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The Effect of Positional Dependency on Outcomes of Treatment With a Mandibular Advancement Device
Cited 38 time in
Web of Science
Cited 49 time in Scopus
- Authors
- Issue Date
- 2012-05
- Publisher
- American Medical Association
- Citation
- Archives of Otolaryngology - Head and Neck Surgery, Vol.138 No.5, pp.479-483
- Abstract
- Objective: To evaluate retrospectively the efficacy of the mandibular advancement device (MAD) in patients with obstructive sleep apnea in terms of positional dependency. Design: Retrospective analysis. Setting: Academic tertiary referral center. Patients: One hundred patients with obstructive sleep apnea treated with the MAD at the Department of Otorhinolaryngology sleep clinic were included from January 1, 2005, through December 31, 2010. Interventions: All patients underwent nocturnal full-night polysomnography before and at least 3 months after intraoral MAD application. Main Outcome Measures: Treatment results and prognostic factors deciding the success of MAD application. Results: Of the 100 patients, 80 showed positional dependency and 20 showed nondependency. In the position-dependent obstructive sleep apnea group, the median (interquartile range) apnea-hypopnea index (AHI) decreased from 32.1 (24.4-41.9) to 8.6 (3.7-13.8) (P<.001); in the nondependent group, from 56.4 (26.2-71.5) to 15.7 (6.8-30.7) (P<.001). The success rate (AHI reduction >= 50% and AHI <10) was 57.5% and 30.0% in position-dependent and position-nondependent groups, respectively (P=.04). Conclusion: Identifying patients with obstructive sleep apnea as position dependent or nondependent may have important therapeutic implications in predicting the outcome of MAD treatment.
- ISSN
- 0886-4470
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