Continent urinary diversion and management of pouch calculi as a late complication: A case series
Abstract
Objective: Following cystectomy, there are several reconstructive options. A continent cutaneous urinary diversion (CUD) avoids an ileal conduit if patients are unsuitable for an orthotopic neobladder. Reservoir stone formation is common, and management is challenging. Our data present incidence and management of calculi following Indiana pouch reconstruction after radical cystectomy. Patients and Methods: Prospective database review identified 30 patients with Indiana pouch CUD in our series of 450 open cystectomies. Paper, electronic medical records, and radiological imaging were reviewed. Results: Six (20%) patients with up to 15 years follow-up were identified with stones. At cystectomy, all patients were stone free with normal renal function and electrolytes. Time to first stone formation was 29–60 months. Eighty percent became recurrent stone formers. Management involved a combination of endoscopic LASER litholapaxy, percutaneous and open access. All patients had a functioning CUD following stone treatment. Time to stone recurrence improved with assessment for metabolic abnormalities, timed pouch emptying, pouch irrigation and treatment of urine infections. Conclusion: The risk of stone formation and requirement for rigorous post-operative prevention protocols should be discussed with patients. Follow-up for this group should be lifelong to include imaging and metabolic monitoring. Management requires a multimodal, multi-disciplinary approach. Level of evidence: Not…
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