Urinary undiversion from a sigma-rectum pouch to a cutaneous urinary stoma as a treatment for severe metabolic disorders post-radical cystectomy: A case report
- Hua Shen
- Kai Liao
- Weili Wu
- Hongbo Yu
- Hongfei Wu
Affiliations: Department of Urology, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, Jiangsu 210019, P.R. China
- Published online on: October 21, 2019 https://doi.org/10.3892/etm.2019.8111
Copyright: © Shen
et al. This is an open access article distributed under the
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Commons Attribution License.
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A total of six male patients, who had undergone radical cystectomy and sigma‑rectum pouch surgery due to bladder cancer (2‑5 years previously), developed hyperchloremic metabolic acidosis, hypokalemia and renal dysfunction. The patients underwent urinary undiversion surgery (the pouch was isolated from the intestinal tract, abdominal ostomy was performed, and the sigmoid colon and rectum were reconnected) and blood gas and electrolyte analysis and renal function were compared pre‑ and post‑surgery. Blood hydrocarbonate levels significantly improved 3 months post‑surgery compared with the preoperative levels (17.90±4.12 vs. 7.57±4.25; P=0.026). At 6 months post‑surgery, blood pH (7.36±0.04 vs. 7.16±0.08; P=0.028) and potassium levels (3.95±0.38 vs. 3.12±0.21; P=0.032) were found to have improved significantly compared with the pre‑surgery levels, and remained normal. Serum creatinine levels decreased significantly from the preoperative levels at 6 months post‑surgery (213.00±44.85 vs. 304.67±55.58; P=0.028). Serum chlorine (99.17±2.75 vs. 110.90±4.38; P=0.038) significantly improved until 3 years post‑surgery. The results of this case report indicated that urinary undiversion from a sigma‑rectum pouch to a cutaneous urinary stoma that separates the pouch and intestine may be a beneficial treatment for post‑sigma‑rectum pouch surgery acidosis and electrolyte disturbances.