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Author Spotlight: Enhancing Coronary Artery Revascularization
05:25

Author Spotlight: Enhancing Coronary Artery Revascularization

Published on: September 15, 2023

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Impact of Coronary Artery Disease on Outcomes in Patients Undergoing Percutaneous Edge-to-Edge Repair

Jasmin Shamekhi1, Marcel Weber1, Atsushi Sugiura1

  • 1Department of Cardiology, University Hospital Bonn, Bonn, Germany.

JACC. Cardiovascular Interventions
|September 25, 2020
PubMed

Insights

Coronary artery disease (CAD) complexity impacts outcomes after MitraClip procedures. Residual CAD burden independently predicts 1-year mortality, emphasizing complete revascularization for better results.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Cardiac Surgery

Background:

  • Mitral regurgitation and coronary artery disease (CAD) frequently coexist in elderly patients.
  • The impact of CAD and revascularization on outcomes after percutaneous mitral valve repair remains unclear.

Purpose of the Study:

  • To assess the influence of concomitant CAD on patient outcomes following MitraClip system procedures.
  • To investigate the relationship between CAD severity, revascularization status, and mortality after MitraClip.

Main Methods:

  • Observational study of 444 patients undergoing MitraClip.
  • CAD severity assessed using SYNTAX score (SS), residual SS (rSS), and SYNTAX score II (SS-II).
  • Patients stratified by CAD severity and revascularization status (rSS=0 vs. rSS>0) to compare 1-year all-cause mortality.

Main Results:

  • Higher SS, rSS, and SS-II were associated with increased mortality.
  • Residual CAD (rSS >0) was an independent predictor of 1-year all-cause mortality (p=0.001).
  • Mortality rates were 22% for SS >3 vs. 9.6% for SS ≤3, and 31.4% for rSS >0 vs. 9.6% for rSS=0.

Conclusions:

  • CAD complexity, evaluated by SS, correlates with outcomes in MitraClip patients.
  • Residual CAD burden post-percutaneous coronary intervention is a significant predictor of 1-year mortality.
  • Complete revascularization leads to the most favorable outcomes, irrespective of mitral regurgitation cause.
Abstract

Keywords:
MitraClipSYNTAX scorecoronary artery diseasemitral valve regurgitation

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