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Effect of new Vacutainer blood collection tubes on plasma lidocaine concentrations
L M Lopez1, A Sen, J D Robinson
1Department of Pharmacy Practice, University of Florida, College of Pharmacy, Gainsville 32610.
Therapeutic Drug Monitoring
|December 1, 1987
Abstract:
This study was designed to establish whether plasma lidocaine concentrations changed subsequent to contact with a new formulation of rubber-stopper Vacutainer collection tubes. Plasma lidocaine concentrations from blood samples exposed to rubber stoppers for one hour were compared with concentrations from blood samples which were not exposed to rubber stoppers. Plasma lidocaine concentrations remained essentially unchanged following one-hour exposure to Vacutainer rubber stoppers. The new formulation of "red-top" Vacutainer may be used reliably in lidocaine therapeutic drug monitoring.