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Changes in posterior airway space, pulmonary function and sleep quality, following bimaxillary orthognathic surgery.
Int J Oral Maxillofac Surg. 2012 Jul; 41(7):820-9.IJ

Abstract

Bimaxillary orthognathic surgery (BOS) is commonly used in the correction of severe Class III deformities (mandibular prognathism with maxillary retrognathism). The postural response of the pharyngeal airway after mandibular setback and maxillary advancement procedures is clinically crucial for maintaining optimum respiration. Patients might suffer from obstructive sleep apnoea, postoperatively. The aim of this study was to determine the effects of BOS on pharyngeal airway space, respiratory function during sleep and pulmonary functions. 21 male patients were analysed using cephalometry, spirometry for pulmonary function tests, and a 1 night sleep study for full polysomnography before and 17±5 months after BOS. The data show that the hyoid bone repositioned to the inferior, the tongue and soft palate displaced to the posterior, narrowed at the oropharynx and hypopharynx and widened at the nasopharynx and velopharynx levels significantly (p<0.05). The alterations indicated decreased airway resistance and better airflow. As a consequence of polysomnography evaluation, the sleep quality and efficiency of the patients improved significantly after BOS. Patients who undergo BOS should be monitored with pulmonary function tests and polysomnography pre- and postoperatively to detect any airway obstruction.

Authors+Show Affiliations

Gulhane Military Medical Academy, Dental Sciences Center, Department of Orthodontics, Etlik, Ankara, Turkey. silagokce@yahoo.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

22476009

Citation

Gokce, S M., et al. "Changes in Posterior Airway Space, Pulmonary Function and Sleep Quality, Following Bimaxillary Orthognathic Surgery." International Journal of Oral and Maxillofacial Surgery, vol. 41, no. 7, 2012, pp. 820-9.
Gokce SM, Gorgulu S, Gokce HS, et al. Changes in posterior airway space, pulmonary function and sleep quality, following bimaxillary orthognathic surgery. Int J Oral Maxillofac Surg. 2012;41(7):820-9.
Gokce, S. M., Gorgulu, S., Gokce, H. S., Bengi, O., Sabuncuoglu, F., Ozgen, F., & Bilgic, H. (2012). Changes in posterior airway space, pulmonary function and sleep quality, following bimaxillary orthognathic surgery. International Journal of Oral and Maxillofacial Surgery, 41(7), 820-9. https://doi.org/10.1016/j.ijom.2012.01.003
Gokce SM, et al. Changes in Posterior Airway Space, Pulmonary Function and Sleep Quality, Following Bimaxillary Orthognathic Surgery. Int J Oral Maxillofac Surg. 2012;41(7):820-9. PubMed PMID: 22476009.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Changes in posterior airway space, pulmonary function and sleep quality, following bimaxillary orthognathic surgery. AU - Gokce,S M, AU - Gorgulu,S, AU - Gokce,H S, AU - Bengi,O, AU - Sabuncuoglu,F, AU - Ozgen,F, AU - Bilgic,H, Y1 - 2012/04/03/ PY - 2011/01/24/received PY - 2011/10/07/revised PY - 2012/01/05/accepted PY - 2012/4/6/entrez PY - 2012/4/6/pubmed PY - 2012/12/10/medline SP - 820 EP - 9 JF - International journal of oral and maxillofacial surgery JO - Int J Oral Maxillofac Surg VL - 41 IS - 7 N2 - Bimaxillary orthognathic surgery (BOS) is commonly used in the correction of severe Class III deformities (mandibular prognathism with maxillary retrognathism). The postural response of the pharyngeal airway after mandibular setback and maxillary advancement procedures is clinically crucial for maintaining optimum respiration. Patients might suffer from obstructive sleep apnoea, postoperatively. The aim of this study was to determine the effects of BOS on pharyngeal airway space, respiratory function during sleep and pulmonary functions. 21 male patients were analysed using cephalometry, spirometry for pulmonary function tests, and a 1 night sleep study for full polysomnography before and 17±5 months after BOS. The data show that the hyoid bone repositioned to the inferior, the tongue and soft palate displaced to the posterior, narrowed at the oropharynx and hypopharynx and widened at the nasopharynx and velopharynx levels significantly (p<0.05). The alterations indicated decreased airway resistance and better airflow. As a consequence of polysomnography evaluation, the sleep quality and efficiency of the patients improved significantly after BOS. Patients who undergo BOS should be monitored with pulmonary function tests and polysomnography pre- and postoperatively to detect any airway obstruction. SN - 1399-0020 UR - https://www.unboundmedicine.com/medline/citation/22476009/Changes_in_posterior_airway_space_pulmonary_function_and_sleep_quality_following_bimaxillary_orthognathic_surgery_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0901-5027(12)00005-7 DB - PRIME DP - Unbound Medicine ER -