PROPHYLACTIC LOW DOSE KETAMINE IN PREVENTING PERI-OPERATIVE SHIVERING DURING SPINAL ANESTHESIA IN ORTHOPEDIC PATIENTS

Main Article Content

Muhammad Javed khan
Saira khan
Rumman Khan

Keywords

Orthopedic patients Prophylactic, ketamine, Pre-operative shivering, Spinal anesthesia

Abstract

Background: Shivering is observed in almost 35 -85 % of the cases after spinal anesthesia. Usually use of pharmaceuticals and physical techniques like external heating is carried to prevent peri-operative hypothermia and shivering. 


Objective: To evaluate the efficacy of low dose ketamine in avoiding peri-operative shivering in orthopedic patients taking spinal anesthesia. 


Methodology: This was prospective study conducted at the Anaesthesia Department Khyber Teaching Hospital Peshawar. The study was conducted for a period of six months from January 2023 to June 2023. Totally, 100 patients were incorporated. Group 1 patients (n=50) were given low dose of ketamine (0.2 mg/kg iv) after spinal anesthesia while group 2 patients (n=50) were given 5ml of saline after spinal anesthesia. Axillary/frontal temperature was measured at 0, 15 and 30 minutes after spinal anesthesia. 


Results: In group 1, shivering was observed in 2 (4%), 2 (4%) and 4 (8%) patients after 0, 15 and 30 minutes respectively while in group 2, shivering was observed in 0, 10 (20%) and 16 (32%) patients after 0, 15 and 30 minutes respectively (p=0.006). In group 1, rescue maneuver was used in 7 (14%) patients while group 2 rescue maneuver was used in 14 (28%) patients. This difference was statistically significant (p=0.005) 


Conclusion: The study concludes that prophylactic Low dosage of ketamine is effective in preventing shivering during spinal anesthesia in orthopedic patients. 

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