Abstract
Background
The purpose of the present study is to review the international literature, using a systematic review, for studies comparing propofol and dexmedetomidine for drug-induced sleep endoscopy (DISE) or sedation in which there is a description of the effect of the agents on the upper airway and associated variables (e.g., vital signs, sedation scores).
Methods
This is a systematic review through October 4, 2016. PubMed/MEDLINE and four additional databases were accessed for this study.
Results
Two hundred twenty studies were screened, 79 were downloaded, and 10 met criteria. The majority of the studies identified dexmedetomidine as the preferred pharmacologic agent for DISE due to an overall safer and more stable profile based upon hemodynamic stability. However, propofol provided greater airway obstruction with oxygen desaturations. With either agent, the degree of obstruction in the upper airway lacks some degree of validity as to whether the obstructions accurately represent natural sleep or are simply a drug-induced effect.
Conclusion
Dexmedetomidine and propofol have their advantages and disadvantages during DISE. Generally, dexmedetomidine was preferred and seemed to provide a more stable profile based upon cardiopulmonary status. However, propofol has a quicker onset, has a shorter half-life, and can demonstrate larger degrees of obstruction, which might more accurately reflect what happens during REM sleep. Additional research is recommended.
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