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Abstract
Intraarticular injection of local anesthetic drugs after arthroscopic knee surgery
is used to provide postoperative analgesia. Toxic serum levels of bupivacaine have
been reported after its use both in regional anesthesia and for intraarticular injection.
The toxicity of the former is related to needle misplacement and the latter is presumed
to be absorptive. This study evaluates the effect of tourniquet inflation and the
addition of epinephrine on serum concentrations of bupivacaine after intraarticular
injection. The result shows that the peak serum bupivacaine concentrations can be
reduced by adding epinephrine and injecting it after tourniquet inflation.
Keywords
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References
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Article info
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Copyright
© 1992 Arthroscopy Association of North America. Published by Elsevier Inc.
