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  • Title: [Left ventricular diastolic function in type I diabetes. A longitudinal echocardiographic study].
    Author: Chiarella F, Viviani GL, Bellotti P, Briata P, Domenicucci S, Carta G, Adezati L, Vecchio C.
    Journal: G Ital Cardiol; 1986 Jul; 16(7):544-50. PubMed ID: 3781141.
    Abstract:
    The present study was performed to assess the extent of left ventricular diastolic abnormalities and their possible progression with time in patients with type I (insulin dependent) diabetes. Two echocardiographic examinations were performed at an interval of 5 years in 18 study patients. Left ventricular diastolic function was assessed by computer digitized analysis of the M-mode echocardiographic tracings. During the study period all patients remained in satisfactory metabolic control and without retinopathy. Twelve normal subjects, matched for age and sex, were used as control group. Peak rate of left ventricular posterior wall excursion and the peak rate of increase in left ventricular internal dimensions were significantly reduced in patients with diabetes (14.12 +/- 2.5; 16.48 +/- 3.9 cm/sec) compared with controls (17.25 +/- 2.8; 20.41 +/- 3.6 cm/sec) (p less than .005; p less than .01). In addition time to peak rate of increase in left ventricular internal dimensions, isovolumic relaxation index and isovolumic relaxation time were significantly prolonged in patients with diabetes (63.66 +/- 16.5; 23.9 +/- 9; 72.7 +/- 14 msec) compared to controls (46.83 +/- 9.8; 13.4 +/- 4; 61.1 +/- 12 msec) (p less than .005; p less than .001; p less than .05). In the study patients, no relation was found between the extent of diastolic abnormalities and age, duration of the disease and insulin dosage. The extent of left ventricular diastolic dysfunction did not show significant changes during follow-up. Our results indicate that diastolic abnormalities are common in patients with type I diabetes and are not related to the duration of the disease.(ABSTRACT TRUNCATED AT 250 WORDS)
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