ArticleSaudi journal of anaesthesia
Evaluation of effects of intravenous infusion of dexmedetomidine or lignocaine on stress response and postoperative pain in patients undergoing craniotomy for intracranial tumors: A randomized controlled exploratory study.
Article in Saudi journal of anaesthesia. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Goals of anesthesia in neurosurgery include stable cerebral hemodynamics and provide relaxed brain to surgeon. Dexmedetomidine and lignocaine as an adjuvant can fulfill these criteria but literature comparing the two are sparse. We compared the effects of intravenous infusion of dexmedetomidine or lignocaine on stress response, postoperative pain, and recovery in patients undergoing craniotomy for intracranial tumors. Methods: Approval was obtained from IEC, and the study was prospectively registered (CTRI/2022/11/047434). Written and informed consent was obtained from 105 patients fulfilling inclusion criteria, and they were divided into three groups. Group D received intravenous infusion of dexmedetomidine 1 mcg/kg over 15 minutes followed by infusion at rate of 0.5 mcg/kg/h, Group L received intravenous infusion of lignocaine 2 mg/kg over 15 minutes followed by infusion at rate of 1.5 mg/kg/h, and Group N received intravenous infusion of normal saline at the rate of 4-8 ml/h till skin suturing. SPSS v23 (IBM Corp.) was used for data analysis. Results: There was a significant difference between groups in terms of intraoperative hemodynamic variations, brain relaxation score, extubation criteria, postoperative pain, stress indicator response, and quality of recovery. Conclusions: Dexmedetomidine as an adjuvant to anesthetic drugs has a better profile than lignocaine in suppressing stress response and preventing hemodynamic variations at intubation, skull pin application, and surgical incision. Dexmedetomidine increases the duration of effective analgesia more than lignocaine, in postoperative period in patients undergoing craniotomy.
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