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  • Title: Left ventricular function in newly diagnosed non-insulin-dependent (type 2) diabetics evaluated by systolic time intervals and echocardiography.
    Author: Uusitupa M, Siitonen O, Pyörälä K, Länsimies E.
    Journal: Acta Med Scand; 1985; 217(4):379-88. PubMed ID: 4013829.
    Abstract:
    Systolic time intervals (STI) and echocardiography were recorded in 133 (70 men, 63 women) newly diagnosed non-insulin-dependent diabetics aged 45-64 years and in 144 (62 men, 82 women) non-diabetic control subjects of the same age. Both male and female diabetics had significantly increased pre-ejection period/left ventricular ejection time ratio (PEP/LVET) in STI as compared with the respective non-diabetic control subjects. Male diabetics showed a reduced ejection fraction (EF) in echocardiography, but no significant difference was found in this respect between female diabetics and controls. A significant negative correlation was found between 2-hour postglucose serum insulin level and EF in male and female diabetics. After adjusting for the effect of age, coronary heart disease, hypertension, obesity and haemoglobin concentration, male diabetics still had a higher PEP/LVET ratio and a lower EF than male controls. In women, no significant differences were found between diabetics and controls in the PEP/LVET ratio or EF adjusted for the above factors. The results of this study are compatible with the view that impaired left ventricular function may be an early phenomenon in the clinical course of non-insulin-dependent diabetes.
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