Coronary artery bypass grafting after percutaneous intervention has higher early mortality: A meta-analysis

Salah E. Altarabsheh, Salil V. Deo, Dustin Hang, Osama K. Haddad, Yang Hyun Cho, Alan H. Markowitz, Soon J. Park

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Background We compared early adverse events and midterm survival between primary coronary artery bypass grafting (pCABG) and CABG in patients with percutaneous intervention (secondary CABG, sCABG) because data on this topic are very limited. Methods A systematic review of published literature was done to obtain original studies fulfilling the search criteria. The end points studied were early mortality, stroke, renal failure, myocardial infarction, and the need for an intra-aortic balloon pump. A random-effect inverse variance weighted analysis was performed. The results are presented as risk ratios (RR) (95% confidence interval); p < 0.05 was considered statistically significant. Results Fourteen studies (84,983 pCABG patients and 14,775 sCABG patients) were included in the systematic review. Early mortality was lower with primary CABG (RR 1.54 [1.19-2]; p = 0.007). The incidence of myocardial infarction was also less with pCABG than with sCABG. (RR 1.46 [1.04-2.06]; p = 0.06). Patients undergoing pCABG were 14% (0% to 55%; p = 0.04). Less likely to need an intra-aortic balloon pump. Although renal failure was lower with pCABG (RR 1.254 [1.047-1.502]; p = 0.014), the stroke rates were comparable in both cohorts (p = 0.95). Renal failure was favorable in the primary CABG cohort. Early stroke was comparable between the two cohorts (p = 0.95). The pooled hazard ratios demonstrated comparable survival at the end of 3 years (p = 0.36). Conclusions Patients undergoing CABG after prior percutaneous therapy have a higher incidence of myocardial infarction and mortality in the postoperative period. However, midterm survival is comparable in both cohorts.

Original languageEnglish (US)
Pages (from-to)2046-2052
Number of pages7
JournalAnnals of Thoracic Surgery
Volume99
Issue number6
DOIs
StatePublished - Jun 1 2015
Externally publishedYes

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Surgery
  • Pulmonary and Respiratory Medicine

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