COMPARATIVE STUDY OF PROPOFOL AUTO-COINDUCTION VERSUS KETAMINE PROPOFOL COINDUCTION USING PRIMING PRINCIPLE BY BISPECTRAL INDEX ANALYSIS FOR DAY CARE SURGERY

Abstract

Aim: The aim of our study was to do the comparison of Propofol Auto-coinduction versus Ketamine Propofol coinduction using priming principle by bispectral index analysis for day care surgery. Methods: 150 patients participated in our study at Govt. Medical College and Rajindra Hospital, Patiala. Patients aged above 18 years and ASA Grade I and II scheduled to undergo elective surgery were included in this prospective, randomized controlled trial. All patients were randomly assigned into 3 groups of 50 each. Group A- patients were given Propofol 0.5mg/kg body wt., Group B- patients were given Ketamine 0.5mg/kg body wt., Group C- patients were given normal saline 2.5ml 2 minutes before induction. Patients were induced with injection Propofol 1% at rate of 30mg/10 sec until BIS value reaches to 40. Induction dose requirements of Propofol, Haemodynamic parameters including HR, MAP, SBP, DBP,SPO2, ECG, RR were recorded. Incidence of post op complications / side effects were also recorded. Data was tabulated and subjected to statistical analysis. Results:  Groups were comparable to each other with respect to age, weight, gender, ASA status. Significant difference was found in HR, SBP, DBP between Group A and Group B at 1 minute and 2 minute after coinduction. MAP shows statistically highly significant (p < 0.001) results after 1minute and 2 minute of coinduction. Total dose of propofol required and mean BIS value shows highly significant results when compared between groups. Conclusion: In conclusion, our study identified that overall dosage of propofol was significantly lower when modest doses of propofol and ketamine were given beforehand than when a placebo was used. When used as an induction agent, ketamine offers better haemodynamic stability.  

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