J Rhinol.  2004 Nov;11(1, 2):66-70.

The Effects of Adenoidectomy on Nasal Airway Resistance and Nasal Geometry

  • 1Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Chungnam National University, Daejeon, Korea. ksrha@cnu.ac.kr
  • 2Department of Otolaryngology, Yanbian University, College of Medicine, Yanji, China.


The primary objective of this study was to determine whether adenoid hypertrophy and subsequent adenoidectomy affect pediatric nasal airway resistance and nasal geometry. The secondary objective was to evaluate the relationships between the degree of adenoid hypertrophy and nasal airway resistance or nasal geometry. Fifty-one children, aged 5 to 10 years, selected for adenoidectomy due to chronic nasal obstruction and mouth breathing were enrolled. The size of adenoid was evaluated by cephalometric radiograph. Nasal airway resistance and nasal geometry were evaluated by active anterior rhinomanometry and acoustic rhinometry respectively. These measurements were repeated 3 months after operation. The size of adenoid was found well correlated to preoperative nasal airway resistance but was not to preoperative nasal geometry. Nasal geometry was not changed after operation. However, nasal airway resistance was reduced significantly at 3 months after operation and the size of adenoid was found well correlated to postoperative changes of nasal airway resistances.


Adenoidectomy; Nasal airway resistance; Acoustic rhinometry
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