نتایج جستجو برای: right ventricular systolic
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BACKGROUND Diabetes mellitus is capable of impairing the myocardial function. Several studies have documented the influential impact of diabetes mellitus on the left ventricular function. The right ventricular function plays a significant role in the overall myocardial contractility; hence, this study was undertaken to evaluate the effect of diabetes mellitus type II on the right ventricular fu...
BACKGROUND Subcostal planes allow demonstration of the entire right ventricular cavity and are frequently used in patients with congenital heart disease; however, their clinical utility in the evaluation of systemic right ventricular function after atrial switch procedure for complete transposition has never been verified in adolescent and adult patients. METHODS In unselected patients with s...
Scleroderma is a multi-systemic disease of the connective tissue, characterised by inflammatory alterations, occlusive microvascular lesions, and diverse forms of cutaneous and parenchymatous fibrosis. Although its pathogenesis is unsettled, various immune mechanisms have been implicated. Arthralgias, changes in oesophageal motility, spider veins, pulmonary fibrosis, and pulmonary arterial hype...
BACKGROUND AND OBJECTIVES Higher left ventricular volume is associated with death in patients with ESRD. This work investigated the effects of frequent hemodialysis on ventricular volumes and left ventricular remodeling. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS The Frequent Hemodialysis Network daily trial randomized 245 patients to 12 months of six times per week versus three times per ...
Background: Assessment of myocardial function is essential in heart disease, but in regard to systolic and diastolic functions such evaluation has limitation. Ejection fraction is difficult to assess in abnormally-shaped ventricles, and diastolic inflow velocity pattern may be fused because of tachycardia. Objective: A myocardial performance index (MPI) or Tei index has been developed for adult...
We evaluated the accuracy of a noninvasive method for estimating right ventricular systolic pressures in patients with tricuspid regurgitation detected by Doppler ultrasound. Of 62 patients with clinical signs of elevated right-sided pressures, 54 (87%) had jets of tricuspid regurgitation clearly recorded by continuous-wave Doppler ultrasound. By use of the maximum velocity (V) of the regurgita...
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