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Updated: Oct 22, 2025

Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea
Published on: December 6, 2016
Management of obstructive sleep apnea in children: a Canada-wide survey
J Cousineau1, A-S Prévost1, M-C Battista2
1Department of Surgery, Division of Otolaryngology - Head and Neck Surgery, Université de Sherbrooke, CIUSSSE-CHUS - 580 rue Bowen Sud, Sherbrooke, QC, J1G 2E8, Canada.
Insights
Pediatric obstructive sleep apnea management lacks consensus among Canadian otolaryngologists, particularly regarding drug-induced sleep endoscopy (DISE) use and timing. Further standardization is needed for optimal treatment and to prevent unnecessary surgeries.
Area of Science:
- Otolaryngology
- Pediatric Sleep Medicine
- Diagnostic Endoscopy
Background:
- Obstructive sleep apnea (OSA) often persists in children post-adenotonsillectomy.
- Drug-induced sleep endoscopy (DISE) is increasingly used for pediatric OSA assessment but lacks standardized protocols.
- Canadian otolaryngologists' current practices in managing pediatric OSA were investigated.
Purpose of the Study:
- To document the current practice patterns of Canadian otolaryngologists in managing pediatric obstructive sleep apnea.
- To assess the indications, performance, and management strategies related to drug-induced sleep endoscopy (DISE) in children.
- To identify areas of consensus and lack of consensus in the management of pediatric OSA.
Main Methods:
- A nationwide online cross-sectional survey was distributed to Canadian otolaryngologists.
- The 58-question survey assessed management of pediatric OSA and the use of DISE.
- Consensus was defined as at least 75% agreement among respondents.
Main Results:
- A low overall agreement rate (55%) was observed across 109 respondents regarding pediatric OSA management.
- Consensus was reached on clinical assessment methods for OSA and adenotonsillar hypertrophy.
- No consensus existed on anesthetic protocols or scoring systems for DISE; it was primarily used post-adenotonsillectomy.
Conclusions:
- Significant lack of consensus exists in the Canadian management of pediatric obstructive sleep apnea and the utilization of DISE.
- Key aspects of DISE, including optimal timing to potentially avoid unnecessary tonsillectomies, require further clarification and standardization.
Background:
Obstructive sleep apnea frequently persists in children following adenotonsillectomy, which is the first-line treatment recommended for obstructive sleep apnea with adenotonsillar hypertrophy. Drug-induced sleep endoscopy (DISE) is a diagnostic tool increasingly used to assess pediatric obstructive sleep apnea, but its use has not been standardized. The overarching goal of this study was to document the current practice of Canadian otolaryngologists managing this population.
Methods:
A nation-wide online cross-sectional survey of Canadian otolaryngologist members of the Canadian Society of Otolaryngology - Head and Neck Surgery and the Association d'otorhinolaryngologie et chirurgie cervico-faciale du Québec. The 58-question electronic survey was developed based on a validated survey redaction guide with the aim to assess management and treatment of pediatric obstructive sleep apnea, as well as indications and performance of DISE. Consensus on practice items was defined by a minimum of 75% similar answers.
Results:
One hundred and nine Canadian otolaryngologists completed the survey on management of pediatric obstructive sleep apnea, among which 12 of them completed the questions on DISE. Overall, there was a poor rate of agreement of 55% among the respondents for the 58 questions altogether. There was a consensus to assess pediatric obstructive sleep apnea clinically ± with videos (82.6%), to assess adenotonsillar hypertrophy clinically (93.6%) and with flexible scope in the office (80.7%), as well as for the airway sites examined endoscopically during DISE. However, there was no consensus regarding anesthetic protocol and scoring system. DISE was mostly performed in cases of persistent obstructive sleep apnea after adenotonsillectomy rather than before performing any surgical procedure. There was no difference in the management of obstructive sleep apnea between otolaryngologists who perform DISE and those who do not. The only difference between otolaryngologists who practice in community centers versus in tertiary care centers was the more frequently use of the Brodsky tonsil scale by the latter ones.
Conclusion:
This Canadian-wide survey highlighted a lack of consensus in the management of pediatric obstructive sleep apnea and DISE. Certain aspects regarding DISE remain unclear, including establishment of its ideal timing in order to eventually avoid unnecessary tonsillectomies.
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