Comparative study of different concentrations of prilocaine and ropivacaine for intraoperative axillary brachial plexus block

European Journal of Anaesthesiology
M FreitagT G Standl

Abstract

To compare the anaesthetic characteristics in terms of onset and offset times of the sensory and motor blocks of prilocaine 1% and ropivacaine 0.75% alone and in different combinations when used for brachial plexus anaesthesia in axillary perivascular blocks. After informed consent 96 ASA I-III patients undergoing forearm or hand surgery participated in this prospective, randomized, double-blind study. Patients received either prilocaine 1% 40 mL (G1), prilocaine 1% 30 mL and ropivacaine 0.75% 10 mL (G2), prilocaine 1% 20 mL and ropivacaine 0.75% 20 mL (G3) or ropivacaine 0.75% 40 mL (G4) for axillary perivascular brachial plexus anaesthesia. Onset and duration of sensory and motor blocks in the distribution of the musculocutaneous, radial, median and ulnar nerves were assessed. The onset time of the sensory and motor blocks of the whole brachial plexus differed only between patients in G4 with ropivacaine 0.75% 40 mL demonstrating a later motor onset in comparison to all other groups and a later sensory onset in comparison to G1 and G2 (P < 0.01). The addition of ropivacaine resulted in longer offset times of the sensory and motor blocks. The median offset time of the motor block was 179.5 min in G1, 262 min in G2, 389.5 min i...Continue Reading

References

Dec 1, 1992·Anesthesia and Analgesia·D A SpiegelM M Todd
Oct 1, 1990·Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie·R HickeyR W Masters
Oct 1, 1995·The Journal of Hand Surgery : Journal of the British Society for Surgery of the Hand·D J DunlopJ M Watt
Oct 1, 1996·Anesthesia and Analgesia·L E SchroederD R Schroeder
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Oct 16, 1999·Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie·H VaghadiaK Zimmer
Jul 20, 2002·Regional Anesthesia and Pain Medicine·Joseph M NealQuinn H Hogan

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Citations

Jan 1, 2014·Journal of Anesthesia·Natsumi KiiTakuro Wada
Apr 12, 2007·Acta Anaesthesiologica Scandinavica·E KesimciO Kanbak

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