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논문 기본 정보

자료유형
학술저널
저자정보
Hyun-Woo Cho (College of Medicine Inha University) Il-Kyu Kim (College of Medicine Inha University) Hyun-Young Cho (College of Medicine Inha Universityjava) Ji-Hoon Seo (College of Medicine Inha University) Dong-Hwan Lee (College of Medicine Inha University) Seung-Hoon Park (International St. Mary’s Hospital Catho)
저널정보
대한악안면성형재건외과학회 Maxillofacial Plastic Reconstructive Surgery Maxillofacial Plastic Reconstructive Surgery 제37권 제10호
발행연도
2015.10
수록면
1 - 6 (6page)
DOI
10.1186/s40902-015-0039-8

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BackgroundThe posterior movement of mandible was known as the main cause of the changes in the pharyngeal airway space (PAS) and the postoperative obstructive sleep apnea (OSA). The purpose of this study was to know the changes of PAS and position of hyoid bone. MethodsLateral cephalographies of 13 patients who had undergone sagittal split ramus osteotomy (SSRO) setback surgery were taken preoperatively (T1), postoperatively within 2 months (T2), and follow-up after 6 months or more (T3). On the basis of F-H plane, diameters of nasopharynx, oropharynx, and hypopharynx were measured. The movements of the soft palate, tongue, and hyoid bone were also measured. ResultsThe amount of mandible setback was 7.5?±?3.8 mm. In the measurements of PAS, there was a statistically significant decrease of 2.8?±?2.5 mm in nasopharynx (P?<?0.01), and 1.7?±?2.4 mm in oropharynx (P?<?0.01) were observed after surgery. The hypopharynx decreased 1.0?±?2.1 mm after surgery and continuously decreased 1.0?±?2.8 mm at follow-up. The changes in hyoid bone position showed the posterior movement only after surgery and posteroinferior movement at follow-up. ConclusionsThe PAS such as nasopharynx, oropharynx, and hypopharynx showed relatively high correlation with the amount of mandibular setback. The change of resistance in upper airway may be important for the prevention of OSA after mandibular setback surgery.

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