UroToday - Risk factors for poor sleep quality among patients with interstitial cystitis in Taiwan

February 9, 2010

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Risk factors for poor sleep quality among patients with interstitial cystitis in Taiwan - Abstract

Monday, 23 November 2009

Department of Psychiatry, Taipei Veterans General Hospital, Taipei, Taiwan.

Previous research has suggested that patients with interstitial cystitis have more sleep disturbances and higher levels of depression. However, reports that employ validated sleep questionnaires are rare for this population. The present study investigates the relationship between sleep quality, anxiety, depression, and the severity of urologic interstitial cystitis symptoms in outpatients, and risk factors for poor sleep quality.

A total of 69 patients (52 female) with interstitial cystitis met National Institute of Arthritis, Diabetes, Digestive and Kidney Diseases (NIDDK) criteria, completed all instruments. The O'Leary-Sant Interstitial Cystitis Symptom Index (ICSI) was performed to assess interstitial cystitis severity. The Pittsburgh Sleep Quality Index (PSQI) and Hospital Anxiety and Depression Scale (HADS) were used to evaluate quality of sleep and depression level, respectively. Multiple linear regressions were used to identify independent factors of sleep quality.

Mean PSQI global score was 9.5 +/- 4.2 (range: 1-19); 81.2% of subjects had poor sleep quality (PSQI > 5). Regression analysis suggested that the severity of interstitial cystitis (Beta coefficient = 0.42, P < 0.001) and level of anxiety and depression (Beta coefficient = 0.26, P < 0.05) were significant independent risk factors for poor sleep quality, after controlling for age, gender, marital status, years of education, and years of symptomatic duration. Further analysis of ICSI subdomain scores shows that association between nighttime urination and poor sleep quality remains significantly (Beta coefficient = 0.32, P < 0.05), after adjustment for demographic data and anxiety and depression.

Poor sleep quality is common in interstitial cystitis patients and severity of urological symptoms and depression levels are important independent risk factors.

Written by:
Tsai CF, Ouyang WC, Tsai SJ, Hong CJ, Lin TL. Are you the author?

Reference:
Neurourol Urodyn. 2009 Nov 6. Epub ahead of print.
doi:10.1002/nau.20799

PubMed Abstract
PMID:19899148

UroToday.com IC/PBS/BPS Section

Reader Comments

patient
Written by This email address is being protected from spam bots, you need Javascript enabled to view it on 2009-11-25 10:59:32

Sleep quality has always been a main side affect of IC. I wake every hour to hour and half all night long. Cannot sleep longer due to the severe pain when urine builds in the bladder. As a result of frequency, my bladder has decreased in size considerably and at last exam was found to be hard and tough and could not be stretched. Yes poor sleep quality is very common.

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