• Muhammad Faisal Khalid, Abdul Ahad Khan, Furqan Khattak, Muhammad Talha Ayub, Jayant Bagai, Debabrata Mukherjee, Thomas Helton, Mauricio G Cohen, Subhash Banerjee, and Timir K Paul.
• Department of Internal Medicine, East Tennessee State University, Johnson City, TN, USA.
• Cardiovasc Revasc Med. 2019 Nov 1; 20 (11): 956-964.

BackgroundPrevious studies comparing outcomes between culprit vessel only percutaneous coronary intervention (CV-PCI) versus multivessel percutaneous coronary intervention (MV-PCI) in patients with cardiogenic shock in the setting of acute myocardial infarction have shown conflicting results. This meta-analysis investigates the optimal approach for management of these patients considering recently published data.MethodsElectronic databases including MEDLINE, ClinicalTrials.gov and the Cochrane Library were searched for all clinical studies published until May 1, 2018, which compared outcomes in patients presenting with acute myocardial infarction and cardiogenic shock. Studies comparing CV-PCI versus MV-PCI in patients with multivessel coronary artery disease were screened for inclusion in final analysis. The primary end point was in-hospital/30 day mortality. Secondary endpoints included long term (>6 months) mortality, renal failure requiring renal replacement therapy, stroke, bleeding, and recurrent myocardial infarction. Odds ratio (OR) with 95% of confidence interval (CI) were computed and p values <0.05 were considered significant.ResultsPatient who underwent CV-PCI had significantly lower short-term mortality (in-hospital or 30-day mortality) (OR: 0.73, CI: 0.61-0.87, p = 0.0005), and lower odds of severe renal failure requiring renal replacement therapy (OR: 0.76, CI: 0.59-0.98, p = 0.03). There was no statistically significant difference in long-term mortality, stroke, bleeding, and recurrent myocardial infarction between two groups.ConclusionThis meta-analysis showed lower short-term mortality and decreased odds of renal failure requiring renal replacement therapy with CV-PCI compared to MV-PCI. However, subgroup analysis including studies exclusively assessing STEMI patients revealed no statistically significant difference in outcomes. Further randomized trials are needed to confirm these findings and evaluate long term results.Copyright © 2018 Elsevier Inc. All rights reserved.

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