Purpose: To analyze the use of alvimopan, a peripheral mu-opioid receptor antagonist, in expediting gastrointestinal recovery after benign abdominal urinary tract reconstruction. Alvimopan use has been well defined in the management of radical cystectomy and urinary diversion for oncologic indications. It has not been studied in benign abdominal genitourinary reconstruction. Methods: Patients who underwent urinary reconstruction utilizing harvested bowel segments for benign conditions from 12/2014–7/2019 were retrospectively reviewed. From 5/2018–7/2019 our institution approved the use of perioperative alvimopan in the aforementioned patients (N = 11), who were paired 1:2 with patients from a cohort of alvimopan-eligible patients who did not receive the drug (N = 22). Patients were paired by (1) type of reconstruction and (2) presence of neurogenic bowel-bladder (NBB). Results: Of the 70 patients who underwent urinary reconstruction during the study period, 46 patients (66%) were eligible to receive alvimopan. Length of stay was shorter for the alvimopan group compared to the non-alvimopan group (median 5 days [IQR 4–5 days] vs. 8 days [IQR 6–11 days]; P = 0.002). Time to first bowel movement was shorter for the alvimopan group (median 4 days [IQR 3–4 days] vs. 6 days [IQR 4–7], P = 0.001). No patient treated with alvimopan required a nasogastric (NG) tube for post-operative ileus compared to 7 (32%) patients in the non-treatment group (P = 0.035). Post-operative complications and 30-day readmissions were similar between the two groups. Conclusion: The use of perioperative alvimopan in benign abdominal urinary tract reconstruction expedited return of bowel function and decreased length of stay compared to a matched cohort of untreated patients.
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