• Tomo Ando, Alexandros Briasoulis, Anthony A Holmes, Luis Afonso, Theodore Schreiber, and Ashok Kondur.
• Wayne State University, Detroit Medical Center, Division of Cardiology, Detroit, MI 48226, USA.
• Int. J. Cardiol. 2016 Jul 15; 215: 14-9.

BackgroundPatients with severe aortic stenosis (AS) and previous coronary artery bypass graft (CABG) surgery have increased risk for aortic valve replacement. Whether surgical aortic valve replacement (SAVR) or transcatheter aortic valve replacement (TAVR) offers better outcomes in this population is unclear. We aimed to assess outcomes of TAVR and SAVR in patients with previous CABG.MethodsA systematic literature search of Medline, EMBASE and Cochrane library was conducted. Studies that reported clinical outcomes (perioperative or mid-term all-cause-mortality, cardiovascular mortality, pacemaker implantation, hospital duration and stroke) were included. Random-effect modeling was used to calculate odds ratios (ORs) and 95% confidence intervals (CIs).ResultsFive cohort studies including a total of 872 patients (423 in TAVR, 449 in SAVR) were analyzed. STS scores were comparable between the two groups. No difference in all-cause-mortality, cardiovascular mortality and stroke at 30days, 1year and total follow-up period was seen between the two groups. TAVR patients had higher pacemaker implantation rates (OR 3.41, 95% CI 1.66-6.38, p<0.001, I(2)=21%) and shorter hospital stay (-2.63days, 95% CI -5.20 to -0.04, p=0.05, I(2)=43%).ConclusionsPatients with previous CABG who underwent TAVR had similar perioperative and long-term survival while experiencing more pacemaker implantations and shorter hospital stay compared to those who had SAVR making TAVR a safe and efficacious alternative to SAVR.Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.

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