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Depressive symptoms after CABG surgery: a meta-analysis

Simha Ravven1, Caroline Bader, Armin Azar

  • 1Harvard Medical School, Boston, MA, USA.

Harvard Review of Psychiatry
|May 10, 2013
PubMed

Insights

Depression risk initially increases after coronary artery bypass graft (CABG) surgery but decreases significantly in the recovery and later stages. Continuous monitoring of depression is crucial for patients undergoing CABG.

Area of Science:

  • Cardiology
  • Psychiatry
  • Health Services Research

Background:

  • Depression frequently co-occurs with coronary artery disease.
  • The impact of coronary artery bypass graft (CABG) surgery on depressive symptoms is a critical clinical question.

Purpose of the Study:

  • To conduct a meta-analysis determining the course of depressive symptoms following CABG surgery.
  • To assess the risk and changes in depression at various postoperative time points.

Main Methods:

  • A systematic search of EMBASE, PubMed, and PsycINFO was conducted for relevant studies.
  • Meta-analyses were performed for depression at early, recovery, mid, and late postoperative intervals.
  • Heterogeneity and publication bias were analyzed.

Main Results:

  • The risk of depression was elevated in the early postoperative period (RR = 1.27).
  • A significant decrease in depression risk was observed at recovery (RR = 0.78), mid (RR = 0.64), and late (RR = 0.68) stages.
  • Studies using continuous depression scales showed significant heterogeneity, unlike dichotomous measures.

Conclusions:

  • Depression risk, measured dichotomously, decreases after CABG surgery.
  • While some patients experience depression remission, most do not, highlighting the need for ongoing monitoring.
  • Preoperative and postoperative depression assessment is essential for patient management.
Abstract

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