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Year : 2018  |  Volume : 12  |  Issue : 3  |  Page : 657-662

Comparison of effects of oral melatonin with oral alprazolam used as a premedicant in adult patients undergoing various surgical procedures under general anesthesia: A prospective randomized placebo-controlled study

Department of Anaesthesiology, J.L.N. Medical College and Hospital, Ajmer, Rajasthan, India

Correspondence Address:
Dr. Beena Thada
Department of Anaesthesiology, J.L.N. Medical College and Hospital, Ajmer, Rajasthan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/aer.AER_90_18

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Background and Aims: Preoperative anxiety is a major concern in patients undergoing any surgical procedure. Various drugs have been used to alleviate it. This study aims to compare the effects of oral melatonin versus oral alprazolam on preoperative anxiety, sedation, orientation, and cognitive function. Materials and Methods: A total of 90 adult patients were randomly allocated into three groups. Group M (n = 30) received oral melatonin 3 mg (2 tablets); Group A (n = 30) received oral alprazolam 0.25 mg (2 tablets), and Group P (n = 30) received placebo, multivitamin tablet (2 tablets) as premedication. The objectives of our study were to compare anxiety, sedation, orientation, and cognitive function using visual analog scale (VAS) anxiety score, Ramsay Sedation Score (RSS), orientation score, and Digit symbol substitution test (DSST) score before and after 120 min of giving premedication. For statistical analysis, paired t-test, Chi-square test, analysis of variance, and post hoc bonferroni test were used. Results: Mean VAS scores for anxiety (after 120 min) were significantly reduced in Group M (3.9 ± 1.53) and Group A (4.43 ± 1.67) when compared to Group P (4.73 ± 0.82) (P < 0.05). RSS was higher in Group A as compared to Group M and Group P (P < 0.05). No significant difference in orientation score was observed in all the three groups before and after premedication (P > 0.05). DSST score (cognitive function) was better in Group M when compared to both Group A and Group P (P < 0.05). Conclusion: Oral melatonin (6 mg) when used as a premedicant is an effective alternative to alprazolam regarding providing better anxiolysis, lesser sedation along with maintenance of cognitive, and psychomotor function.

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