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KMID : 1812420230560060374
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Journal of Chest Surgery
2023 Volume.56 No. 6 p.374 ~ p.386
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Minimally Invasive Procedure versus Conventional Redo Sternotomy for Mitral Valve Surgery in Patients with Previous Cardiac Surgery: A Systematic Review and Meta-Analysis
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Muhammad Ali Tariq
Minhail Khalid Malik
Qazi Shurjeel Uddin
Zahabia Altaf
Mariam Zafar
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Abstract
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Background : The heightened morbidity and mortality associated with repeat cardiac surgery are well documented. Redo median sternotomy (MS) and minimally invasive valve surgery are options for patients with prior cardiac surgery who require mitral valve surgery (MVS). We conducted a systematic review and meta-analysis comparing the outcomes of redo MS and minimally invasive MVS (MIMVS) in this population.
Methods : We searched PubMed, EMBASE, and Scopus for studies comparing outcomes of redo MS and MIMVS for MVS. To calculate risk ratios (RRs) for binary outcomes and weighted mean differences (MDs) for continuous data, we employed a random-effects model.
Results : We included 12 retrospective observational studies, comprising 4157 participants (675 for MIMVS; 3482 for redo MS). Reductions in mortality (RR, 0.54; 95% confidence interval [CI], 0.37?0.80), length of hospital stay (MD, ?4.23; 95% CI, ?5.77 to ?2.68), length of intensive care unit (ICU) stay (MD, ?2.02; 95% CI, ?3.17 to ?0.88), and new-onset acute kidney injury (AKI) risk (odds ratio, 0.34; 95% CI, 0.19 to 0.61) were statistically significant and favored MIMVS (p<0.05). No significant differences were observed in aortic cross-clamp time, cardiopulmonary bypass time, or risk of perioperative stroke, new-onset atrial fibrillation, surgical site infection, or reoperation for bleeding (p>0.05).
Conclusion : The current literature, which primarily consists of retrospective comparisons, underscores certain benefits of MIMVS over redo MS. These include decreased mortality, shorter hospital and ICU stays, and reduced AKI risk. Given the lack of high-quality evidence, prospective randomized control trials with adequate power are necessary to investigate long-term outcomes.
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KEYWORD
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Meta-analysis, Mitral valve, Minimally invasive surgical procedures, Reoperation, Sternotomy, Thoracotomy
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