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2. Myocardial hypertrophy and left ventricular diastolic function in hypertensive patients: an echo Doppler evaluation

Author

Gabriele Conforti, Mario Petretta, Arrichiello P, Domenico Bonaduce, M. Vittoria Montemurro, N. De Luca, Roberto Breglio, Bonaduce, Domenico, Conforti, G, DE LUCA, Nicola, Montemurro, Mv, Arrichiello, P, and Petretta, Mario

Subjects
Adult, Male, medicine.medical_specialty, Megalencephalic leukoencephalopathy with subcortical cysts, Diastole, Cardiomegaly, Doppler echocardiography, Left ventricular hypertrophy, Internal medicine, medicine, Humans, Adult, Cardiomegaly, Echocardiography, Systole, adult, clinical article, controlled study, diastole, doppler echocardiography, female, heart left ventricle filling, heart left ventricle function, heart ventricle hypertrophy, human, hypertension, male, priority journal, Doppler, Female, Heart Function Tests, Human, Hypertension, Male, Middle Age, Stroke Volume, medicine.diagnostic_test, business.industry, Hypertrophic cardiomyopathy, Stroke Volume, Middle Aged, medicine.disease, Echocardiography, Doppler, medicine.anatomical_structure, Ventricle, Heart Function Tests, Hypertension, Cardiology, Female, Left ventricular diastolic dysfunction, Cardiology and Cardiovascular Medicine, business
Abstract

The presence and the characteristics of left ventricular diastolic dysfunction in mild to moderate systemic hypertension were evaluated in 13 normotensive subjects (Group I), in 12 hypertensive subjects without (Group II) and 28 with (Group III) LV hypertrophy who underwent two-dimensional Doppler echocardiographic study. Among Group III patients, a subset (n = 12) with a dilated left ventricle was identified. Diastolic filling parameters were impaired in Group III patients while, in Group II, they were intermediate between Groups I and III. In all Group III patients normalized peak filling rate (nPFR) correlated directly with mean velocity of circumferential fibre shortening (mVCF) (r = 0.55; P less than 0.001) and inversely with left ventricular mass index (LVM) (r = -0.60; P less than 0.001), left ventricular end-diastolic diameter (LVIDd) (r = -0.63; P less than 0.001), LV peak systolic stress (LVWST) (r = -0.64; P less than 0.01). A separate analysis showed that these correlations were also present in patients without left ventricular dilation; in the subset with left ventricular dilation nPFR correlated only with LVWST (r = -0.73; P less than 0.01), but not with LVM, mVCF, LVIDd. Thus, left ventricular hypertrophy is one of the major determinants of diastolic dysfunction in hypertensives; other factors influence nPFR values in hypertensive patients when the left ventricle dilates.

Published
1989

3. Myocardial hypertrophy and left ventricular diastolic function in hypertensive patients: an echo Doppler evaluation.

Author

BONADUCE, D., BREGLIO, R., CONFORTI, G., DE LUCA, N., MONTEMURRO, M. VITTORIA, ARRICHIELLO, P., and PETRETTA, M.

Abstract

The presence and the characteristics of left ventricular diastolic dysfunction in mild to moderate systemic hypertension were evaluated in 13 normotensive subjects (Group I), in 12 hypertensive subjects without (Group II) and 28 with (Group III) LV hypertrophy who underwent two-dimensional Doppler echocardiographic study. Among Group III patients, a subset (n = 12) with a dilated left ventricle was identified. Diastolic filling parameters were impaired in Group III patients while, in Group II, they were intermediate between Groups I and III. In all Group III patients normalized peak filling rate (nPFR) correlated directly with mean velocity of circumferential fibre shortening (mVCF) (r=0·55; P<0·001) and inversely with left ventricular mass index (LVM) (r=−0·60; P<0·001), left ventricular end-diastolic diameter (LVIDd) (r= −0·63; P<0·001), LV peak systolic stress (LVWST) (r=− 0·64; P < 0·01). A separate analysis showed that these correlations were also present in patients without left ventricular dilation; in the subset with left ventricular dilation nPFR correlated only with LVWST (r= −0·73;P<0·01), but not with LVM, m VCF, L VIDd. Thus, left ventricular hypertrophy is one of the major determinants of diastolic dysfunction in hypertensives; other factors influence nPFR values in hypertensive patients when the left ventricle dilates. [ABSTRACT FROM PUBLISHER]

Published
1989
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