Abstract
AbstractBackground: To assess the onset time, duration and post-operative analgesic efficacy of ultrasound guided TAP block in children with undescended testis who underwent laparo-scopic orcheopexy.Aim of Study: The addition of dexmedetomidine to bupi-vacaine in TAP block achieves better local anesthesia quality and provides better pain control postoperatively without any major side-effects.Patients and Methods: A prospective randomized control-led double blind study using a computer generated randomi-zation was conducted in Assiut University between March 2016 and September 2017.Results: Regarding SpO2 and HR of the studied groups at different times; it was noticed that there was no statistically significant differences between the two groups (p>0.05). Regarding end tidal CO2 measurements, there was a statisti-cally significant difference (p 0.001) from time before induction up to after 40 minutes, 80 minutes and at end. There was no statistically significance difference (p>0.05) at time 50-70 minutes, 90 minutes and before extubation. Regarding post-operative pain scores, in Cry, Facial and Torso there was no statistically significant difference at 4 hours, but there was statistically significant difference (p<0.001) at 8 and 12 hours. As regarding child verbal, touch and legs there was a statisti-cally significant difference (p<0.05) at 4, 8 and 12 hours. Regarding frequency of post-operative analgesic request, there was a statistically significant difference between Groups A and B (p<0.05) with (85.0%) request analgesia in Group A vs. (60.0%) in Group B. Egarding the time of the first analgesic request, there was statistically significant difference between Group A and Group B (p<0.001) with higher mean values in Group B than Group A. Conclusion: The addition of dexmedetomidine to bupi-vacaine in TAP block achieves better local anesthesia quality and provides better pain control post-operatively without any major side-effects.
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