Obstructive Sleep Apnea Airway Evaluation

Status Active, not recruiting

Clinical Trial Summary

Current practice guidelines recommend obstructive sleep apnea (OSA) patients to stay in the post anesthetic care unit (PACU) until the risk of respiratory depression has subsided. Inevitably, a greater demand on hospital resource utilization in these patients will increase health care cost. Polysomnography (PSG) and screening questionnaires can identify OSA but they are limited by accessibility and false positive results, respectively. Inaccurate OSA identification misguides postoperative surveillance plan. In contrast with MRI and CT scans, ultrasound is more accessible and more likely a practical tool for OSA screening. However, before clinical application, airway ultrasound (US) exam must undergo vigorous testing to check its utility, accuracy, inter-observer reliability and its ability to identify OSA and its severity.

Clinical Trial Description

The investigators plan to recruit surgical patients at risk of OSA, exposed to sedatives,and/or general anesthesia. Surface ultrasound measurements will be conducted in a separate setting, and be correlated with the sleep study results, and a set of ultrasound parameters will be validated in this setting. Relevant clinical outcomes will be captured as well. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03361553
Study type	Observational
Source	University Health Network, Toronto
Contact
Status	Active, not recruiting
Phase
Start date	July 20, 2017
Completion date	May 22, 2023

View Details

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