Repair of left ventricular aneurysm: surgical risk and long-term survival

Runar Lundblad1, Michel Abdelnoor, Jan L Svennevig

  • 1Department of Cardiothoracic Surgery, Rikshospitalet, Oslo, Norway. runar.lundblad@rikshospitalet.no

Insights

Predictors for survival after left ventricular aneurysm repair were identified. Advanced age, ventricular arrhythmia, three-vessel disease, and linear repair impact mortality, while poor left ventricular function affects long-term survival.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Medical Research

Background:

  • Postinfarction left ventricular aneurysm presents a significant clinical challenge.
  • Surgical repair is a treatment option, but predictors of patient outcomes require elucidation.

Purpose of the Study:

  • To identify predictors of survival following surgical repair of postinfarction left ventricular aneurysm.
  • To analyze factors influencing both early and long-term patient survival.

Main Methods:

  • Retrospective review of 149 patients undergoing surgical repair between 1989 and 2001.
  • Analysis of preoperative clinical, angiographic, and echocardiographic data.
  • Statistical methods including logistic regression and Cox regression for risk factor identification.

Main Results:

  • Early mortality rate was 8.7%, with a 5-year survival rate of 77%.
  • Independent risk factors for mortality included advanced age, ventricular arrhythmia, three-vessel disease, and linear repair technique.
  • Poor left ventricular function predicted reduced long-term survival.

Conclusions:

  • Surgical repair of postinfarction left ventricular aneurysm is feasible with acceptable risk.
  • Survival outcomes are negatively influenced by advanced age, ventricular arrhythmia, three-vessel disease, and specific surgical techniques.
  • Identifying these risk factors aids in patient selection and surgical planning.
Abstract

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