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Inroduction & Aims: Awareness and recall causing posttraumatic stress disorder are the major hazardsof General Anaesthesia in cesarean section because of exclusion of Benzodiazepines and opioids in theanaesthetic management before baby delivery. In this study, dexmedetomidine is used as a sedative &anxiolytic to abort awareness which was measured using BIS monitor.Materials and Methods: This study was carried on 50 parturient who were scheduled for elective cesareansection. They were divided into 2 groups. Group A patients received dexmedetomidine1mcg /kg IVas aninfusion 10 min before induction. Group B patient received normal saline. Trend of BIS scores wereobserved at baseline, induction, intubation, skin incision, delivery, closure & extubation. Apgar score at 1& 5 minutes were recorded. Isolated arm response by placing spygmomanometer cuff on Right forearmwhich was inflated before induction was also used to substantiate the presence of conscious awareness.Results: A median BIS score of 55ranging from42-68 with statistically significant value of P was recorded on all occasions during surgery in the dexmedetomidine group. No statistical significancewas observed in Apgar scores between 2 groups. Negative isolated arm response was noted in thedexmedetomidine group.Conclusion : The currently used GA technique was found to be inadequate to abort awareness before babydelivery. Thereforeby comparing the clinical outcomes like good apgar score and hemodynamic stability,the use of dexmedetomidine to abolish the awareness during caesarean section was considered as safe.Keywords: Cesarean section, Dexmeditomidine, BIS score, General Anaesthesia, Apgar score.

indian journal of clinical anaesthesia

Study on evaluating the effect of Intravenous dexmedetomidine on depth of anaesthesia in patients undergoing lower segment cesarean section under general Anaesthesia