Bladder pain syndrome linked to anxiety

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Neurourol Urodyn. 2013 Aug 22:0. doi: 10.1002/nau.22382. [Epub ahead of print]
Bladder pain syndrome/interstitial cystitis is associated with anxiety disorder.
Chung KH, Liu SP, Lin HC, Chung SD.
Department of Psychiatry, Taipei Medical University Hospital, Taipei, Taiwan; Psychiatric Research Center, Taipei Medical University Hospital, Taipei, Taiwan.

AIM: Recent research demonstrated that bladder pain syndrome/interstitial cystitis (BPS/IC) is associated with many coexisting physical and psychiatric conditions. In this study, we explored the potential association between anxiety disorder (AD) and BPS/IC using a case-controlled population-based approach in Taiwan.

METHODS: Data on the sampled subjects analyzed in this study were retrieved from the Longitudinal Health Insurance Database 2000. Our study included 396 female cases with BPS/IC and 1,980 randomly selected female controls. We excluded subjects who had a history of major psychosis (except AD) or a substance-related disorder. A conditional logistic regression was performed to calculate the odds ratio (OR) for the association between a previous diagnosis of AD and IC/BPS.

RESULTS: Of the 2,376 sampled subjects, 136 (5.72%) had received an AD diagnosis. AD was found in 64 (16.16%) cases and in 72 (3.64%) controls (P < 0.001). The conditional logistic regression analysis (conditioned on age group and the index year) suggested that compared to controls, the OR for prior AD among cases was 4.59 (95% confidence interval (CI) = 2.32-9.08, P < 0.001). After adjusting for chronic pelvic pain, irritable bowel syndrome, fibromyalgia, migraines, sicca syndrome, allergies, asthma, and an overactive bladder, the OR for prior AD among cases was 4.37 (95% CI = 2.16-8.85, P < 0.001) compared to the controls.

CONCLUSIONS: There was an association between AD and BPS/IC, even after taking demographic characteristics, medical co-morbidities, and substance-related disorders into consideration. Results of this study should alert clinicians to evaluate and monitor the presence of BPS/IC in patients with AD.

PMID: 24038135
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