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Year : 2013  |  Volume : 29  |  Issue : 2  |  Page : 179-182

A comparative study to evaluate the effect of intranasal dexmedetomidine versus oral alprazolam as a premedication agent in morbidly obese patients undergoing bariatric surgery

Department of Anesthesia MAMBS, MAX Superspeciality Hospital, Saket, New Delhi, India

Correspondence Address:
Lakshmi Jayaraman
SRINIVAS H426, Palam Vihar, Gurgaon, Haryana - 122 017
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-9185.111680

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Background: Morbidly obese patients with obstructive sleep apnea are extremely sensitive to sedative premedication. Intranasal dexmedetomidine is painless and quick acting. Intranasal dexmedetomidine can be used for premedication as it produces adequate sedation and also obtund hemodynamic response to laryngoscopy and tracheal intubation. Materials and Methods: Forty morbidly obese patients with BMI > 35 were chosen and divided into two groups. Group DEX received intranasal dexmedetomidine 1 mcg/kg (ideal body weight) while other group (AZ) received oral alprazolam 0.5 mg. Sedation scale, heart rate and the mean arterial pressure was assessed in both the groups at 0 hour, 45 minutes, during laryngoscopy and tracheal intubation. Results: The demographic profile, baseline heart rate, means arterial pressure, oxygen saturation and sedation scale was comparable between the two groups. The sedation scores, after 45 min, were statistically significant between the two groups i.e., 2.40 ± 1.09 in the AZ group as compared to 3.20 ± 1.79 in DEX group P value 0.034. The heart rate, mean arterial pressure and oxygen saturation were statistically similar between the two groups, after 45 min. The heart rate was significantly lower in the DEX group as compared to the AZ group. There was no statistical difference in the mean arterial pressure between the two groups either during laryngoscopy or tracheal intubation. Conclusion: Intranasal dexmedetomidine is a better premedication agent in morbidly obese patients than oral alprazolam.

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