TITLE

Prognostic Implications of Left Ventricular Function During Exercise in Asymptomatic Patients with Aortic Regurgitation

AUTHOR(S)
Lindsay Jr., Joseph; Silverman, Angela; Van Voorhees, Lucy B.; Nolan, Nicholas G.
PUB. DATE
May 1987
SOURCE
Angiology;May1987, Vol. 38 Issue 5, p386
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Few data are available that address, the prognostic implication, of the response of the left ventricle (LV) to exercise in asymptomatic patients with aortic regurgitation (AR) who have normal resting LV function. Thirty-one such patients were contacted two to seven years after rest and exercise radionuclide ventriculography. Eleven had had significant cardiovascular events. Event-free survival at forty-eight months was 64%. Ten of eleven events occurred in 21 patients with decline in ejection fraction (EF), but the magnitude of decline did not further Separate the group with regard to prognosis. Eight events (73% of total events) occurred in the 11 patients (35% of total patients) with an EF during exercise of 0.55 or less. The short and intermediate outlook for asymptomatic patients with AR and normal resting LV function is good regardless of the response of the EF to exercise, but an exercise EF≤0.55 does identify a relatively high-risk subset for deterioration beyond twenty-four months.
ACCESSION #
16353020

 

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