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To assess left ventricular (LV) function in diabetes mellitus, M-mode echocardiograms were recorded in 36 insulin-treated diabetic women, mean age 25 +/- 6 (SD) years, and 13 healthy women of the same age. Echocardiographic tracings of the septum and LV posterior wall were digitized and continuous plots were made of LV dimension and its rate of change. The pattern of LV filling was abnormal in 19 diabetics, when the mean value +/- 2 SD in the healthy women was taken as the normal range of the indices. The most common abnormality was a prolonged rapid filling period. The LV systolic function was normal in all diabetics. Diabetics with severe microvascular complications had thicker LV walls (p less than 0.05) and smaller LV end-diastolic diameters and stroke volumes (p less than 0.01) than the healthy women. The electrocardiographic voltage was lower in the diabetic group (p less than 0.05). These studies suggest that minor abnormalities in LV function reflecting stiffness of the myocardium are common in young female diabetics, a patient group with a relatively low prevalence of coronary artery disease.
Airaksinen et al. (Thu,) studied this question.