• Mohamed M Abu Elyazed, Shaimaa F Mostafa, Mohammad A Abdullah, and Gehan M Eid.
• Department of Anesthesia and Surgical Intensive Care, Faculty of Medicine, Tanta University, Tanta, Egypt.
• Paediatr Anaesth. 2016 Dec 1; 26 (12): 1165-1171.

BackgroundTransversus abdominis plane block (TAP) is a compartmental block of the anterior abdominal wall. Surgical trauma produces multisystem reactions. Anesthetic techniques can modify the neuroendocrine surgical stress response.AimThe aim of this study was to evaluate the effect of TAP block on the modification of the surgical neuroendocrine stress response as well as its analgesia effect in children undergoing open inguinal hernia repair.MethodSixty children aged 3-10 years undergoing elective unilateral open inguinal hernia repair were randomized into group I (general anesthesia) or group II (received TAP block after induction of general anesthesia). Serum cortisol, blood glucose, quality of analgesia, postoperative need for rescue analgesia, and complications and degree of satisfaction of the patients and their parents were assessed.ResultsSerum cortisol level was significantly lower in group II as compared to group I intraoperatively (17.73 ± 1.51 vs 21.80 ± 2.22 μg·dl(-1) ) and 30 min postoperatively (15.03 ± 1.56 vs 18.30 ± 1.53 μg·dl(-1) ). Blood glucose level was significantly lower in group II as compared to group I intraoperatively (107.57 ± 3.77 vs 115.40 ± 6.30 mg·dl(-1) ) and 30 min postoperatively (104.13 ± 3.78 vs 110.73 ± 4.83 mg·dl(-1) ). The quality of analgesia as indicated by CHEOPS and OPS scales was significantly better in group II. The consumption of postoperative rescue analgesia was significantly higher in group I as compared to group II (27.00 ± 9.97 vs 13.00 ± 9.43 mg·kg(-1) ).ConclusionTAP block is effective as a part of multimodal analgesia for children undergoing open inguinal hernia repair with significant attenuation in the neuroendocrine stress response induced by surgery.© 2016 John Wiley & Sons Ltd.

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