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Reg Anesth Pain Med · Mar 2011
Comparative StudyProgression of forearm intravenous regional anesthesia with ropivacaine.
- Jean-Louis Horn, Paul Cordo, Daniela Künster, Christopher Harvey, Anne Cherry, Alexander Bratt, and Victor Gurfinkel.
- Department of Anesthesiology, Oregon Health & Science University, Portland, OR 97239, USA. hornj@ohsu.edu
- Reg Anesth Pain Med. 2011 Mar 1;36(2):177-80.
AbstractThe progression of sensory blockade in the hand following a forearm Bier block with ropivacaine is currently unknown. The hands of 10 healthy adult human subjects were anesthetized with ropivacaine, and their sensitivities to cold and touch were tested until the completion of anesthesia. On average, insensitivity to cold occurred uniformly throughout the hand within 9 mins; however, touch sensation was not complete until approximately 20 mins after injection. The spread of anesthesia occurred in a semisystematic way, spreading proximally and distally from the site of injection (mid-dorsum of the hand), and, at a slower rate, from the dorsum of the hand to the palm.Copyright © 2011 by American Society of Regional Anesthesia and Pain Medicine
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