Short- and Long-Term Evaluation of Renal Function after Radical Cystectomy and Cutaneous Ureterostomy in High-Risk Patients.

Deterioration of renal function has been reported after radical cystectomy (RC) with urinary diversion. We investigated renal function changes in elderly bladder cancer (BCa) patients who underwent RC with cutaneous ureterostomy (CU) urinary diversion. We performed a retrospective, observational study. BCa patients aged ≥75 with an American Society of Anesthesiologists (ASA) class greater than II were included. Glomerular filtration rate (GFR) was the main outcome measure. GFR values were recorded preoperatively, at discharge, at 6-month follow-up, and yearly up to 60 months. A total of 70 patients with a median age of 78.0 years were identified. Median preoperative GFR was 74.3 mL/min/1.73 m2 and declined significantly to 54.6 mL/min/1.73 m2 after 6 months (p < 0.001). A gradual GFR decline was observed thereafter, reaching a median value of 46.2 after 60 months. Preoperative GFR and acute kidney injury were significant predictors of fast deterioration of GFR and of 25% deterioration of GFR after 12 months. Elderly BCa patients with high comorbidity rates undergoing RC with CU should be carefully informed about the risk of GFR deterioration and the need for adequate monitoring.

Journal of clinical medicine. 2020 Jul 11*** epublish ***

Massimiliano Creta, Ferdinando Fusco, Roberto La Rocca, Marco Capece, Giuseppe Celentano, Ciro Imbimbo, Vittorio Imperatore, Luigi Russo, Francesco Mangiapia, Vincenzo Mirone, Domenico Russo, Nicola Longo

Urologic Section, Department of Neurosciences, Sciences of Reproduction, and Odontostomatology, University of Naples Federico II, 80131 Naples, Italy., Department of Urology, Luigi Vanvitelli University of Naples, 80131 Naples, Italy., Urology Unit, Buon Consiglio Fatebenefratelli Hospital, 80123 Naples, Italy., Nephrology Unit, Ospedale del Mare; 80131 Naples, Italy., Nephrology Unit, Department of Public Health; University of Naples Federico II, 80131 Naples, Italy.

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