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Research Article | Volume 13 Issue:3 (, 2023) | Pages 640 - 650
A Prospective Randomised Double-Blind Study of the Effect of Magnesium Sulphate 50 Mg V/S Dexmedetomidine 25 Mcg as an Adjuvant to Epidural 0.5% 15 Ml of Bupivacaine in Patients Posted for Elective Lower Abdominal and Lower Limb Surgeries
Under a Creative Commons license
Open Access
Received
June 11, 2023
Revised
June 30, 2023
Accepted
July 14, 2023
Published
July 27, 2023
Abstract

Background: Postoperative pain is the major cause of fear and anxiety leading to prolonged hospital admission and delayed discharge rates in hospitalized patients. So, to make the patient pain free, multimodal analgesia has been used since long time. Opioids as an adjunct to epidural local anaesthetics by many people, but opioid free analgesia is a major concern in recent times to avoid its respiratory depressant and other adverse effects. Objective: studying non opioid drugs namely α2 agonist dexmedetomidine and magnesium sulphate as an adjunct to epidural bupivacaine and to compare their hemodynamic, sedative and analgesic effects. Methods: A randomized double blinded study was conducted in 60 patients of either sex belonging to ASA class I and II scheduled for elective lower abdominal and lower limb surgeries under epidural anaesthesia. They were divided randomly into two groups (n = 30). After epidural block, test dose was given with 3 ml 2% lignocaine with adrenaline. Both the groups received 15ml 0.5% bupivacaine, group MB received 50mg magnesium sulphate and group DB received 25µg dexmedetomidine. Onset and duration of sensory blockade, motor blockade; time required for first rescue analgesia; Ramsey sedation score; cardiorespiratory parameters and adverse events were recorded. Result:   Onset of sensory and motor blockade was rapid: duration of sensory and motor blockade; and the time for rescue analgesic was prolonged with higher sedation in group DB. Cardiorespiratory parameters and adverse effects were comparable between the two groups. Conclusion: Addition of dexmedetomidine to epidural bupivacaine can be advantageous with increased duration of sensory and motor blockade with arousable sedation, acceptable side effects and better patient comfort compared to addition of magnesium sulphate.

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