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Recent epidemiologic studies have suggested that cardiac disease in common in diabetics and may often have a noncoronary basis. To examine the status of the left ventricle, 17 adult-onset diabetics of familial type without hypertension or obesity underwent hemodynamic study and were compared to 9 controls of similar age. Of the 17, 12 subjects had no(More)
SUMMARY Previous studies relating systolic time intervals and measures of cardiac performance have suggested that the time intervals may be useful indices of myocardial contrac-tility. To explore this possibility, systolic times and left ventricular (LV) performance and contractility were measured nearly simultaneously in 14 normal subjects and 56 patients(More)
The effects of chronic tolbutamide treatment were examined in a diabetic animal model in which abnormal myocardial function and composition have previously been demonstrated. Eight diabetic dogs were given tolbutamide 250 mg/day orally and compared with seven untreated diabetics, five healthy dogs receiving tolbutamide, and eight normal controls. After one(More)
Abnormal cardiac muscle function has been reported in experimental diabetes mellitus from this laboratory. To examine left ventricular performance in diabetic patients without clinical evidence of myocardial ischemia or other cardiovascular disease, a noninvasive measurement of the systolic time intervals was carried out. Simultaneous recordings of the(More)
The widespread use of ethyl alcohol suggests its potential importance in clinical medicine. There is no proven therapeutic effect in cardiac patients and its role as an etiologic factor in heart disease has been disputed over the years and attributed to coexistent malnutrition. The latter factor, however, has been dissociated from ethanol use in many(More)
Myocardial cell pH was measured with 5, 5 dimethyl-2, 4-oxazolidinedione (DMO) in intact anesthetized dogs by a transient indicator dilution technique. Bolus injections of labeled DMO, vascular, extracellular and water indicators were made into the left anterior descending coronary artery, and blood samples were collected from the great cardiac vein. The(More)
Cardiomyopathy in alcoholics is considered to be associated with a low incidence of hepatic cirrhosis. To evaluate cardiac hemodynamics in alcoholic liver disease, left ventricular function in 37 patients with hepatic cirrhosis (group II) was compared with that in 13 normal subjects (group I) matched for age, sex and cardiac size. These groups were(More)