Left ventricular remodeling and function in adult aortic stenosis.

Abstract:

:The aim of this study was to analyze the left ventricular (LV) geometric changes occurring in chronic pressure overload due to valvular aortic stenosis (AS). Fifty-six adult patients (30 women, 26 men, mean age seventy-two +/- nine years, range forty-five to eighty-five years) with isolated AS (mean valve area by Doppler = 0.6 +/- 0.2 cm2) underwent a complete Doppler echocardiographic examination. According to the value of relative wall thickness (RWT = 2 x posterior wall thickness/LV end-diastolic diameter) and LV mass index (LVMI) in normal subjects (RWT < or = 0.44, LVMI < or = 125 gr/m2) AS patients were subdivided into four groups: Normal: no patients; Concentric Remodeling RWT > 0.44, LVMI < or = 125 gr/m2): 4 patients (7%); Concentric Hypertrophy (RWT > 0.44, LVMI > 125 gr/m2): 39 patients (70%); and Eccentric Hypertrophy (RWT < or = 0.44, LVMI > 125 gr/m2): 13 patients [23%]. Eccentric hypertrophy patients had, as compared with those with concentric hypertrophy, a larger left ventricle (61 +/- 6.5 mm vs 47.6 +/- 6 mm, P < or = 0.001), a smaller mean wall thickness (11.3 +/- 1.2 vs 14.7 +/- 1.7 mm, P < 0.001) and reduced LV fractional shortening (FS% = 22.9 +/- 11 vs 42.6 +/- 8.7%, P < 0.001). Furthermore, most patients (11/13) of the former group had heart failure due to LV systolic dysfunction, while only 16 of 39 patients of the latter group had heart failure and all but 2 had normal LV systolic function.(ABSTRACT TRUNCATED AT 250 WORDS)

journal_name

Angiology

journal_title

Angiology

authors

Faggiano P,Rusconi C,Ghizzoni G,Sabatini T

doi

10.1177/000331979404501206

subject

Has Abstract

pub_date

1994-12-01 00:00:00

pages

1033-8

issue

12

eissn

0003-3197

issn

1940-1574

journal_volume

45

pub_type

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