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Echocardiographic features of hypertensive-diabetic heart muscle disease

A Venco, A Grandi, F Barzizza

    Cardiology
    |January 1, 1987
    PubMed

    Insights

    Diabetes significantly worsens left ventricular function in hypertensive patients, even without overt heart disease. This leads to impaired relaxation and distensibility, highlighting diabetes

    Area of Science:

    • Cardiology
    • Diabetology
    • Hypertension Research

    Background:

    • Hypertension and diabetes mellitus are common conditions often coexisting.
    • Both conditions can independently affect cardiovascular health.
    • Left ventricular (LV) function is a key indicator of cardiac health.

    Purpose of the Study:

    • To evaluate the impact of coexisting diabetes on left ventricular anatomy and function in hypertensive patients.
    • To compare LV function in patients with hypertension and diabetes, hypertension alone, and normal subjects.
    • To identify specific echocardiographic abnormalities associated with combined hypertension and diabetes.

    Main Methods:

    • Computerized M-mode echocardiography was utilized.
    • Evaluated 20 patients with hypertension and diabetes, 20 with hypertension alone, and 20 normal controls.
    • Assessed LV dimensions, wall thickness, and functional parameters like peak lengthening rate and velocity of wall thinning.

    Main Results:

    • Hypertensive patients showed increased posterior wall and septal thickness compared to normal subjects.
    • Diabetic patients exhibited thicker septa than non-diabetic hypertensive patients.
    • Hypertensive-diabetic patients demonstrated reduced peak lengthening rate and/or peak velocity of posterior wall thinning, indicating impaired diastolic function.

    Conclusions:

    • Diabetes exacerbates left ventricular dysfunction in the presence of hypertension.
    • Key abnormalities include reduced LV filling rate and slower wall thinning, suggesting impaired relaxation and distensibility.
    • The findings underscore the detrimental effect of diabetes on cardiac function in hypertensive individuals.

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