Does topical amethocaine gel reduce pain from heel prick blood sampling in premature infants?
A randomized double-blind cross-over controlled study A Patel, B Czerniawski, S Gray, E Lui BACKGROUND: Heel prick blood sampling is the most common painful invasive procedure performed on neonates. Currently, there are no effective ways to provide pain relief from this painful procedure. OBJECTIVE: To assess the efficacy of the topical anesthetic amethocaine 4% gel (Ametop, Smith & Nephew Inc, St Laurent) in reducing the pain of heel prick blood sampling in neonates. METHODS: A randomized, double-blind, placebo controlled, cross-over trial was conducted. Neonates between 33 to 37 weeks’ gestational age in their first seven days of life were eligible. Heel prick blood sampling was performed on each participant twice. Each infant was randomly assigned to receive either amethocaine 4% gel or placebo to the heel for the first prick, and then received the alternative agent for the second prick. Prick pain was assessed using both Premature Infant Pain Profile (PIPP) and Neonatal Infant Pain
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