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ORIGINAL ARTICLE
Year : 2017  |  Volume : 11  |  Issue : 4  |  Page : 976-980

Transversus abdominis plane block versus ilioinguinal/iliohypogastric nerve block with wound infiltration for postoperative analgesia in inguinal hernia surgery: A randomized clinical trial


Department of Anesthesia, Pondicherry Institute of Medical Sciences, Puducherry, India

Correspondence Address:
Chinthavali Sujatha
Department of Anesthesia, PIMS, Puducherry
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aer.AER_33_17

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Background: Various analgesic modalities have been used for postoperative analgesia in patients undergoing inguinal hernia surgery. In this randomized clinical trial, we have compared the analgesic efficacy of transversus abdominis plane (TAP) block with that of ilioinguinal/iliohypogastric (IIIH) nerve block with wound infiltration in patients undergoing unilateral open inguinal hernia repair. Aim: The primary objective of this study was to compare the efficacy of postoperative analgesia of ultrasound-guided TAP block and IIIH block with wound infiltration (WI) in patients undergoing open inguinal hernia surgery. Settings and Design: This was a randomized clinical trial performed in a tertiary care hospital. Materials and Methods: Sixty patients scheduled for hernia repair were randomized into two groups, Group T and Group I. Postoperatively, under ultrasound guidance , Group T received 20 ml of 0.25% ropivacaine – TAP block and Group I received 10 ml of 0.25% ropivacaine – IIIH block + WI with 10 ml of 0.25% ropivacaine. The primary outcome measure was the time to rescue analgesia in the first 24 h postoperatively. Fentanyl along with diclofenac was given as first rescue analgesic when the patient complained of pain. Statistical Analysis: Statistical comparisons were performed using Student's t-test and Chi-square test. Results: Mean time to rescue analgesia was 5.900 ± 1.881 h and 3.766 ± 1.754 h (P < 0.001) and the mean pain scores were 5.73 ± 0.784 and 6.03 ± 0.850 for Group TAP and IIIH + WI, respectively. Hemodynamics were stable in both the groups. One-third of the patients received one dose of paracetamol in addition to the rescue analgesic in the first 24 h. There were no complications attributed to the block. Conclusion: As a multimodal analgesic regimen, definitely both TAP block and IIIH block with wound infiltration have a supporting role in providing analgesia in the postoperative period for adult inguinal hernia repair. In this study, ultrasound-guided TAP block provided longer pain control postoperatively than IIIH block with WI after inguinal hernia repair. There were no complications attributed to the blocks in either of the group.


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