Article
Increased sensitivity to thermal pain and reduced subcutaneous lidocaine efficacy in redheads.
Anesthesiology - 1 Mar 2005
Liem Edwin B, Joiner Teresa V, Tsueda Kentaro, Sessler Daniel I
Abstract excerpt
BACKGROUND: Anesthetic requirement in redheads is exaggerated, suggesting that redheads may be especially sensitive to pain. Therefore, the authors tested the hypotheses that women with natural red hair are more sensitive to pain and that redheads are resistant to topical and subcutaneous lidocaine. METHODS: The authors evaluated pain sensitivity in red-haired (n = 30) or dark-haired (n = 30) women by determining...
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