Abstract

Ultrasound (US)-guided Erector spinae plane block has recently become popular in anaesthesia practice, they have great potential to support effective postoperative pain management and it has become common analgesic method after surgery involving the lumbar spine. Aim: 1. To assess the efficacy of 0.25% Bupivacaine and 0.5% Ropivacaine in pain relief after Lumbar spine surgeries using Ultrasound guided Erector spinae plane block. 2. Requirement of first rescue dose. 3. To assess complications related to the technique and drug related adverse effects. Materials and Methods: A comparative, randomized, double blinded study was carried out on 60 ASA physical status grade I and II patients of either sex between 18-60 years of age, scheduled for elective lumbar spine surgeries. 60 patients were divided equally by using computer generated random numbers into two groups. Group 1 received 15 ml of 0.25% Bupivacaine on each side. Group 2 received 15 ml of 0.5% Ropivacaine on each side. The Erector spinae plane block was performed at the beginning of the surgery before induction using the ultrasound machine. Results: Mean duration of analgesia was 373.75 minutes with SD of 66.1512 in Bupivacaine group and 687 minutes with SD of 119.433 in Ropivacaine group. The difference was highly significant in Group 2 compared to Group 1 (p<0.0001). Conclusion: Thus, we conclude that 0.5% Ropivacaine provided longer duration of analgesia than 0.25% Bupivacaine when used in Erector spinae plane block for providing post-operative analgesia after Lumbar spine surgeries.

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