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- Malke Asaad, Sahil K Kapur, Donald P Baumann, Jun Liu, and Charles E Butler.
- Department of Plastic& Reconstructive Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX.
- Ann. Surg. 2022 Nov 1; 276 (5): e563-e570.
BackgroundVentral hernia repair (VHR) is one of the most commonly performed procedures in the United States, but studies assessing the long-term outcomes of VHR using biologic mesh are scarce.ObjectiveWe sought to determine the rates of hernia recurrence (HR) and surgical site occurrences (SSOs) in a large cohort of patients who underwent AWR with biologic mesh.MethodsWe conducted a retrospective cohort study of patients who underwent AWR using either porcine ADM (PADM) or bovine ADM (BADM) from 2005 to 2019. We analyzed the full cohort and a subset of our population with minimum long-term follow-up (LTF) of 5 years. The primary outcome measure was HR. Secondary outcomes were SSOs.ResultsWe identified a total of 725 AWRs (49.5% PADM, 50.5% BADM). Mean age was 69 ± 11.5 years and mean body mass index was 31 ± 7 kg/m 2 . Forty-two percent of the defects were clean at the time of AWR, 44% were clean-contaminated, and 14% were contaminated/infected. Mean defect size was 180 ± 174 cm 2 , mean mesh size was 414 ± 203 cm 2 . Hernia recurred in 93 patients (13%), with cumulative HR rates of 4.9%, 13.5%, 17.3%, and 18.8% at 1, 3, 5, and 7 years, respectively. There were no differences in HR ( P = 0.83) and SSO ( P = 0.87) between the 2 mesh types. SSOs were identified in 27% of patients. In our LTF group (n = 162), the HR rate was 16%. Obesity, bridged repair, and concurrent stoma presence/creation were independent predictors of HR; component separation was protective against HR.ConclusionsDespite its use in complex AWR, ADM provides durable long-term outcomes with relatively low recurrence rates.Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.
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