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[Coronary artery bypass grafting in diabetic patients: early and mid-term outcomes]

Habib Ben Ahmed1, Mehdi Chelli, Khalifa Selmi

  • 1Hopital Mongi Slim, La Marsa, Tunis, Tunisie.

La Tunisie Medicale
|December 1, 2012
PubMed

Insights

Diabetic patients undergoing coronary artery bypass grafting (CABG) face higher mortality and reduced mid-term survival compared to non-diabetics. Despite similar event-free survival, diabetes negatively impacts early and mid-term outcomes after CABG.

Area of Science:

  • Cardiovascular Surgery
  • Diabetology
  • Clinical Outcomes Research

Background:

  • Coronary artery bypass grafting (CABG) outcomes traditionally differ between diabetic and non-diabetic patients.
  • Recent studies suggest improved outcomes for diabetics post-CABG, but clarity on mortality and morbidity impact is lacking.

Purpose of the Study:

  • To compare early and mid-term outcomes of diabetic versus non-diabetic patients following CABG.
  • To elucidate the specific impact of diabetes on post-CABG mortality and morbidity.

Main Methods:

  • Retrospective analysis of 228 CABG patients (126 diabetic, 102 non-diabetic) from January 2005 to December 2010.
  • Comparison of baseline characteristics, including demographics, comorbidities, and disease severity.
  • Evaluation of in-hospital outcomes, length of stay, complications, and mid-term survival.

Main Results:

  • Diabetic patients exhibited significantly higher hospital mortality (16% vs. 4.1%, P=0.005) and decreased mid-term survival (91% vs. 99%, P<0.001) after a 28-month follow-up.
  • Diabetics had a longer care unit stay (2.3 vs. 2.1 days, P=0.048) but similar sternal wound infection rates.
  • Event-free survival was comparable between diabetic and non-diabetic groups (76% vs. 80%, P=0.82).

Conclusions:

  • Diabetes is associated with poorer early and mid-term outcomes after coronary artery bypass grafting.
  • Diabetic patients experience increased mortality and reduced survival post-CABG.
  • Further research may explore strategies to mitigate these adverse outcomes in diabetic populations.
Abstract

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