A clinical survey of patients who visited the Clinic for Snoring & Obstructive Sleep Apnea at the Department of Oral and Maxillofacial Surgery, Niigata University Medical and Dental Hospital

Takashi UESUGI; Tadaharu KOBAYASHI; Yoshiyuki TAKATA; Daichi HASEBE; Toshihiko MIKAMI; Chikara SAITO

doi:10.11277/stomatology.63.251

Takashi UESUGI, Tadaharu KOBAYASHI, Yoshiyuki TAKATA, Daichi HASEBE, Toshihiko MIKAMI, Chikara SAITO

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Takashi UESUGI
Division of Reconstructive Surgery for Oral and Maxillofacial Region, Department of Tissue Regeneration and Reconstruction, Course for Oral Life Science, Niigata University Graduate School of Medical and Dental Sciences
Tadaharu KOBAYASHI
Division of Reconstructive Surgery for Oral and Maxillofacial Region, Department of Tissue Regeneration and Reconstruction, Course for Oral Life Science, Niigata University Graduate School of Medical and Dental Sciences
Yoshiyuki TAKATA
Division of Reconstructive Surgery for Oral and Maxillofacial Region, Department of Tissue Regeneration and Reconstruction, Course for Oral Life Science, Niigata University Graduate School of Medical and Dental Sciences
Daichi HASEBE
Division of Reconstructive Surgery for Oral and Maxillofacial Region, Department of Tissue Regeneration and Reconstruction, Course for Oral Life Science, Niigata University Graduate School of Medical and Dental Sciences
Toshihiko MIKAMI
Division of Reconstructive Surgery for Oral and Maxillofacial Region, Department of Tissue Regeneration and Reconstruction, Course for Oral Life Science, Niigata University Graduate School of Medical and Dental Sciences
Chikara SAITO
Division of Reconstructive Surgery for Oral and Maxillofacial Region, Department of Tissue Regeneration and Reconstruction, Course for Oral Life Science, Niigata University Graduate School of Medical and Dental Sciences

Keywords: sleep-disordered breathing, obstructive sleep apnea syndrome, oral appliance, clinical survey

JOURNAL RESTRICTED ACCESS

2014 Volume 63 Issue 3 Pages 251-259

DOI https://doi.org/10.11277/stomatology.63.251

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Abstract

The purpose of this study was to investigate patients with chief complaints of snoring and/or sleep apnea in our clinic for the past decade. The subjects were 881 patients (637 males and 244 females) with a mean age ± SD of 48 ± 15 years. Mean body mass index was 24.7 kg/m². Overnight polysomnographic evaluation was performed in 563 subjects, and the mean value of apnea hypopnea index was 23.6 times/h. The proportion of males with moderate to severe obstructive sleep apnea syndrome (OSAS) was 69.9%, which was higher than that of females (47.6%), and the incidence of moderate to severe OSAS increased with age in both males and females. For treatment, an oral appliance (OA) was provided for 369 subjects (41.9%) and surgical treatment such as laser-assisted uvulopalatoplasty or orthognathic surgery was performed in 41 subjects (4.7%) in our clinic. Nasal continuous positive airway pressure was used to treat 154 subjects (17.5%), and 67 subjects (7.6%) were treated for nasal congestion and/or tonsillar hypertrophy by an otorhinolaryngologist. The remaining 250 subjects (28.4%) refused treatment for sleep disordered breathing. The efficacy rate in subjects treated with an OA was 60.5%, though the efficacy rate in severe OSAS subjects (47.2%) was lower than those in mild and moderate OSAS subjects (54.3% and 72.4%, respectively). OA treatment is highly effective for moderate OSAS subjects. Therefore, it is important to classify the severity.

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