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ORIGINAL ARTICLE
Year : 2016  |  Volume : 10  |  Issue : 3  |  Page : 446-450

Efficacy of dexmedetomidine and fentanyl on pressor response and pneumoperitoneum in laparoscopic cholecystectomy


Department of Anaesthesia, Government Medical College, Amritsar, Punjab, India

Correspondence Address:
Ramita Kashyap
Department of Anaesthesia, Government Medical College, Amritsar - 143 001, Punjab
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0259-1162.176407

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Background: The advent of laparoscopic surgeries has proved to be beneficial for both patient and surgeon although increased morbidity may result from hemodynamic changes associated with laryngoscopy, intubation, and pneumoperitoneum (PNP). Aim: The present study was prospective, randomized, double-blind conducted to evaluate the efficacy of dexmdetomidine and fentanyl in attenuation of pressor responses to laryngoscopy, intubation, and PNP in laparoscopic cholecystectomy (LC). Materials and Methods: A total of 60 patients of 18–65 years, American Society of Anaesthesiologists Class I/II of either sex for elective LC, were included. The patients were divided into two groups of 30 patients each. Group I received dexmedetomidine and Group II Fentanyl loading 1 μg/kg over 15 min followed by maintenance 0.2 μg/kg/h throughout the PNP. Measurements: Heart rate (HR), systolic blood pressure, diastolic blood pressure, and mean arterial blood pressure (MAP) were recorded preoperatively, 15 min after infusion of study drug, 1 min after induction, 1 min after intubation, throughout the PNP, end of surgery, and until 60 min in postoperative period. Sedation score, visual analog scale score along with modified Alderete score applied in postanesthesia care unit. Results: Control of HR and MAP in Group I was better than in Group II during laryngoscopy, intubation and PNP. There was also smooth extubation, less sedation and better control of pain in Group I than in Group II. Conclusion: The present study demonstrates the benefits of dexmedetomidine over fentanyl in hemodynamic stability and analgesic quality in LC. Thus, it is establishing its utility over for attenuation of pressor response.


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