Abstract

We sought to assess patient risk factors for 30-day postoperative complications among men undergoing surgical management of rectourethral fistula (RUF). The American College of Surgeons National Surgical Quality Improvement Program database was queried for all male patients who underwent RUF repair (2006-2018). Hypoalbuminemia was defined as preoperative serum albumin <3.5 gm/dL. Postoperative 30-day complications included wound infection, organ space surgical site infection, urinary tract infection, sepsis, venous thromboembolism, pneumonia, cerebrovascular accident, myocardial infarction, return to operating room and mortality. The association between pre-selected patient covariates and postoperative complications was investigated using logistic regression analysis. A total of 250 patients were identified. Concurrent procedures during RUF repair were bowel diversion in 43/250 patients (17.2%), bowel resection (34/250, 13.6%), cystectomy (20/250, 8.0%) and urethroplasty (37/250, 14.8%). Overall, median age was 66.0 years (IQR 59.0-72.0), body mass index 26.6 kg/m2 (IQR 23.7-29.5) and 247/250 patients (98.8%) were functionally independent. Comorbidities included hypertension (140/250, 56.0%), smoking (55/250, 22.0%), diabetes (17/250, 6.8%), chronic obstructive pulmonary disease (11/250, 4.4%) and congestive heart failure (1/250, 0.4%). Hypoalbuminemia (<3.5 gm/dL) was present in 25/126 patients (19.8%). Overall, 51/250 patients (20.4%) experienced a complication within 30 days of surgery including wound infection (14/250, 5.6%), sepsis (13/250, 5.2%), organ space infection (11/250, 4.4%), urinary tract infection (8/250, 3.2%), venous thromboembolism (8/250, 3.2%) and mortality (5/250, 2.0%). After adjusting for covariates, hypoalbuminemia was associated with increased odds of a 30-day complication (OR 2.49, 95% CI 1.06-5.86, p=0.036). Hypoalbuminemia was associated with increased odds of short-term complications after surgical management of RUF.

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