Left ventricular function in patients with diabetes mellitus.
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概要
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The left ventricular function was assessed in 70 diabetics under 60 years of age without clinically evident heart disease using established non-invasive methods, these include systolic time interval method and echocardiography. The ratio of pre-ejection period to left ventricular ejection time (PEP/ET) was remarkably elevated in diabetics with severe microangiopathy (0.431±0.037). Even in diabetics without microangiopathy PEP/ET ratio was significantly higher (0.374±0.037) compared with that in controls(0.331±0.023, P<0.01). Most of diabetics with a PEP/ET value of higher than 0.40 were not under proper care with regard to diabetic control. A tendency toward normalization of PEP/ET values was often observed with the improvement in diabetic control during six to twelve months among the inadequately controlled diabetics. Isovolumic relaxation time in diabetics was longer than in controls (80±14 msec, 59±11 msec, P<0.005). Our results suggest that abnormalities of left ventricular function in diabetics maybe related to not only severity of microangiopathy but also the state of diabetic control. The maintenance of adequate control of diabetes seems to play an important role in the prevention of congestive heart failure in patients with diabetes mellitus.
- 社団法人 日本内科学会の論文
社団法人 日本内科学会 | 論文
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