RESULTS: A total of 359 patients (49.5%) with porcine and 366 (50.5%) with bovine AWR were identified. There was no difference in age (60AE12 vs 59AE11 years in the porcine and bovine groups respectively p¼0.36) or body mass index (31AE7 vs 32AE7 kg/m 2 , respectively, p¼0.11) between the two groups. Median follow-up was 34 months (range, 6-139 months). Cumulative hernia recurrence at 5 years was similar between the groups (18% vs 16% in the porcine and bovine groups respectively, p¼0.83). Rates of SSO (27% vs 26.5%, p¼0.88) and SSI (14% vs 11%, p¼0.22) were also similar. CONCLUSION: Porcine and bovine ADM have similar hernia recurrence, SSO, and SSI rates for patients undergoing AWR. Surgeons can choose either xenograft mesh with confidence as 5-year recurrence outcomes rival those of synthetic mesh.
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