Sensory and motor blockade during epidural analgesia with 1%, 0.75%, and 0.5% ropivacaine--a double-blind study.

@article{Zric1991SensoryAM,
  title={Sensory and motor blockade during epidural analgesia with 1%, 0.75%, and 0.5% ropivacaine--a double-blind study.},
  author={D Z{\'a}ric and Kjell Axelsson and P A Nydahl and L Philipsson and P{\aa}l G. Larsson and Johan Jansson},
  journal={Anesthesia and analgesia},
  year={1991},
  volume={72 4},
  pages={509-15}
}
Levels of sensory (pinprick) and somatic motor blockade were measured in a double-blind study of 30 volunteers given single epidural injections of 1%, 0.75%, and 0.5% ropivacaine. Onset of analgesia was rapid with all concentrations (7-10 min). Maximal levels of analgesia were established 60 min after injection, with no significant differences in the maximal median cephalad spread. Duration of analgesia at the T-12 level and total duration were significantly longer with 1% and 0.75% than with 0… CONTINUE READING

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