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Title: 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 MV, Arrichiello P, Petretta M. Journal: Eur Heart J; 1989 Jul; 10(7):611-21. PubMed ID: 2527749. 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.[Abstract] [Full Text] [Related] [New Search]