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Reduced nocturnal asthma by improved nasal breathing
1Department of ENT, Sahlgrenska University Hospital, Göteborg, Sweden.
Acta Oto-Laryngologica
|May 1, 1996
Summary
Using a nasal dilator during sleep significantly reduced nocturnal asthma symptoms and the need for medication in patients. This simple device improves nasal breathing, offering a potential non-pharmacological approach to managing nighttime asthma attacks.
Area of Science:
- Respiratory Medicine
- Sleep Medicine
- Medical Device Technology
Background:
- Nasal breathing conditions air better than mouth breathing, preventing respiratory mucosa drying and potential bronchoconstriction.
- Mouth breathing during sleep can exacerbate asthma symptoms in sensitive individuals.
- Nasal dilators can increase nasal airflow and reduce mouth breathing.
Purpose of the Study:
- To investigate the efficacy of a nasal dilator (Nozovent) in reducing nocturnal asthma.
- To assess the impact of improved nasal breathing on asthma symptoms during sleep.
Main Methods:
- A randomized controlled study involving 15 out-patients with nocturnal asthma.
- Patients used the Nozovent nasal dilator every other night for 10 nights.
- Self-reported data on nocturnal asthma awakenings and medication use were collected daily.
Main Results:
- Nasal dilator use significantly reduced nocturnal asthma awakenings (17/75 nights vs. 32/75 nights, p < 0.01).
- Twelve patients reported reduced nocturnal asthma, and seven reported decreased nighttime medication needs.
- No adverse side-effects were reported by any patient using the device.
Conclusions:
- The Nozovent nasal dilator is an easy-to-use, inexpensive medical device that mechanically dilates nostrils.
- Improved nasal breathing through mechanical dilation can effectively reduce nocturnal asthma.
- Nasal dilators represent a promising non-pharmacological intervention for managing nighttime asthma.