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Updated: Jun 15, 2026

Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
Published on: December 6, 2016
A pilot study to evaluate posttreatment cephalometric changes in subjects with OSA.
Deeksha Arya1, Arvind Tripathi, Saumyendra Vikram Singh
1Department of Prosthodontics and Dental Material Sciences, Career Post Graduate Institute of Dental Sciences and Hospital, Chhatrapati Shahuji Maharaj Medical University, Lucknow, Uttar Pradesh, India. deeksha.arya@gmail.com
Lateral cephalograms effectively evaluate treatment for obstructive sleep apnea (OSA). This pilot study showed significant changes in pharyngeal dimensions and soft palate area after treatment with mandibular advancement devices or CPAP.
Area of Science:
- Medical imaging
- Sleep medicine
- Otolaryngology
Background:
- Obstructive sleep apnea (OSA) diagnosis relies heavily on polysomnography (PSG), which is inconvenient and costly.
- Alternative diagnostic methods are needed to assess OSA and its treatment effectiveness.
Purpose of the Study:
- To evaluate the efficacy of lateral cephalograms in assessing treatment outcomes for patients with obstructive sleep apnea (OSA).
Main Methods:
- Lateral cephalograms were taken before and after treatment in 16 OSA patients.
- Treatments included mandibular advancement devices (MAD) and continuous positive airway pressure (CPAP).
- Pharyngeal dimensions, soft palate area, and hyoid bone position were analyzed.
Main Results:
- Significant increases in pharyngeal area (P<.001) were observed post-treatment.
- Significant decreases in soft palate area (P<.001) were noted.
- Vertical hyoid bone position changed, but anteroposterior position did not show significant alteration.
Conclusions:
- Lateral cephalograms are a valuable tool for evaluating treatment effectiveness in OSA patients.
- This pilot study supports the use of cephalograms as a complementary diagnostic method for OSA treatment monitoring.
