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  • Title: Sugarbaker Versus Keyhole Repair for Parastomal Hernia: a Systematic Review and Meta-analysis of Comparative Studies.
    Author: Fleming AM, Phillips AL, Drake JA, Gross MG, Yakoub D, Monroe J, Hinkle NM, Shibata D, Wood EH.
    Journal: J Gastrointest Surg; 2023 Mar; 27(3):573-584. PubMed ID: 36469282.
    Abstract:
    INTRODUCTION: Parastomal hernia is a debilitating complication of stoma creation. Parastomal hernia repair with mesh reduces recurrence rates in open and laparoscopic settings. Recent comparative studies conflict with previously pooled data on optimal mesh repair technique. The objective of this study is to examine parastomal hernia recurrence rates after Sugarbaker and keyhole repairs by performing an updated systematic review and meta-analysis of comparative studies. METHODS: A systematic review of PubMed, MEDLINE, EMBASE, the Cochrane database, SCOPUS, and the PROSPERO registry was performed according to PRISMA 2020 guidelines (PROSPERO ID: CRD42021290483). Studies comparing parastomal hernia recurrences after Sugarbaker and keyhole repairs were included. Studies with overlapping patient cohorts (duplicate data), non-comparative studies, studies that did not report the primary outcome of interest, and studies not in the English language were excluded. Study bias was assessed using the Newcastle-Ottawa scale. Pooled mean differences (MD), odds ratios (OR), and risk ratios (RR) with 95% confidence intervals (CI) were calculated. Heterogeneity was assessed using the I2 statistic. Forest plots and funnel plots were generated. Study quality was analyzed using MINORS. Additional subgroup analysis of modern studies was performed. RESULTS: Ten comparative studies published between 2005 and 2021 from 5 countries were included for analysis comprising 347 Sugarbaker repairs and 246 keyhole repairs. There were no differences in patient age, sex, or BMI between the groups. There was no difference between the groups regarding surgical site infection (OR 0.78; CI 0.31-1.98; P = 0.61) or post-operative bowel obstruction (OR 0.76; CI 0.23-2.56; P = 0.66). Sugarbaker repairs were significantly less often associated with parastomal hernia recurrence when compared to keyhole repairs (OR 0.38; CI 0.18-0.78; P = 0.008). There was no significant heterogeneity among the studies comparing parastomal hernia recurrence (I2 = 32%; P = 0.15). Quality analysis revealed a median MINORS score of 11 (range 6-16). Subgroup analysis of studies performed after the previously published pooled analysis (2015-2021) revealed no significant difference in parastomal hernia recurrence between the two groups (OR 0.58; CI 0.24-1.38; P = 0.22) with a significant subgroup effect (P = 0.05). CONCLUSIONS: Though there were lower rates of parastomal hernia recurrence with Sugarbaker repairs on overall analysis, this phenomenon disappeared on subgroup analysis of modern studies. Randomized controlled trials with contemporary cohorts would help further evaluate these repairs and minimize potential bias.
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