ArticleJournal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine2024
Fractional exhaled nitric oxide-a possible biomarker for risk of obstructive sleep apnea in snorers.
Article in Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03964324 (Improving Diagnostics of Concurrent Inflammatory Airway Diseases in Private ENT Practice - a Study of NO Measurements in Screening for Asthma and OSA in Patients Suffering From Severe Snoring), which is not on this map. Cited by 5 papers.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Improving Diagnostics of Concurrent Inflammatory Airway Diseases in Private ENT Practice - a Study of NO Measurements in Screening for Asthma and OSA in Patients Suffering From Severe Snoring
Who cites it
5 citing papers in PubMed, 5 citations in OpenAlex.
- Advances in clinical examination techniques for allergic rhinitis: a review from traditional testing to precision diagnosis.Frontiers in allergy · 2026Review
- Association and risk factors analysis of FeNO and CRP in bronchial asthma combined with obstructive sleep apnea.Frontiers in medicine · 2025Review
- Association Between Fractional Exhaled Nitric Oxide (FeNO) and Cognitive Function in Patients with Obstructive Sleep Apnea.Nature and science of sleep · 2025Article
- Temporal Dynamics of Fractional Exhaled Nitric Oxide (FeNO) During CPAP Therapy in Obstructive Sleep Apnea: A Prospective Follow-Up Study.Nature and science of sleep · 2025Article
- Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
STUDY
objectivesAirway inflammation in patients with obstructive sleep apnea (OSA) has been described and can be assessed by measuring the biomarker fractional exhaled nitric oxide (FeNO). In this pilot study, we investigated FeNO measurements in identification of OSA among persons with snoring.
methodsIn this study we aimed to investigate (1) if FeNO could be used in screening for OSA, (2) if daytime sleepiness correlated to FeNO levels, and (3) whether asthma affected FeNO levels. Persons with snoring were prospectively included in three primary care ear, nose, and throat clinics. Patients underwent spirometry, FeNO tests, and partial polygraphy. They filled out questionnaires on sinonasal and asthma symptoms, daytime sleepiness, and quality of life. Current smokers, patients with upper airway inflammatory conditions, and patients treated with steroids were excluded.
resultsForty-nine individuals were included. Median apnea-hypopnea index was 11.4, mean age was 50.9 years, and 29% were females. OSA was diagnosed in 73% of the patients of whom 53% had moderate-severe disease. Patients with moderate-severe OSA had significantly higher FeNO counts than patients with no or mild OSA (
conclusionsWe found a low prevalence of moderate-severe OSA in persons with snoring when FeNO and age were low. This might be considered in a future screening model, though further studies testing the FeNO cutoff level and the diagnostic accuracy are warranted. CLINICAL
trial registrationRegistry: ClinicalTrials.gov; Name: NO Measurements in Screening for Asthma and OSA, in Patients With Severe Snoring; URL: https://clinicaltrials.gov/study/NCT03964324; Identifier: NCT03964324. CITATION: Kiaer E, Ravn A, Jennum P, et al. Fractional exhaled nitric oxide-a possible biomarker for risk of obstructive sleep apnea in snorers.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.