Outcomes of Emergency Parastomal Hernia Repair in Older Adults: A Retrospective Analysis.

Parastomal hernias are common and many are never repaired. Emergency parastomal hernia repair (PHR) is a feared complication following ostomy creation, yet the incidence and long-term outcomes of emergency PHR are unknown. We performed a retrospective analysis of 100% Medicare claims data (2007-2015) to evaluate complications, readmissions, reoperations, hospitalizations, and mortality after emergency PHR. We used logistic regression and Cox proportional hazard models to determine the association of surgical approach, including repair with ostomy reversal, resiting, mesh, minimally invasive approach, or a myofascial flap. Analysis took place between June 2022 and February 2023. A total of 6658 patients underwent emergency PHR (mean [standard deviation] age, 75.9 [9.8] y; 4031 female individuals [60.5%]). Overall, 3433 (51.2%) patients underwent primary PHR, 1626 (24.4%) underwent PHR with ostomy resiting, and 1599 (24.0%) underwent PHR with ostomy reversal. In the 30 d after surgery, 4151 (62.3%) patients had complications and 55 (0.83%) underwent reoperation. Compared to local repair, the 30-d odds of complications were lower for patients who underwent ostomy resiting (odds ratio 0.82 [95% confidence interval 0.72-0.93]). Five y after surgery, the cumulative incidence of reoperation was 12.0% and was lowest for patients who underwent PHR with ostomy reversal (hazard ratio 0.15 [95% confidence interval 0.11-0.21]) when compared to local repair. Emergency PHR is associated with significant morbidity. However, technique selection may influence outcomes. Understanding the prognosis of emergency PHR may improve decision-making and patient counseling for patients living with this common disease.

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