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Year 2019

Volume: 6 , Issue: 3

Print ISSN:-2394-4781

Online ISSN:-2394-4994

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Indian Journal of Clinical Anaesthesia


To assess the effect of oral melatonin premedication on propofol requirement for induction in entropy guided general anaesthesia- A randomised double blind study


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Article Type : Research Article

Author Details: Nethra S.S,Ranjitha Gangadharaiah*,Shubha ,Sudheesh K,Devika Rani

Volume : 6

Issue : 3

Online ISSN : 2394-4994

Print ISSN : 2394-4781

Article First Page : 410

Article End Page : 414


Abstract

Introduction: Premedication plays an important role in providing anxiolysis prior to surgery, reduce the intraoperative requirement of intravenous anesthetics and manage perioperative pain. Melatonin premedication has been shown to allay pre-operative anxiety, produce postoperative sedation and reduce analgesic requirement. This study aims to assess the effect of oral melatonin premedication on propofol requirement for induction of anaesthesia.
Materials and Methods: A randomized double blind study was performed on 70 patients of American Society of Anaesthesiologists (ASA) I and II status after obtaining ethical committee clearance. Patients received 3 mg oral melatonin (group M) or placebo (group C) as premedication 60 min prior to surgery (n= 35 in each group). The requirement of propofol for induction was noted using entropy. Patients were assessed for preoperative anxiety using Hamilton anxiety rating scale (HAM) and peri-operative sedation using Ramsay sedation scale (RSS).
Results: The demographic variables were comparable between the 2 groups. There was significant difference between the mean propofol dose requirements for induction in group M and C i.e., 0.96 ± 0.1mg/kg and 2 ± 0.26 mg/kg respectively, with p < 0>
Conclusion: Oral melatonin premedication reduces the induction dose of propofol.

Keywords: Melatonin, Anxiety, Sedation, Propofol consumption.

Doi :-https://doi.org/10.18231/j.ijca.2019.079