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We studied the effects of volume loading on left ventricular isovolumic relaxation rate in 16 intact anesthetized dogs. End-diastolic pressure, mean aortic systolic pressure, dp/dtmnx, and heart rate were measured at end expiration and end inspiration. Volume loading to approximately 5, 10, 15, and 20 mm Hg above initial end-diastolic pressure was(More)
OBJECTIVE The objective was to determine whether, when compared with traditional dietary advancement, early oral intake following major gynecologic surgery leads to a reduction in the length of hospitalization. METHODS Patients undergoing major abdominal gynecologic surgery were invited to participate in this study. After informed consent was obtained,(More)
Hemorrhagic shock has been shown to alter bone marrow (BM) myelopoiesis. Isolated hemorrhagic shock is uncommon after trauma and the combined effect of tissue injury and shock on myelopoiesis is unknown. We studied the growth of BM granulocyte-macrophage colony forming units (CFU-GM) following shock and soft tissue injury. Rats were anesthetized and(More)
Visualization of the coronary arteries during all phases of percutaneous transluminal coronary angioplasty using hand-held contrast media injection devices is suboptimal. Power injection of contrast media for diagnostic coronary cineangiography has been performed in over 18,000 cases without power injector complication. Here we report our experience with(More)
No approach to describing the heart's dynamic geometry has been widely adopted, probably because all require questionable assumptions of chamber shape, symmetry, or placement of the measuring devices. In other words, these approaches require assumptions about shape to reach conclusions about shape. We present an analysis that avoids such assumptions and(More)
BACKGROUND The predictive value of coronary computed tomographic angiography (cCTA) in subjects without chest pain syndrome (CPS) has not been established. We investigated the prognostic value of coronary artery disease detection by cCTA and determined the incremental risk stratification benefit of cCTA findings compared with clinical risk factor scoring(More)
OBJECTIVES The aim of this study was to analyze the predictive value of coronary computed tomography angiography (CCTA) and to model and validate an optimized score for prognosis of 2-year survival on the basis of a patient population with suspected coronary artery disease (CAD). BACKGROUND Coronary computed tomography angiography carries important(More)
An anomalous left main coronary artery with passage between the right ventricular infundibulum and aortic root has been incriminated as the causation of sudden death in a small number of individuals, many of whom are quite young. Mechanical features such as angulation and compression are most often incriminated. A 59-year-old man with such a coronary(More)
Endocardial markers implanted by catheter have been used to estimate the left ventricular volume by outlining the ventricle in orthogonal planes. However, if the position of the ventricle with respect to the biplane radiographic system changes, the projected outlines formed by the markers will narrow and the calculated volume will decrease. Therefore, a(More)
Changes in left ventricular systolic and diastolic function and outflow gradient were evaluated in patients with obstructive hypertrophic cardiomyopathy after intravenous acute treatment with verapamil (15 patients) and after six months of oral chronic treatment (11 patients). All patients had severe symptoms despite beta blockade, and the condition of all(More)