• P Murabito, A Serra, M Zappia, L Maiolino, S Cocuzza, S Castorina, E D'Amico, G Sciacca, and P Di Mauro.
• Department of General Surgery and Medical-Surgical Specialties, Section of Anesthesia and Intensive Care, University of Catania, Catania, Italy. paola_mp86@hotmail.it.
• Eur Rev Med Pharmacol Sci. 2019 Jan 1; 23 (1): 389-396.

ObjectiveThe purpose of this study is to evaluate the haemodynamic and respiratory effects of dexmedetomidine vs. propofol in patients with OSAHS during the drug-induced sleep endoscopy (DISE), and analyze simultaneously the electromyography of genioglossus muscle.Patients And MethodsWe conducted a study on 50 patients with OSAHS; patients were subjected to DISE with simultaneous polygraphic cardiorespiratory measurement and electromyography of genioglossus muscle. Patients undergoing DISE were divided in two groups: in Group A (19 M; 8 W) was administered propofol TCI and in Group B (16 M; 7 W) was administered dexmedetomidine TCI.ResultsIn Group A, a mean minimal SpO2 decreasing of 3.7% (p=0.000) and a mean SpO2 decreasing of 1.6% (p 0.001) was noticed, while there was an increase in BP20 of 14.8% (p=0.000) and HR20 of 11.1% (p=0.000). In Group B, it was showed a decreasing of mean minimal SpO2 and mean SpO2 values, about 1.8% (p=0.000) and 1.1% (p 0.009) respectively, while there was an increase of BP20 and HR20, about 8.7% (p=0.000) and 8% (p 0.002), respectively. Despite EMG activity comparing spontaneous sleep with propofol-DISE, there is a statistically significative change for the amplitude (p=0.040) and an increase of 7.01% for the area under the curve (AUC). Comparing spontaneous sleep with dexmedetomidine-DISE induced one, there is only an increase of 25.87% in the AUC.ConclusionsA greater worsening of the cardio-respiratory basal values was noted after sleep induction with Propofol and same results were obtained confronting EMG of genioglossus muscle data.

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