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find Author "BAI Qiyuan" 1 results
  • Efficacy of Mitraclip in functional versus degenerative mitral regurgitation: A systematic review and meta-analysis

    ObjectiveTo systematically evaluate the differences in efficacy and outcomes between patients with functional mitral regurgitation (SMR) and degenerative mitral regurgitation (DMR) treated with mitral edge-to-edge repair (TEER) using MitraClip. MethodsPubMed, EMbase, the Cochrane Library, Web of Science, China Biomedical Literature Database (CBM), CNKI, Wanfang database, and VIP database were searched in computer. Relevant literature from the database from its establishment to January 2024 was covered. Literature screening, data extraction, and risk of bias assessment for the included studies were performed independently by two researchers. Meta-analysis was performed using Stata18.0 software. ResultsFourteen papers were finally included, including 6 707 patients, including 4 161 patients in the SMR group and 2 241 patients in the DMR group. Meta-analysis results showed that patients in the SMR group had a higher 1-year all-cause mortality rate [OR=1.53, 95%CI (1.30, 1.81), P<0.01, I2=0%] and 1-year readmission rate for heart failure [OR=1.9, 95%CI (1.60, 2.26), P<0.01, I2=0%] after MitraClip treatment than the DMR group patients. Postoperative mitral transvalvular pressure difference [SMD=-0.47, 95%CI (-0.65, -0.30), P<0.01, I2=51%] was lower in patients in the SMR group than in those in the DMR group, and the incidence of subsequent secondary open-heart surgery [OR=0.41, 95%CI (0.20, 0.83), P=0.01, I2=0%] was lower in patients in the SMR group. ConclusionThe results of Meta-analysis showed that after MitraClip treatment, patients in the SMR group showed better efficacy in the short term, but the medium- and long-term efficacy was not as good as that of patients in the DMR group. The specific type of mitral regurgitation should be considered when choosing a MitraClip treatment strategy to more accurately predict efficacy and prognosis.

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