PREDICTION OF INCIPIENT LEFT VENTRICULAR DYSFUNCTION IN PATIENTS WITH CHRONIC PRIMARY MITRAL REGURGITATION: A VELOCITY VECTOR IMAGING STUDY
نویسندگان
چکیده
منابع مشابه
Left atrial mechanical functions in chronic primary mitral regurgitation patients: a velocity vector imaging-based study
INTRODUCTION Assessment of the left atrium (LA) mechanical function provides further information on the level of cardiac compensation. We aimed to evaluate LA function using a strain imaging method: velocity vector imaging (VVI) in chronic primary mitral regurgitation (MR). MATERIAL AND METHODS We recruited 48 patients with chronic, isolated, moderate to severe MR (54.70 ±15.35 years and 56% ...
متن کاملassessment of subclinical left ventricular dysfunction in patients with chronic mitral regurgitation using torsional parameters described by tissue doppler imaging
background: left ventricular (lv) twist is due to oppositely directed apical and basal rotation and has been proposed as a sensitive marker of lv function. we sought to assess the impact of chronic pure mitral regurgitation (mr) on the torsional mechanics of the left human ventricle using tissue doppler imaging. methods: nineteen severe mr patients with a normal lv ejection fraction and 16 non-...
متن کاملAssessment of Subclinical Left Ventricular Dysfunction in Patients with Chronic Mitral Regurgitation Using Torsional Parameters Described by Tissue Doppler Imaging
BACKGROUND Left ventricular (LV) twist is due to oppositely directed apical and basal rotation and has been proposed as a sensitive marker of LV function. We sought to assess the impact of chronic pure mitral regurgitation (MR) on the torsional mechanics of the left human ventricle using tissue Doppler imaging. METHODS Nineteen severe MR patients with a normal LV ejection fraction and 16 non-...
متن کاملIs mitral valve repair superior to replacement for chronic ischemic mitral regurgitation with left ventricular dysfunction?
BACKGROUND This study was undertaken to compare mitral valve repair and replacement as treatments for ischemic mitral regurgitation (IMR) with left ventricular dysfunction (LVD). Specifically, we sought to determine whether the choice of mitral valve procedure affected survival, and discover which patients were predicted to benefit from mitral valve repair and which from replacement. METHODS ...
متن کاملMechanisms and clinical implications of asymptomatic mitral regurgitation in patients with left ventricular dysfunction.
BACKGROUND Functional mitral regurgitation (MR) is common in patients with chronic heart failure (CHF). During exercise, hemodynamic changes such as elevation of blood pressure and an increase in the left ventricular end-diastolic dimension may increase MR. Severity of CHF is reflected by exercise tolerance and, therefore, MR during exercise is supposed to indicate the severity of heart failure...
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ژورنال
عنوان ژورنال: Journal of the American College of Cardiology
سال: 2011
ISSN: 0735-1097
DOI: 10.1016/s0735-1097(11)61405-8