نتایج جستجو برای: physiologic trachea aorta mitral valve
تعداد نتایج: 189668 فیلتر نتایج به سال:
Six patients with early systolic closure of the aortic valve are described with mitral regurgitation, double outlet right ventricle, left ventricular diverticulum, congestive cardiomyopathy, Eisenmenger ventricular septal defect, and aortic regurgitation with an aneurysmal ascending aorta, respectively. None had evidence of subaortic stenosis. Early sytolic closure of the aortic valve is thus n...
OBJECTIVE To investigate the relation between plasma concentrations of immunoreactive endothelin and haemodynamic variables before and after percutaneous transvenous balloon dilatation of the mitral valve. DESIGN Prospective study. SETTING National cardiovascular centre. PATIENTS 25 patients with mitral stenosis and 26 healthy volunteers. MAIN OUTCOME MEASURES Plasma concentrations of i...
BACKGROUND To date, the surgical approach is the only option to replace the aortic valve. Percutaneous pulmonary valve replacement has recently opened new perspectives on transcatheter replacement of cardiac valves. We report our experience of aortic valve replacement through a percutaneous technique in lambs. METHODS AND RESULTS A bovine jugular vein containing a valve was dissected and sutu...
Background and purpose: Mitral valve prolapse is a common finding in different age groups that is often without any sign but sometimes accompanied by chest pain, panic and anxiety attacks. Although these symptoms are less prevalent in children, but their identification, to some extent, can help in preventing them. The aim of this study was to determine the prevalence of mitral valve prolapse in...
INTRODUCTION A parachute mitral valve is defined as a unifocal attachment of mitral valve chordae tendineae independent of the number of papillary muscles. Data from the literature suggests that the valve can be distinguished on the basis of morphological features as either a parachute-like asymmetrical mitral valve or a true parachute mitral valve. A parachute-like asymmetrical mitral valve ha...
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The authors present a case of echocardiographic diagnosis of supravalvar mitral ring (a fibromembranous structure that arose from the atrial surface of the mitral leaflets) in a child with a parachute mitral valve, a ventricular septal defect, and mild narrowing of the aortic isthmus. The supravalvar mitral stenosis is a typical but very infrequently detected element of the complex of anatomica...
INTRODUCTION In this article we would like to make an institutional report and our early experience in video-assisted right minithoracotomy approach for mitral valve surgery. CASE REPORT Surgical technique include mitral valve repair or replacement through right lateral minithoracotomy, percutaneous cannulation for venous drainage and optional femoral or distal ascendant aortic cannulation fo...
OBJECTIVES Anatomical repair seems an ideal method for the surgical treatment of the anomalous left coronary artery arising from the pulmonary artery (ALCAPA) in infancy. The medium-term outcome has been investigated for infants with ALCAPA following the restoration of a dual-coronary arterial circulation. METHODS Between April 1995 and July 2012, 23 infants with a median age of 4 months unde...
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