J Rhinol.  2016 May;23(1):31-38. 10.18787/jr.2016.23.1.31.

Analysis of Nasalance in Patients with Chronic Rhinosinusitis

• Park SJ
• Park JS
• Xu J
• Kang Y
• Kim YM
• Rha KS

• KMID: 2165152
• DOI: http://doi.org/10.18787/jr.2016.23.1.31

Abstract

BACKGROUND AND OBJECTIVES
This study was designed to compare the nasalance between chronic rhinosinusitis (CRS) patients and normal controls and to determine the correlation of nasalance with nasal volume, nasal resistance, CT score, and polyp score in CRS patients.
MATERIALS AND METHODS
This study enrolled 150 CRS patients and 154 normal adults. All subjects underwent acoustic rhinometry and rhinomanometry. Nasalance scores were measured with the nasometer. All CRS patients were graded according to the Lund-Mackay CT staging system and the degree of nasal polyp.
RESULTS
Nasal volume was decreased and nasal resistance was increased in CRS patients compared with normal controls. However, the nasalance scores for oro-nasal and nasal passages were significantly higher in CRS patients compared with normal controls. In CRS patients, the nasalance score for the nasal passage showed positive correlation with nasal volume and negative correlation with nasal resistance and Lund-Mackay CT score. However, no significant correlation was found between nasalance score and endoscopic polyp score.
CONCLUSION
Contrary to expectations, nasalance was increased in CRS patients despite decreased nasal volume and increased nasal resistance. Thus, nasal resonance likely depends on a multitude of factors other than changes in the sinonasal cavity.

Keyword

Sinusitis; Nasal polyps; Voice quality; Nasal cavity

MeSH Terms

Adult
Humans
Nasal Cavity
Nasal Polyps
Polyps
Rhinomanometry
Rhinometry, Acoustic
Sinusitis
Voice Quality

Figure

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  Fig. 1. Correlation between the total nasal cavity volume and the nasalance score for three passages in patients with chronic rhinosinusitis. A: Oral passage. B: Oro-nasal passage. C: Nasal passage.

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  Fig. 2. Correlation between the expiratory total nasal resistance and the nasalance score for three passages in patients with chronic rhinosinusitis. A: oral passage. B: Oro-nasal passage. C: Nasal passage.

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  Fig. 3. Correlation between the CT score and the nasalance score for three passages in patients with chronic rhinosinusitis. A: Oral passage. B: Oro-nasal passage. C: Nasal passage.

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  Fig. 4. Correlation between the endoscopic polyp score and the nasalance score in patients with chronic rhinosinusitis. A: Oral passage. B: Oro-nasal passage. C: Nasal passage.

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  Fig. 5. Comparison of the nasalance score between normal controls and patient groups classified according to the Lund-Mackay CT score. A: Oral passage. B: Oro-nasal passage. C: nasal passage. The lower and upper limits of the boxes represent the 25th and 75th percentiles, respectively. Horizontal bars represent the median values; whiskers represent the range. *: p＜0.05, **: p＜0.01, ***: p＜0.001.

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  Fig. 6. Comparison of the nasalance score between normal controls and patient groups classified according to the endoscopic polyp score. A: oral passage. B: oro-nasal passage. C: nasal passage. The lower and upper limits of the boxes represent the 25th and 75th percentiles, respectively. Horizontal bars represent the median values; whiskers represent the range. *: p＜0.05, ***: p ＜0.001.

Reference

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