• One or two of the aortic cusps may be seen to be protruding through the defect into the right ventricular outflow tract. (medscape.com)
  • The gold standard method for measuring direct, real-time complete cardiac function, particularly myocardial contractility measurements, PV loops can be generated by plotting real-time left or right ventricular pressure against ventricular volume during a complete cardiac cycle. (adinstruments.com)
  • Left and right ventricular systolic function remained stationary. (ox.ac.uk)
  • Assessment of left ventricular diastolic function is useful in risk stratification for patients with cardiovascular disease and can provide a diagnostic clue for heart failure with preserved ejection fraction. (medsci.org)
  • To determine prospectively whether the severity of reversible left ventricular ischemia provides prognostic information in mildly symptomatic patients with coronary-artery disease and preserved left ventricular function at rest (ejection fraction greater than 40 percent), we studied 117 patients by means of exercise electrocardiography and radionuclide angiography. (northwestern.edu)
  • Left bundle branch area pacing (LBBAP) is a safe and effective alternative to biventricular pacing (BVP) for patients undergoing cardiac resynchronization therapy (CRT) to treat reduced left ventricular ejection fraction (LVEF), heart failure and wide QRS or expected frequent ventricular pacing, according to a late-breaking clinical trial presented during Heart Rhythm 2023 and simultaneously published May 21 in JACC . (acc.org)
  • Scholars@Duke publication: Impaired left ventricular global longitudinal strain in patients with heart failure with preserved ejection fraction: insights from the RELAX trial. (duke.edu)
  • BACKGROUND: While abnormal left ventricular (LV) global longitudinal strain (GLS) has been described in patients with heart failure with preserved ejection fraction (HFpEF), its prevalence and clinical significance are poorly understood. (duke.edu)
  • Mottram, Phillip M. / Echocardiographic quantification of left ventricular systolic function . (monash.edu)
  • BACKGROUND: To investigate the utility of three-dimensional guide-point modeling (GPM) to reduce the time required for CMR evaluation of global cardiac function in mice, by reducing the number of image slices required for accurate quantification of left-ventricular (LV) mass and volumes. (ox.ac.uk)
  • Fully automated quantification of left ventricular volumes and function in cardiac MRI: clinical evaluation of a deep learning-based algorithm. (cdc.gov)
  • The association between increased arterial stiffness and left ventricular diastolic dysfunction (LVDD) may be influenced by left ventricular performance. (medsci.org)
  • brachial-ankle pulse wave velocity, P wave dispersion, left ventricular diastolic dysfunction. (medsci.org)
  • The cardiac mortality and morbidity were increased in heart failure patients with left ventricular diastolic dysfunction (LVDD) [ 1 , 2 ]. (medsci.org)
  • Left ventricular (LV) diastolic dysfunction is known as an early marker of myocardial alterations in patients with diabetes. (biomedcentral.com)
  • Because microvascular disease has been regarded as an important cause of heart failure or diastolic dysfunction in diabetic patients, we tested the hypothesis that coronary flow reserve (CFR), which reflects coronary microvascular function, is associated with LV diastolic dysfunction in patients with type 2 diabetes. (biomedcentral.com)
  • In the TTS patients, left ventricular function was assessed with echocardiography and cardiovascular magnetic resonance (CMR) imaging, and coronary atherosclerosis was visualized with intravascular ultrasound with near-infrared spectroscopy (IVUS-NIRS). (lu.se)
  • Ventricular septal defect (VSD) as seen by means of color Doppler echocardiography. (medscape.com)
  • They then seek to validate the model predictions using human, in vivo physiologic measurements of pressures (high fidelity transducers) and flows (echocardiography) of masses and volumes of heart chambers (cardiac MRI). (wikipedia.org)
  • Transthoracic Doppler echocardiography was performed that included pulsed tissue Doppler of the mitral annulus and CFR of the left anterior descending artery (induced by adenosine 0.14 mg/kg/min). (biomedcentral.com)
  • Therefore, we tested the hypothesis that CFR assessed by transthoracic echocardiography is associated with LV diastolic function in patients with type 2 diabetes without a history of heart failure. (biomedcentral.com)
  • Based on these findings, we diagnosed the patient as a case of MM. Echocardiography revealed right heart enlargement, pulmonary hypertension, left ventricular hypertrophy, and thickening of the main pulmonary artery and its branches. (biomedcentral.com)
  • 11) Assessment of systolic left ventricular function: a multi-centre comparison of cineventriculography, cardiac magnetic resonance imaging, unenhanced and contrast-enhanced echocardiography. (bracco.com)
  • To assess the relation between reduction of stenosis severity and improvement in diastolic function in this setting, 42 patients with either unstable angina (n = 22) or post-AMI ischemia (n = 20) were serially monitored by Doppler echocardiography 8 ± 5 hours before and 2 ± 1 days after PTCA. (psu.edu)
  • and St. Louis, Missouri 2016, ' Recommendations for the Evaluation of Left Ventricular Diastolic Function by Echocardiography: An Update from the American Society of Echocardiography and the European Association of Cardiovascular Imaging ', European Heart Journal Cardiovascular Imaging , vol. 17, no. 12, pp. 1321-1360. (houstonmethodist.org)
  • Lee, KW , Jolly, C & Lip, G 2004, ' The effect of hospital-based versus home-based cardiac rehabilitation programmes on left ventricular diastolic function in patients with coronary heart disease ', European Journal of Cardiovascular Prevention & Rehabilitation , vol. 11, pp. 94. (birmingham.ac.uk)
  • Urine albumin/creatinine ratio and echocardiographic left ventricular structure and function in hypertensive patients with electrocardiographic left ventricular hypertrophy: the LIFE study. (nih.gov)
  • The urine albumin/creatinine ratio (UACR) and echocardiographic measures of LV structure and function were obtained in 833 patients with stage I to III hypertension and LV hypertrophy determined by electrocardiogram (ECG) (Cornell voltage-duration or Sokolow-Lyon voltage criteria) after 14 days of placebo treatment. (nih.gov)
  • We report a Chinese man with MM accompanied with both acute right heart failure and left ventricular hypertrophy. (biomedcentral.com)
  • This is the first report of reversible cardiac function impairment and left ventricular hypertrophy in a case of adult-onset MM, nocturnal hypoxia is a potential mechanism for left ventricular hypertrophy in patients with MM. (biomedcentral.com)
  • Here we report a case of MM which presented with reversible cardiac function impairment and left ventricular hypertrophy. (biomedcentral.com)
  • A ventricular septal defect (VSD) is a defect in the interventricular septum, which is composed of muscular and membranous segments. (medscape.com)
  • The clinical presentation of patients with a ventricular septal defect varies according to the size of the defect and the pulmonary blood flow and pressure. (medscape.com)
  • The 2D echocardiogram shows the position and size of the ventricular septal defect. (medscape.com)
  • [ 1 ] In this report, Muller and Danimann described palliation by the "creation of pulmonary stenosis" in a 5-month-old infant who had a large ventricular septal defect (VSD) and pulmonary overcirculation. (medscape.com)
  • A transesophageal echocardiogram was performed, showing an interatrial tipo ostium ostium secundum atrial septal defect and severe pulmonary arterial hypertension with a right-left shunt. (bvsalud.org)
  • pulmonary circulation as a ventricular septal search, writing, revising and defect and atrial septal defect.1 editing. (bvsalud.org)
  • Albuminuria, reflecting systemic microvascular damage, and left ventricular (LV) geometric abnormalities have both been shown to predict increased cardiovascular morbidity and mortality. (nih.gov)
  • Combination of increased left atrial size, septal E/E′, and lack of A wave and presence of mid-diastolic L′-wave are the noted abnormalities in this group. (elsevierpure.com)
  • 0.0001).Conclusion Left ventricular functions and mass of adolescentsand young adults with TM show abnormalities. (ui.ac.id)
  • Retrospective review of institutional clinical database for the period of 2002-2010 was performed to identify patients with RCM who had had a comprehensive echocardiographic assessment of diastolic function. (elsevierpure.com)
  • Before PTCA, both groups exhibited abnormal diastolic function demonstrated by prolonged isovolumic relaxation time and mitral deceleration time, decreased E A ratio and increased atrial filling fraction. (psu.edu)
  • Patients who experienced arrhythmia during HD had higher left ventricular mass and left ventricular mass index, lower post-dialysis K+ level, higher QTc and QTdc both before and after HD. (who.int)
  • ST-segment depression was significantly related to ventricular arrhythmia. (who.int)
  • Additional insight into the physiology of diastole has been achieved by the recognition that hydraulic forces, generated by the time varying cross sectional area difference between the left atrium and left ventricle, play a role in longitudinal volume accommodation by the ventricle. (wikipedia.org)
  • The clinical significance of the VSD depends on its size and location, the level of pulmonary pressure, and the left ventricular (LV) outflow resistance associated with the VSD. (medscape.com)
  • In contrast, a large VSD may progressively lead to higher pulmonary resistance and, finally, to irreversible pulmonary vascular changes, producing the so-called Eisenmenger syndrome (reversal of shunt to right-to-left shunt). (medscape.com)
  • In large VSDs, the chest radiograph shows gross cardiomegaly with prominence of both ventricles, the left atrium, and the pulmonary artery. (medscape.com)
  • Transthoracic echocardiograph and pulmonary artery catheterization showed normal left ventricular function. (cdc.gov)
  • It helps the cardiologist determine the size and shape of the heart's chambers and evaluate their function as well as the function of the tricuspid and pulmonary valves. (medlineplus.gov)
  • His recent experience with HF patients implanted with a pulmonary-artery pressure monitor, he said, suggests many who received standard volume-overload therapy had actually been normo- or hypovolemic. (medscape.com)
  • This technique was widely used in the past as an initial surgical intervention for infants born with cardiac defects characterized by left-to-right shunting and pulmonary overcirculation. (medscape.com)
  • Congenital heart defects with left-to-right shunting and unrestricted pulmonary blood flow (PBF) due to a drop in pulmonary vascular resistance result in pulmonary overcirculation. (medscape.com)
  • Our aims were (i) to evaluate and compare levels of CMD in patients with TTS and patients with ischaemia and no obstructive coronary arteries (INOCA) and (ii) to investigate associations between CMD and clinical parameters, left ventricular function, and coronary atherosclerosis in TTS. (lu.se)
  • Scatterplots and Bland-Altman plots for left ventricular parameters measured with CMR and PET. (snmjournals.org)
  • the absence of encephalopathy and ascites and the normality of coagulation parameters and of albumin led to classify the patient into the functional class Child-Pugh A. The patients was successfully treated with sorafenib at the reduced daily dose of 400 mg for long-time without any worsening of heart function. (biomedcentral.com)
  • The presented case can offer to oncologists a clinical support to take into consideration when deciding to treat with sorafenib advanced hepatocellular carcinoma patients presenting with serious impairment of cardiac function that are usually excluded from an active treatment. (biomedcentral.com)
  • The distribution of LV GLS and its associations with clinical characteristics, LV structure and function, biomarkers, exercise capacity and quality of life were assessed. (duke.edu)
  • Among its many applications the PDF formalism led to solution of the long sought 'load-independent index of diastolic function' (LIIDF) problem, and to the realization that left ventricular volume at diastasis is the in vivo equilibrium volume of the left ventricle. (wikipedia.org)
  • Right heart ventricular angiography is a test that images the right chambers (atrium and ventricle) of the heart. (medlineplus.gov)
  • More recently, PAB has played a role in the preparation and "training" of the left ventricle (LV) in patients with dextro-transposition of the great arteries (d-TGA) who are evaluated for a delayed arterial switch procedure. (medscape.com)
  • Mitral regurgitation (MR) is caused by the retrograde flow of blood from the left ventricle (LV) into the left atrium (LA) through the mitral valve (MV), causing a systolic murmur heard best at the apex of the heart with radiation to the left axilla. (nih.gov)
  • No patient had stenosis of the left main coronary artery. (northwestern.edu)
  • METHODS: Five female C57Bl/6 mice 8 weeks post myocardial infarction induced by permanent occlusion of the left coronary artery, and six male control (un-operated) C57Bl/6 mice, were subject to CMR examination under isoflurane anaesthesia. (ox.ac.uk)
  • These findings suggest that subclinical left ventricular intolerance for volume overload, probably because of the smaller LVEDD, may exist during pregnancy in patients with a repaired ToF. (nih.gov)
  • However, the underlying mechanisms are not clear, and data on the relations of polyunsaturated fatty acids to subclinical disease measures such as vascular stiffness and cardiac function are sparse and inconclusive. (elsevierpure.com)
  • CFR and RRR correlated inversely with CMR-derived end-diastolic volume index, end-systolic volume index, and left ventricular mass index. (lu.se)
  • On the heart, iron can induce cardiomyopathy, theleading cause of death in TM.Objective To evaluate left ventricular functions and mass amongadolescents and young adults with TM.Methods A cross-sectional study was conducted on 58 patientswith TM in Cipto Mangunkusumo Hospital, Jakarta. (ui.ac.id)
  • Using a mathematical model of the heart to interpolate information between the available slices, GPM LV mass and volumes were determined using full slice (all SAX and two LAX), six slice (four SAX and two LAX) and four slice (two SAX and two LAX) analysis protocols. (ox.ac.uk)
  • No significant differences were found in left ventricular mass and volumes between the standard and GPM full and six slice protocols in infarcted mice (113±10, 116±11, and 117±11 mg respectively for mass), or between the standard and GPM full, six and four slice protocols in control mice, (105±14, 106±10, 104±12, and 105±7 mg respectively for mass). (ox.ac.uk)
  • The effect of percutaneous transluminal coronary angioplasty (PTCA) on left ventricular (LV) diastolic function has not been systematically investigated in patients treated for unstable angina or ischemia after acute myocardial infarction (AMI). (psu.edu)
  • Providing instant cardiovascular function feedback based on morphology, position and timing of the loop, ventricular pressure volume is the only research technique that provides you full diastolic analysis and allows you to vary the load and measure beat-to-beat response of that changing load in cardiac performance. (adinstruments.com)
  • Coronary microvascular function was quantified invasively using the index of microcirculatory resistance (IMR), coronary flow reserve (CFR), and resistive reserve. (lu.se)
  • In a large community-based cohort, we examined the relations of omega-3 and other fatty acids to a comprehensive panel of vascular function measures (assessing microvascular function and large artery stiffness), cardiac structure and left ventricular function. (elsevierpure.com)
  • In age- and sex-adjusted models, higher RBC omega-3 content was moderately associated (p≤0.002) with several measures of vascular stiffness and function in a protective direction. (elsevierpure.com)
  • We report the case of a 74-year-old patient affected by advanced multifocal HCV-cirrhosis related hepatocellular carcinoma and severe post-ischemic fall of left-ventricular function with serious risk of cardiac functional impairment. (biomedcentral.com)
  • Machine learning approach in diagnosing Takotsubo cardiomyopathy: The role of the combined evaluation of atrial and ventricular strain, and parametric mapping. (cdc.gov)
  • Investigators at the Karolinska Institutet have made free software available, called Echo E-waves at www.echoewaves.org that facilitates rapid PDF formalism based assessment of diastolic function. (wikipedia.org)
  • The aim of this study was to investigate the applicability of current diastolic indices used for assessment of diastolic function in adults as reliable indicators of DD in children with established RCM. (elsevierpure.com)
  • We report the case of a patient affected by advanced hepatocellular carcinoma and serious impairment of cardiac function treated with sorafenib without any worsening of heart function. (biomedcentral.com)
  • In defects of the membranous septum, a thin membrane may partially cover the defect and limit the volume of the left-to-right shunt. (medscape.com)
  • abstract = "We tested the hypothesis that deletion of adenylyl cyclase type V(ACV) would be associated with decreased left ventricular (LV) contractile function and responsiveness to β-adrenergic receptor (βAR) stimulation. (ewha.ac.kr)
  • Each entry includes the title of the article, author(s), Journal title, year (date of publication), volume number, issue number, number of pages, number of references, subject descriptors, geographic descriptors and abstract has been added and is searchable on the database on the Internet. (who.int)
  • Little is known about the influence of hemodynamic changes on ventricular performance during pregnancy in patients with congenital heart disease. (nih.gov)
  • The Kovács research group is primarily a theory group which has pioneered conceptual frameworks for analyzing diastole by incorporating and kinematically modeling the suction pump role of the heart, and the dynamics of the four-chambered heart in the space of coordinates spanned by P (pressure), V (volume), and their time rates of change dP/dt and dV/dt. (wikipedia.org)
  • We sought to determine if left ventricular (LV) function of the heart from the adult, chronically obese animal is impaired. (edu.au)
  • This diminished ability to develop systolic stress from the same end-diastolic volumes suggests that the hypertrophied LV of the middle-aged obese rat's heart is dilated or that its contractility is depressed, or both. (edu.au)
  • This test may be combined with coronary angiography and left heart catheterization. (medlineplus.gov)
  • The unilateral SAVM procedure appears to attenuate sympathetically mediated splanchnic volume redistribution to the heart and lungs, but as it doesn't affect the left GSN, preserves some normal sympathetic response. (medscape.com)
  • The inotropic effects occur via extracellular fluid volume augmentation and an increase in heart rate and contractility. (medscape.com)
  • This study is designed to compare left ventricular diastolic function among patients divided by brachial-ankle pulse wave velocity (baPWV) and corrected P wave dispersion (PWDC) and assess whether the combination of baPWV and PWDC can predict LVDD more accurately. (medsci.org)
  • The ratio of mitral velocity to early diastolic velocity of the mitral annulus (E/e′) was used as a surrogate marker of diastolic function. (biomedcentral.com)
  • In addition, blood viscosity, vascular wall shear conditions (rate and stress), and blood flow velocity (mean and pulsatile components) have potential relevance with regard to the regulation of BP in humans by vascular and endothelial function. (medscape.com)
  • Millar Pressure-Volume (PV) catheters have revolutionized cardiovascular research in small animals. (adinstruments.com)
  • Here below we report a case of a patient with multifocal HCC HCV-cirrhosis related who, notwithstanding the presence of a series of cardiovascular alterations, has been successfully treated with sorafenib without any further significant worsening of the cardiovascular function. (biomedcentral.com)
  • Objectives: The aim of this study was to investigate the prognostic value of stress cardiac magnetic resonance imaging (CMR) in patients with reduced left ventricular (LV) systolic function. (uky.edu)
  • The open-label experience has launched a randomized trial, featuring a sham control group, that could ultimately challenge dogma about volume overload in patients with chronic and acute HF and the perceived essential role of diuretics. (medscape.com)
  • Splanchnic-nerve blockade as a possible HF treatment is based on growing evidence that volume overload in patients with HF is not always the cause, at least not a main cause, of congestion and dyspnea. (medscape.com)
  • In other words, what might seem like classic volume overload calling for diuresis often might actually be euvolemic redistribution of fluid from the abdomen to the chest, raising intracardiac pressures and causing dyspnea. (medscape.com)
  • So there is a significant portion of the population that has pathological processes leading to high pressures, but it's not volume overload. (medscape.com)
  • Methods This multicentre, observational study enrolled 72 patients with AC, including right, left and biventricular forms of the disease, with underlying desmosomal and non-desmosomal mutations. (bmj.com)
  • Please specify a volume, issue and page OR a volume and page. (go.jp)
  • Objective To investigate the association of accelerometer-measured lifestyle physical activity with rapid-rate non-sustained ventricular tachycardias (RR-NSVTs) in patients with arrhythmogenic cardiomyopathy (AC). (bmj.com)
  • These findings suggest that poor LV compliance is the hallmark of restrictive cardiomyopathy in children even in the presence of normal early relaxation and ventricular filling. (elsevierpure.com)
  • Screening patients by means of baPWV and PWDC might help identify the high risk group of elevated left ventricular filling pressure and LVDD. (medsci.org)
  • Changes in ventricular function for both normal and diseased conditions can be studied through analysis of ventricular pressure volume loops. (adinstruments.com)
  • We are proud to be exclusive global distributors of Millar Mikro-Tip® pressure catheters and associated hardware for ventricular pressure volume recording. (adinstruments.com)
  • ADInstruments has been working alongside surgical expert Prof. René Remie, to produce a series of step-by-step instructional videos that demonstrate common Pressure-Volume and Invasive Pressure catheterization procedures. (adinstruments.com)
  • Millar ultra-miniature small animal pressure-volume (PV) catheter suitable for rabbits/cats. (adinstruments.com)
  • The Ventri-Cath PV Loop catheters are multi-segment pressure-volume (PV) catheters for complete cardiac function assessment in continuously beating, intact hearts of large animals (including dog, pig and sheep). (adinstruments.com)
  • These ultra-miniature Polyimide Nylon catheters can measure both ventricular pressure and volume simultaneously and continuously from the intact beating hearts of rats. (adinstruments.com)
  • A distensible, fluid-filled balloon was placed in the LV, and pressure-volume (PV) relationships were obtained. (edu.au)
  • Ambulatory blood pressure, sympathetic activity, and left ventricular structureand function in middle-aged normotensive men with exaggerated blood pressure response to exercise. (medscimonit.com)
  • In the contemporary literature, there is a paucity of reports on cardiac structure and function in this rare disease. (biomedcentral.com)
  • The cardiac structure and function were restored at 1-month follow-up. (biomedcentral.com)
  • LAC was associated with inferior diastolic function: lower E/A ratio (p = 0.04) and higher E/e' ratio at baseline (p = 0.04) and increased left ventricular atrial volume index during follow-up (p = 0.01). (ox.ac.uk)
  • In addition, kinematic characterization of diastolic function has advanced understanding of form and function via the relationship of vortex formation and endocardial motion to achieve optimal volume pumping in diastole. (wikipedia.org)