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Year : 2019  |  Volume : 63  |  Issue : 6  |  Page : 462-468

Comparison of analgesic efficacy of continuous bilateral transversus abdominis plane catheter infusion with that of lumbar epidural for postoperative analgesia in patients undergoing lower abdominal surgeries

Department of Anaesthesiology and Critical Care, JIPMER, Puducherry, India

Correspondence Address:
Dr. S Srinivasan
DH2, Maragatham Apartments, Puthumariamman Koil Street, Ellaipillaichavady, Puducherry-5
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ija.IJA_20_19

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Background and Aims: Epidural analgesia (EA) and transversus abdominal plane (TAP) block have been part of multimodal analgesia techniques for postoperative pain relief in abdominal surgeries though EA has been established as gold standard. This study assesses and compares the analgesic efficacy of continuous bilateral TAP catheter infusion and lumbar epidural infusion. Methods: In this randomised, single-blind, prospective, non-inferiority trial, 75 patients were randomised to receive a bolus dose of 15 ml, 0.25% bupivacaine followed by an infusion of 5–12 ml/h of 0.125% bupivacaine via lumbar epidural in EA group and a bolus dose of 0.4 ml/kg of 0.25% bupivacaine bilaterally via TAP catheter followed by continuous infusion at 5ml/h of 0.125% bupivacaine in TAP group postoperatively. VAS scores (primary objective) and sensory dermatome blockade were recorded at 1, 4, 8, 12 and 24 h. Total morphine consumption, PONV, incidence of hypotension and patient satisfaction scales were recorded at the end of 24 hours. Results: The median VAS scores were comparable between the groups at 1, 4, 8, 12 and 24 hours both at rest (P = 0.11, 0.649, 0.615, 0.280 and 0.191, respectively) and on coughing (p = 0.171, 0.224, 0.207, 0.142 and 0.158, respectively). Total morphine consumption in 24 h between TAP and EA group was comparable (p = 0.366). There was no statistical difference in the incidence of hypotension, PONV and patient satisfaction scale. Conclusion: Continuous bilateral TAP block is as efficacious as the continuous lumbar epidural infusion in relieving postoperative pain in patients undergoing lower abdominal surgeries.

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