• 1. The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, P. R. China;
  • 2. Department of Cardiovascular Surgery, The First Hospital of Lanzhou University, Lanzhou, 730000, P. R. China;
SONG Bing, Email: songbinldyy@163.com
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Objective To evaluate the clinical outcomes of sutureless aortic valve replacement (SU-AVR) and transcatheter aortic valve implantation (TAVI) for aortic valve disease. Methods We conducted a computer-based search of databases including CNKI, WanFang Data, VIP, CBM, PubMed, The Cochrane Library, EMbase and Web of Science from the inception of the databases to March 2024. Two reviewers independently screened articles, extracted data and used the Cochrane bias risk assessment tool to evaluate the quality of the included studies. Meta-analysis was performed using Stata 18 software. Results The included 17 studies using propensity-matched analysis consisted of 6 630 patients, including 3 319 patients in the SU-AVR group and 3 311 patients in the TAVI group. The SU-AVR group had lower mortality than the TAVI group at 1-year [RR=0.58, 95%CI(0.38, 0.87), P=0.009], 2-year [RR=0.61, 95%CI(0.43,0.85), P=0.004] and 5-year [RR=0.63, 95%CI(0.50,0.79), P=0.000]. The SU-AVR group had a significantly lower rate of new permanent pacemaker implantation (PPI) [RR=0.75, 95%CI(0.58, 0.98), P=0.037], moderate-to-severe paravalvular leak (PVL) [RR=0.20, 95%CI(0.12, 0.32), P=0.000], myocardial infarction(MI)[RR=0.30, 95%CI (0.11,0.80), P=0.017], more-than-mild residual aortic regurgitation (AR)[RR=0.29, 95%CI(0.17, 0.48), P=0.000]. In addition, the SU-AVR group had a higher postoperative mean aortic gradient [SMD=0.39, 95%CI (0.17, 0.62), P=0.000]than the TAVI group. Conclusion  The early and mid-term clinical outcomes of SU-AVR were superior compared to TAVI.

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