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Good long-term outcome following surgical repair of post-infarction ventricular septal defect
C J Ellis1, G F Parkinson, W M Jaffe
1Cardiology Department, Green Lane Hospital, Auckland, New Zealand.
Background:
A post-infarction ventricular septal defect (VSD) is a serious complication of a myocardial infarction with 90% of patients dying by two months, in published series. Urgent surgical repair improves the prognosis.
Aims:
To assess the Green Lane Hospital experience over a ten year period, especially with regard to hospital mortality and long-term follow up.
Methods:
A retrospective case note review of all 35 consecutive patients undergoing post-infarct VSD repair from 1981 to 1990. Long-term follow up was obtained in all but one patient (97%).
Results:
Twenty-one male and 14 female patients presented with a mean age of 67 years (range 51-75). All were in NYHA class 3 or 4, 14 (40%) were in cardiogenic shock. Following urgent surgical repair, 30 day mortality was 31% (11 patients). A further three patients died at two, 33 and 39 months; one patient was lost to follow up. At a mean follow up of 61 months (range 16-111), 15 patients were in NYHA class 1 or 2, five in NYHA class 3 or 4. For the whole group (n = 35) the actuarial survival was 66% at one year, 62% at three years and 58% at nine years.
Conclusion:
Post-infarct VSD surgery is of major prognostic benefit with patients obtaining a good long-term outcome.