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Infants have a shorter neuraxial length and shorter skin to epidural space than adults. Even small amounts of migration may produce significant and unintended effects. Optimal fixation to prevent migration, bacterial colonization, and leakage is not clear from the literature. We report the case of a thoracic epidural that migrated inward for six centimeters, associated with loss of analgesic effect.
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Thompson et al. (2011) studied this question.
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