• W M Splinter, J Bass, and L Komocar.
• Department of Anaesthesia, Children's Hospital of Eastern Ontario, Ottawa, Canada.
• Can J Anaesth. 1995 Mar 1; 42 (3): 197-200.

AbstractThe purpose of this study was to compare the effect of local anaesthesia (LA) with that of caudal anaesthesia (CA) on postoperative care of children undergoing inguinal hernia repair. This was a randomized, single-blind investigation of 202 children aged 1-13 yr. Anaesthesia was induced with N2O/O2 and halothane or propofol and maintained with N2O/O2/halothane. Local anaesthesia included ilioinguinal and iliohypogastric nerve block plus subcutaneous injection by the surgeon of up to 0.3 ml.kg-1 bupivacaine 0.25% with 5 micrograms.kg-1 adrenaline. The dose for caudal anaesthesia was 1 ml.kg-1 up to 20 ml bupivacaine 0.2% with 5 micrograms.kg-1 adrenaline. Postoperative pain was assessed with mCHEOPS in the anaesthesia recovery room, with postoperative usage of opioid and acetaminophen in the hospital, and with parental assessment of pain with a VAS. Vomiting, time to first ambulation and first urination were recorded. The postoperative pain scores and opioid usage were similar; however, the LA-group required more acetaminophen in the Day Care Surgical Unit. The incidence of vomiting and the times to first ambulation and first urination were similar. The LA-patients had a shorter recovery room stay (40 +/- 9 vs 45 +/- 15 min, P < 0.02). The postoperative stay was prolonged in the CA group (176 +/- 32 vs 165 +/- 26 min, P = 0.02). We conclude that LA and CA have similar effects on postoperative care with only slight differences.

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