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Int J Pediatr Otorhinolaryngol. 1998 Jun 1;44(1):51-8.

The effect of adenotonsillectomy in children with OSA.

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Department of Otolaryngology, Sapporo Medical University, Japan.


Adenotonsillar hypertrophy and abnormal facial morphology are thought to be important for the occurrence of obstructive sleep apnea syndrome (OSA). We evaluated the effects of adenidectomy and/or tonsillectomy and the relationship between the treatment results and facial morphology in 134 children with OSA. Significant improvements in apnea-hypopnea indes (AHI) and lowest blood oxygen saturation (SaO2) were noted and 78.5% of the patients improved after adenoidectomy and/or tonsillectomy. Additional operations were needed in two out of 13 cases of the adenoidectomy group and two out of four cases of the adeno-monotonsillectomy group. In the adenotonsillectomy group, the unimproved children tended to have smaller tonsils, narrower epipharyngeal airspace, and more poorly-developed maxillary and mandibular protrusion than the improved children.

[Indexed for MEDLINE]

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