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Comparison of efficacy of oral pregabalin and oral paracetamol as pre-emptive analgesics in patients receiving spinal anaesthesia for lower limb surgeries

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Original Article

Author Details : Suprit Shivraj, Vidya Patil*

Volume : 7, Issue : 2, Year : 2020

Article Page : 355-359

https://doi.org/10.18231/j.ijca.2020.064

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Abstract

Introduction: Pre-emptive analgesia is - blockade of afferent nerve fiber before surgical stimulus. Preemptive
analgesia reduces the physiological consequences of nociceptive transmission provoked by the
procedure. Pre-emptive analgesia has the potential to be more effective than a similar analgesic treatment
initiated after surgery. Consequently, immediate postoperative pain may be reduced and the development
of chronic pain may be prevented. Aim of this study was to evaluate the efficacy of preemptive Pregabalin
and Paracetamol and comparison between the two.
Materials and Methods: 120 patients of ASA class 1 and 2 scheduled for lower limb surgeries under
spinal anaesthesia were randomly allocated into two groups of 60 each, Group PG received Pregabalin
150 mg & group PA received 1gm Paracetamol, 1 hour before surgeries respectively, Spinal anaesthesia
technique was standardized to all patients. Post operative pain was assessed using VAS at 2, 4, 6, 12, 24
hours after surgery. If VAS more than 3, rescue analgesia was given as Inj. Tramadol 1mg/kg. Time of first
rescue analgesic & total amount of analgesic over 24 hours noted.
Results: Mean VAS for group PG at 2, 4, 6, 12, and 24 hours after surgery was lower compared to the
group PA. Time of first rescue analgesia (4.31.2 hrs PG vs 3.31.1 Hrs PA) and total number of rescue
analgesia for 24 hours period post operatively was significantly lesser for group PG compared to PA.
Conclusion: Pre-operative administration of oral Pregabalin 150mg was an effective adjuvant for acute
pain after surgery compared to oral Paracetamol 1000mg.

Keywords: Pre-emptive analgesia, Pregabalin, Paracetamol, Postoperative pain, Visual analogue score, Tramadol, Rescue analgesia.

How to cite : Shivraj S , Patil V , Comparison of efficacy of oral pregabalin and oral paracetamol as pre-emptive analgesics in patients receiving spinal anaesthesia for lower limb surgeries. Indian J Clin Anaesth 2020;7(2):355-359

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