Silent Changes in Sleep Quality Following Mandibular Setback Surgery in Patients with Skeletal Class III Malocclusion: A Prospective Study

Overview

Journal Sci Rep

Specialty Science

Date 2019 Jul 7

PMID 31278306

Citations 2

Authors

Sung Woon On

Hyun Jun Kim

Dong Hyeon Cho

Yeo Rae Moon

Seung Il Song

Affiliations

Soon will be listed here.

Abstract

Mandibular setback surgery (MSS) for skeletal class III patients can result in a relative reduction of pharyngeal airway space (PAS). Consequently, there is a possibility of the decline of sleep quality after surgery. We investigated changes in sleep quality measured by overnight polysomnography (PSG) and the three-dimensional (3D) volumes of PAS following MSS with or without Le Fort I osteotomy (LF I) in class III patients (N = 53). Overnight PSG and cone beam computed tomography were conducted at preoperative stage (T0) and postoperative 3 months (T1). Measurements of PAS volumes were performed, and the subjective symptoms of sleep were evaluated by self-questionnaires. There were significant increases in respiratory disturbance index (RDI) and total respiratory effort-related arousal (RERA) index during T0-T1. The 3D volumes of PAS showed significant decreases in the oropharyngeal airway, hypopharyngeal airway, and total airway spaces. No significant changes were observed in subjective symptoms of sleep. MSS with or without LF I for class III patients could worsen sleep quality by increasing sleep parameters such as the RDI and RERA in PSG, and reduce volumes of PAS at postoperative 3 months. Although subjective symptoms may not show significant changes, objective sleep quality in PSG might decrease after MSS.

Citing Articles

Changes in the pharyngeal airway after different orthognathic procedures for correction of class III dysplasia.

Khaghaninejad M, Khojastehpour L, Danesteh H, Changizi M, Ahrari F Maxillofac Plast Reconstr Surg. 2022; 44(1):23.

PMID: 35678935 PMC: 9184694. DOI: 10.1186/s40902-022-00352-8.

Why most patients do not exhibit obstructive sleep apnea after mandibular setback surgery?.

Kim J, Kwon T Maxillofac Plast Reconstr Surg. 2020; 42(1):7.

PMID: 32206666 PMC: 7078420. DOI: 10.1186/s40902-020-00250-x.

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