구호흡 어린이에서 수면호흡장애와 상기도와의 관계
Relationship between Upper Airway and Sleep-Disordered Breathing in Children with Mouth Breathing
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참고문헌
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초록
구호흡을 야기하는 가장 흔한 원인은 상기도의 폐쇄이다. 구호흡은 수면호흡장애의 병인론적 원인이 될 수 있으며, 어린이에서 수면호흡장애는 성장장애와 행동학적 문제를 일으킬 수 있다. 이 연구의 목적은 구호흡 어린이에서 수면호흡장애와 상기도와의 관계를 조사하고자 함에 있다. 초진 설문지에서 구호흡이 있다고 응답한 7 - 9세의 20명 남자 어린이를 대상으로 하였다. 편도평가, 구호흡 및 수면호흡장애와관련된 설문지, 측모두부 방사선사진, 그리고 휴대용 간이수면검사를 시행하였다. 수면호흡장애에 대한 평가로 무호흡-저호흡 지수(apnea-hypopnea index, AHI), 산소불포화 지수(oxygen desaturation index, ODI)와 측모두부 방사선 사진을 통해 측정한 상기도 폭경과의 관계를 평가하였다. 상기도 부위 중 후구개 거리와 후설 거리는 무호흡-저호흡 지수와 산소불포화 지수가 커질수록 좁아지는 경향을 보였다(p = 0.002, p = 0.001). 또한, 편도의 크기와는 유의한 상관관계는 없었지만, 아데노이드 비대율의 경우 무호흡-저호흡 지수가 비정상군이 정상군에 비해 아데노이드가 비대하였다(p = 0.008). 이 연구결과를 통해 구호흡이 상기도에 영향을 미칠 수 있고 이는 수면호흡장애까지 연관될 수 있음을 확인할 수 있었다.
Abstract
The most common cause of mouth breathing is obstacles caused by mechanical factors in upper airway. Mouth breathing could be consequently pathological cause of sleep-disordered breathing. Sleep-disordered breathing in children can cause growth disorders and behavioral disorders. The purpose of this study was to investigate relationship between upper airway and sleep-disordered breathing in children with mouth breathing. Twenty boys between 7 - 9 years old who reported to have mouth breathing in questionnaire were evaluated with clinical examination, questionnaires, lateral cephalometric radiographs, and portable sleep testing. This study assessed apnea-hypopnea index (AHI) and oxygen desaturation index (ODI) for the evaluation of sleep-disordered breathing and was done to investigate the correlation between these values and the upper airway width measured by lateral cephalometric radiographs. There was no significant correlation with the size of the tonsils (p = 0.921), but the adenoid hypertrophy was higher in the abnormal group than in the normal group (p = 0.008). In the classification according to AHI and ODI, retropalatal and retroglossal distance showed a statistically significant decrease in the abnormal group compared to the normal group (p = 0.002, p = 0.001). As AHI and ODI increased, upper airway width tended to be narrower. This indicates that mouth breathing could affect the upper airway, which is related to sleep quality.
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