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Background: Electron beam CT (EBCT)-determined calcium scores (CAC) are related to the severity of CAD. Metabolic syndrome X (central obesity, insulin resistance, low HDL-C, hypertension) is common in people with CAD, but its association with CAC is unknown.Methods: The relationship of CAC to the following parameters was assessed in 150 asymptomatic non-diabetic subjects: Serum lipid concentrations;...
In order to determine the intermediate term prognostic accuracy of EBCT as a screening test for coronary artery disease, we queried 1173 initially asymptomatic adults 3.6 years (range 38 to 47 months) after scanning. 1136 (97%) replied; efforts to contact the missing subjects remain under way.At the time of scanning, mean age was 53 +/- 11 years and median (25%, 75%) coronary calcium score (CCS)...
Purpose: Electron Beam CT-determined coronary artery calcium scores (CAC) accurately predict coronary arteries' plaque mass, coronary arteries obstruction, and subsequent CHD events in people without prior history or symptoms of CHD. We investigated the relationship of CAC to metabolic CHD risk factors in 150 non-diabetic subjects without history/symptoms of CHD who are enrolled in the St. Francis...
Background: Fear of infection limits the willingness of laymen to do cardiopulmonary resuscitation (CPR). This study assessed the time course of change in arterial blood gases during resuscitation with only chest compression (no ventilation) in an effort to identify the time for which ventilation could be deferred. Methods and Results: Aortic pressures and arterial blood gases were monitored in...
To determine the anti-ischemic mechanism of intermittent occlusion of the coronary sinus (ICSO), the authors measured coronary arterial and sinus pressure and coronary arterial oxygen saturation before and after coronary artery litigation, with and without ICSO. In dogs, ICSO produced a systolic pressure gradient between the coronary artery and coronary sinus of -20+or-9 mm Hg (higher venous pressure,...
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