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Background: Most clinical outcome studies of pts with infective endocarditis (IE) have been performed retrospectively. The goal of this study was to prospectively follow pts with IE to evaluate determinants of clinical outcome.Methods: Between 597 and 597, 581 consecutive pts were screened for IE, and 63 pts (mean age 56 +/- 15, 49% male) met Duke criteria for IE (23 ''definite'' and 40 ''possible'')...
We studied the capability of real-time 3D echocardiography for evaluating RV and LV volumes in 8 juvenile sheep which had undergone pulmonary valvulectomy, 4 of whom also had atrial septal defects. 3D echo calculated RV and LV ventricular stroke volumes (SV's) were compared to simultaneous determinations using Ao and Pa electromagnetic flow meters balanced against each other. Improved imaging on...
Background: We have shown that digital echo (DE) is a reliable substitute for videotape (VT) to assess LVEF and to detect wall motion abnormalities (WMA). To evaluate the effect of cardiac rhythm on the interpretation of DE, we evaluated 126 pts with known or suspected cardiac disease; 96 in sinus rhythm (SR), 30 in atrial fibrillation (AF).Methods: Images of the 4 standard views with and without...
Background: On the hypothesis that real-time 3D (RT3D) echo can provide unique views of structural anatomy over standard 2D echo, we evaluated 25 pts with known ventricular outflow tract anomalies.Methods: Pts (ages 3 d-15 yrs with weights 2.5-53 kgs) were scanned without sedation from the parasternal, apical, and sub-costal windows. The Duke RT3D system uses a matrix phased array transducer (2.5-5...
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