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Nocturia in sleep-disordered breathing.
Ibrahim Oztura1, Derya Kaynak, Hakan Cudi Kaynak
1Department of Neurology, Sleep Disorders Unit, Faculty of Medicine, Dokuz Eylül University 35340 Izmir, Turkey. ibrahim.oztura@deu.edu.tr
Sleep Medicine
|March 28, 2006
Summary
Nocturia, or frequent nighttime urination, is common in sleep-disordered breathing (SDB). Higher SDB severity, age, and BMI correlate with increased nocturia frequency.
Area of Science:
- Sleep Medicine
- Urology
- Respiratory Medicine
Background:
- Nocturia is a frequent complaint among patients with sleep-disordered breathing (SDB).
- Limited data exists on the prevalence and frequency of nocturnal urination in a large SDB patient cohort.
- Understanding nocturia's relationship with SDB severity and related factors is crucial.
Purpose of the Study:
- To determine the prevalence and frequency of nocturnal urination in SDB patients.
- To investigate the association between nocturia and SDB severity.
- To identify demographic, clinical, and polysomnographic factors related to nocturia in SDB.
Main Methods:
- Retrospective chart review of 1970 SDB patients.
- Nocturia assessment via standard questionnaire.
- Statistical analyses including ANOVA, Tukey's HSD, partial correlation, and logistic regression.
Main Results:
- Significant correlations found between nocturnal urination frequency and age, BMI, RDI, AHI, REI, and lowest oxygen saturation.
- Nocturnal urination frequency differed significantly across SDB severity groups (P<0.001).
- Severe SDB patients reported significantly more episodes of nocturnal urination (>3 per night, P<0.001).
Conclusions:
- Age, BMI, hypertension (HT), AHI, and REI are significantly associated with nocturia in SDB patients.
- SDB severity is a key factor influencing nocturia frequency.
- These findings highlight the importance of addressing SDB for nocturia management.