Prognostic significance of right ventricular ejection fraction following inferior myocardial infarction.

Abstract:

:The prognostic significance of right ventricular ejection fraction, measured by radionuclide ventriculography, was assessed in 168 consecutive patients with inferior myocardial infarction. Right ventricular ejection fraction was 0.40 or less in 35 patients. Over a follow-up period of 40 months, there were 15 deaths in the total group of 168 patients, eight (23%) in the 35 with right ventricular ejection fraction of 0.40 or less, and seven (5%) in the remainder of the group. The one year survival of patients with right ventricular impairment (84 +/- 6%) was significantly worse (P less than 0.01) than those with a right ventricular ejection fraction over 0.40 (95 +/- 2%). A multivariate Cox model analysis showed age (P less than 0.001), left ventricular ejection fraction (P less than 0.01), and right ventricular ejection fraction (P less than 0.03) to be independent predictors of survival. Impaired right ventricular function is an adverse prognostic factor in patients with inferior infarction, particularly in those with impaired left ventricular function.

journal_name

Int J Cardiol

authors

Marwick TH,Birbara TM,Allman KC,Morris JG,Kelly DT,Harris PJ

doi

10.1016/0167-5273(91)90217-d

subject

Has Abstract

pub_date

1991-05-01 00:00:00

pages

205-11

issue

2

eissn

0167-5273

issn

1874-1754

pii

0167-5273(91)90217-D

journal_volume

31

pub_type

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