• Hasan Kutluk Pampal, Selin Erel, Semin Turhan, DikmenAsiye UğraşAUDepartment of Public Health, Gazi University, Ankara, Turkey., and Berrin Işık.
• Department of Anesthesiology and Reanimation, Gazi University, Ankara, Turkey.
• Turk J Med Sci. 2023 Feb 1; 53 (1): 374381374-381.

BackgroundTransversus abdominis plane (TAP) block is a method for postoperative pain management. Studies on children are gradually increasing. The aim of this retrospective study was to evaluate effectiveness of TAP block on pain control, its side effects, and parental satisfaction levels in children.MethodsStudy included patients operated between January 2019 and December 2020 in Gazi University Faculty of Medicine. Total of 97 patients (35 girls, 62 boys) between 5 and 18 years who had an ultrasound guided TAP block for lower abdominal or inguinal surgery were examined retrospectively. TAP block application time, hemodynamic variables, postoperative pain scores, postoperative analgesic requirement, sex, surgical history and satisfaction levels were evaluated.Results: The average application time of TAP block was 9.48 ± 3.4 and the time between TAP block and surgical incision was 12.06 ± 6.1 min. Pain scores in postanesthesia care unit (PACU) and at the postoperative first hour decreased as the time between TAP block and surgical incision increased (p < 0.05). Girls have higher pain scores at PACU than boys (p < 0.05). Previous surgical history increased postoperative 1st hour pain scores (OR: 13.8; 95% CI 1.7-113.3; p = 0.01). There was a significant negative correlation between pain scores at PACU, postoperative 1st, 2nd, 4th, 6th, 12th and satisfaction levels (r = -0.45, r = -0.56, r = -0.60, r = -0.54, r = -0.52, r = -0,43, respectively, p < 0.05).DiscussionUltrasound-guided TAP blocks can be performed safely in children in lower abdominal surgeries. However, the efficacy of TAP block on late term postoperative pain scores is limited. Time interval between the TAP block and the incision, sex, and pain memory, as well as other factors that may improve the quality of TAP block should be considered.

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