This study compares wound infiltration with bupivacaine and caudal block in acute postoperative pain reduction in children . the purpose of this study is if wound infiltration as effective as caudal approch in reducing acute postoperative pain, it can be a safe , fast alternative technique for caudal block .
this is a double blinded , single centered , randomised clinical trial controlled with standard group without placebo , and , patients and their parents are not aware of groups. papulation of study consist of fifty-five , 2-8 years old , ASA class I-II patients undergoing elective lower abdominal surgery . exclusive criteria included urgent surgery , sensitivity to local anesthetics , G6PD deficiency , coagulative disorder , localized infection , parents refusal and pre-existing neurologic disorder.
after induction of general anesthesia , at the end of surgery , patients randomly receive one of caudal block or wound infiltration interventions , and then informations about postoperative pain intensity, parental satisfaction, duration of analgesia provided by each technique , and the time of first urination and bowel activity record 1, 6 , 12, 24 hour after operation and analyse statistically.