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  • Title: Comparison of the Efficacy Between Transurethral Coagulation and Transurethral Resection of Hunner Lesion in Interstitial Cystitis/Bladder Pain Syndrome Patients: A Prospective Randomized Controlled Trial.
    Author: Ko KJ, Cho WJ, Lee YS, Choi J, Byun HJ, Lee KS.
    Journal: Eur Urol; 2020 May; 77(5):644-651. PubMed ID: 31959549.
    Abstract:
    BACKGROUND: Interstitial cystitis/bladder pain syndrome (IC/BPS) is a chronic condition characterized by chronic pelvic pain related to the bladder with no effective treatment options. OBJECTIVE: To evaluate the efficacy and safety of transurethral resection (TUR) and transurethral coagulation (TUC) as treatments for Hunner lesion (HL) in IC/BPS. DESIGN, SETTING, AND PARTICIPANTS: A single-center, prospective, randomized controlled trial involving 126 patients with HL in IC/BPS. INTERVENTION: TUR or TUC. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Primary outcome was recurrence-free time after surgery. Secondary outcomes included change of the number of frequency, nocturia, urgency episodes in voiding diaries, O'Leary-Sant Interstitial Cystitis Symptom Index (ICSI) and Interstitial Cystitis Problem Index (ICPI), pelvic pain and urgency/frequency (PUF) symptom scale, and visual analog scale (VAS) for pain and risk factors for recurrence. RESULTS AND LIMITATIONS: There were no differences in the recurrence-free time between treatment groups, a difference of 12.2 mo (95% confidence interval [CI], 11.1-17.6) for TUR, and a difference of 11.5 mo (95% CI, 9.03-16.1; p=0.735) for TUC. No difference was found in decreased mean daytime frequency, nocturia, urgency episodes, ICSI, ICPI, PUF symptom scale, and VAS for pain between both groups over 12 mo. Regardless of treatment types, there were significant improvements in all symptom questionnaires and pain compared with baseline (all, p < 0.05). Treatment type (TUR or TUC), age, sex, previous history of hydrodistension, and number of HLs did not affect recurrence. Incidence of bladder injury was higher in the TUR group (7.9%) than in the TUC group (3.4%). CONCLUSIONS: There was no difference in the recurrence-free time and effect on urinary symptoms, including pain between TUC and TUR, for HL. Taking into account procedure-related complications, the surgeon can choose the method with which he/she is most familiar and comfortable. PATIENT SUMMARY: In patients with bladder pain syndrome with Hunner lesions, both endoscopic resection and coagulation of the lesions are effective treatments.
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