• Sung Ho Shinn, Salah E Altarabsheh, Salil V Deo, Joseph H Sabik, Alan H Markowitz, and Soon J Park.
• Department of Thoracic and Cardiovascular Surgery, Cheju Halla General Hospital, Jeju, Republic of Korea. Electronic address: shinnsungho@gmail.com.
• Ann. Thorac. Surg. 2018 Sep 1; 106 (3): 924-929.

BackgroundSutureless aortic valve replacement (SU-AVR) and transcatheter aortic valve implantation (TAVI) are increasingly adopted methods to treat high-risk patients with severe aortic valve stenosis. We conducted a systematic review and meta-analysis to compare the clinical outcomes between these two recent methods to treat aortic valve disease.MethodsWe systematically searched multiple databases (January 2000 to October 2016) to identify original studies comparing clinical outcome between SU-AVR and TAVI. End points studied were early mortality, development of paravalvular leak, early stroke, bleeding events, and the need for pacemaker insertion. A random-effect inverse-variance weighted analysis was performed. Event rates were compared as odds ratio (OR) and 95% confidence interval (CI).ResultsThe meta-analysis included seven observational studies comprising 617 SU-AVR and 621 TAVI patients. Early mortality was 2.5% and 5% in the SU-AVR and TAVI cohorts, respectively (OR, 0.52; 95% CI, 0.30 to 0.90; p = 0.02; I2 = 2%). Postprocedural significant paravalvular leak was much lower after SU-AVR (OR, 0.18l; 95% CI, 0.11 to 0.30; p < 0.0001). Postprocedural stroke (OR, 0.71; 95% CI, 0.24 to 2.08; p = 0.53) and the need for pacemaker insertion (OR, 0.884; 95% CI, 0.364 to 2.18; p = 0.7) were comparable between the two cohorts.ConclusionsOur meta-analysis of observational studies demonstrates that early mortality is lower after SU-AVR than after TAVI in selected patients. The rates of stroke and pacemaker implant are comparable between procedures; however, the incidence of paravalvular leak is higher after TAVI.Copyright © 2018 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.

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