Prospective Randomized Controlled Study Comparing Caudal Block versus Dorsal Penile Nerve Block as Postoperative Analgesia in Children Presented for Penile Surgery
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- Category: Vol. 86, June 2018
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Prospective Randomized Controlled Study Comparing Caudal Block versus Dorsal Penile Nerve Block as Postoperative Analgesia in Children Presented for Penile Surgery, SALMA E. KANDIL, YASSER A. RAGHEB and SAMEH A. ISMAIEL
Abstract
Background: Caudal block is recommended for analgesia during and after surface operation on the penis, for example circumcision and hypospadias repair. The aim of this study was to compare caudal block versus dorsal penile block in children undergoing penile surgery, regarding duration and quality of post-operative analgesia.
Aim of the Study: To compare caudal block versus dorsal penile block in children undergoing penile surgery, our primary outcome was the duration of postoperative analgesia while our secondary outcome was the quality of post-operative analgesia.
Patients and Methods: 60 children, ASA I-II, 1-4 year's old undergoing penile surgery under general anesthesia were enrolled in the study. Children were randomly classified into two groups: (Group I) (penile group=30 patients) received a penile block using a mixture of lidocaine 3mg/kg (2%) and plain bupivacaine 1mg/kg (0.25%) on each side, Group II (caudal block group=30 patients) patients of this group received a caudal block using a mixture of lidocaine 3mg/kg (2%) and plain bupivacaine 1mg/kg (0.25%). Assessment of post-operative pain will be done by the Faces Pain Scale which is a self-report measure of pain intensity developed for children. It was adapted from the Faces Pain Scale to make it possible to score the sensation of pain on the widely accepted 0-to-10 metric, "0" equals "no pain" and "10" equals "very much pain". This done immediately postoperative and every 2H until 6H post-operative.
Results: Faces pain score was significantly lower in group II at 2H, 4H and 6H post-operative with increase on the duration of block in Group II, also there was significant decrease in heart rate in Group II at 30min, 45min, 75min, 90min, 105min, 120min and 135min respectively from the start of surgery so there was significant increase of bradycardia and need of atropine in group.
Conclusions: Caudal block seemed to be more effective in reducing post-operative pain score and decreasing the need of rescue analgesia with prolongation of the duration of the block.