Opening the nasal valve with external dilators reduces congestive symptoms in normal subjects.
ABSTRACT We examined whether the use of two different external nasal dilator devices influenced the size of the nasal valve area and symptoms of nasal congestion.
This was a randomized blind-allocation, open three-way crossover study of Breathe Right, Side Strip Nasal Dilators, and placebo. We studied 12 healthy subjects (10 female, 2 male; age range 26-56 years). Measures of total volume and total minimum cross-sectional area were collected. Subjective symptoms were collected using a visual analog scale and an ordinal scale.
With both products, there was significant increase in the size of the minimum cross-sectional area compared to placebo, p = 0.004. This is supported by the decrease in the subjective reports of congestion; on the visual analog scale, compared to placebo p = 0.012 and the ordinal scale, compared to placebo, p = 0.004.
Both devices significantly increase the size of the nasal valve area and reduce congestion in normal subjects.
- SourceAvailable from: rhinologyjournal.com[Show abstract] [Hide abstract]
ABSTRACT: Nasal obstruction is commonly due to enlargement of the inferior turbinate. This review discusses the pathophysiology of turbinate enlargement, the indications for, and methods and outcome of turbinate reduction. All techniques are successful but vary in their long-term efficacy, their propensity for complications and the degree to which they may adversely affect nasal function. Newer techniques under local anaesthetic and often endoscopic control offer outpatient treatment with satisfactory outcomes. However selecting a particular technique should take account of the individual patient's features, the surgeon's experience and judgement and informed patient choice.Rhinology 09/2009; 47(3):227-36. · 2.78 Impact Factor
- [Show abstract] [Hide abstract]
ABSTRACT: Our goal was to revise the literature about external nasal dilators (ENDs) as to their definition, history, and current uses. We reviewed journals in the PubMed and MEDLINE databases. The current uses hereby presented and discussed are physical exercise, nasal congestion and sleep, snoring, pregnancy, cancer, and healthy individuals. Numerous studies have shown that ENDs increase the cross-sectional area of the nasal valve, reducing nasal resistance and transnasal inspiratory pressure and stabilizing the lateral nasal vestibule, avoiding its collapse during final inspiration. These effects also facilitate breathing and are beneficial to patients with nasal obstruction. Furthermore, END use is simple, noninvasive, painless, affordable, and bears minimum risk to the user. Most studies have limited sample size and are mainly focused on physical exercise. In conclusion, ENDs seem useful, so further studies involving potential effects on the performance of physical tests and improvements in sleep quality are necessary, especially in children and teenagers.International Journal of General Medicine 01/2014; 7:491-504.