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Septal rupture closure: Still a challenge.

Norihiko Kamioka1, Peter C Block1

  • 1Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
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Post-myocardial infarction (MI) ventricular septal rupture (VSR) is less common but still deadly. Despite decreased repair rates, mortality remains high for VSR patients, indicating a need for better treatments.

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Medical Databases

Background:

  • This study analyzed Medicare data over 16 years to assess trends in post-myocardial infarction (MI) ventricular septal rupture (VSR).
  • Investigated changes in VSR incidence, repair rates, and mortality.
  • Examined outcomes for both surgical and transcatheter VSR repair methods.

Discussion:

  • While the incidence of VSR has declined, the overall mortality for hospitalizations remains high and unchanged.
  • The 30-day VSR repair rate significantly decreased from 49.9% in 1999 to 33.3% in 2014.
  • Patients undergoing repair procedures showed lower unadjusted mortality at 30 days and 1 year compared to those not repaired.

Key Insights:

  • Despite advances, post-MI VSR continues to present a significant mortality challenge.
  • Surgical repair was the predominant approach (82.9%), with transcatheter repair used in a minority (17.1%).
  • Outcomes for VSR repair, irrespective of the method, remain unsatisfactory.

Outlook:

  • Further research is needed to improve VSR management strategies.
  • Development of more effective VSR treatments is crucial.
  • Enhanced post-MI care protocols may help reduce VSR incidence and improve survival.