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Sleep and Breathing

, Volume 22, Issue 4, pp 925–931 | Cite as

The role of drug-induced sleep endoscopy: predicting and guiding upper airway surgery for adult OSA patients

  • Yan Wang
  • Chuanyu Sun
  • Xinhua Cui
  • Ying Guo
  • Qirong Wang
  • Hui LiangEmail author
Sleep Breathing Physiology and Disorders • Original Article

Abstract

Purpose

Obstructive sleep apnea (OSA) is a common sleep disorder that can be corrected with upper airway surgery. Prior to surgery, drug-induced sleep endoscopy (DISE) is routinely used to evaluate obstruction sites and severity. Evidence suggests that the findings of DISE may relate to the final surgical outcome. Therefore, we evaluated the ability of drug-induced sleep endoscopy to predict the final effect of upper airway surgery and potentially to guide surgical treatment decision-making.

Methods

A retrospective analysis was conducted on 85 adult patients with OSA (50 men with mean apnea-hypopnea index [AHI] 30 ± 15 events/h) who underwent DISE followed by tonsillectomy, uvulopalatopharyngoplasty (UPPP), or a combination of the two. Surgery outcome was evaluated at follow-up by polysomnography. Success response to surgery was defined as a postoperative value of the AHI< 20 events/h and more than 50% postoperative reduction of AHI.

Results

Of the 85 patients evaluated, 48 (53%) were responders. DISE revealed significant differences between the two groups. Specifically, complete circumferential collapse at the velum and complete anterior-posterior collapse at the tongue base occurred at higher frequencies in nonresponders. In contrast, the presence of grade 3–4 tonsillar hypertrophy and anterior-posterior mild/partial collapse at the velum were positively associated with responders.

Conclusions

Our results suggest that DISE may help predict the final outcome of tonsillectomy, UPPP, or a combination of the two in adult patients with OSA. The use of DISE shows potential to guide treatment decisions for individual patients with OSA.

Keywords

Obstructive sleep apnea Drug-induced sleep endoscopy Upper airway surgery VOTE classification 

Notes

Acknowledgments

Thanks are due to all the medical staff in the departments of otorhinolaryngology and anesthesiology for assistance with the experiments.

Funding

This work was supported by the Jinan Science and Technology Bureau [No. 201503020].

Compliance with ethical standards

Ethical approval

All studies have been performed in accordance with and approved by the Shandong Provincial QianFoShan Hospital human ethics committee and have, therefore, been performed in accordance with the Declaration of Helsinki and its amendments. For this type of study, formal consent is not required.

Conflict of interest

The authors declare that they have no conflicts of interest.

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  1. 1.Taishan Medical UniversityTai’anChina
  2. 2.Department of Endoscopy and AnesthesiologyShandong Provincial Qianfoshan HospitalJinanChina
  3. 3.Department of OtorhinolaryngologyShandong Provincial Qianfoshan HospitalJinanChina

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