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Published on: December 6, 2016
Nocturia and snoring: predictive symptoms for obstructive sleep apnea.
Edward Romero1, Barry Krakow, Patricia Haynes
1Sleep and Human Health Institute, 6739 Academy NE, Suite 380, Albuquerque, NM 87109, USA.
Sleep & Breathing = Schlaf & Atmung
|October 30, 2009
Summary
Nocturia, or nighttime urination, is a comparable screening tool for obstructive sleep apnea (OSA) as snoring. This symptom predicts OSA severity independently of other common risk factors.
Area of Science:
- Sleep Medicine
- Respiratory Medicine
- Urology
Background:
- Current obstructive sleep apnea (OSA) screening relies on snoring and breathing symptoms.
- Nocturia, a symptom with a clear link to OSA, is underutilized in screening.
- Assessing nocturia's predictive power for OSA is crucial for improving diagnostic approaches.
Purpose of the Study:
- To evaluate nocturia as a screening tool for obstructive sleep apnea (OSA).
- To compare the predictive power of nocturia with established OSA screening markers.
- To determine the diagnostic accuracy of nocturia for OSA in adult sleep center patients.
Main Methods:
- Retrospective chart review of 1,007 adult patients at two sleep centers.
- Analysis of medical and sleep history questionnaires and polysomnography data.
- Calculation of sensitivity, specificity, PPV, and NPV for nocturia and other OSA markers.
Main Results:
- Nocturia demonstrated high sensitivity (84.8%) and PPV (80.6%) for OSA, comparable to snoring.
- Nocturia frequency independently predicted OSA severity (apnea-hypopnea index) in regression analysis.
- While sensitivity is high, specificity for nocturia was lower (22.4%) compared to snoring (43.0%).
Conclusions:
- Nocturia shows potential as a valuable screening tool for OSA, similar to snoring.
- Further research in primary care and urology settings is recommended to validate nocturia's role in OSA screening.
- Integrating nocturia assessment could enhance early detection of obstructive sleep apnea.
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