The Severity and Distribution of Nonurologic Pain and Urogenital Pain in Overactive Bladder are Intermediate Between Interstitial Cystitis and Controls

James H.L. Thu, Joel Vetter, H. Henry Lai

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Objectives: (1) To compare the severity and distribution of nonurologic and urogenital pain between overactive bladder (OAB), interstitial cystitis/bladder pain syndrome (IC/BPS) and controls, and (2) To examine the relationships between the severity of urogenital pain and severity of urinary symptoms among patients with OAB. Subjects and Methods: Fifty-one OAB patients, 27 IC/BPS patients, and 30 controls were recruited. Nonurologic pain was assessed using a whole body map and Brief Pain Inventory. Urologic pain was assessed using the Interstitial Cystitis Symptom and Problem indexes, Genitourinary Pain Index, and 0-10 pain scale. Urogenital pain was assessed using a genital map, and report of pain related to bladder filling and urination. Results: Among OAB patients, 6% reported pelvic pain only while 28% reported pelvic pain and beyond. 18% reported widespread pain. The distribution of nonurologic pain and urogenital pain in OAB patients were intermediate between IC/BPS and controls (IC/BPS>OAB>controls, P all <.05). The intensity of pain reported by OAB patients was intermediate between controls and IC/BPS (average 2.3 vs 0.8 vs 4.3 out of 10, P <.001). Among OAB patients, the pain severity (GUPI-pain, ICSI-pain, ICPI-pain) was positively correlated with urinary severity (UDI-6, IIQ-7, OABq-SS, OABq-QOL, P all <.05). OAB patients with pelvic pain have worse urinary symptoms and psychosocial health (anxiety, depression) compared to OAB patients without pelvic pain. Conclusion: A subset of OAB patients has pain inside and/or outside the pelvis. The intensity and distribution of pain in OAB was intermediate between IC/BPS and controls. Systemic processes such as central sensitization should be examined in this population.

Original languageEnglish
Pages (from-to)59-64
Number of pages6
JournalUrology
Volume130
DOIs
StatePublished - Aug 2019

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