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  • Title: [Management of micrognathia deformity associated with obstructive sleep apnea syndrome by distraction osteogenesis].
    Author: Tang Y, Gao Y, Shen G.
    Journal: Zhonghua Kou Qiang Yi Xue Za Zhi; 2000 Jan; 35(1):9-11. PubMed ID: 11831952.
    Abstract:
    OBJECTIVE: To review the early results of lengthening of the mandible by distraction osteogenesis for the correction of micrognathia deformity and treatment of the obstructive sleep apnea syndrome (OSAS) simultaneously. METHODS: 5 cases with micrognathia deformity associated with OSAS resulted from unilateral/bilateral temporomandibular joint ankylosis had undergone mandibular distraction osteogenesis. In all of the patients intraoral device was employed. Cephalometric radiographs and polysomnograms were obtained preoperatively and postoperatively. RESULTS: The average distraction distance was 15.28 mm (range 8.5 mm to 24.4 mm). The micrognathia deformity was corrected effectively, at the mean time the incapacious pharyngeal airway was ameliorated. The patients' Apnea Index (AI) had been decreasing, SaO(2) during sleep had got to rise. CONCLUSIONS: Compared with the traditional surgery for the micrognathia associated with OSAS, the technique of mandibular distraction osteogenesis has the advantages of avoiding bone grafting and donor side morbidity, expanding the surrounding soft tissue concurrently, reducing the extent of operation and stability of the treatment effects.
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