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Journal Article
Meta-Analysis
Review
Minimally invasive versus open repair of Bochdalek hernia: a meta-analysis.
Journal of Pediatric Surgery 2014 May
BACKGROUND: Diaphragmatic hernia can be repaired by open or minimally invasive surgery (MIS), although it is unclear which technique has better outcomes. Our objective was to compare the outcomes of these procedures in a systematic review and meta-analysis.
METHODS: We sought all publications describing both techniques through MEDLINE, Embase, and CENTRAL. Our primary outcome of interest was recurrence. We conducted statistical analyses using Review Manager 5.2.
RESULTS: We did not identify any randomized controlled trials. Our pooled estimate of results from 10 studies showed that total recurrence was higher after MIS (OR: 2.81 [1.73, 4.56], p<0.001). Subgroup analyses indicated higher recurrence after MIS for patch repairs (OR: 4.29 [2.13, 8.67], p<0.001), but not for primary repairs. Operative time was longer for MIS (MD: 55.25 [40.21, 70.28], p<0.001), while postoperative ventilator time and postoperative mortality were higher after open surgery (MD: 1.33 [0.05, 2.62], p= 0.04; OR: 7.54 [3.36, 16.90], p<0.001, respectively).
CONCLUSIONS: Recurrence rate is higher after MIS than open repair when a patch is used. Operative time is also longer with MIS. Poorer outcomes after open surgery may be a result of selection bias rather than surgical technique. Surgeons should carefully consider the potential morbidity associated with MIS when deciding on a repair method.
METHODS: We sought all publications describing both techniques through MEDLINE, Embase, and CENTRAL. Our primary outcome of interest was recurrence. We conducted statistical analyses using Review Manager 5.2.
RESULTS: We did not identify any randomized controlled trials. Our pooled estimate of results from 10 studies showed that total recurrence was higher after MIS (OR: 2.81 [1.73, 4.56], p<0.001). Subgroup analyses indicated higher recurrence after MIS for patch repairs (OR: 4.29 [2.13, 8.67], p<0.001), but not for primary repairs. Operative time was longer for MIS (MD: 55.25 [40.21, 70.28], p<0.001), while postoperative ventilator time and postoperative mortality were higher after open surgery (MD: 1.33 [0.05, 2.62], p= 0.04; OR: 7.54 [3.36, 16.90], p<0.001, respectively).
CONCLUSIONS: Recurrence rate is higher after MIS than open repair when a patch is used. Operative time is also longer with MIS. Poorer outcomes after open surgery may be a result of selection bias rather than surgical technique. Surgeons should carefully consider the potential morbidity associated with MIS when deciding on a repair method.
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