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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Plasma lidocaine levels following hematoma block for distal radius fractures.

Venous plasma levels of lidocaine were determined in 8 patients presenting to the emergency department with acute distal radius fractures and who had had anesthesia with fracture hematoma block. The block was performed in an aseptic fashion via a dorsal approach with a dose of 2.2-2.4 mg/kg of lidocaine without epinephrine. Onset of anesthesia was in less than 5 min which reduced pain from manipulation of the fracture to modest levels. Plasma lidocaine levels determined by gas chromatography-mass spectrometry reflected rapid systemic absorption of lidocaine from the fracture hematoma. Maximum systemic concentrations were seen at 20-30 min and ranged from 100 to 1,100 ng/ml, well below the toxic threshold of 5,000 ng/ml.[1]

References

  1. Plasma lidocaine levels following hematoma block for distal radius fractures. Meinig, R.P., Quick, A., Lobmeyer, L. Journal of orthopaedic trauma. (1989) [Pubmed]
 
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