A Comparative Study between Ketamine and Lidocaine to Decrease Propofol Injection Pain during Induction of Anesthesia | OMICS International| Abstract
ISSN: 2167-0846

Journal of Pain & Relief
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  • Research Article   
  • J Pain Relief,

A Comparative Study between Ketamine and Lidocaine to Decrease Propofol Injection Pain during Induction of Anesthesia

Bikash Khadka* and Nil Raj Sharma*
*Corresponding Author (s) : Bikash Khadka, Department of Anesthesia and Pain Medicine, Lumbini Medical College and Teaching Hospital, Palpa, Nepal, Email: [email protected]
Nil Raj Sharma, Department of Anesthesia, Lumbini Medical College and Teaching Hospital, Palpa, Nepal

Received Date: Feb 02, 2021 / Accepted Date: Feb 17, 2021 / Published Date: Feb 24, 2021


Introduction: Pain during the injection of anesthetic agents may be distressing to the patients and can reduce the acceptability of an otherwise useful agent such as propofol for short cases and day care surgeries. Lidocaine and ketamine both are used as pre-treatment to decrease propofol-related injection pain. This study aims to compare the effectiveness of ketamine injection to decrease propofol- induced pain in comparison to lidocaine injection.
Method: This is a cross-sectional comparative study. 89 cases were divided into two groups where group K received ketamine 2 ml (0.2 mg/kg) whereas group L received lidocaine 2% 2 ml (0.5 mg/kg) as pre-treatment medication after venous occlusion with rubber tourniquet. 1/4th dose of propofol was injected 1 min after release of tourniquet and pain accessed at 0, 1 and 2 minutes of propofol injection with a verbal response and behavioral signs. Chi-square test and paired T-test were used and a p-value less than 0.05 were considered significant.
Results: Regarding hemodynamic, oxygenation, and adverse effects there was no significant difference between the two groups. Immediately after propofol injection, only one patient from the ketamine group had mild pain (2.22%) while 12 patients from the lignocaine group had mild pain (27.27%) which was statistically significant with a p-value of 0.009. Two minutes after propofol injection, only 12 cases had mild pain i.e. 13.48% (1 from the ketamine group i.e. 2.22% and 11 from lignocaine group i.e. 25%) which was statistically significant (p-value 0.002). Ketamine with its local anesthetic and analgesic effect can be equally effective to lidocaine.
Conclusion: Our study helps prove that low-dose ketamine is more effective in reducing the incidence and severity of pain on injection of propofol in comparison to lidocaine. Better hemodynamic of ketamine with no any emergence incidence improves its efficacy.

Keywords: Propofol; Ketamine; Lidocaine; Pain; Pretreatment

Citation: Khadka B and Sharma NR (2021) A Comparative Study between Ketam ine and Lidocaine to Decrease Propofol Injection Pain during Induction of Anesth esia. J Pain Relief 10:370.

Copyright: © 2021 Khadka B, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.