Evaluating candidates for ventricular aneurysmectomy.

Abstract:

:Forty consecutive patients having left ventricular (LV) aneurysmectomy were evaluated for surgical risk predictors and were then followed up after operation. Factors evaluated included age, time since last myocardial infarction, NYHA classification, principal indication for surgery, LV end diastolic pressure, LV "A" wave size, number of coronary systems with greater than 70% stenosis, number of coronary bypass grafts, location of aneurysm, and ejection fraction of the nonaneurysmal or "contractile segment," determined by a modification of the method of Watson et al (MCSEF). There was 100% follow-up. There were four perioperative deaths and two late deaths. Operative mortality was 3.4% in patients with MCSEF greater than or equal to 45% and 37.5% in patients with MCSEF less than 45% (P less than .05). None of the other factors evaluated significantly affected mortality independent of MCSEF. Survivors had a mean follow-up of 22 months with a mean improvement in symptoms of 1.6 NYHA class (from 3.3 to 1.7). Forty-four percent have returned to their previous occupations. It is concluded that: (1) the MCSEF is of prime importance in evaluating risk for LV aneurysmectomy; (2) for patients with MCSEF greater than or equal to 45%, LV aneurysmectomy is a low-risk procedure; and (3) LV aneurysmectomy results in sustained relief of symptoms in most patients.

journal_name

South Med J

journal_title

Southern medical journal

authors

Lee GT Jr,Newton MC,Crosby IK,Burwell LR,Wellons HA

doi

10.1097/00007611-198005000-00018

subject

Has Abstract

pub_date

1980-05-01 00:00:00

pages

611-4, 617

issue

5

eissn

0038-4348

issn

1541-8243

journal_volume

73

pub_type

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