Author:
Lv Lizhi,Lang Xinyue,Zhang Simeng,Wang Cheng,Wang Qiang
Abstract
ImportanceThe safety and efficacy of different surgical repairs of supravalvar aortic stenosis (SVAS) are inconsistent.ObjectiveTo compare the prognosis of single-, two- and three-patch repair for patients with SVAS.Data sourcesPubMed, EMBASE, Cochrane Library, Web of Science, and clinicaltrials.gov were searched until April 17, 2022.Study selectionStudy reported SVAS patients treated with single-, two- or three-patch repair.Data extraction and synthesisTwo reviewers independently extracted the data of study characteristics and clinical outcomes. Multiple pairwise and frequentist network meta-analyses were conducted. And a fixed-effect model was used when no heterogeneity existed.Main outcomes and measuresOutcomes included the rate of reintervention, aortic insufficiency, early mortality and late mortality, cardiopulmonary bypass (CPB) time, cross-clamping (CCP) time, and postoperative/ follow-up pressure gradient. Binary variables were evaluated by odds ratio (OR) and its 95% confidence interval (CI), while continuous variables were assessed by standardized mean difference (SMD) and its 95% CI.ResultsTwenty-seven retrospective cohort studies were included, comprising 1,162 patients, undergoing single-patch (46.6% of cases), two-patch (33.9%), and three-patch repair (19.4%). Two-patch method had a lower rate of reintervention compared with single-patch (OR = 0.47, 95 % CI 0.28–0.89), and three-patch (OR = 0.31, 95 % CI 0.15–0.64). This finding also applied to juvenile and non-Asian patients. Three-patch method had a lower rate of aortic insufficiency compared with single-patch (OR = 0.11, 95 % CI 0.01–0.63), and two-patch (OR = 0.11, 95 % CI 0.02–0.83). But this repair had the longest CCP time, which was significantly longer than that of single- (SMD = 0.76, 95 % CI 0.36–1.17) or two-patch repair (SMD = 0.61, 95 % CI 0.06–1.16). No significant difference was found in mortality and pressure gradient among three procedures.Conclusion and relevanceTwo-patch repair has the lowest reintervention rate and relatively reasonable operation time. Complex and severe SVAS is suggested to be treated with two-patch repair. Further prospective studies of a reasonable sample size will be required with a special focus on the use of different patch materials and surgeons' unique working experience.Systematic review registrationhttp://www.crd.york.ac.uk/PROSPERO/, identifier: CRD42022328146.
Funder
Central Public-interest Scientific Institution Basal Research Fund, Chinese Academy of Fishery Sciences
Central University Basic Research Fund of China
Yunnan Provincial Department of Education
Subject
Cardiology and Cardiovascular Medicine
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