Percutaneous Transcatheter Closure of Post-infarction Ventricular Septal Defect: An Alternative to Surgical

Diarmaid Cadogan1, Marwa Daghem1, Mostafa Snosi2

  • 1Department of Cardiology, Liverpool Heart and Chest Hospital Liverpool, UK.

Insights

Post-infarction ventricular septal defect (VSD) after acute myocardial infarction (MI) has high mortality. This review examines patient optimization, repair timing, and future research for VSD management.

Area of Science:

  • Cardiology
  • Cardiovascular Surgery
  • Interventional Cardiology

Background:

  • Post-infarction ventricular septal defect (VSD) is a rare but serious mechanical complication of acute myocardial infarction (MI).
  • The incidence of VSD has decreased in the era of primary percutaneous coronary intervention (PCI).
  • Despite advances, mortality remains high, exceeding 94% with medical management alone and over 40% with surgical or transcatheter closure.

Purpose of the Study:

  • To review current strategies for assessing and optimizing patients before VSD repair.
  • To discuss the optimal timing for intervention in post-MI VSD.
  • To evaluate percutaneous closure techniques and identify limitations in existing data.

Main Methods:

  • This is a review article synthesizing existing literature.
  • It addresses patient assessment, optimization, and timing of repair for post-MI VSD.
  • It also considers percutaneous closure techniques and future research directions.

Main Results:

  • Medical management alone for post-MI VSD is associated with extremely high mortality (94%).
  • Both open surgical repair and percutaneous transcatheter closure have in-hospital mortality rates greater than 40%.
  • Retrospective comparisons between closure methods are limited by inherent biases.

Conclusions:

  • Optimal patient selection and timing are crucial for improving outcomes in post-MI VSD.
  • Percutaneous closure offers an alternative but requires further research to refine techniques and reduce mortality.
  • Future research should focus on prospective studies to better compare treatment modalities and improve survival rates for this critical complication.