• Pain · Oct 1989

    Clinical Trial Controlled Clinical Trial

    Cutaneous hypersensitivity following peripheral tissue damage in newborn infants and its reversal with topical anaesthesia.

    • M Fitzgerald, C Millard, and N McIntosh.
    • Department of Anatomy and Developmental Biology, University College London, U.K.
    • Pain. 1989 Oct 1;39(1):31-6.

    AbstractThe flexion reflex threshold has been used as a measure of sensation in a group of premature infants born at 27-32 weeks postmenstrual age. The threshold in an area of local tissue damage created by routine heel lances was half the threshold on the intact heel on the other side. This indicated a hypersensitivity to tissue damage analogous to tenderness or hyperalgesia reported in adults. In a double-blind study, treatment of the damaged area with the topical anaesthetic cream, EMLA, was found to reverse this hypersensitivity or in other words increase the flexion reflex threshold. Treatment with placebo had no effect. The results show that the newborn infant central nervous system is capable of mounting a chronic pain response to local injury which can be reduced by local anaesthetic.

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    This article appears in the collection: The 20 most cited pediatric anesthesia articles.

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    The 13th most cited pediatric anesthesia paper of all time, and 538th overall with 186 citations.

    Daniel Jolley  Daniel Jolley
     
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