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ORIGINAL ARTICLE
Year : 2017  |  Volume : 11  |  Issue : 2  |  Page : 385-389

Efficacy of low-dose ketamine as sole analgesic agent in maintaining analgesia and intraoperative hemodynamics during laparoscopic gynecological surgeries


1 Department of Anesthesiology, Sri Aurobindo Institute of Medical Sciences and Mohak Hi-Tech Hospital, Indore, Madhya Pradesh, India
2 Department of Reproductive Medicine, Sri Aurobindo Institute of Medical Sciences and Mohak Hi-Tech Hospital, Indore, Madhya Pradesh, India

Correspondence Address:
Dipti Saxena
Department of Anesthesiology, Sri Aurobindo Institute of Medical Sciences and Mohak Hi-Tech Hospital, Indore, Madhya Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0259-1162.206276

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Background: Ketamine, in low doses, is known to possess intense analgesic properties. The available literature shows wide variation regarding the time and dose of administration of ketamine during surgery. Aim: The aim of this study was to evaluate the effect of intraoperative administration of ketamine when used as sole analgesic in low doses, on hemodynamics and postoperative analgesia in patients undergoing laparoscopic gynecological surgery and compared on the basis of duration of surgery. Settings and Design: This prospective, observational study was conducted from July to December 2015, over a period of 6 months in a tertiary care medical college and hospital. Materials and Methods: Seventy patients between 23 and 55 years planned for laparoscopic gynecological surgery were recruited. Ketamine was given in a dose of 0.5 mg/kg preoperatively and then repeated every ½ hourly in a dose of 0.25 mg/kg throughout the surgery. Hemodynamic parameters, time to the first rescue analgesia and complications were recorded for the first 8 h. Statistical evaluation was done and result expressed as percentage. Paired t-test was employed for the comparison of numerical variables within the group. Results: Seventy percent of the patients did not require any postoperative rescue analgesia during the first 8 h after surgery. None of the patients complained of pain immediately after extubation, and 16% of the patients had minor postoperative complications. The intraoperative hemodynamic profile was significantly altered. Duration of surgery and dose of ketamine required did not affect the duration of analgesia. Conclusion: Ketamine in low dose proved to be an efficacious analgesic even in the long duration laparoscopic gynecological surgeries. It stabilizes intraoperative hemodynamics thereby reducing the requirement of other anesthetic and antihypertensive agents.


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