Postsurgery Opiate Use Is Significantly Lower in Patients With Interstitial Cystitis/Bladder Pain Syndrome Following Cystectomy With Urinary Diversion.

To compare pre-and post-operative opiate use in a large cohort of interstitial cystitis/bladder pain syndrome (IC/BPS) patients who underwent cystectomy with urinary diversion (CWUD). A retrospective analysis was completed using a database of IC/BPS patients who underwent CWUD at a single institution from 2014 to 2022. In addition to demographic information, bladder capacity and Hunner lesion status were documented for each patient. Opiate use (milligram morphine equivalents [MME]) was calculated for each patient and change in MME (ΔMME) was calculated by subtracting pre-CWUD MME from post-CWUD MME. Paired t test was used to compare ΔMME for all parameters except age, where a Pearson's correlation was used. The analysis included 82 patients (17 M; 65 F) that underwent CWUD as follows: 53 ileal conduit diversions, 11 neobladders, and 18 Indiana Pouches. Mean pre-CWUD MME use was 4509.57 and mean post-CWUD MME was 1788.48 with a ΔMME of - 2721.09 (P < .001). ΔMME was not significantly different based on gender (P = .597), bladder capacity (P = .754), age (P = .561), or Hunner lesion status (P = .085). IC/BPS patients using opiates primarily for relief of pain directly related to their condition show a significant decrease in opiate use following CWUD, which likely represents significant pain reduction and implicates the bladder as the primary source of that pain.

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Declaration of Competing Interest The authors have no conflict of interest to declare.