• Suzanne de Waha, Alexander Jobs, Ingo Eitel, Janine Pöss, Thomas Stiermaier, Roza Meyer-Saraei, Georg Fuernau, Uwe Zeymer, Steffen Desch, and Holger Thiele.
• 1 University Heart Centre Luebeck, Department of Cardiology, Angiology and Intensive Care Medicine, University Hospital Schleswig-Holstein, Luebeck, Germany.
• Eur Heart J Acute Cardiovasc Care. 2018 Feb 1; 7 (1): 28-37.

BackgroundEarly revascularisation of the culprit lesion is the therapeutic cornerstone in cardiogenic shock complicating acute myocardial infarction. The optimal management of additional non-culprit lesions is unclear. This systematic review and meta-analysis aims to summarise current evidence on the comparison of immediate multivessel percutaneous coronary intervention (MV-PCI) or culprit lesion only PCI with possible staged revascularisation (C-PCI) in patients with cardiogenic shock complicating acute myocardial infarction.MethodsMedical literature databases were screened to identify analyses comparing MV-PCI with C-PCI in patients with cardiogenic shock complicating acute myocardial infarction and multivessel coronary artery disease. In absence of randomised trials, 10 cohort studies were included in the current meta-analysis. The primary outcome of short-term mortality was assessed at hospital discharge or 30 days after hospital admission. Secondary outcomes were long-term mortality as well as myocardial re-infarction, stroke, acute renal failure, and bleeding at short-term follow-up.ResultsOf 6051 patients, 1194 (19.7%) received MV-PCI and 4857 (80.3%) C-PCI. Short-term mortality was 37.5% in patients undergoing MV-PCI compared with 28.8% in C-PCI patients (risk ratio 1.26, 95% confidence interval 1.12-1.41, p=0.001). Long-term mortality ( p=0.77), myocardial re-infarction ( p=0.77), stroke ( p=0.12), acute renal failure ( p=0.17) and bleeding ( p=0.53) did not differ significantly between the two revascularisation groups.ConclusionsResults of this first meta-analysis on the interventional management of patients with cardiogenic shock complicating acute myocardial infarction and multivessel coronary artery disease do not support MV-PCI over C-PCI. However, possible treatment selection bias in the individual studies must be taken into account.

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