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Comparison of Intravenous Clonidine and Magnesium Sulfate on Hemodynamic Response during Laparoscopic Surgeries

B. Jeya Rani, Assistant Professor, Department of Anesthesiology and Critical Care, Thanjavur Medical College, Thanjavur, Tamil Nadu 613004, India. , R. Kabilan1 , B. Jeya Rani2

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Indian Journal of Anesthesia and Analgesia 4(4):p 1163-1169, October-December 2017. | DOI: http://dx.doi.org/10.21088/ijaa.2349.8471.4417.40

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Abstract

Background: Both magnesium and clonidine are known to inhibit catecholamine and vasopressin release and attenuate hemodynamic response to peumoperitoneum. This randomized, double blinded, placebo controlled study was designed to assess which agent attenuates hemodynamic stress response to pneumoperitoneumin a better way. Materials and Methods: 60 patients undergoing elective laparoscopic cholecystectomy were randomized into 2 groups of 30 each. Group M patients received 50 mg/kg of magnesium sulfate in normal saline (total volume 50 ml) over 15 minutes and group C patients received 1.5g/kg clonidine in 50 ml of normal saline (total volume 50 ml) before pneumoperitoneum. Blood pressure and heart rate were recorded before induction (baseline value), at the end of infusions and every 5 minutes after pneumoperitoneum. Statistical Analysis: Chi- Square test was used for categorical data and ANOVA for inter-group comparison. Results: Intravenous administration of clonidine 1.5g/kg before pneumoperitoneumwas as effective as intravenous magnesium sulfate 50mg/kg before pneumoperitoneum in blunting the haemodynamic stress responses during laparoscopic surgeries and clonidine has lesser sedation than magnesium at extubation.

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DOI: http://dx.doi.org/10.21088/ijaa.2349.8471.4417.40

Keywords

Clonidine; Laparoscopic Surgery; Magnesium Sulfate; Pneumoperitoneum. 

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