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Erschienen in:
24.02.2020 | Review
Open mesh vs. suture umbilical hernia repair: systematic review and updated trial sequential meta-analysis of randomized controlled trials
Erschienen in: Hernia | Ausgabe 4/2020
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Purpose
To examine the updated evidence on safety, effectiveness, and outcomes of mesh versus suture elective umbilical hernia (UH) repair and to explore the timely tendency variations favouring one treatment over another.
Methods
MEDLINE and CENTRAL databases were consulted. A systematic review, pairwise meta-analysis, and trial sequential analysis (TSA) were conducted.
Results
Six RCTs were included for a total of 742 patients. Overall, 383 (51.6%) underwent mesh, while 359 (48.4%) underwent suture repair. The estimated pooled postoperative recurrence RR was 0.27 (95% CI 0.13–0.53; p < 0.001). The TSA showed a statistically significant timely tendency in favour of mesh repair with a boundary cross curve (Z = 1.96) before reaching the information size. The estimated pooled seroma, haematoma, and wound infection RR were 1.45 (p = 0.368), 0.54 (p = 0.196), and 0.71 (p = 0.375), respectively. The TSA for wound-related complications showed partial, non-significant results.
Conclusions
Elective UH mesh repair seems to be associated with reduced risk of postoperative recurrence compared to simple suture repair with a statistically significant timely trend endorsed by the TSA. Definitive considerations concerning the cumulative effect for seroma, haematoma, and wound infection are premature. Further studies are warranted to endorse these results and deeply investigate the timely tendency variations.