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Objectives: Third line treatment of urge urinary incontinence (UUI) and/or reduced bladder capacity is bladder augmentation. The aim of this study was to investigate whether clam enterocystoplasty (CECP) was an efficient treatment for patients who were refractory to conservative treatments of UUI and small functional bladder capacity and secondly if there was a difference in outcome in patients with neurogenic and non-neurogenic bladders. Methods: We evaluated 118 patients retrospectively treated in the period 2006-2018 at a single university hospital. Data were collected retrospectively. Patient groups were compared with Wilcoxon signed-rank test and Fisher's exact test. Results: Overall, 76% became continent with 92% using clean intermittent self-catherization (CISC) of patients with neurogenic bladder, 82% became continent and 100% were using CISC, whereas of patients with non-neurogenic bladder 64% became continence and 77% were using CISC. The median overall improvement of capacity was 296.5 mL (IQR: 142-440), 310 mL (186-467) in the neurogenic group and 214 mL (IQR: 126.8-361.5) in non-neurogenic ( p  = 0.01). Conclusion: CECP is an efficient treatment in UUI and reduced bladder capacity. Difference in outcome was seen with neurogenic patients having a bigger functional capacity and a higher rate of continence compared to the non-neurogenic.

Objectives: This study investigates the effect of urinary division in patients with bladder pain syndrome (BPS) refractory to conservative treatment. This study aimed to identify pre-operative predictive factors regarding the surgical outcome in patients undergoing urinary diversion with or without cystectomy (CX). Methods and patients: This study included 30 patients with BPS treated with a urinary diversion in the period from 2002-2017 at a single university hospital. The surgical procedure was selected on an individual basis, including both continent and non-continent diversions and primary procedure with or without concomitant CX. Pre- and post-operative data were registered retrospectively through medical chart review. Results: Eight patients were treated with primary CX and eight had secondary CX within a short time following urinary diversion (1.45 years in median), mainly due to persisting pain. However, more than half the patients were successfully treated with urinary diversion alone throughout the follow-up period (estimated 58% after 12 years). Nine patients were prior to surgery diagnosed with Hunner's lesions, and these had significantly greater pain relief compared to the remaining 21 patients ( p  = 0.02). The higher success rate of the bladder-preserving procedure was suggested in patients older than 48 years ( p  = 0.09) with less pain pre-operatively, estimated by less than three opioids prior to the procedure ( p  = 0.01). Conclusions: Surgical treatment with urinary diversion should be taken into consideration for refractory BPS, especially patients diagnosed with Hunner's lesions. These results support a bladder-preserving strategy unless the patient is young or has severe treatment refractory pain pre-operative.