Incisional hernia after liver transplantation: Risk factors, management strategies and long-term outcomes of a cohort study.

Incisional hernias (IH) develop in up to 40% of liver transplant (LT) recipients and can contribute to considerable morbidity. A single center retrospective review of a prospectively maintained LT database was conducted to identify all patients diagnosed with IH after LT during a 13-year study period (2003-2015). Analyzed data included patient demographics, LT details, incidence and timing of IH, risk factors, management strategies and long-term outcomes. During the 13-year study period, IH was diagnosed in 16.7% (163/976) of LT recipients after a median of 19.6 months (range 6.7-49.5 months) from transplant surgery. Identified risk factors for developing IH included male gender (p < 0.001) while acute cellular rejection (ACR) was found to be negatively associated with the risk of developing IH (p = 0.014). Acute incarceration/strangulation was seen in 4 patients with IH while the remaining (n = 159) presented with non-emergent symptoms. Surgical repair was undertaken in 70/163 (43%) IH patients after medical optimization when possible (open repair 83%, mesh use 90%). IH recurrence rate was 14.3% (10/70) with comparable rates in no-mesh and with-mesh repairs (42.9% vs. 11.3%; p = 0.057) and open (15.8%) and laparoscopic (9.1%) approaches (p = 0.68). IH is a late complication following LT and male gender is a consistent predictive marker. Acute presentation is infrequent and elective repair can be planned in most patients allowing for risk factor optimization to ensure promising long-term outcomes.

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Declaration of competing interest None declared.