• They are rarely if ever observed during angiography in the absence of severe ischemia (vessels less than 200 micrometers are not visible, generally), and only coronary stenosis, anemia, and exercise have experimentally been shown to cause transformation. (wikipedia.org)
  • CT coronary angiography can detect coronary plaque with high resolution, estimate the degree of functional stenosis and characterise plaque features. (bmj.com)
  • Consequently, invasive coronary angiography (ICA) became the gold standard for diagnosis of CAD. (bmj.com)
  • The patient undergoes coronary angiography and LAD shows chronic total occlusion with collaterals. (acc.org)
  • LVO was defined as occlusion of one of the following arteries: internal carotid, middle cerebral (M1/M2), anterior cerebral (A1), posterior cerebral (P1), basilar, or vertebral (V4) arteries on prethrombolysis computed tomography angiography. (nih.gov)
  • Other coronary arteriography DEFINITION: Cannulation and angiography of the right and left coronary arteries. (albertadoctors.org)
  • Therefore, we investigated the possible association of ACE gene insertion/deletion (I/D) polymorphism and the severity of atherosclerosis, estimated on the basis of the number of coronary stenoses and critical arterial occlusions observed during coronary angiography. (degruyter.com)
  • Methods We retrospectively recruited 277 consecutive subjects (men younger than 45 years and women younger than 55 years) who underwent coronary angiography (136 with documented CAD and 129 without CAD) at our center, between 2005 and 2008. (go.jp)
  • METHODS: We enrolled 284 consecutive inpatients with suspected CAD and divided them into CAD and non-CAD groups based on the coronary angiography results. (bvsalud.org)
  • METHODS: We compared medication history of statin use with statin concentration measurements, by liquid chromatography-tandem mass spectrometry, in 690 participants undergoing coronary angiography (63 ± 11 years of age). (bvsalud.org)
  • Throughout his professional journey, he has particularly specialized in coronary angiography and angioplasty, with a special focus on patients suffering from heart attacks. (healthmagazine.ae)
  • The study population included 225 patients who were referred for elective coronary angiography for stable angina pectoris between August 2013 and April 2014. (biomedcentral.com)
  • All patients recruited in this study underwent coronary angiography for the presence of chest pain with objective signs of ischemia (treadmill exercise test or myocardial perfusion scintigraphy). (biomedcentral.com)
  • 3 months, in which the vessel shows no antegrade blood flow on angiography or only minimal contrast penetration through the lesion without distal vessel opacification were included in the CTO group. (biomedcentral.com)
  • Coronary angiography showing a giant proximal left circumflex aneurysm measuring 1 cm, involving the first obtuse marginal origin. (medscape.com)
  • Subject suffering from coronary artery disease requiring percutaneous coronary angiography and/or intervention. (who.int)
  • Coronary angiography and/or intervention contraindications. (who.int)
  • Coronary angiography examination revealed a functional mi- problem. (who.int)
  • The Resolute Integrity Zotarolimus-Eluting Coronary Stent System is indicated for improving coronary luminal diameters in patients, including those with diabetes mellitus, with symptomatic ischemic heart disease due to de novo lesions of length ≤ 27 mm in native coronary arteries with reference vessel diameters of 2.25 mm to 4.20 mm. (medtronic.com)
  • It gets its blood through a network of blood vessels called the coronary arteries. (howstuffworks.com)
  • The right and left coronary arteries are the two major vessels in this network. (howstuffworks.com)
  • Percutaneous transluminal coronary rotational atherectomy (PTCRA) debulks atherosclerotic plaque from coronary arteries using an abrasive burr. (cochrane.org)
  • PTCRA has been used both as an alternative to and in conjunction with balloon angioplasty to open up blocked coronary arteries. (cochrane.org)
  • To assess the effects of PTCRA for coronary artery disease in patients with non-complex and complex lesions (e.g. ostial, long or diffuse lesions or those arising from in-stent re-stenosis) of the coronary arteries. (cochrane.org)
  • Subcategorizing aimed to predict completely occluded arteries and the need for immediate intervention, namely, emergent cardiac catheterization to open an occluded coronary artery in STEMI. (iem-student.org)
  • The Promus ELITE Everolimus-Eluting Platinum Chromium Coronary Stent System is indicated for improving luminal diameter in patients, including those with diabetes mellitus, with symptomatic heart disease or documented silent ischemia due to de novo lesions in native coronary arteries ≥2.25 mm to ≤4.00 mm in diameter in lesions ≤34 mm in length. (bostonscientific.com)
  • Objective: The effect of the nitric oxide donor, SIN-1, in proximal and distal coronary arteries with normal endothelium was characterised before and after inhibition of NO synthesis with L-nitroarginine methyl ester (L-NAME). (eurekamag.com)
  • In control dogs (group 1) acetylcholine caused relaxation in proximal and distal coronary arteries (p gt 0.05). (eurekamag.com)
  • No difference in responsiveness of left circumflex or left anterior descending coronary arteries was observed in the control group. (eurekamag.com)
  • In group 2 the response to acetylcholine was significantly (p lt 0.05) attenuated in left circumflex coronary arteries exposed to ischaemia and reperfusion compared with left anterior descending control rings from the same heart. (eurekamag.com)
  • Conclusions: Endothelium dependent vasodilatation is attenuated by ischaemia and reperfusion in both proximal and distal coronary arteries of the size studied. (eurekamag.com)
  • The response to direct nitric oxide donation (bypassing vascular endothelial synthesis of EDRF) is inhibited by a basal endothelial process present in proximal coronary arteries only. (eurekamag.com)
  • Left heart catheterization revealed areas of aneurysmal dilation of coronary arteries, with a giant proximal left circumflex aneurysm measuring 1 cm, involving the first obtuse marginal origin with severe ectasia (Figure), and an aneurysmal segment in the proximal first diagonal branch. (medscape.com)
  • Arteriography showed bilateral occlusions of several lower limb arteries and associated development of a collateral network of vessels. (cdc.gov)
  • Introduction: Research suggests that the severity of coronary artery disease correlates with outcomes in patients with acute coronary syndrome (ACS). (pitt.edu)
  • In 2000, the ST-Elevation Myocardial Infarction (STEMI) paradigm revolutionized the management of Acute Coronary Syndrome (ACS), substituting the previous dichotomy between Q-wave versus non-Q wave myocardial infarcts (MI). (iem-student.org)
  • The study defined unstable CAD as post-MI patients who haven't received reperfusion therapy, multi-vessel disease following STEMI, non-ST-segment-elevation acute coronary syndrome. (iem-student.org)
  • Based on the electrocardiogram (ECG) and echocardiography, an acute coronary syndrome (ACS) was suspected. (iasp-pain.org)
  • Exclusion criteria were previous coronary artery bypass grafting (CABG), acute coronary syndrome, hematological disease, malignancy, severe renal or liver disease, ongoing infection or chronic inflammatory disease, and autoimmune disease. (biomedcentral.com)
  • The chest pain of the patient was assessed to be typical of acute coronary syndrome. (who.int)
  • We did not perform acute coronary syndrome, coronary elevation myocardial infarction, whereas angioplasty because the obstruction embolism should be kept in mind in the rest present with non-ST elevation was in the distal portion of the vessel those with prosthetic valves even in the myocardial infarction [8]. (who.int)
  • Syntax Study results (www.syntaxtrial.com) comparing Myocardial Revascularization Surgery against Angioplasty plus Stent in Patients with Left Main Trunk lesions plus 2 or 3 coronary vessels disease, showed that long-term mortality is comparable with both techniques. (drrobertocarlocorrea.com)
  • Angiotensin II is produced primarily by angiotensin I-converting enzyme (ACE) within atherosclerotic lesions and ACE level in plaques correlates with the severity of vessel wall damage. (degruyter.com)
  • The ACE I/D polymorphism influences individual differences in severity of coronary artery disease and the D allele promotes generation of numerous and critical atherosclerotic lesions. (degruyter.com)
  • Orsiro and Orsiro Mission are indicated for improving coronary luminal diameter in patients, including those with diabetes mellitus, with symptomatic heart disease, stable angina, unstable angina, non-ST elevation myocardial infarction or documented silent ischemia due to atherosclerotic lesions in the native coronary arteries with a reference vessel diameter of 2.25 mm to 4.0 mm and a lesion length of ≤ 36 mm. (orsiro.com)
  • Involvement of the heart usually occurs in the third phase as vasculitic lesions in myocardium and the coronary vessels, causing (peri)myocarditis, heart failure, cardiac tamponade , myocardial infarction , or pericardial effusion , as in our patient. (medscape.com)
  • At the age of 25, he underwent embolectomy, and the removed tissue showed vessel wall inflammation with a granulomatous appearance but no necrotizing lesions or epitheloid or eosinophilic infiltration. (cdc.gov)
  • The use of this product carries the same risks associated with coronary artery stent implantation procedures, which include subacute and late vessel thrombosis, vascular complications and/or bleeding events. (medtronic.com)
  • In medicine, collateralization, also vessel collateralization and blood vessel collateralization, is the growth of a blood vessel or several blood vessels that serve the same end organ or vascular bed as another blood vessel that cannot adequately supply that end organ or vascular bed sufficiently. (wikipedia.org)
  • monocytes and polycytes migrate to the vascular wall, which has, as a result of the occlusion, become permeable to the blood's cellular components. (wikipedia.org)
  • Schaper summarizes the status-2009 knowledge of coronary collateral transformation in a recent review: "Following an arterial occlusion outward remodeling of pre-existent inter-connecting arterioles occurs by proliferation of vascular smooth muscle and endothelial cells. (wikipedia.org)
  • The guiding catheter is intended to be used in the coronary or peripheral vascular system. (medtronic.com)
  • Compared to angioplasty alone, PTCRA/PTCA did not result in a higher incidence of major adverse cardiac events, but patients were more likely to experience vascular spasm, perforation and transient vessel occlusion. (cochrane.org)
  • Nitroglycerin may then reduce the vascular resistance in the subepicardial more than the subendocardial vessels, resulting in a "steal" of blood flow from deep to superficial myocardium. (jci.org)
  • Following percutaneous coronary intervention (PCI) for acute coronary syndromes, rise in endothelin-1 (ET-1) levels, a potent vasoconstrictor produced by the vascular endothelium, has been proposed as a potential mediator of reperfusion injury and 'no reflow' phenomenon. (bmj.com)
  • Course modules cover coronary artery disease (CAD), CAD Treatments, structural heart disease, vascular intervention and medical device innovation. (universityofgalway.ie)
  • The effects of acetylcholine and SIN-1 on the tone of left circumflex and left anterior descending coronary vascular rings were examined before and after treatment with L-NAME. (eurekamag.com)
  • Vascular endothelial growth factor and hypoxia-inducible factor-1a gene polymorphisms and coronary collateral formation in patients with coronary chronic total occlusions. (cdc.gov)
  • In 2011, Abbott Laboratories introduced a XIENCE V (XIENCE nano)to minimize the risk of restenosis associated with small-vessel coronary angioplasty. (marketsandmarkets.com)
  • Other Interventions: Non-pharmacological approaches involve mechanical revascularization, typically either percutaneous transluminal coronary angioplasty (angioplasty) or cornary artery bypass grafting. (pharmacology2000.com)
  • We have previously presented a method for performing coronary artery bypass graft operation on the beating heart without cardiopulmonary bypass (CPB). (medicus.ru)
  • coronary artery bypass graft operation has been shown to be a safe and feasible procedure with the potential benefits of reduced operative bleeding and myocardial damage without prolonging intraoperative support or total operating time. (medicus.ru)
  • The use of coronary artery bypass grafting (CABG) supported by cardiopulmonary bypass (CPB) evolved into a practical technique during the late 1960s and has since then been the state of the art with low morbidity and mortality. (medicus.ru)
  • Stent placement should only be performed at hospitals where emergency coronary artery bypass graft surgery can be readily performed. (medtronic.com)
  • She underwent off-pump coronary artery bypass surgery and remained in clinically stable condition afterwards. (fujita-hu.ac.jp)
  • Coronary artery bypass grafting (CABG) is performed for patients with coronary artery disease (CAD) to improve quality of life and reduce cardiac-related mortality. (medscape.com)
  • A coronary angiogram revealed total occlusion of the mid-left anterior descending (LAD) artery and a filling defect of the distal right coronary artery. (iasp-pain.org)
  • However, coronary artery disease risk is also driven by biological processes, such as inflammation, that are not fully reflected by severity of stenosis, myocardial ischaemia or by coronary plaque features. (bmj.com)
  • coronary angiogram revealed stenosis of left anterior descending, right coronary artery (RCA) and ramus occlusions. (clinmedjournals.org)
  • She had no risk factors for coronary artery disease in her medical history but it was learned that she had undergone a mitral valve replacement 2 years before because of rheumatic mitral stenosis and that no international normalized ratio (INR) analysis had been done in the last 6 months. (who.int)
  • CCT imaging for CAD initially quantified coronary artery calcification, as it was readily detected on CT images, and quantified to generate a coronary artery calcium score (CACS) that represented a surrogate marker of the presence and extent of CAD. (bmj.com)
  • Intravascular therapeutic Microbot Lab - Microrobot moving controlled through blood vessel for drug delivery and treatment of coronary artery disease such as CTO(chronic total occlusion) and thrombus. (wikipedia.org)
  • In 2012, Boston Scientific acquired BridgePoint Medical to integrate BridgePoint s first-of-its-kind crossing and re-entry systems for the treatment of coronary chronic total occlusions (CTOs).The drug-eluting stent segment also gainedsignificant attention from leading players inthe North American interventional cardiology and peripheral devices market. (marketsandmarkets.com)
  • endocarditis, atrial and ventricular mu- ing treatment of coronary embolism. (who.int)
  • At the same time restoring the patency of the coronary vessels and providing the ischemic myocardium with blood can cause additional tissue damage. (eurekaselect.com)
  • The visceral pericardium is a single layer of mesothelial cells that is attached to the myocardium, folds back (reflects) on itself over the origin of the great vessels, and joins with a tough, fibrous layer to envelop the heart as the parietal pericardium. (msdmanuals.com)
  • Myocardial damage is caused by vasculitis, leading to coronary occlusion due to the release of toxic mediators by activated eosinophils causing direct myocardial damage, or by replacement of the myocardium with granulomas and scar tissue. (medscape.com)
  • HN - 2008 BX - Granulosa Cells, Cumulus MH - Coronary Sinus UI - D054326 MN - A07.231.908.194.500 MS - A short vein that collects about two thirds of the venous blood from the MYOCARDIUM and drains into the RIGHT ATRIUM. (bvsalud.org)
  • CABG may be performed as an emergency procedure in the context of an ST-segment elevation MI (STEMI) in cases where it has not been possible to perform percutaneous coronary intervention (PCI) or where PCI has failed and there is persistent pain and ischemia threatening a significant area of myocardium despite medical therapy. (medscape.com)
  • Complex coronary obstructions, namely the Left Main Trunk, Multiple Arterial Vessels Disease, Total Occlusions and Bifurcations were field of surgical solution in the past decade. (drrobertocarlocorrea.com)
  • Cardiac imaging is central to the diagnosis and risk stratification of coronary artery disease, beyond symptoms and clinical risk factors, by providing objective evidence of myocardial ischaemia and characterisation of coronary artery plaque. (bmj.com)
  • Coronary artery disease risk assessment that incorporates clinical factors, plaque characteristics and perivascular inflammation offers a more comprehensive individualised approach to quantify and stratify coronary artery disease risk, with potential healthcare benefits for prevention, diagnosis and treatment recommendations. (bmj.com)
  • Cardiac CT (CCT) imaging has transformed the detection, characterisation and stratification of coronary artery disease (CAD) risk in individuals. (bmj.com)
  • Second, the ICA 'lumenogram' does not image disease in the vessel wall. (bmj.com)
  • Abdulla is 54-year-old diabetic man living in the United Arab Emirates with a history of three-vessel coronary artery disease. (acc.org)
  • The study cohort included 172 patients with angiographically confirmed premature coronary artery disease. (degruyter.com)
  • D allele carriers ( DD+ID genotypes) were more frequent in the subgroup of patients with stenoses in at least four coronary vessels than in other patients including subjects with one-, two- and three-vessel disease (97.4% vs. 74.4%, OR=13.05, 95% CI: 1.81-100.00, χ 2 =9.84, p=0.0017). (degruyter.com)
  • Telling a person with obesity who has an acute complaint to "just lose weight" is comparable to telling a patient with coronary artery disease who presents with an 80% vessel occlusion and chest pain to follow a low-fat diet. (medscape.com)
  • This is an update of the review on 'Percutaneous transluminal rotational atherectomy for coronary artery disease' first published in The Cochrane Library Issue 4, 2003. (cochrane.org)
  • Objective We aimed to investigate the association between the ABO blood groups and the risk of coronary artery disease (CAD) and myocardial infartion (MI) in a young Taiwanese population. (go.jp)
  • It remains unknown how this severity correlates with the extent of coronary disease (single vs. multivessel) and whether the latter is driven by patient characteristics. (pitt.edu)
  • This analysis aims to explore baseline clinical characteristics, severity of occlusion, and extent of coronary disease. (pitt.edu)
  • In addition to defining single versus multivessel disease, patients were also classified based on the amount of culprit vessels (no culprit, single culprit, or multiple culprits) that were found on the angiogram. (pitt.edu)
  • Conclusion: This work highlights those with multivessel disease are more likely to have preexisting comorbidities and multiple culprit vessels, and the latter are more likely to be NSTE-ACS patients than STE-ACS patients. (pitt.edu)
  • A meta-analysis of 46 trials with a total of 37 757 patients, including data from the International Study of Comparative Health Effectiveness with Medical and Invasive Approaches (ISCHEMIA) and Complete versus Culprit-Only Revascularization Strategies to Treat Multi-vessel Disease after Early PCI for STEMI (COMPLETE) trials demonstrated that PCI prevents death, cardiac death, and MI in patients with unstable coronary artery disease (CAD). (iem-student.org)
  • BACKGROUND: Lipid metabolism related factors, such as angiopoietin-like protein 3 (ANGPTL3), angiopoietin-like 4 (ANGPTL4), fatty acid-binding protein 4 (FABP4) are newly discovered factors that can affect coronary artery disease (CAD). (bvsalud.org)
  • BACKGROUND: Lipid profiling is central for coronary artery disease (CAD) risk assessment. (bvsalud.org)
  • This study was designed to explore predictive biomarkers of vulnerable plaque in patients with coronary artery disease. (bvsalud.org)
  • Obstructive left main stem coronary disease: is it time to recommend coronary stenting? (ox.ac.uk)
  • The study population included 225 patients, a control group (n = 75), a coronary artery disease group (n = 75), and a CTO group (n = 75). (biomedcentral.com)
  • 5) Behavior Questionnaire elicited data on behavior which may be associated with coronary heart disease for examined persons ages 25-74. (cdc.gov)
  • Association between UCP2 A55V polymorphism and risk of cardiovascular events in patients with multi-vessel coronary arterial disease. (cdc.gov)
  • Prevention of coronary heart disease : practical management of the risk factors / [edited by] Norman M. Kaplan, Jeremiah Stamler. (who.int)
  • Thrombolysis and percutaneous coronary interventions, provided they can be delivered on time, can interrupt the occlusion and save tissue. (eurekaselect.com)
  • AHA/ACC recommends primary percutaneous coronary intervention (PCI) for patients with STEMI and ischemic symptoms of less than 12 hours' duration. (iem-student.org)
  • Objectives Percutaneous coronary intervention (PCI) for acute coronary syndromes frequently fails to restore myocardial perfusion despite establishing epicardial vessel patency. (bmj.com)
  • Percutaneous coronary intervention of all three vessels was performed and an axillary percutaneous ventricular assist device (Abiomed Impella 5.0) was inserted for management of acute cardiogenic shock. (clinmedjournals.org)
  • His left anterior descending artery (LAD) was found to have a chronic total occlusion. (acc.org)
  • Use of antegrade dissection re-entry techniques for crossing coronary chronic total occlusions may occasionally fail due to subintimal hematoma formation. (elsevierpure.com)
  • We describe use of the retrograde approach to successfully complete a right coronary artery chronic total occlusion intervention, in which re-entry was not possible after subintimal guidewire crossing due to extensive subintimal hematoma formation that compressed the distal true lumen. (elsevierpure.com)
  • Latif, F , Brilakis, ES & Exaire, JE 2015, ' Retrograde approach to successfully treat antegrade failure due to subintimal hematoma of a right coronary artery chronic total occlusion ', Interventional Cardiology , vol. 7, no. 3, pp. 229-233. (elsevierpure.com)
  • This study assessed the association between NLR and the presence of chronic coronary total occlusion (CTO). (biomedcentral.com)
  • Under normal conditions, a thrombus is confined to the immediate area of injury and does not obstruct flow to critical areas, unless the blood vessel lumen is already diminished, as it is in atherosclerosis . (medscape.com)
  • Under pathologic conditions, a thrombus can propagate into otherwise normal vessels. (medscape.com)
  • Echocardiography and aortography revealed a large thrombus on the left coronary cusp of the aortic valve that almost completely occluded the left coronary ostium. (fujita-hu.ac.jp)
  • This leads to attraction and activation of monocytes and T-cells into the adventitial space (peripheral collateral vessels) or attachment of these cells to the endothelium (coronary collaterals). (wikipedia.org)
  • Notable product launches in the North American interventional cardiology and peripheral devices market include Abbott s XIENCE Xpedition Everolimus Eluting Coronary Stent Systemand Covidien s Viance crossing catheter and Enteer Re-entry System. (marketsandmarkets.com)
  • Intravascular imaging, using ultrasound (IVUS) or optical coherence tomography, reveals that angiographic assessment of the coronary lumen grossly underestimates the presence, nature and extent of coronary artery plaque. (bmj.com)
  • There is evidence that flow shear stress arises from disturbed flow from protruding plaque with vacuolation and turbulence that cause further intimal disruption, and this has been suggested as a mechanism for excess blood lipids to fuel deposition into plaques from the lumen of the vessel. (hindawi.com)
  • Mononuclear cells may surround the vessel, and connective tissue proliferation and necrosis in the tunica elastica media narrow the lumen ( 7 ). (cdc.gov)
  • Despite these initial positive results, the European Coronary Surgery Study conducted in the 1970s indicated that the significant improvement in 5-year survival rates with CABG was not apparent in the subsequent 5 years. (medscape.com)
  • Do not exceed the original diameter of the vessel proximal and distal to the lesion when inflating the balloon to reduce the potential for vessel damage. (orsiro.com)
  • Results: Proximal (1851(SEM 82) mu-m) and distal (477(19) mu-m) vessels were studied. (eurekamag.com)
  • Proximal vessels in group 1 and group 2 showed greater sensitivity to the vasodilator effects of SIN-1 than distal vessels. (eurekamag.com)
  • Proximal left circumflex vessels exposed to ischaemia and reperfusion showed enhanced sensitivity to the relaxant effects of SIN-1 compared to control proximal vessels obtained from the same hearts. (eurekamag.com)
  • inhibition of the synthesis of endothelium derived relaxing factor (EDRF) by L-NAME resulted in an enhanced response to SIN-1 in proximal vessels only. (eurekamag.com)
  • Most observers agree that a 90% occlusion is necessary to bring about transformation in the absence of other factors, though a recent article suggests that they may appear as a result of coronary spasm in the absence of total occlusion (see below). (wikipedia.org)
  • The effects of both intracoronary and intravenous administration of nitroglycerin on transmural distribution of blood flow in the left ventricle after partial coronary artery occlusion was investigated using two independent methods. (jci.org)
  • Methods: In vitro reactivity of preconstricted coronary arterial rings was studied in control dogs (group 1), and dogs in which the left circumflex coronary artery was subjected in vivo to four acute occlusions of 5 min duration, with three intervening reperfusion periods of 5 min and a final reperfusion period of 60 min (group 2). (eurekamag.com)
  • Atherosclerosis is the build-up of fat and other substances within blood vessels. (cochrane.org)
  • CTO, which is present in one third of patients with coronary diseases, is the end stage of coronary artery atherosclerosis [ 8 ]. (biomedcentral.com)
  • The manifesto also contains rules to diagnose acute MI in certain categories of patients, such as patients with left bundle branch block (LBBB), left ventricular paced rhythm, terminal QRS distortion, normal ST-elevation vs. left anterior descending artery (LAD) occlusion, anterior ventricular aneurysm vs. acute MI, ST depression in aVL. (iem-student.org)
  • STEMI as a category can miss 30% of occlusion MI up to 50% in left circumflex, and NSTEMI was only associated with total MI in a quarter of cases. (iem-student.org)
  • The left circumflex coronary artery aneurysm was attributed to this diagnosis. (medscape.com)
  • This analysis included ACS patients with either ST- or Non-ST-Segment Elevation (STE-ACS or NSTE-ACS) subtype, who had angiographic evidence of coronary occlusion (≥50% narrowing in at least one main coronary artery). (pitt.edu)
  • Continuous suction of blood from the left ventricle and non-pulsatile flow into the ascending aorta resulted in a continuously closed aortic valve and stagnation of blood in the coronary cusp. (fujita-hu.ac.jp)
  • Coronary sinus, normally located between the LEFT ATRIUM and LEFT VENTRICLE on the posterior surface of the heart, can serve as an anatomical reference for cardiac procedures. (bvsalud.org)
  • Patients who will experience little benefit from coronary revascularization are also excluded. (medscape.com)
  • New cardiac CT techniques can assess coronary artery inflammation by imaging perivascular fat, and this may represent an important step forward in identifying the 'residual risk' that is not detected by plaque or ischaemia imaging. (bmj.com)
  • Plaque may completely block a coronary artery, or it may lead to a blood clot that blocks an artery. (howstuffworks.com)
  • During plaque development many proangiogenic pathways are reactivated and this leads to formation of immature blood vessels prone to rupture [ 7 ]. (hindawi.com)
  • Reference vessel diameter =2 mm. (who.int)
  • The "holy grail" of modern interventional cardiology is the salvage of viable myocardial tissue in the distribution of an acutely occluded coronary artery. (eurekaselect.com)
  • In this study, we aim to define the role of endothelin in regulating coronary microvascular blood flow and myocardial perfusion following PCI in patients with non-ST elevation acute coronary syndromes (NSTACS), by assessing whether adjunctive therapy with a selective endothelin A (ET A ) receptor antagonist acutely improves postprocedural coronary microvascular blood flow. (bmj.com)
  • Post-PCI coronary microvascular blood flow and myocardial perfusion were assessed by measuring Doppler-derived average peak velocity (APV), and cardiac biomarker levels were quantified. (bmj.com)
  • Given the patient's history of recurrent sinusitis, asthma, eosinophilia, and coronary aneurysms, we diagnosed eosinophilic granulomatosis with polyangiitis ( Churg-Strauss syndrome , CSS) and cardiac involvement, and recommended high-dose corticosteroid treatment. (medscape.com)
  • An independent reviewer abstracted clinical data on location of the culprit vessel(s) and severity of coronary occlusion reports. (pitt.edu)
  • The status of the coronary collaterals has also been shown to be influenced by the presence of diabetes mellitus. (wikipedia.org)
  • The native collaterals are small vessels, with a narrow endothelial lining, a layer or two of smooth muscle, and a variable amount of elastic tissue. (wikipedia.org)
  • Large vessel occlusion (LVO) is associated with poor functional outcome in acute ischemic stroke. (nih.gov)
  • In 16 open chest, anesthetized dogs, tubing supplying the cannulated left coronary artery was partially occluded. (jci.org)
  • Although coronary embolism was performed because her chest pain tral prosthetic valve. (who.int)
  • Does large vessel occlusion affect clinical outcome in stroke with mild neurologic deficits after intravenous thrombolysis? (nih.gov)
  • Subsequent stent restenosis or occlusion may require repeat catheter-based treatments (including balloon dilatation) of the arterial segment containing the stent. (medtronic.com)
  • ed about warfarin and possible adverse that coronary embolism occurs in the We administered unfractionized reactions with other drugs and followed left coronary artery in 75% of cases and heparin and tirofiban (glycoprotein regularly. (who.int)
  • The functional significance of the coronary collateral vessels is a matter of continuing experimental investigation although their existence has been known for over three centuries and been documented repeatedly in man and beast over the past seven decades. (wikipedia.org)
  • This is initiated by deformation of the endothelial cells through increased pulsatile fluid shear stress (FSS) caused by the steep pressure gradient between the high pre-occlusive and the very low post-occlusive pressure regions that are interconnected by collateral vessels. (wikipedia.org)
  • Due to the size and relative stiffness of the guiding catheters, extreme care must be taken to avoid damage to the wall of the vessels through which this catheter passes. (medtronic.com)
  • Due to the size of the non-tapered tip, this catheter may occlude smaller vessels. (medtronic.com)
  • Inject slowly whenever attempting to opacify the vessels via this catheter. (medtronic.com)
  • Coronary collateralization exists latently in the normal heart. (wikipedia.org)
  • A heart attack usually happens because one or more of these vessels has become blocked. (howstuffworks.com)
  • Autopsy revealed necrotizing vasculitis involving pericardial and intramyocardial vessels, as well as eosinophilic and giant cell inflammation of the heart and lungs, supporting the diagnosis of CSS. (medscape.com)
  • Subjects with prior coronary artery spams or prior heart valve replacement. (who.int)
  • CSS is a rare form of systemic vasculitis characterized clinically by asthma, hypereosinophilia, and vasculitis, and pathologically by extravascular granulomas and necrotizing vasculitis of small vessels. (medscape.com)