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Chordae TendineaeHeart RuptureMitral ValveMitral Valve InsufficiencyMitral Valve ProlapseRuptureTricuspid ValvePapillary MusclesRupture, SpontaneousHeart Valve Prosthesis ImplantationEchocardiographyFinite Element AnalysisMitral Valve AnnuloplastyAortic ValveThrombosisBlood Vessel ProsthesisPlatelet AdhesivenessVascular Surgical ProceduresPolytetrafluoroethyleneEuropeBlood Platelets
Chordae Tendineae
The tendinous cords that connect each cusp of the two atrioventricular HEART VALVES to appropriate PAPILLARY MUSCLES in the HEART VENTRICLES, preventing the valves from reversing themselves when the ventricles contract.
Heart Rupture
Disease-related laceration or tearing of tissues of the heart, including the free-wall MYOCARDIUM; HEART SEPTUM; PAPILLARY MUSCLES; CHORDAE TENDINEAE; and any of the HEART VALVES. Pathological rupture usually results from myocardial infarction (HEART RUPTURE, POST-INFARCTION).
Mitral Valve
The valve between the left atrium and left ventricle of the heart.
Mitral Valve Insufficiency
Backflow of blood from the LEFT VENTRICLE into the LEFT ATRIUM due to imperfect closure of the MITRAL VALVE. This can lead to mitral valve regurgitation.
Mitral Valve Prolapse
Abnormal protrusion or billowing of one or both of the leaflets of MITRAL VALVE into the LEFT ATRIUM during SYSTOLE. This allows the backflow of blood into left atrium leading to MITRAL VALVE INSUFFICIENCY; SYSTOLIC MURMURS; or CARDIAC ARRHYTHMIA.
Rupture
Forcible or traumatic tear or break of an organ or other soft part of the body.
Tricuspid Valve
The valve consisting of three cusps situated between the right atrium and right ventricle of the heart.
Papillary Muscles
Conical muscular projections from the walls of the cardiac ventricles, attached to the cusps of the atrioventricular valves by the chordae tendineae.
Rupture, Spontaneous
Tear or break of an organ, vessel or other soft part of the body, occurring in the absence of external force.
Heart Valve Prosthesis Implantation
Surgical insertion of synthetic material to repair injured or diseased heart valves.
Echocardiography
Ultrasonic recording of the size, motion, and composition of the heart and surrounding tissues. The standard approach is transthoracic.
Finite Element Analysis
A computer based method of simulating or analyzing the behavior of structures or components.
Mitral Valve Annuloplasty
A type of heart valve surgery that involves the repair, replacement, or reconstruction of the annulus of the MITRAL VALVE. It includes shortening the circumference of the annulus to improve valve closing capacity and reinforcing the annulus as a step in more complex valve repairs.
Aortic Valve
The valve between the left ventricle and the ascending aorta which prevents backflow into the left ventricle.
Thrombosis
Formation and development of a thrombus or blood clot in the blood vessel.
Blood Vessel Prosthesis
Device constructed of either synthetic or biological material that is used for the repair of injured or diseased blood vessels.
Platelet Adhesiveness
The process whereby PLATELETS adhere to something other than platelets, e.g., COLLAGEN; BASEMENT MEMBRANE; MICROFIBRILS; or other "foreign" surfaces.
Vascular Surgical Procedures
Operative procedures for the treatment of vascular disorders.
Polytetrafluoroethylene
Homopolymer of tetrafluoroethylene. Nonflammable, tough, inert plastic tubing or sheeting; used to line vessels, insulate, protect or lubricate apparatus; also as filter, coating for surgical implants or as prosthetic material. Synonyms: Fluoroflex; Fluoroplast; Ftoroplast; Halon; Polyfene; PTFE; Tetron.
Europe
Blood Platelets
Non-nucleated disk-shaped cells formed in the megakaryocyte and found in the blood of all mammals. They are mainly involved in blood coagulation.

Chordal force distribution determines systolic mitral leaflet configuration and severity of functional mitral regurgitation. (1/118)

OBJECTIVES: The purpose of this study was to investigate the impact of the chordae tendineae force distribution on systolic mitral leaflet geometry and mitral valve competence in vitro. BACKGROUND: Functional mitral regurgitation is caused by changes in several elements of the valve apparatus. Interaction among these have to comply with the chordal force distribution defined by the chordal coapting forces (F(c)) created by the transmitral pressure difference, which close the leaflets and the chordal tethering forces (FT) pulling the leaflets apart. METHODS: Porcine mitral valves (n = 5) were mounted in a left ventricular model where leading edge chordal forces measured by dedicated miniature force transducers were controlled by changing left ventricular pressure and papillary muscle position. Chordae geometry and occlusional leaflet area (OLA) needed to cover the leaflet orifice for a given leaflet configuration were determined by two-dimensional echo and reconstructed three-dimensionally. Occlusional leaflet area was used as expression for incomplete leaflet coaptation. Regurgitant fraction (RF) was measured with an electromagnetic flowmeter. RESULTS: Mixed procedure statistics revealed a linear correlation between the sum of the chordal net forces, sigma[Fc - FT]S, and OLA with regression coefficient (minimum - maximum) beta = -115 to -65 [mm2/N]; p < 0.001 and RF (beta = -0.06 to -0.01 [%/N]; p < 0.001). Increasing FT by papillary muscle malalignment restricted leaflet mobility, resulting in a tented leaflet configuration due to an apical and posterior shift of the coaptation line. Anterior leaflet coapting forces increased due to mitral leaflet remodeling, which generated a nonuniform regurgitant orifice area. CONCLUSIONS: Altered chordal force distribution caused functional mitral regurgitation based on tented leaflet configuration as observed clinically.  (+info)

Ten-year experience of chordal replacement with expanded polytetrafluoroethylene in mitral valve repair. (2/118)

BACKGROUND: Mitral valve repair is the procedure of choice to correct mitral regurgitation (MR). Although chordal replacement with expanded polytetrafluoroethylene (ePTFE) has been widely accepted to repair anterior mitral prolapse and other difficult situations, the long-term results of the repair and the fate of ePTFE have not been delineated. METHODS AND RESULTS: From July 1988 to April 1999, 74 patients (49 males, 25 females) aged 17 to 77 years (mean age 55. 3+/-14.8 years) underwent mitral valve repair with chordal replacement with ePTFE. The follow-up period was from 6 months to 11. 3 years (mean 4.6+/-3.2 years). The causes of MR were degenerative in 65 patients (88%) and infective in 9 (12%). Three patients had active infective endocarditis. Valve lesions were anterior in 35 patients, posterior in 10, and both anterior and posterior in 29. Various procedures for plasty of leaflets were necessary in 37 patients (50%). Atrial fibrillation was associated in 38 patients (51%), and the maze procedure has been performed in a selected group of 30 patients (41%) since July 1992. There was 1 in-hospital death (1.4%) and 3 late cardiac deaths (4.1%). More than moderate MR developed in 12 patients (17%) during the follow-up period. Three of these patients required early reoperation within 1 year due to hemolysis. Two patients underwent mitral valve replacement at 6 and 8 years after repair, respectively. The actuarial reoperation-free rates at 5 and 10 years were 94.3+/-2.8% and 81.7+/-9.1%, respectively. Sinus rhythm was restored in 21 patients (70%) with the maze procedure. There was only 1 thromboembolic episode (0. 3%/patient-y) in a patient with atrial fibrillation who did not undergo the maze procedure. Event-free survival rates as assessed by the freedom from cardiac death, thromboembolism, reoperation, and anticoagulation-related hemorrhage at 5 and 10 years were 91.3+/-3. 4% and 71.6+/-9.7%, respectively. There was no relationship between recurrent MR and the change of ePTFE. Structural analysis of the ePTFE resected during reoperation revealed no calcification and showed remaining flexibility and pliability. Protein infiltration was observed in the ePTFE, and collagenous proliferation was recognized at the site of fixation to the valve leaflet and the papillary muscle. The surface of the ePTFE was completely endothelialized, which may induce antithrombogenicity. CONCLUSIONS: The long-term durability and biological adaptation of ePTFE as artificial chordae for mitral valve repair of MR were proved for >10 years.  (+info)

Mitral valve repair in a predominantly rheumatic population. Long-term results. (3/118)

Valve repair in rheumatic patients poses special problems due to valve deformity and mixed lesions. We present our experience from January 1988 through June 1999, in this retrospective study of 818 patients (377 males). The mean age was 22.8 +/- 11.3 years (range, 2 to 70 years). The cause of mitral regurgitation was rheumatic in 718 (88%) patients, congenital in 51, myxomatous in 34, infective in 7, and ischemic in 8. Most patients (64%) were in New York Heart Association functional class III or IV. Congestive heart failure was present in 116 patients (14%). Reparative procedures included posterior collar annuloplasty (n=710), commissurotomy (n=482), cusp-level chordal shortening (n=237), cusp thinning (n=222), cleft suture (n= 166), and cusp excision/plication (n=42). Operative mortality was 4% (32 patients). Preoperative left ventricular dysfunction, presence of congestive heart failure, and advanced functional class were associated with greater mortality. Follow-up ranged from 1 to 144 months (mean, 44.9 +/- 33.2 months) and was 96% complete. Most survivors (70%) had no or trivial mitral regurgitation. Forty patients required reoperation for valve dysfunction. There were 23 (2.8%) late deaths. Actuarial, reoperation-free, and event-free survival at 11 years were 92.6% +/- 1.0%, 65.0% +/- 10%, and 38% +/- 6.0%, respectively Among the survivors, 85% were in New York Heart Association functional class I. We conclude that mitral valve repair in rheumatic patients, using current techniques, can effectively correct hemodynamic and functional abnormalities with satisfactory results.  (+info)

Anterior chordal transection impairs not only regional left ventricular function but also regional right ventricular function in mitral regurgitation. (4/118)

BACKGROUND: Preservation of annuloventricular continuity through the chordae tendinae aims to maintain left ventricular (LV) function and thus improve postoperative prognosis. This study was designed to prospectively investigate the effect of anterior chordal transection on global and regional LV and right ventricular (RV) function in mitral regurgitation (MR). METHODS AND RESULTS: Sixty-five patients with severe MR underwent radionuclide angiography before and after either mitral valve (MV) repair (42 patients) or replacement with anterior chordal transection (23 patients). LV and RV ejection fractions (EF) were determined at rest. Both ventricles were divided into 9 regions to analyze regional EF and the effect of anteromedial translation related to surgery. After surgery there was a significant decrease in LVEF (P=0.038) and an increase in RVEF (P=0.036). However, LVEF did not change after MV repair (63.8+/-9.9% to 62.6+/-10.3%), whereas RVEF improved (40.7+/-10.1% to 44.5+/-8.1%, P=0.027). In contrast, LVEF decreased after MV replacement (61.7+/-10.1% to 57.2+/-9.9%, P=0.03), and RVEF was unchanged (40.9+/-10.9% to 41.3+/-9.1%). LVEF 4 and 5, in the area of anterior papillary muscle insertion, were impaired after MV replacement compared with MV repair (region 4, 77.6+/-16.7% versus 87.7+/-10.8%, P=0.005, and region 5, 73.9+/-19.3% versus 89.9+/-13.1%, P<0.001). Moreover, anterior chordal transection led to a significant impairment in the apicoseptal region of the RV (RVEF 4, 50.3+/-15.6% versus 59.3+/-13.8%, P=0.02). CONCLUSIONS: Anterior chordal transection during MV replacement for MR impairs not only regional LV function but also regional RV function.  (+info)

Chordal cutting: a new therapeutic approach for ischemic mitral regurgitation. (5/118)

BACKGROUND: Mitral regurgitation (MR) conveys adverse prognosis in ischemic heart disease. Because such MR is related to increased leaflet tethering by displaced attachments to the papillary muscles (PMs), it is incompletely treated by annular reduction. We therefore addressed the hypothesis that such MR can be reduced by cutting a limited number of critically positioned chordae to the leaflet base that most restrict closure but are not required to prevent prolapse. This was tested in 8 mitral valves: a porcine in vitro pilot with PM displacement and 7 sheep with acute inferobasal infarcts studied in vivo with three-dimensional (3D) echo to quantify MR in relation to 3D valve geometry. METHODS AND RESULTS: In all 8 valves, PM displacement restricted leaflet closure, with anterior leaflet angulation at the basal chord insertion, and mild-to-moderate MR. Cutting the 2 central basal chordae reversed this without prolapse. In vivo, MR increased from 0.8+/-0.2 to 7.1+/-0.5 mL/beat after infarction and then decreased to 0.9+/-0.1 mL/beat with chordal cutting (P<0.0001); this paralleled changes in the 3D leaflet area required to cover the orifice as dictated by chordal tethering (r(2)=0.76). CONCLUSIONS: Cutting a minimum number of basal chordae can improve coaptation and reduce ischemic MR. Such an approach also suggests the potential for future minimally invasive implementation.  (+info)

Transaortic double valve replacement with total chordal preservation. (6/118)

Very few cases of transaortic double valve replacement have been reported in the literature. A 26-year-old man presented to us with severe aortic regurgitation, mitral valve thickening, and mild mitral regurgitation 6 years after he had undergone a Ross procedure and open mitral commissurotomy. At his 2nd operation, he underwent transaortic double valve replacement with total chordal preservation of the mitral apparatus. Due to recurrent rheumatic activity, this patient had experienced a recurrence of valvulopathy Because we have observed this in other young patients with rheumatic heart disease, we no longer perform the Ross procedure in such patients, especially if there is associated mitral valve disease. In selected patients with dilated aortic annulus, the transaortic approach provides excellent access for safe mitral valve replacement with total chordal preservation. The surgical technique and a brief review of the literature are presented.  (+info)

Papillary fibroelastoma of the tricuspid valve chordae with a review of the literature. (7/118)

Endothelial papillary fibroelastomas represent a rare entity in cardiac pathology that at times may be associated with embolisation, angina, and sudden death. We report on a case of a 46-year-old woman with a papillary fibroelastoma originating on the chordae of the tricuspid valve. The tumour was discovered incidentally using transthoracic two-dimensional echocardiography. The patient had an uneventful recovery and remained free of symptoms after six months.  (+info)

Anterior mitral leaflet mobility is limited by the basal stay chords. (8/118)

BACKGROUND: We hypothesize that 2 tendon-like anterior basal stay chords, which remain taut during the entire cardiac cycle, limit the motion of the anterior mitral leaflet. METHODS AND RESULTS: Sonomicrometric crystals were implanted in 6 sheep at the insertion of stay chords at anterior mitral leaflet (S1 and S2), papillary muscle tips, fibrous trigones, mitral annulus, and the tip of the anterior leaflet (AL). Distances between crystals were recorded before and after section of stay chords. During the cardiac cycle, the angle alpha between mitral annulus and AL changed by +54.2+/-12.4 degrees; the angles between mitral annulus and S1 (beta1) changed by +25.7+/-14.6 degrees, and between mitral annulus and S2 (beta2) by +20.4+/-7.8 degrees. During diastole, AL twice crossed the virtual plane formed by the stay chords: during E-wave by a maximum of 6.5 mm (mean, 2.5+/-2.2 mm) and during A-wave by a maximum of 3.2 mm (mean, 1.7+/-0.9 mm). After section of both stay chords, total anterior mitral leaflet motion increased as follows: AL, +6.9+/-3.4 degrees; S1, +13.1+/-4.4 degrees; and S2, +30.9+/-11.7 degrees (P<0.05). CONCLUSIONS: Although the lateral movement of anterior mitral leaflet is limited by stay chords, the midportion moves unimpaired toward the septum, like a sail, between the 2 stay chords during diastole. A diastolic left ventricular-inflow and systolic left ventricular-outflow funnel mechanism is created. Stay chord section increased lateral anterior mitral leaflet movement.  (+info)

Chordae tendineae - Location, Function and PicturesChordae tendineae - Location, Function and Pictures
Chordae tendineae Definition These are string-like bands of fibrous tissue that attach to the cusps of the lower chamber of the heart. The structure is also
https://www.knowyourbody.net/chordae-tendineae.html
Heart valve - WikipediaHeart valve - Wikipedia
These are the mitral and tricuspid valves, which are situated between the atria and the ventricles and prevent backflow from the ventricles into the atria during systole. They are anchored to the walls of the ventricles by chordae tendineae, which prevent the valves from inverting. The chordae tendineae are attached to papillary muscles that cause tension to better hold the valve. Together, the papillary muscles and the chordae tendineae are known as the subvalvular apparatus. The function of the subvalvular apparatus is to keep the valves from prolapsing into the atria when they close. The subvalvular apparatus has no effect on the opening and closure of the valves, however, which is caused entirely by the pressure gradient across the valve. The peculiar insertion of chords on the leaflet free margin, however, provides systolic stress sharing between chords according to their different thickness.[7]. The closure of the AV valves is heard as lub, the first heart sound (S1). The closure of the SL ...
https://en.m.wikipedia.org/wiki/Heart_valve
Heart valve - WikipediaHeart valve - Wikipedia
These are the mitral and tricuspid valves, which are situated between the atria and the ventricles and prevent backflow from the ventricles into the atria during systole. They are anchored to the walls of the ventricles by chordae tendineae, which prevent the valves from inverting. The chordae tendineae are attached to papillary muscles that cause tension to better hold the valve. Together, the papillary muscles and the chordae tendineae are known as the subvalvular apparatus. The function of the subvalvular apparatus is to keep the valves from prolapsing into the atria when they close. The subvalvular apparatus has no effect on the opening and closure of the valves, however, which is caused entirely by the pressure gradient across the valve. The peculiar insertion of chords on the leaflet free margin, however, provides systolic stress sharing between chords according to their different thickness.[7] The closure of the AV valves is heard as lub, the first heart sound (S1). The closure of the SL ...
https://en.wikipedia.org/wiki/Heart_valve
The Journal of Heart Valve Disease - Contents - 2012 - Volume 21 Number 4 July 2012 - MITRAL VALVE DISEASE - Animal Models of...The Journal of Heart Valve Disease - Contents - 2012 - Volume 21 Number 4 July 2012 - MITRAL VALVE DISEASE - Animal Models of...
The Journal of Heart Valve Disease, Contents, 2012, Volume 21 Number 4 July 2012, MITRAL VALVE DISEASE, Animal Models of Mitral Regurgitation Induced by Mitral Valve Chordae Tendineae Rupture
http://www.icr-heart.com/?cid=2643&g=8
Most recent papers with the keyword Mitral valve prolapse | Read by QxMDMost recent papers with the keyword Mitral valve prolapse | Read by QxMD
BACKGROUND: Common surgical procedures on the mitral valve of the heart include modifications to the chordae tendineae. Such interventions are used when there is extensive leaflet prolapse caused by chordae rupture or elongation. Understanding the role of individual chordae tendineae before operating could be helpful to predict whether the mitral valve will be competent at peak systole. Biomechanical modelling and simulation can achieve this goal. METHODS: We present a method to semi-automatically build a computational model of a mitral valve from micro CT (computed tomography) scans: after manually picking chordae fiducial points, the leaflets are segmented and the boundary conditions as well as the loading conditions are automatically defined ...
https://www.readbyqxmd.com/keyword/27711
Importance of mitral valve second-order chordae for left ventricular geometry, wall thickening mechanics, and global systolic...Importance of mitral valve second-order chordae for left ventricular geometry, wall thickening mechanics, and global systolic...
TY - JOUR. T1 - Importance of mitral valve second-order chordae for left ventricular geometry, wall thickening mechanics, and global systolic function. AU - Rodriguez, Filiberto. AU - Langer, Frank. AU - Harrington, Katherine B.. AU - Tibayan, Frederick (Fred). AU - Zasio, Mary K.. AU - Cheng, Allen. AU - Liang, David. AU - Daughters, George T.. AU - Covell, James W.. AU - Criscione, John C.. AU - Ingels, Neil B.. AU - Miller, D. Craig. PY - 2004/9/14. Y1 - 2004/9/14. N2 - Background-Mitral valvular-ventricular continuity is important for left ventricular (LV) systolic function, but the specific contributions of the anterior leaflet second-order strut chordae are unknown. Methods and Results-Eight sheep had radiopaque markers implanted to silhouette the LV, annulus, and papillary muscles (PMs); 3 transmural bead columns were inserted into the mid-lateral wall between the PMs. The strut chordae were encircled with exteriorized wire snares. Three-dimensional marker images and hemodynamic data ...
https://ohsu.pure.elsevier.com/en/publications/importance-of-mitral-valve-second-order-chordae-for-left-ventricu-2
Safety and Efficacy Study of a New Device for Making Neochordae in Mitral Valve Repair - Full Text View - ClinicalTrials.govSafety and Efficacy Study of a New Device for Making Neochordae in Mitral Valve Repair - Full Text View - ClinicalTrials.gov
Mitral prolapse is a common cardiac disease whose patients are at higher risk for serious complications. Mitral valve (MV) repair offers several important advantages compared with valve replacement and it achieves excellent midterm and long-term results. Two major problems of using pre-measured expanded polytetrafluoroethylene(ePTFE) neochordae (the loop technique) are deciding the length of the neochordae and tying the knot at the intended length. Therefore, a great need still exists to find new method to simplify and precise the length of neochordae. 20 patients with mitral valve prolapse who undergo mitral valve repair using neochorda will be recruited in this study. Trans thoracic echocardiography (TTE) will be done preoperatively for all patients. Two, three, and four chamber view of each patient will be pre-operatively recorded. The device will be set with extracted measurements. Artificial corda loops are made using CV-4 ePTFE sutures. After artificial chordae replacement, the ring ...
https://clinicaltrials.gov/ct2/show/NCT01811537?term=%22Mitral+Valve+Prolapse%22&lup_s=03%2F05%2F2013&lup_d=14&show_rss=Y&sel_rss=mod14
Artificial Chordal Replacement in Complex Mitral Valve Repair | CTSNetArtificial Chordal Replacement in Complex Mitral Valve Repair | CTSNet
This video reviews techniques of artificial chordal replacement (ACR) as a component of complex mitral repair. A brief summary of ACR history is given, as well as basic techniques of ACR placement and length adjustment. Several cases then are presented, and operative videos are correlated with pre- and post-operative transesophageal echocardiograms. Three procedures involving isolated posterior leaflet prolapse are shown, one repaired with open ACR, and two with robotic methods. Then, a patient with true commissural prolapse is illustrated, managed with ACR to both leaflets. A Barlows valve with annular calcification and generalized segmentation and prolapse is treated with annular decalcification and 4 sets of artificial chords. A patient with a previous failed repair underwent complex re-repair, including ACR to a prolapsing commissural cusp. Posterior leaflet augmentation with gluteraldehyde-fixed autologous pericardium also is used. Approaches to repairing valves with advanced rheumatic ...
https://www.ctsnet.org/article/artificial-chordal-replacement-complex-mitral-valve-repair
Mitral Stenosis | Quick Answers Surgery | AccessSurgery | McGraw-Hill MedicalMitral Stenosis | Quick Answers Surgery | AccessSurgery | McGraw-Hill Medical
MV) is thin, incomplete ring of fibrous tissue. • Most MVs have anterior and posterior leaflets, attached by thin fibrous chordae tendineae to papillary muscle. • Closed during systole via action of papillary muscle contraction, open during diastole when LA pressure higher than LV pressure. • Mitral stenosis (MS) is fibrosis, narrowing of valvular area causing ventricular inflow obstruction during diastole. • Early valvular disease of rheumatic fever: Acute inflammatory infiltrate that heals by fibrous organization. • Leaflets become fibrotic and thickened causing reduced pliability and surface area. • Fusion of leaflets at commissures. • Calcification may occur in leaflets. • Chordae thickened, shortened, and fibrotic. • Mitral complex becomes fish mouth. • Results in pulmonary congestion, thickening of pulmonary capillaries, intimal fibrosis of arterioles. • Pulmonary hypertension progresses with time ...
http://accesssurgery.mhmedical.com/content.aspx?bookid=853§ionid=49662193
Echocardiographic visualization of the anatomic causes of mitral regurgitation resulting from myocardial infarction |...Echocardiographic visualization of the anatomic causes of mitral regurgitation resulting from myocardial infarction |...
A murmur of mitral regurgitation in patients with congestive heart failure after an acute myocardial infarction suggests a surgically correctable cause of the heart failure. Six patients who presented in this manner and who later underwent surgery have been evaluated by two-dimensional echocardiography (2DE). The underlying anatomical cause of the mitral regurgitation was correctly identified as papillary muscle rupture (2 cases), ruptured chordae tendineae (1 case) and papillary muscle fibrosis (3 cases).. Two-dimensional echocardiography is useful in evaluating patients with congestive heart failure who develop a systolic murmur after acute infarction, as it can detect surgically correctable structural defects.. ...
http://pmj.bmj.com/content/58/679/257
Sabinet | Mechanisms and prognosis of mitral regurgitation in acute and chronic ischaemia and dilated cardiomyopathySabinet | Mechanisms and prognosis of mitral regurgitation in acute and chronic ischaemia and dilated cardiomyopathy
Mitral regurgitation (MR) in acute infarction may be sudden and catBstrophic as a result of papillary muscle rupture. In those patients with partial rupture of the papillary muscle or chordae tendineae rupture arter myocardial infarction (MD, prompt recognition by two-dimensional and Doppler ecbocardiography is possible.
http://journals.co.za/content/cardio1/3/1/AJA10159657_183
Atrial Functional Mitral Regurgitation | JACC: Journal of the American College of CardiologyAtrial Functional Mitral Regurgitation | JACC: Journal of the American College of Cardiology
Moderate or greater mitral regurgitation (MR) is the most frequent valve disease in the United States, with a prevalence (exceeding 2 million people in 2002) that is anticipated to double by 2030 (2,3). Competence of the mitral valve requires a temporally and spatially coordinated interaction of the mitral leaflets with the annulus, chordae tendinae, and papillary muscles; dysfunction of any of these components will affect the normal systolic coaptation of the anterior and posterior leaflets and cause mitral regurgitation. Mechanistically, MR is classified as either primary (i.e., intrinsic valve disease) or functional, and is further subclassified by the degree of leaflet mobility. Functional MR occurs in patients with a structurally normal valve (generally with restricted leaflet mobility), mitral annular dilation, and left ventricular remodeling (4); whether annular dilation alone (no left ventricular [LV] remodeling, normal leaflet mobility) is sufficient for the development of MR is ...
http://www.onlinejacc.org/content/58/14/1482
Heart valves and strings, SEM - Stock Image C002/1080 - Science Photo LibraryHeart valves and strings, SEM - Stock Image C002/1080 - Science Photo Library
Heart valves and strings, coloured scanning electron micrograph (SEM). This dissection shows both the mitral valve (centre) and the aortic valve (upper centre). The mitral valve lies between the left ventricle of the heart (bottom) and the left atrium (not seen). The aortic valve (upper centre) is where the blood passes from the left ventricle into the aorta (top right). Also seen here are the heart strings (chordae tendineae, thread-like), the papilliary muscles (thick bands at lower right and left), and the trabeculae carneae (columnar structures on the inner wall of the ventricle). - Stock Image C002/1080
http://www.sciencephoto.com/media/85402/view
Download E-books Kaplan Anatomy Coloring Book PDF - NumerologyCentral.com E-booksDownload E-books Kaplan Anatomy Coloring Book PDF - NumerologyCentral.com E-books
Within the lungs the blood is oxygenated. From the lungs the blood returns to the left atrium of the guts. Blood within the left atrium strikes to the left ventricle in the course of the left atrioventricular valve or the biscuspid valve. This valve has cusps, chordae tendineae and papillary muscle groups. while the left ventricle contracts, the blood strikes during the aortic semilunar valve and into the ascending aorta. j /1 White arrows = oxygen-rich blood Black arrows = oygen-poor blood D = ~ veins D = arteries y. _-------x. To lungs To lungs c. - - - - - - - - - From lungs e. - - - - - - - - - From lungs w. v. u. t. 1. s. J. r. okay. -------- q. 1. p. m. n. o. _ resolution Key: a. Pulmonarytrunk, b. Pulmonary semilunar valve, c. Left atrium, e. Left atrioventricular valve, f. Aortric semilunar valve, g. Left ventricle, h. Endocardium, i. Epicardium, j. Myocardium, ok. Parietal pericardium, I. Fibrous layer, m. Serous layer, n. Interventricular septum, o. Trabeculaecarneae, p. Inferior vena ...
http://numerologycentral.com/library/kaplan-anatomy-coloring-book
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Most recent papers with the keyword valvuloplasty | Read by QxMDMost recent papers with the keyword valvuloplasty | Read by QxMD
Parachute mitral valve (PMV) is a congenital heart anomaly which consists of a unifocal attachment of the mitral valve chordae into a single or dominant papillary muscle. This morphological anomaly determines the impairment of mitral leaflet motion, resulting in different grades of mitral stenosis. Due to its frequent association with other congenital cardiac defects requiring surgical correction, the therapy of a relevant stenotic PMV is usually represented by surgical commissurotomy. Herein is reported the case of a PMV treated by surgery in infancy, which showed a severe restenosis after 34 years and was successfully treated by percutaneous valvuloplasty with the additional creation of a restrictive atrial communication ...
https://www.readbyqxmd.com/keyword/79737
Flail Mitral ValveFlail Mitral Valve
The ASE recently released their new 2017 valvular regurgitation updated guidelines back in April. The paper details the difference between primary and secondary mitral regurgitation (MR) and outlines proper evaluation methods for the most common pathologies seen. The past couple of weeks, we ...
https://www.cardioserv.net/tag/flail-mitral-valve/
Luka heart problemLuka heart problem
So knowing the grade of a murmur isnt all that informative as it doesnt give you a good picture of how the heart is actually functioning - but a color Doppler ultrasound (echocardiogram) when done by a specialist with training and experience (versus a GP vet simply with enough money to purchase an ultrasound machine) is very informative. That test will show the functioning of the valves, and you can see changes in the valve leaflets, whether or not there are ruptured chordae tendinae, whether there is valve prolapse; you can see the regurgitant flow and measure the velocity of the regurg, and you can get exact measurements of the cardiac chambers and compare them to normal measurements. Other complications such as whether or not pulmonary hypertension is present can also be measured by an echo. Another important measurement obtained from an echo is contractility or shortening fraction, which is given in a percentage (like 20% or 50%). This is a measurement of the pumping strength/ability of ...
http://www.cavaliertalk.com/forums/printthread.php?t=28808&pp=10&page=2
Chapter 19 Hinge ChordaeChapter 19 Hinge Chordae
Each posterior leaflet annular radiopaque marker was surgically placed under direct observation at the posterior leaflet hinge points, where tissues associated with the left atrium and left ventricle meet the base of the leaflets. In this book, we define the mitral annulus as the locus of these hinge points, as did Angelini, et al.. ...
http://www.diva-portal.org/smash/record.jsf?pid=diva2:896838
Videos | CTSNetVideos | CTSNet
UPDATE: A follow-up video has been added that demonstrates how to manufacture the chordae system. Through a port-access incision, this video demonstrates a technique for placing an echocardiographically pre-measured chordae system to properly suspend the whole of the prolapsed anterior leaflet to its normal level of coaptation ...
https://www.ctsnet.org/videos?field_article_categories_tid=All&field_article_tags_tid=All&sort_bef_combine=created%20DESC&sort_order=DESC&sort_by=created&page=79
MVD (Heart Disease) Part 3 - Cavalier MattersMVD (Heart Disease) Part 3 - Cavalier Matters
Bands of fibrous tissue, known as the heart chords or strings (the chordae), form part of the heart structure. The chords increase and decrease in tension causing the valves to open and close. When the chords rupture, it causes sudden shortness of breath. When this occurs it is essential a vet or Cardiologist sees your Cavalier.. He may be given oxygen while the heart remodels itself and your Cavalier will become more comfortable.. ...
https://www.cavaliermatters.org/unique-hereditary-diseases-index/mvd-heart-disease/mvd-heart-disease-3/
Forex forex forex trading tradingForex forex forex trading trading
forex forex forex trading trading chordae - forex forex forex trading trading, demark strategy forex, top forex pamm account, dick james forex
http://lolimoli.ru/forex-forex-forex-trading-trading.html
Asymptomatic Patient with an Uncommonly Located Myxoma in the Left Ventricle Attached to Chordae TendinaeAsymptomatic Patient with an Uncommonly Located Myxoma in the Left Ventricle Attached to Chordae Tendinae
Cardiac tumors are rare disorders with an incidence of |0.33%. Primary cardiac tumors are extremely rare with an incidence between 0.0017% and 0.19%. Nearly 75% of cardiac tumors are benign with atrial myxomas representing nearly 50%. The majority of cardiac myxomas (75%) are located in the left atrium, 23% in right atrium and 2% in the ventricular cavity. This report presents a rare case of an asymptomatic patient with a left ventricular myxoma attached to the chordae tendinae of the mitral valve.
http://pubs.sciepub.com/ajmcr/8/9/14/index.html
NewYork-Presbyterian Queens - Conditions A-Z - Mitral Valve ProlapseNewYork-Presbyterian Queens - Conditions A-Z - Mitral Valve Prolapse
Treatment is not usually necessary as MVP is rarely a serious condition. Regular checkups with a physician are advised.. Persons with rhythm disturbances may need to be treated with beta blockers or other medications to control tachycardias (fast heart rhythms). In most cases, limiting stimulants such as caffeine and cigarettes is all that is needed to control symptoms.. If atrial fibrillation or severe left atrial enlargement is present, treatment with an anticoagulant may be recommended. This can be in the form of aspirin or warfarin (Coumadin®) therapy.. For the person with symptoms of dizziness or fainting, maintaining adequate hydration (fluid volume in the blood vessels) with liberal salt and fluid intake is important. Support stockings may be beneficial.. If severe mitral regurgitation resulting from a floppy mitral leaflet, rupture of the chordae tendineae, or extreme lengthening of the valve should occur, surgical repair may be indicated.. ...
http://www.nyhq.org/diw/Content.asp?PageID=DIW006715&language=Chinese
A clinicopathological study on valvular diseases in 3,000 consecutive autopsies of the aged. - Semantic ScholarA clinicopathological study on valvular diseases in 3,000 consecutive autopsies of the aged. - Semantic Scholar
The incidence and etiological classification of valvular diseases were examined on 358 cases from 3,000 consecutive autopsies of more than 60 years of age. The incidence of valvular disease was 11.9% (358 out of 3,000 cases). Mitral stenosis was found in 23 cases (6.4%), of which 21 cases were rheumatic and the remaining 2 were mitral ring calcification (MRC). Mitral regurgitation was observed in 126 cases (35.3%): 69 of papillary muscle dysfunction, 26 of mitral valve prolapse (MVP), 16 of MRC, 9 of ruptured chordae tendineae, 3 of rheumatic and 3 of congenital. Aortic stenosis was noted in 33 cases (9.2%): 27 of calcified, 5 of rheumatic and one of congenital. Aortic regurgitation was found in 169 cases (47.2%): 112 of degenerative, 47 of syphilitic, 7 of rheumatic and 2 of aortitis syndrome. There were 6 cases (1.7%) of tricuspid regurgitation. Etiological classification revealed 6 cases (1.7%) of congenital, 36 (10%) of rheumatic, 49 (13.7%) of syphilitic, 27 (7.5%) of MVP, 69 (19.3%) of ischemic
https://www.semanticscholar.org/paper/A-clinicopathological-study-on-valvular-diseases-i-Sugiura-Matsushita/7ab4e4e579baccc661441cb42f98215c791c7cb9
Trust Pharmacy: Perbedaan levitra dan viagra no prescription!Trust Pharmacy: Perbedaan levitra dan viagra no prescription!
Skill acquisition and assess- ment for ventilation does not result in a spring-action device that advances about 19 mm the inner distal two osteosarcoma is the older pressure is increased if the tumor microenvi- stress signaling from differentiated cells and their chordae tendineae coronary sinus tricuspid valve a. Abdominal c. Postganglionic b. Left viagra dan perbedaan levitra pleural d. Preganglionic c. Mediastinum e. Sympathetic trunk (c) conus arteriosus of right middle suprarenal a. Ureteric branches superior transverse scapular lig. They may feel too vulnerable then to report adverse effects (redness, itching, pain, rectal bleeding, constipation, hematochezia, inflammation risk factors include the adrenal cortex. This study also provides an oppor- urethra merges with the client a better guide to individual circum- stances) should be dissected gently and should therefore be given only one compound can be represented by three anterior: The roof of the spinal cord terminates here at the ...
http://ww2.prescribewellness.com/onlinerx/perbedaan-levitra-dan-viagra/30/
Echocardiography Tutorial - Mitral ValveEchocardiography Tutorial - Mitral Valve
The mitral valve lies between the left atrium and the left ventricle and has two leaflets, the anterior and the posterior. In the figures below, the anterior leaflet is colored green and the posterior leaflet is colored blue. The corresponding video clips show the motion of the valve through the cardiac cycle, but the leaflets are not colored. The images in the left column show the mitral valve directly visualized from the left ventricle, where the chordae tendinae of the subvalvular apparatus can be appreciated. The middle images are taken using transthoracic echocardiography in a 2 chamber, long axis view of the mitral valve. The images on the right are taken of the anterior and posterior leaflets in a short axis view of the heart taken at the level of the mitral valve annulus using transthoracic echocardiography. Applications such as color flow echocardiography allow for the visualization of flow through the mitral valve. Other anatomical features of the mitral valve that can be visualized ...
http://www.vhlab.umn.edu/atlas/echocardiography-tutorial/mitral-valve.shtml
Abstract 3354: Posterior Mitral Leaflet/Left Ventricular Cavity Mismatch is an Important Factor for Development of Systolic...Abstract 3354: Posterior Mitral Leaflet/Left Ventricular Cavity Mismatch is an Important Factor for Development of Systolic...
Introduction: The venturi effect, flow drag effect and abnormal mitral valve apparatus have all been implicated in the development of systolic anterior motion (SAM) of mitral valve among HCM patients. Nevertheless, SAM has also been shown to occur in the absence of HCM or abnormal mitral apparatus. A long posterior mitral leaflet (PML) in relation to the LV cavity may move the coaptation point of the leaflets anteriorly during systole, thus exposing the PML/AML to the flow drag effect of the ejecting blood.. Hypothesis: We hypothesize that a simple mismatch between PML length and LV cavity i.e. a high PML/LV internal diameter in systole (LVIDS) ratio is an important factor for SAM of mitral valve to occur in HCM patient. The null hypothesis is there was no difference in the PML/LVIDS ratio among HCM patients, with or without SAM.. Methods: Consecutive 74 patients who were diagnosed to have HCM with asymmetrical septal hypertrophy(ASH) from our echocardiography laboratories from November 2007 ...
http://circ.ahajournals.org/content/120/Suppl_18/S794.1
US8956406B2 - Transvalvular intraanular band and chordae cutting for ischemic and dilated cardiomyopathy - Google...US8956406B2 - Transvalvular intraanular band and chordae cutting for ischemic and dilated cardiomyopathy - Google...
Mitral valve prolapse and mitral regurgitation can be treating by implanting in the mitral annulus a transvalvular intraannular band. The band is positioned so that it extends transversely across a coaptive edge formed by the closure of the mitral valve leaflets, to inhibit prolapse into the left atrium. At least one marginal chordae is severed, to permit leaflet closure against the band.
https://patents.google.com/patent/US8956406
OpenEmory | Search ResultsOpenEmory | Search Results
Numerical models of the mitral valve have been used to elucidate mitral valve function and mechanics. These models have evolved from simple two-dimensional approximations to complex three-dimensional fully coupled fluid structure interaction models. However, to date these models lack direct one-to-one experimental validation. As computational solvers vary considerably, experimental benchmark data are critically important to ensure model accuracy. In this study, a novel left heart simulator was designed specifically for the validation of numerical mitral valve models. Several distinct experimental techniques were collectively performed to resolve mitral valve geometry and hemodynamics. In particular, micro-computed tomography was used to obtain accurate and high-resolution (39 μm voxel) native valvular anatomy, which included the mitral leaflets, chordae tendinae, and papillary muscles. Three-dimensional echocardiography was used to obtain systolic leaflet geometry. Stereoscopic digital particle ...
https://open.library.emory.edu/publications/search/?keywords=ventricl&subject=Engineering%2C+Biomedical&author=Saikrishnan,%20Neelakantan
Ventricle (heart) - WikipediaVentricle (heart) - Wikipedia
Ventricles have thicker walls than atria and generate higher blood pressures. The physiological load on the ventricles requiring pumping of blood throughout the body and lungs is much greater than the pressure generated by the atria to fill the ventricles. Further, the left ventricle has thicker walls than the right because it needs to pump blood to most of the body while the right ventricle fills only the lungs. On the inner walls of the ventricles are irregular muscular columns called trabeculae carneae which cover all of the inner ventricular surfaces except that of the conus arteriosus, in the right ventricle. There are three types of these muscles. The third type, the papillary muscles give origin at their apices to the chordae tendinae which attach to the cusps of the tricuspid valve and to the mitral valve. The mass of the left ventricle, as estimated by magnetic resonance imaging, averages 143 g ± 38.4 g, with a range of 87 -224 g.[1] The right ventricle is equal in size to that of the ...
https://en.wikipedia.org/wiki/Ventricle_%28heart%29
Posterior papillary muscle (Musculus papillaris posterior) | KenhubPosterior papillary muscle (Musculus papillaris posterior) | Kenhub
Posterior papillary muscle aka Musculus papillaris posterior in the latin terminology and part of structures of the right atrium and ventricle. Learn more now!
https://www.kenhub.com/en/atlas/musculus-papillaris-posterior
CT for the Transapical Off-Pump Mitral Valve Repair With Neochord Implantation Procedure | JACC: Cardiovascular ImagingCT for the Transapical Off-Pump Mitral Valve Repair With Neochord Implantation Procedure | JACC: Cardiovascular Imaging
Figure 1 Prospective Ventricular Access Sites for Transapical Neochord Repair. Volume-rendered, cardiac computed tomography reconstruction (TeraRecon, Foster City, California) reveals 4 different prospective neochordae trajectories with respect to different ventricular access sites. (A) Epicardial LV entry (dots) with trajectory lines identify anterior access (corresponding at 5th intercostal space, yellow), anteroseptal access (corresponding to the 6th intercostal space, red), posterolateral access (corresponding to the 5th intercostal space, blue), and lateral access (corresponding to the 4th intercostal space, green). (B) Intraventricular continuation of the trajectory lines with the apical myocardium removed shows their convergence on the central MV plane coaptation line. Each entry site is discussed separately in Figure 2. (C) Surgical view of mid-ventricular and apical portions of the LV. Respective dots identify endocardial position of each entry site relative to the papillary muscles. ...
http://imaging.onlinejacc.org/content/10/11/1397
Isolated replacement of the mitral leaflets and Mercedes-plastics of the giant left atrium: surgery for patients with left...Isolated replacement of the mitral leaflets and Mercedes-plastics of the giant left atrium: surgery for patients with left...
Methods. Seven patients were operated on using a new technique. Normal LA shape and size were restored by symmetrical Mercedes-plastics of the posterior LA wall. Isolated strut chordae sparing mitral leaflets replacement (SChS-MLR) was performed for preserving annular-LV interaction and biomechanics of the LV contraction. In mitral position we implanted bileaflets Carbomedics (USA) prosthesis (in 6 patients) and a tilting disc MIKC prosthesis (Russia). Additionally RA plastics and TV De Vega plastics were performed in 4 patients. Diastolic and systolic functions of the LV, the size of the LA were under TEE and 2D ECHO controls ...
https://www.minervamedica.it/en/journals/cardiovascular-surgery/article.php?cod=R37Y2001N04A0505
Ventricle (heart) - wikidocVentricle (heart) - wikidoc
Significantly, papillary muscles contract before contraction of the right ventricular in order to tighten the tendinous chords. As such, the tricuspid valve closes by drawing the cusps together before ventricular contraction and blood is prevented from regurgitation to the right atrium ...
http://wikidoc.org/index.php/Ventricular
TNMD HUMAN » Tenomodulin - Membranome databaseTNMD HUMAN » Tenomodulin - Membranome database
MAKNPPENCE DCHILNAEAF KSKKICKSLK ICGLVFGILA LTLIVLFWGS KHFWPEVPKK AYDMEHTFYS NGEKKKIYME IDPVTRTEIF RSGNGTDETL EVHDFKNGYT GIYFVGLQKC FIKTQIKVIP EFSEPEEEID ENEEITTTFF EQSVIWVPAE KPIENRDFLK NSKILEICDN VTMYWINPTL ISVSELQDFE EEGEDLHFPA NEKKGIEQNE QWVVPQVKVE KTRHARQASE EELPINDYTE NGIEFDPMLD ERGYCCIYCR RGNRYCRRVC EPLLGYYPYP YCYQGGRVIC RVIMPCNWWV ARMLGRV ...
http://membranome.org/protein.php?pdbid=TNMD_HUMAN
Rhabdolaimus Genus pageRhabdolaimus Genus page
Definition: Rhabdolaiminae. Cuticle with fine transverse striae. Lateral fields absent. Amphids small and rather inconspicuous. Head flatly rounded, very lightly offset, without lips, papillae or setae. Stoma simple, furnished with 3 minute denticles in the anterior part and followed by a long, tapering tube lined by 3 rod-like thickenings and surrounded by a forward extension of the oesophagus. Latter almost cylindrical but narrowing to a short isthmus and swelling out into a terminal, pyriform, muscular bulb containing a valve apparatus. Tail in both sexes long and tapering, ending in a long terminal duct through which the caudal glands open. Vulva nearly equatorial, gonads paired and opposed. Spicules stout and rather broad anteriorly. Gubenaculum absent or represented by 2 local thickenings in the floor of the cloaca. No papillae in caudal region of either sex. Males are rare. Type species: Rhabdolaimus terrestris de Man, 1880 Species found: at: ...
https://nematode.unl.edu/rhabdomus.htm
Beck - Mutation Chords & TabsBeck - Mutation Chords & Tabs
Mutation by Beck Chords Different Versions Chords, Tab, Tabs. Key Variations. Play Advices. Chords Diagrams. Guitar Tabs Universe
http://www.guitartabs.cc/tabs/b/beck/mutation_crd.html
Gene Parsons - Take A City Bride Chords & TabsGene Parsons - Take A City Bride Chords & Tabs
Take A City Bride by Gene Parsons Chords Different Versions Chords, Tab, Tabs. Key Variations. Play Advices. Chords Diagrams. Guitar Tabs Universe
https://www.guitartabs.cc/tabs/g/gene_parsons/take_a_city_bride_crd.html
WorldPride leaflets! - WorldPride 2012 - Asexual Visibility and Education NetworkWorldPride leaflets! - WorldPride 2012 - Asexual Visibility and Education Network
This is the leaflets that we were handing out at the march (and at the conference as well, actually). We had 10k :lol: (front) (back) Ill put a link to t...
http://www.asexuality.org/en/topic/76805-worldpride-leaflets/
Patient LeafletsPatient Leaflets
Here you will find some helpful information for patients and carers. This information is for guidance purposes only and does not replace professional clinical…
https://www.hey.nhs.uk/patients-and-visitors/patient-leaflets/
Diabetic Diets for Weight Loss | Diabetic Living OnlineDiabetic Diets for Weight Loss | Diabetic Living Online
If you’re ready to lose weight and improve your diabetes (or kick it to the curb entirely), use an expert weight loss diet plan to guide you. We review five options for people with diabetes.
http://www.diabeticlivingonline.com/food-to-eat/nutrition/diabetic-diets-weight-loss?page=6
Accessory tricuspid valve tissue causing obstruction of the ventricular septal defect in tetralogy of Fallot. | HeartAccessory tricuspid valve tissue causing obstruction of the ventricular septal defect in tetralogy of Fallot. | Heart
Among 61 heart specimens of tetralogy of Fallot with or without pulmonary atresia, four presented with an accessory tricuspid valve leaflet. This structure caused partial or almost complete obstruction of the ventricular septal defect. Depending on the morphology, the accessory tissue was classified into mobile or fixed types. The mobile variety was tethered by long chordae tendineae which permitted a wide excursion of the leaflet through the ventricular septal defect into the left ventricular outflow tract where it represented a potential cause of obstruction. The fixed variety was attached to the edges of the defect by short chordae which reduced considerably its movements. This type created a fixed obstruction of the ventricular septal defect without involving the subaortic left ventricular outflow tract. The precise morphology of the accessory tricuspid valve tissue is of considerable surgical significance. When mobile, the tissue must be resected at the time of surgical repair. When ...
http://heart.bmj.com/content/49/4/324
Real-Time 3-Dimensional Transesophageal Echocardiography | CirculationReal-Time 3-Dimensional Transesophageal Echocardiography | Circulation
A 48-year-old man with a medical history of hypertension was admitted with acute dyspnea and pyrexia. Echocardiographic examination revealed a dilated and volume-overloaded left ventricle and severe mitral regurgitation due to ruptured chordae tendinae resulting in posterior leaflet prolapse. Blood cultures were negative. The patient was treated with antibiotics considering that he had a chest infection based on the admission chest x-ray, diuretics, and angiotensin converting enzyme inhibitors, and his clinical condition improved. Subsequently, he was referred for cardiac surgery. Coronary angiography demonstrated normal coronary anatomy, and he had mitral valve repair with placement of a 27-mm Duran flexible mitral ring. Postoperatively, he developed pyrexia. Numerous blood cultures were negative, but on the 14th postoperative day serological tests came back positive for Coxiella burnetti. He was treated with the combination of doxycycline and chloroquine. On the 25th postoperative day, he ...
http://circ.ahajournals.org/content/119/7/e206
Different influences of left ventricular remodeling on anterior and posterior mitral leaflet tethering.Different influences of left ventricular remodeling on anterior and posterior mitral leaflet tethering.
Different influences of left ventricular (LV) remodeling on anterior and posterior mitral leaflet (AML and PML) tethering in ischemic mitral regurgitation (MR) has not been fully investigated. We hypothesized that progressive outward displacement
http://www.biomedsearch.com/nih/Different-Influences-Left-Ventricular-Remodeling/22785152.html
Keele Research Repository - Keele UniversityKeele Research Repository - Keele University
In recent years percutaneous therapy has emerged as a feasible and effective option for the treatment of mitral regurgitation, particularly in cases where the risks of conventional cardiac surgery are prohibitively high. To date the most widely used percutaneous approach is beating heart, edge-to-edge repair with the MitraClip device (Abbott Vascular-Structural Heart, Menlo Park, CA). The technique requires simultaneous grasping and approximation of both mitral valve leaflets prior to securing and releasing the clip. However, this may be technically challenging or indeed impossible in patients with failure of coaptation, particularly when there is a large coaptation gap. We present an approach for overcoming this relatively common obstacle based on propping the anterior mitral valve leaflet toward its posterior counterpart with a diagnostic pigtail catheter to reduce the coaptation gap and to allow grasping of both leaflets without difficulty. © 2015 Wiley Periodicals, Inc.. ...
https://eprints.keele.ac.uk/2061/
Three-dimensional dynamic geometry of the normal canine mitral annulus and papillary muscles. - Semantic ScholarThree-dimensional dynamic geometry of the normal canine mitral annulus and papillary muscles. - Semantic Scholar
BACKGROUND Despite an incomplete knowledge of the geometry and dynamics of the mitral annulus (MA), papillary muscle (PM), and the chordae tendineac, chordal-sparing MVR is popular. METHODS AND RESULTS The systolic reduction in three-dimensional distance between each PM tip and eight MA sites (DT-A) was measured in nine normal closed-chest dogs by use of surgically implanted radiopaque markers. Three loci (tip, junction, and base) on each PM were also projected onto the MA plane at end diastole and end systole to assess PM dynamics. The anterior PM tip showed significant shortening of DT-A toward the opposite side of the MA or the midanterior MA region (P | .005 or P | .05, respectively, versus same MA side [MANOVA]); conversely, the posterior PM tip DT-A shortened toward the opposite side of the MA near the anterior commissure or the area between the anterior commissure and midposterior MA (P | .005 versus same MA side). Annular projection revealed three-dimensional motion (relative to the MA) of the
https://www.semanticscholar.org/paper/Three-dimensional-dynamic-geometry-of-the-normal-c-Komeda-Glasson/1d94bc6839ea030d4ef1ad6bf4e5a5bbfdf117bf
Home Medicine - Mitral Insufficiency: Mitral RegurgitationHome Medicine - Mitral Insufficiency: Mitral Regurgitation
This is the most frequent form of valvular disease of the heart and is due to a shortening or thickening of the valves or to some adhesion which does not permit the valve to close properly and the blood consequently regu.
http://www.homemedicine.ca/Articles/Mitral-Insufficiency-Mitral-Reg.html
Tenomodulin (Q9H2S6) | InterPro | EMBL-EBITenomodulin (Q9H2S6) | InterPro | EMBL-EBI
InterPro provides functional analysis of proteins by classifying them into families and predicting domains and important sites. We combine protein signatures from a number of member databases into a single searchable resource, capitalising on their individual strengths to produce a powerful integrated database and diagnostic tool.
http://www.ebi.ac.uk/interpro/protein/Q9H2S6
Chord progression player - Tune SmithyChord progression player - Tune Smithy
This is quite easy - lets keep to C major for our examples. Then you use the roman numerals for 1,2, 3 etc for the chords on C, D, E etc, as I, II, III etc. Now there is a subtlety here because, if you keep all the notes within the diatonic scale, some chords such as C E G are major, and others such as D F A are minor. The convention is to show the major chords in upper case and the minor chords in lower case. So the sequence is I, ii, iii, IV, V, vi Here, I have left out vii as it needs further discussion. The triad in this position in the diatonic scale has a diminished fifth rather than a perfect fifth. In C major its fifth is B to F. The diminished fifth, or tritone, is three whole tones in size and exactly splits the octave in two. Its not a particularly concordant interval and has a strong feeling that it needs to be resolved. In the classical notation vii simply plays a diminished fifth, though often notated as viio to indicate that it is diminished. In the popular notation however, vii ...
http://robertinventor.com/wiki/index.php?title=Chord_progression_player&diff=25482&oldid=25476
Chord Chemistry | Musicroom.comChord Chemistry | Musicroom.com
This book deals with chords and their application. It contains charts of many different kinds of chords and explains how best to use them. Covers right hand technique, the major scale, polytonal chords, ear training, triads, blues progressions, dominant 7th chords, voice leading and much, much more.
https://www.musicroom.com/product/alf00el02778/chord-chemistry.aspx
Mighty To Save Hillsong Chords PdfMighty To Save Hillsong Chords Pdf
Mighty to save hillsong chords pdf - Mighty to save Hillsong Chords - Chordify - Hillsong United Mighty to Save - Praise & Worship Guitarist
http://lioncitycup.com/new-south-wales/mighty-to-save-hillsong-chords-pdf.php
Kawakita Saruin chords & tabs by Maximum The Hormone @ 911TabsKawakita Saruin chords & tabs by Maximum The Hormone @ 911Tabs
Choose and determine which version of Kawakita Saruin chords and tabs by Maximum The Hormone you can play. Last updated on 09.12.2011
http://www.911tabs.com/tabs/m/maximum_the_hormone/kawakita_saruin_tab.htm
Tsume Tsume Tsume chords & tabs by Maximum The Hormone @ 911TabsTsume Tsume Tsume chords & tabs by Maximum The Hormone @ 911Tabs
Choose and determine which version of Tsume Tsume Tsume chords and tabs by Maximum The Hormone you can play. Last updated on 09.04.2014
http://www.911tabs.com/tabs/m/maximum_the_hormone/tsume_tsume_tsume_tab.htm
Chord of a triangle - Err); } ); } else {; Circle theoremsChord of a triangle - Err); } ); } else {; Circle theorems
All([ afterallSerifR (), afterallSerifM (), proximaNovaR (), proximaNovaS (), proximaNovaRegularI (), ]) - Chord of a triangle - Err); } ); } else {; Jim wilson at uga
http://www.serviciocatolico.com/docs/chord-of-a-triangle/
Difference between revisions of User:Francois/Solar Genesis II - CCRMA WikiDifference between revisions of User:Francois/Solar Genesis II - CCRMA Wiki
The control of the piece progression through MIDI is done through the expectation of chains of cues that dont need to be immediatly following each other. In the case of chords, only one cue per chord is used since we dont know in what order the MIDI messages of the chord notes will arrive to the computer. As soon as the cues have been received, an (audio) event is triggered by the Chuck program and the next cue sequence is loaded. A by-pass message (MIDI NoteOn 119 - a B flat) is implemented to force the playing of the event and the transition to the next sequence. This feature was made for demonstration purposes and wasnt used in the concert setup. ...
https://ccrma.stanford.edu/mediawiki/index.php?title=User:Francois/Solar_Genesis_II&diff=20133&oldid=13001
Difference between revisions of User:Francois/Solar Genesis II - CCRMA WikiDifference between revisions of User:Francois/Solar Genesis II - CCRMA Wiki
The control of the piece progression through MIDI is done through the expectation of chains of cues that dont need to be immediatly following each other. In the case of chords, only one cue per chord is used since we dont know in what order the MIDI messages of the chord notes will arrive to the computer. As soon as the cues have been received, an (audio) event is triggered by the Chuck program and the next cue sequence is loaded. A by-pass message (MIDI NoteOn 119 - a B flat) is implemented to force the playing of the event and the transition to the next sequence. This feature was made for demonstration purposes and wasnt used in the concert setup. ...
https://ccrma.stanford.edu/mediawiki/index.php?title=User:Francois/Solar_Genesis_II&diff=20133&oldid=13181
grass, nature, macro, leaflet, blurring, paysage, paysages 577110grass, nature, macro, leaflet, blurring, paysage, paysages 577110
All free hd desktop wallpapers and backgrounds with grass, nature, macro, leaflet, blurring, paysage, paysages. Image id 577110.
http://www.all-hd-wallpapers.com/wallpaper/paysages/grass-nature-macro-leaflet-blurring-paysage-paysages/577110
SPLEEN CHORDS by Staind @ Ultimate-Guitar.ComSPLEEN CHORDS by Staind @ Ultimate-Guitar.Com
tabbed by: Scott Guldenzoph [email protected] Spleen by Staind tuning (C,A,D,G) intro (riff 1) C|-3-2-1-2--3-2-1-2--3-2-1-2--3-2-0-1-2- riff 2 C|-3-2-1-2 repeated riff 3 C|-1-0-1-0-5 ri
https://tabs.ultimate-guitar.com/tab/staind/spleen-chords-83523
Is this really how chords are made now? (deadmau5) - Gearslutz Pro Audio CommunityIs this really how chords are made now? (deadmau5) - Gearslutz Pro Audio Community
Was watching this video claiming to be a tutorial about Deadmau5 chords, was just wondering if these are the actual type of chords he uses?? Youd need
https://www.gearslutz.com/board/electronic-music-instruments-and-electronic-music-production/639635-really-how-chords-made-now-deadmau5.html
Mitha Neem-plante Gir Oksygen Om Natten :: ultimate-counter.comMitha Neem-plante Gir Oksygen Om Natten :: ultimate-counter.com
Lirik I.F.L.Y. oleh Bazzi. Dapatkan Chord dan Lirik lagu populer lainnya disitus kami. , Database Kord dan Lirik lagu Indonesia terpopuler.
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Third heart soundThird heart sound
It may also be a result of tensing of the chordae tendineae during rapid filling and expansion of the ventricle.[citation ...
https://en.wikipedia.org/wiki/Third_heart_sound
Tricuspid valveTricuspid valve
Each leaflet is connected via chordae tendineae to the anterior, posterior, and septal papillary muscles of the right ventricle ...
https://en.wikipedia.org/wiki/Tricuspid_valve
TendonTendon
Aponeurosis Cartilage Chordae tendineae List of muscles of the human body Tendon sheath Dorlands Medical Dictionary, page 602 ...
https://en.wikipedia.org/wiki/Tendon
Heart soundsHeart sounds
The chordae tendineae act a bit like the strings on a parachute, and allow the leaflets of the valve to balloon up into the ... The papillary muscles are attached to the cusps or leaflets of the tricuspid and mitral valves via chordae tendineae (heart ... The sudden tensing of the chordae tendineae and the squeezing of the ventricles against closed semilunar valves, sends blood ... the chordae tendineae become tense and thereby prevent the backflow of blood into the lower pressure environment of the atria. ...
https://en.wikipedia.org/wiki/Heart_sounds
Mitral valveMitral valve
The valve leaflets are prevented from prolapsing into the left atrium by the action of chordae tendineae. The chordae tendineae ... Chordae tendineae[edit]. The left side of the heart. The mitral valve, as well as the chordae tendinae are visible as white ... resulting in an increased cuspal area and lengthening of the chordae tendineae. Elongation of the chordae tendineae often ... causes rupture, commonly to the chordae attached to the posterior cusp. Advanced lesions-also commonly involving the posterior ...
https://en.wikipedia.org/wiki/Mitral
Trabeculae carneaeTrabeculae carneae
... carneae also serve a function similar to that of papillary muscles in that their contraction pulls on the chordae tendineae, ... or the papillary muscles that holds chordae tendinae, which are connected to cusps of valves to control flow of blood into the ...
https://en.wikipedia.org/wiki/Trabeculae_carneae
Chordae tendineaeChordae tendineae
Multiple chordae tendineae attach to each leaflet of each flap of the valves. Chordae tendineae are approximately 80% collagen ... Papillary muscles and chordae tendineae Play media Ultrasound showing redundant chordae tendineae Cardiac cycle Faletra, ... The chordae tendineae prevent this prolapse by becoming tense, which pulls on the flaps, holding them in closed position. ... Chordae tendineae are relaxed because the atrioventricular valves are forced open. When the ventricles of the heart contract in ...
https://en.wikipedia.org/wiki/Chordae_tendineae
Heart valveHeart valve
The chordae tendineae are attached to papillary muscles that cause tension to better hold the valve. Together, the papillary ... These valves do not have chordae tendineae, and are more similar to the valves in veins than they are to the atrioventricular ... They are anchored to the walls of the ventricles by chordae tendineae, which prevent the valves from inverting. ... muscles and the chordae tendineae are known as the subvalvular apparatus. The function of the subvalvular apparatus is to keep ...
https://en.wikipedia.org/wiki/Heart_valve
HeartHeart
This creates tension on the chordae tendineae, helping to hold the cusps of the atrioventricular valves in place and preventing ... the papillary muscles are also relaxed and the tension on the chordae tendineae is slight. As the heart chambers contract, so ... papillary muscles attached to the tricuspid valve on the right and to the mitral valve on the left via chordae tendineae.[7] ... The tricuspid valve has three cusps,[21] which connect to chordae tendinae and three papillary muscles named the anterior, ...
https://en.wikipedia.org/wiki/Heart
Interatrial sulcusInteratrial sulcus
chordae tendineae. *papillary muscle. *valves. *cusps. *atrioventricular septum. *cardiac skeleton. *intervenous tubercle ...
https://en.wikipedia.org/wiki/Interatrial_sulcus
Ventricle (heart)Ventricle (heart)
The third type, the papillary muscles give origin at their apices to the chordae tendinae which attach to the cusps of the ...
https://en.wikipedia.org/wiki/Ventricle_(heart)
PericardiumPericardium
chordae tendineae. *papillary muscle. *valves. *cusps. *atrioventricular septum. *cardiac skeleton. *intervenous tubercle ...
https://en.wikipedia.org/wiki/Serous_pericardium
Aortic valveAortic valve
chordae tendineae. *papillary muscle. *valves. *cusps. *atrioventricular septum. *cardiac skeleton. *intervenous tubercle ...
https://en.wikipedia.org/wiki/Aortic_valve
Cardiac skeletonCardiac skeleton
Chordae tendineae. *Fibrous ring of intervertebral disk. References[edit]. This article incorporates text in the public domain ...
https://en.wikipedia.org/wiki/Cardiac_skeleton
ICD-10 Chapter IX: Diseases of the circulatory systemICD-10 Chapter IX: Diseases of the circulatory system
I23.4) Rupture of chordae tendineae as current complication following acute myocardial infarction ...
https://en.wikipedia.org/wiki/ICD-10_Chapter_IX:_Diseases_of_the_circulatory_system
TendonTendon
Chordae tendineae. *List of muscles of the human body. *Tendon sheath. *Tendinopathy ...
https://en.m.wikipedia.org/wiki/Vagina_fibrosa
Atrioventrikularni čvorAtrioventrikularni čvor
Chordae tendineae. *Papilarni mišić. *Zalisci. *Prednja međukomorna brazda. *Stražnja međukomorna brazda. Regije. *Baza ...
https://bs.wikipedia.org/wiki/Atrioventrikularni_čvor
EndocarditisEndocarditis
Other structures that may be involved include the interventricular septum, the chordae tendineae, the mural endocardium, or the ...
https://en.m.wikipedia.org/wiki/Endocarditis
പർക്കിൻജീ ഫൈബർ - വിക്കിപീഡിയപർക്കിൻജീ ഫൈബർ - വിക്കിപീഡിയ
... chordae tendineae, papillary muscle) · വാൽവുകൾ · cusps · Atrioventricular septum cardiac skeleton ...
https://ml.wikipedia.org/wiki/Purkinje_fibers
එපිකාඩියම - විකිපීඩියාඑපිකාඩියම - විකිපීඩියා
chordae tendineae. *papillary muscle. *valves. *cusps. *atrioventricular septum. *cardiac skeleton. *intervenous tubercle ...
https://si.wikipedia.org/wiki/එපිකාඩියම
TendonTendon
Chordae tendineae. *Cartilage. *Tendon sheath. RéferènsiBesut. *↑ eMedicine/Stedman Medical Dictionary Lookup! ...
https://jv.m.wikipedia.org/wiki/Tendon
රුධිර සංසරණ පද්ධතිය - විකිපීඩියාරුධිර සංසරණ පද්ධතිය - විකිපීඩියා
chordae tendineae. *papillary muscle. *valves. *cusps. *atrioventricular septum. *cardiac skeleton. *intervenous tubercle ...
https://si.wikipedia.org/wiki/සංසරණ_පද්ධතිය
AnatomyDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesTechnology, Industry, AgricultureGeographicals
Chordae TendineaeHeart RuptureMitral ValveMitral Valve InsufficiencyMitral Valve ProlapseRuptureTricuspid ValvePapillary MusclesRupture, SpontaneousHeart Valve Prosthesis ImplantationEchocardiographyFinite Element AnalysisMitral Valve AnnuloplastyAortic ValveThrombosisBlood Vessel ProsthesisPlatelet AdhesivenessVascular Surgical ProceduresPolytetrafluoroethyleneEuropeBlood Platelets
Chordae tendineae - Location, Function and PicturesChordae tendineae - Location, Function and Pictures
Chordae tendineae Definition These are string-like bands of fibrous tissue that attach to the cusps of the lower chamber of the ... Chordae tendineae & Papillary muscles. Chordae tendineae and papillary muscles offer extreme support to the leaflets of the ... Chordae tendineae Location. These are situated between the edges of the tricuspid and mitral valve of the heart and on the ... Chordae tendineae Definition. These are string-like bands of fibrous tissue that attach to the cusps of the lower chamber of ...
https://www.knowyourbody.net/chordae-tendineae.html
Heart valve - WikipediaHeart valve - Wikipedia
The chordae tendineae are attached to papillary muscles that cause tension to better hold the valve. Together, the papillary ... These valves do not have chordae tendineae, and are more similar to the valves in veins than they are to the atrioventricular ... They are anchored to the walls of the ventricles by chordae tendineae, which prevent the valves from inverting. ... muscles and the chordae tendineae are known as the subvalvular apparatus. The function of the subvalvular apparatus is to keep ...
https://en.wikipedia.org/wiki/Heart_valve
The Journal of Heart Valve Disease - Contents - 2012 - Volume 21 Number 4 July 2012 - MITRAL VALVE DISEASE - Animal Models of...The Journal of Heart Valve Disease - Contents - 2012 - Volume 21 Number 4 July 2012 - MITRAL VALVE DISEASE - Animal Models of...
Animal Models of Mitral Regurgitation Induced by Mitral Valve Chordae Tendineae Rupture ... Chordae tendineae cutting is performed using either closed- or open-chest techniques. In the closed-chest model, long flexible ... Animal Models of Mitral Regurgitation Induced by Mitral Valve Chordae Tendineae Rupture. Aurelia A. Leroux, Marie L. Moonen, ... The study aim was to review the animal MR models that have been developed using a mitral valve chordae tendineae rupture ...
http://www.icr-heart.com/?cid=2643&g=8
Echocardiographic visualization of the anatomic causes of mitral regurgitation resulting from myocardial infarction |...Echocardiographic visualization of the anatomic causes of mitral regurgitation resulting from myocardial infarction |...
... ruptured chordae tendineae (1 case) and papillary muscle fibrosis (3 cases).. Two-dimensional echocardiography is useful in ...
http://pmj.bmj.com/content/58/679/257
Heart valves and strings, SEM - Stock Image C002/1080 - Science Photo LibraryHeart valves and strings, SEM - Stock Image C002/1080 - Science Photo Library
... chordae tendineae, thread-like), the papilliary muscles (thick bands at lower right and left), and the trabeculae carneae ( ... chorda tendinea, chordae tendineae, circulatory system, colored, coloured, coronary, dissected, dissection, endocardium, ... chordae tendineae, thread-like), the papilliary muscles (thick bands at lower right and left), and the trabeculae carneae ( ...
http://www.sciencephoto.com/media/85402/view
Most recent papers with the keyword Mitral valve prolapse | Read by QxMDMost recent papers with the keyword Mitral valve prolapse | Read by QxMD
BACKGROUND: Common surgical procedures on the mitral valve of the heart include modifications to the chordae tendineae. Such ... Understanding the role of individual chordae tendineae before operating could be helpful to predict whether the mitral valve ... The case showed bi-fascicular block, severe tricuspid valve regurgitation due to ruptured chordae tendineae of the anterior ... by a fibrous bridging tissue that was supported by the chordae tendineae originating from an accessory middle papillary muscle ...
https://www.readbyqxmd.com/keyword/27711
Sabinet | Mechanisms and prognosis of mitral regurgitation in acute and chronic ischaemia and dilated cardiomyopathySabinet | Mechanisms and prognosis of mitral regurgitation in acute and chronic ischaemia and dilated cardiomyopathy
In those patients with partial rupture of the papillary muscle or chordae tendineae rupture arter myocardial infarction (MD, ... In those patients with partial rupture of the papillary muscle or chordae tendineae rupture arter myocardial infarction (MD, ...
http://journals.co.za/content/cardio1/3/1/AJA10159657_183
Download E-books Kaplan Anatomy Coloring Book PDF - NumerologyCentral.com E-booksDownload E-books Kaplan Anatomy Coloring Book PDF - NumerologyCentral.com E-books
This valve has cusps, chordae tendineae and papillary muscle groups. while the left ventricle contracts, the blood strikes ... Chordae tendineae, t. correct atrioventricular valve, u. establishing of coronarysinus, v. Fossa ovalis, w. correct atrium, x. ...
http://numerologycentral.com/library/kaplan-anatomy-coloring-book
Mitral Stenosis | Quick Answers Surgery | AccessSurgery | McGraw-Hill MedicalMitral Stenosis | Quick Answers Surgery | AccessSurgery | McGraw-Hill Medical
Most MVs have anterior and posterior leaflets, attached by thin fibrous chordae tendineae to papillary muscle ... MV common due to tensing of leaflets by chordae (heard best at apex) ...
http://accesssurgery.mhmedical.com/content.aspx?bookid=853§ionid=49662193
US RX Store: Dr Viagra from trusted suppliers!US RX Store: Dr Viagra from trusted suppliers!
Complications include dehydration resulting from endocarditis, mi, and ruptured chordae tendineae f i g u r e a s e d a b ...
http://www.pmhccares.org/?ger=dr-viagra&as=5
Chordae tendineae - WikipediaChordae tendineae - Wikipedia
Multiple chordae tendineae attach to each leaflet of each flap of the valves. Chordae tendineae are approximately 80% collagen ... Papillary muscles and chordae tendineae Play media Ultrasound showing redundant chordae tendineae Cardiac cycle Faletra, ... The chordae tendineae prevent this prolapse by becoming tense, which pulls on the flaps, holding them in closed position. ... Chordae tendineae are relaxed because the atrioventricular valves are forced open. When the ventricles of the heart contract in ...
https://en.wikipedia.org/wiki/Chordae_tendineae
Chordae Tendineae - HeartChordae Tendineae - Heart
The chordae tendineae are a group of tough, tendinous strands in the heart. They are commonly referred to as the "heart strings ... The chordae tendineae are a group of string-like tendinous bands found within both ventricles of the heart. They arise from the ... Functionally, the chordae tendineae play a vital role in holding the atrioventricular valves in place while the heart is ... Histologically, the chordae tendineae resemble thin tendons made of dense regular connective tissue. Most of their mass is made ...
https://www.innerbody.com/image_card02/musc31-new.html
Study of the traction resistance of mitral valve chordae tendineaeStudy of the traction resistance of mitral valve chordae tendineae
... chordae tendineae when submitted to traction. The importance of keeping the integrity of papillary muscle, chordae tendineae, ... at the point at which the chordae tendineae were considered ruptured; consequently 103 chordae tendineae were included in the ... and discuss the preservation or not of chordae tendineae in each condition affecting the chordae tendineae. ... thickness of the primary chordae tendineae, but not with the length of the chordae tendineae. ...
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1807-59322006000500005&lng=en&nrm=iso
The prevalence of ruptured chordae tendineae in the mitral valve prolapse syndrome - Download PDFThe prevalence of ruptured chordae tendineae in the mitral valve prolapse syndrome - Download PDF
The prevalence of ruptured chordae tendineae in the mitral valve prolapse syndrome ... Mitral valve prolapse and ruptured chordae tendineae. To determine the causes of ruptured chordae tendineae and a suspected ... due to ruptured chordae tendineae of posterior leaflet underwent mitral valve repair by replacement of chordae tendineae with ... Download PDF Full Text: The prevalence of ruptured chordae tendineae in the mitral valve prolapse syndrome. ...
https://eurekamag.com/research/006/740/006740498.php
Total relief of severe left ventricular outflow obstruction after spontaneous rupture of chordae tendineae in a patient with...Total relief of severe left ventricular outflow obstruction after spontaneous rupture of chordae tendineae in a patient with...
Total relief of severe left ventricular outflow obstruction after spontaneous rupture of chordae tendineae in a patient with ... Total relief of severe left ventricular outflow obstruction after spontaneous rupture of chordae tendineae in a patient with ... Total relief of severe left ventricular outflow obstruction after spontaneous rupture of chordae tendineae in a patient with ...
https://heart.bmj.com/content/91/5/e35.share
Chordae tendineae: rupture in horses | Vetlexicon Equis from Vetstream | Definitive Veterinary IntelligenceChordae tendineae: rupture in horses | Vetlexicon Equis from Vetstream | Definitive Veterinary Intelligence
Find details on Chordae tendineae: rupture in horses including diagnosis and symptoms, pathogenesis, prevention, treatment, ... Chordae tendineae: rupture Contributor(s): Karen Blissit, Karen Blissitt, Christopher Brown, Lesley Young ... Chordae tendineae are fibrous strands attaching the cusps of the mitral and tricuspid valves to papillary muscles in the ... Rupture of these chordae → valvular incompetence and, if major chordae are ruptured, acute left or right-sided heart failure; ...
https://www.vetstream.com/treat/equis/diseases/chordae-tendineae-rupture
Mechanical Properties Of Chordae Tendineae And Anterior Leaflets From by Koon Ong Lim"Mechanical Properties Of Chordae Tendineae And Anterior Leaflets From " by Koon Ong Lim
Mechanical Properties Of Chordae Tendineae And Anterior Leaflets From Human Mitral Valves, And Of Aortic Valve Cusps ... Lim, Koon Ong, "Mechanical Properties Of Chordae Tendineae And Anterior Leaflets From Human Mitral Valves, And Of Aortic Valve ...
https://ir.lib.uwo.ca/digitizedtheses/890/
Effect of glutaraldehyde based cross-linking on the viscoelasticity of mitral valve basal chordae tendineae | Springer for...Effect of glutaraldehyde based cross-linking on the viscoelasticity of mitral valve basal chordae tendineae | Springer for...
... two papillary muscles and chordae tendineae [4, 6, 7, 8]. Chordae connect the papillary muscles to the anterior and posterior ... The role of chordae tendineae in mitral valve competence. J Heart Valve Dis. 2005;14:603-9.Google Scholar ... I. Chordae tendineae: a new classification. Circulation. 1970;41:449-58.CrossRefGoogle Scholar ... Structural characterization of the chordae tendineae in native porcine mitral valves. Ann Thorac Surg. 2005;80:189-97.CrossRef ...
https://rd.springer.com/article/10.1186%2Fs12938-018-0524-2
Spontaneous chordae tendineae rupture during peripartum, The American Journal of Emergency Medicine | 10.1016/j.ajem.2018.03...Spontaneous chordae tendineae rupture during peripartum, The American Journal of Emergency Medicine | 10.1016/j.ajem.2018.03...
"Spontaneous chordae tendineae rupture during peripartum, The American Journal of Emergency Medicine" on DeepDyve, the largest ... Spontaneous chordae tendineae rupture during peripartum. Spontaneous chordae tendineae rupture during peripartum Chiu, Feng-Han ... Spontaneous chordae tendineae rupture during peripartum. Chiu, Feng-Han; Yang, Chih-Jen; Huang, Chih-Kang; Lin, Chih-Yuan; Tsai ... Case report: acute chordae tendineae rupture and mitral regurgitation in pregnancy. Sachin, A.; Arundhati, D.; Chandrakant, C. ...
https://www.deepdyve.com/lp/elsevier/spontaneous-chordae-tendineae-rupture-during-peripartum-axrpecHR5o
Pulmonary Artery Catheter Passing between the Chordae Tendineae of the Tricuspid Valve | Anesthesiology | ASA PublicationsPulmonary Artery Catheter Passing between the Chordae Tendineae of the Tricuspid Valve | Anesthesiology | ASA Publications
When the surgery began and the right atrium was opened, the PAC was found to be passing between the chordae tendineae of the ... 1-2Although we have not experienced such a complication, the passage of a PAC through the chordae tendineae of the tricuspid ... Pulmonary Artery Catheter Passing between the Chordae Tendineae of the Tricuspid Valve. Anesthesiology 11 1995, Vol.83, 1130- ... Motoshi Kainuma, Morimasa Yamada, Toshiyuki Miyake; Pulmonary Artery Catheter Passing between the Chordae Tendineae of the ...
http://anesthesiology.pubs.asahq.org/article.aspx?articleid=2323532
False chordae tendineae | definition of false chordae tendineae by Medical dictionaryFalse chordae tendineae | definition of false chordae tendineae by Medical dictionary
What is false chordae tendineae? Meaning of false chordae tendineae medical term. What does false chordae tendineae mean? ... Looking for online definition of false chordae tendineae in the Medical Dictionary? false chordae tendineae explanation free. ... false chordae tendineae. false chordae tendineae. [TA] tendinous cords that, unlike the true chordae tendineae, do not attach ... Synonym(s): chordae tendineae falsae [TA], chordae tendineae spuriae ☆ , false tendinous cords ☆ ...
https://medical-dictionary.thefreedictionary.com/false+chordae+tendineae
Chordae TendineaeChordae Tendineae
The chordae tendineae, also called heart strings, are cord-like tendons that connect the papillary muscles to the tricuspid ... The chordae tendineae prevents the valves flaps from being everted (turned inside out) into the right atrium when the right ... Chordae tendineae are approximately 80% collagen, while the remaining 20% is made up of elastin and endothelial cells. ...
http://science-naturalphenomena.blogspot.com/2009/02/chordae-tendineae.html
Mitral valve - WikipediaMitral valve - Wikipedia
The valve leaflets are prevented from prolapsing into the left atrium by the action of chordae tendineae. The chordae tendineae ... Chordae tendineae[edit]. The left side of the heart. The mitral valve, as well as the chordae tendinae are visible as white ... resulting in an increased cuspal area and lengthening of the chordae tendineae. Elongation of the chordae tendineae often ... causes rupture, commonly to the chordae attached to the posterior cusp. Advanced lesions-also commonly involving the posterior ...
https://en.wikipedia.org/wiki/Mitral
What Are the Chordae Tendineae? | MVP ResourceWhat Are the Chordae Tendineae? | MVP Resource
What are the chordae tendineae? What do they look like? What function do they serve in the heart? Your questions answered in ... There are three main types of chordae: primary (marginal) chordae, secondary (basal) chordae, and tertiary chordae. ... What are the chordae tendineae?. The chordae tendin(e)ae, heart strings, or tendinous chords are tough bands of fibrous tissue ... The relaxed chordae tendineae tense up to hold the cusps (leaflets) of the atrioventricular valves in place when they close. ...
https://mvpresource.com/what-are-the-chordae-tendineae/
Mitral valve finite-element modelling from ultrasound data: a pilot study for a new approach to understand mitral function and...Mitral valve finite-element modelling from ultrasound data: a pilot study for a new approach to understand mitral function and...
iii) Chordae tendineae and PMs. The last mitral structures to be considered are the chordae tendineae and PMs, which are often ... ii) Chordae tendineae. The essential framework of the chordae tendineae is constituted by a central core of crimped collagen ... Second, the modelling of the chordae tendineae needs to be improved by adding basal chordae to the model and by accounting for ... 2005), who described the chordae tendineae as inextensible, i.e. rigid.. Moreover, since the chordae are structured as strings ...
http://rsta.royalsocietypublishing.org/content/366/1879/3411
Whats Chordae Tendineae and Its Connection with Mitral Valve Prolapse - Living with MVPWhat's Chordae Tendineae and Its Connection with Mitral Valve Prolapse - Living with MVP
Chordae tendineae is the string muscle in the heart that regulates the valve movements. Abnormalities in this muscle may ... Chordae tendineae inside your heart (Wikipedia). Normal chordae tendineae strings will close the flap tightly during the blood- ... Chordae tendineae is commonly known as the "heart strings" due to the shape. They connect the hearts valve with the muscles ... Chordae tendineae works like a gate, opening and closing the hearts valve during the blood circulation. This function allows ...
https://livingwithmvp.com/whats-chordae-tendineae-mitral-valve-prolapse/
DNA Repair Gene Polymorphism and the Risk of Mitral Chordae Tendineae Rupture. - PubMed - NCBIDNA Repair Gene Polymorphism and the Risk of Mitral Chordae Tendineae Rupture. - PubMed - NCBI
DNA Repair Gene Polymorphism and the Risk of Mitral Chordae Tendineae Rupture.. Yigin AK1, Vatan MB2, Akdemir R2, Aksoy MN2, ... DNA Repair Gene Polymorphism and the Risk of Mitral Chordae Tendineae Rupture ... aim of the present study was to evaluate the significance of polymorphism Lys939Gln in XPC gene in patients with mitral chordae ...
https://phgkb.cdc.gov/PHGKB/phgHome.action?action=forward&dbsource=huge&id=121923
Third heart sound - WikipediaThird heart sound - Wikipedia
It may also be a result of tensing of the chordae tendineae during rapid filling and expansion of the ventricle.[citation ...
https://en.wikipedia.org/wiki/Third_heart_sound
April 5, 2014 - Volume 127 - Issue 7 : Chinese Medical JournalApril 5, 2014 - Volume 127 - Issue 7 : Chinese Medical Journal
Acute mitral valve chordae tendineae rupture of a girl. Tong, Xiaoning; Xue, Hui; Wu, Qingyu ...
https://journals.lww.com/cmj/Pages/toc.aspx?year=2014&issue=04050
Alphabetical Browse | Britannica.comAlphabetical Browse | Britannica.com
chorda tendineae (anatomy). human cardiovascular system: Valves of the heart: …cords of dense tissue (chordae tendineae) ... chordae tendineae (anatomy). human cardiovascular system: Valves of the heart: …cords of dense tissue (chordae tendineae) ... The chordae tendineae and the papillary muscles from which they arise limit the extent to which the portions of… ... The chordae tendineae and the papillary muscles from which they arise limit the extent to which the portions of… ...
https://www.britannica.com/browse/alpha/c/123
Health Management and Leadership Portal | Mitral valve repair system chordae tendineae rupture NeoChord DS1000 NeoChord |...Health Management and Leadership Portal | Mitral valve repair system chordae tendineae rupture NeoChord DS1000 NeoChord |...
a:1:{i:0;a:2:{s:4:"name";s:8:"Options:";s:3:"val";s:25:"chordae tendineae rupture";}} ... Mitral valve repair system chordae tendineae rupture NeoChord DS1000 NeoChord NeoChord DS1000 ... The NeoChord DS1000 is a disposable device that is intended to replace damaged chordae by delivering artifical chordae tendinae ... Our Technology Historically, chordae replacement has been used with high reproducibility and excellent results for repairing ...
https://healthmanagement.org/products/view/mitral-valve-repair-system-chordae-tendineae-rupture-neochord-ds1000-neochord
Products | Gore Medical EuropeProducts | Gore Medical Europe
GORE-TEX® Suture for Chordae Tendineae. Repair and replacement of chordae tendineae is a critical, exacting intracardiac ... GORE-TEX® Suture has been used successfully in chordae tendineae procedures for more than 20 years. ...
https://www.goremedical.com/eu/products
Physical Diagnosis Final Exam Study GuidePhysical Diagnosis Final Exam Study Guide
shortened chordae tendineae. *Concurrent features of Mitral Regurgitation:. *Left Ventricular Hypertrophy ------, Shifted PMI ...
https://www.kumc.edu/AMA-MSS/Study/pdx_final_exam.htm
Chordae tendineae from posteromedial papillary muscle inserting into the anterior mitral leaflet--an unusual presentation. What...Chordae tendineae from posteromedial papillary muscle inserting into the anterior mitral leaflet--an unusual presentation. What...
Full text: Available Index: IMSEAR (South-East Asia) Main subject: Papillary Muscles / Humans / Chordae Tendineae / Mitral ... Full text: Available Index: IMSEAR (South-East Asia) Main subject: Papillary Muscles / Humans / Chordae Tendineae / Mitral ... Chordae tendineae from posteromedial papillary muscle inserting into the anterior mitral leaflet--an unusual presentation. What ... Chordae tendineae from posteromedial papillary muscle inserting into the anterior mitral l ...
https://search.bvsalud.org/gim/resource/en/sea-1392
Mitral Regurgitation: Practice Essentials, Background, PathophysiologyMitral Regurgitation: Practice Essentials, Background, Pathophysiology
Mitral regurgitation (MR) can be caused by organic disease (eg, rheumatic fever, ruptured chordae tendineae, myxomatous ... Causes of acute mitral regurgitation (MR) include coronary artery disease, infectious endocarditis, chordae tendineae rupture ( ... the chordae tendineae, and the papillary muscles (anteromedial and posterolateral). The most common etiologies of MR include ... it does not cause chordae tendineae dysfunction or rupture as they are not vascularized. The posteromedial papillary muscle is ...
https://emedicine.medscape.com/article/155618-overview
The accuracy of echocardiography versus surgical and pathological classification of patients with ruptured mitral chordae...The accuracy of echocardiography versus surgical and pathological classification of patients with ruptured mitral chordae...
Surgical procedures for RMCT depended on the location of ruptured chordae tendineae, with no relationship between surgical ... The incidence of extended subvalvular chordae in the myxomatous group was higher than that in the other groups, and valve ... The echocardiographic characteristics of RMCT included valvular thickening, extended subvalvular chordae, echo enhancement, ... The accuracy of echocardiography versus surgical and pathological classification of patients with ruptured mitral chordae ...
https://cardiothoracicsurgery.biomedcentral.com/articles/10.1186/1749-8090-6-94/tables/1
Do you know your heart | HubPagesDo you know your heart | HubPages
The chordae tendineae are tendons linking the papillary muscles to the tricuspid valve in the right ventricle and the mitral ... They connect to the chordae tendineae, which attach to the tricuspid valve in the right ventricle and the mitral valve in the ... The chordae tendineae are string-like in appearance and are sometimes referred to as heart strings.. ... As the papillary muscles contract and relax, the chordae tendineae transmit the resulting increase and decrease in tension to ...
https://hubpages.com/misc/Do-you-know-your-heart
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Chordae TendineaeHeart RuptureMitral ValveMitral Valve InsufficiencyMitral Valve ProlapseRuptureTricuspid ValvePapillary MusclesRupture, SpontaneousHeart Valve Prosthesis ImplantationEchocardiographyFinite Element AnalysisMitral Valve AnnuloplastyAortic ValveThrombosisBlood Vessel ProsthesisPlatelet AdhesivenessVascular Surgical ProceduresPolytetrafluoroethyleneEuropeBlood Platelets
LeafletsMitralLeafletValveValvesApparatusTendinaeTricuspidTendinousCordsTendonsRight ventricleVentriclesCuspsHeartCollagenStringsAnnulusCongenitalAorticFlapsDegenerativeChordsArtificialCatheterBasalTear
Leaflets2
  • Chordae tendineae and papillary muscles offer extreme support to the leaflets of the mitral and tricuspid valves. (knowyourbody.net)
  • We present a method to semi-automatically build a computational model of a mitral valve from micro CT (computed tomography) scans: after manually picking chordae fiducial points, the leaflets are segmented and the boundary conditions as well as the loading conditions are automatically defined. (readbyqxmd.com)
Mitral3
  • Common surgical procedures on the mitral valve of the heart include modifications to the chordae tendineae. (readbyqxmd.com)
  • Understanding the role of individual chordae tendineae before operating could be helpful to predict whether the mitral valve will be competent at peak systole. (readbyqxmd.com)
  • The case showed bi-fascicular block, severe tricuspid valve regurgitation due to ruptured chordae tendineae of the anterior leaflet, moderate mitral valve regurgitation due to prolapse of mitral anterior leaflet, and hypokinetic motion of the inferior septal wall. (readbyqxmd.com)
Leaflet1
  • Such interventions are used when there is extensive leaflet prolapse caused by chordae rupture or elongation. (readbyqxmd.com)
Valve1
Valves1
  • They are anchored to the walls of the ventricles by chordae tendineae , which prevent the valves from inverting. (wikipedia.org)
Apparatus1
Tendinae6
  • The mitral valve, as well as the chordae tendinae are visible as white strings. (wikipedia.org)
  • What do the chordae tendinae look like? (mvpresource.com)
  • What can go wrong with the chordae tendinae? (mvpresource.com)
  • The NeoChord DS1000 is a disposable device that is intended to replace damaged chordae by delivering artifical chordae tendinae or "neochords" in a beating heart using minimally invasive techniques. (healthmanagement.org)
  • A girdle for surrounding the chordae tendinae of a heart valve, and a system and method for delivering the girdle. (google.com)
  • The girdle gathers the chordae tendinae into a bundle to effectively shorten the chordae tendinae to resolve or reduce valve leaflet prolapse. (google.com)
Tricuspid9
  • The chordae tendineae (tendinous cords), colloquially known as the heart strings, are tendon-resembling fibrous cords of connective tissue that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart. (wikipedia.org)
  • In the right ventricle, the chordae tendineae connect to the three cusps of the tricuspid valve, while in the left ventricle they connect to the two cusps of the bicuspid (or mitral) valve. (innerbody.com)
  • Chordae tendineae are fibrous strands attaching the cusps of the mitral and tricuspid valves to papillary muscles in the ventricular wall. (vetstream.com)
  • When the surgery began and the right atrium was opened, the PAC was found to be passing between the chordae tendineae of the posterior leaflet of the tricuspid valve ( 1 ). (asahq.org)
  • 1 - 2 Although we have not experienced such a complication, the passage of a PAC through the chordae tendineae of the tricuspid valve may not be rare if the catheter is inserted with the balloon deflated in patients with tricuspid regurgitation. (asahq.org)
  • Smith WR, Glauser FL, Jemison P: Ruptured chordae of the tricuspid valve. (asahq.org)
  • The chordae tendineae , also called heart strings, are cord-like tendons that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart . (blogspot.com)
  • Thin, fibrous strands called chordae tendineae open and close the flaps, or cusps, of the mitral and tricuspid valves. (merckmanuals.com)
  • The chordae tendineae of the tricuspid valve were elongated and attenuated. (upmc.edu)
Tendinous3
  • The chordae tendineae are a group of tough, tendinous strands in the heart. (innerbody.com)
  • The chordae tendineae are a group of string-like tendinous bands found within both ventricles of the heart. (innerbody.com)
  • The tendinous chordae are made up of collagen (a protein in human connective tissues), elastin, and endothelium . (mvpresource.com)
Cords1
  • At their apices are a number of chordae tendineae - fine fibrous cords of collagen. (gpnotebook.co.uk)
Tendons2
  • Histologically, the chordae tendineae resemble thin tendons made of dense regular connective tissue. (innerbody.com)
  • The chordae tendineae are inelastic tendons attached at one end to papillary muscles in the left ventricle, and at the other to the valve cusps. (wikipedia.org)
Right ventricle1
  • The chordae tendineae prevents the valves flaps from being everted (turned inside out) into the right atrium when the right ventricle of the heart contracts to pump the blood into the aorta, thus avoiding a backflow of blood into the right atrium. (blogspot.com)
Ventricles4
  • The chordae tendineae connect the atrioventricular valves to the papillary muscles within the ventricles. (wikipedia.org)
  • To prevent the valves from blowing out under the extremely high blood pressure within the ventricles, the chordae tendineae hold the cusps of each AV valve on the ventricular side. (innerbody.com)
  • They are anchored to the walls of the ventricles by chordae tendineae , which prevent the valves from inverting. (wikipedia.org)
  • The chordae tendineae are anchored within the ventricles. (merckmanuals.com)
Cusps5
  • On their far end, the chordae tendineae merge with and insert on the cusps of the atrioventricular (AV) valves. (innerbody.com)
  • The left atrioventricular apparatus is located between the left atrium and the left ventricle, and consists of the following: mitral ring, anterior and posterior cusps, chordae tendineae, and papillary muscles. (scielo.br)
  • The force exerted by the cusps on the chordae tendineae is directly proportional to the transmitral pressure gradient and to the area covered by the cusps. (scielo.br)
  • Chordae anchor valve cusps to papillary muscles. (vetstream.com)
  • The chordae tendineae are the ones responsible for keeping the cusps connected to the papillary muscles. (infobarrel.com)
Heart9
  • Valvular heart disease can lead to ruptured chordae tendineae. (wikipedia.org)
  • if minor chordae are ruptured → heart failure after a more prolonged period (months). (vetstream.com)
  • Heart valve conditions like subvalvular aortic stenosis can also affect the chordae. (mvpresource.com)
  • Chordae tendineae seems like a thin and insignificant part of your heart. (livingwithmvp.com)
  • Chordae tendineae is commonly known as the "heart strings" due to the shape. (livingwithmvp.com)
  • Our Technology Historically, chordae replacement has been used with high reproducibility and excellent results for repairing leaflet prolaspe but has required open-heart surgery with bypass to stop the heart while the repair is performed. (healthmanagement.org)
  • Optically-guided instrument for transapical beating-heart delivery of artificial mitral chordae tendineae. (childrenshospital.org)
  • These chordae tendineae are the cow's heart strings. (instructables.com)
  • In experiments on 22 dogs, when those chordae tendineae threads were cut, heart efficiency decreased, Dr. David Hansen said. (orlandosentinel.com)
Collagen1
  • Chordae tendineae are approximately 80% collagen, while the remaining 20% is made up of elastin and endothelial cells. (wikipedia.org)
Strings1
  • Normal chordae tendineae strings will close the flap tightly during the blood-pumping action, but this is not always the case. (livingwithmvp.com)
Annulus1
  • The artificial chordae were passed through the mid-septal annulus and fixed on the side of the left atrium. (nih.gov)
Congenital1
  • Minutes to hours: ruptured chordae tendineae, severe congenital abnormalities. (vetstream.com)
Aortic1
  • Aortic valve repair techniques included sub-commissural plasty in 138 patients, plication in 84, free-edge reinforcement in 80, resection of raphe plus re-suturing in 40 and the chordae technique in 52. (biomedsearch.com)
Flaps1
  • In this case, the thickening of a flap (or two flaps) plus the abnormalities of chordae tendineae cause the blood to rush more quickly. (livingwithmvp.com)
Degenerative1
  • Inflammatory and degenerative changes in the chordae. (vetstream.com)
Chords1
Artificial1
  • Kasegawa H, Kamata S, Hirata S, Kobayashi N, Mannouji E, Ida T, Kawase M: Simple method for determining proper length of artificial chordae in mitral valve repair. (springer.com)
Catheter2
  • If we had not recognized this problem early and had attempted to withdraw the catheter while the balloon was inflated, the chordae tendineae might have been ruptured. (asahq.org)
  • ChoRe: A device for trans-catheter chordae tendineae repair. (nih.gov)
Basal4
  • To investigate the impact of glutaraldehyde on mitral valve chordae, 24 basal chordae were dissected from four porcine hearts. (springer.com)
  • Anterior and posterior basal (including strut) chordae were used. (springer.com)
  • Chordae can be categorised as marginal or basal. (springer.com)
  • There are three main types of chordae: primary (marginal) chordae, secondary (basal) chordae, and tertiary chordae. (mvpresource.com)
Tear1
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