Vnitr Lek 1994, 40(8):499-501

[The importance of doppler echocardiography in type I diabetics].

J Chlumský, L Dvoráková: Interní oddĕlení Nemocnice Milosrdných sester sv. Karla Boromejského Praha.

Impaired flow through the mitral orifice in diastole is frequently encountered in patients with IHD, hypertension, cardiomyopathies and type II diabetes. The authors examined 40 type I diabetics, age 26 +/- 5.5 years, with a duration of diabetes of 15.8 +/- 7.5 years. The control group was formed by 40 non-diabetic patients comparable as to age and sex. 7.5 years. The control group was formed by 40 non-diabetic patients comparable as to age and sex. During Doppler echocardiography the ratio of early and late peak flow velocity through the mitral orifice (A/E) was evaluated and the time of isovolumic relaxation of the left ventricle (IVRT). The investigated values of A/E and IVRT were higher in diabetics than in controls (p < 0.001). Diabetics with positive microalbuminuria had higher A/E and IVRT values than diabetic with normal microalbuminuria. No relationship was found with the duration of diabetes but there is a relationship of the investigated values and compensation of diabetes (p < 0.05). At a check-up examination after six months no change of the investigated parameters was observed. The authors assume that Doppler echocardiography could become in future a non-invasive method for assessment of late complications of diabetes.