Membrane Separator Interface for Mass-Spectrometric Analysis of Desflurane, Propofol and Fentanyl in Plasma and Cerebrospinal Fluid

DOI: 10.4236/ijmpcero.2015.44031   PDF   HTML   XML   4,719 Downloads   5,034 Views  

Abstract

Mass-spectrometric interface for the measurement of anaesthetic agent concentration in biological fluids (blood plasma and cerebrospinal fluid) is described. Sampling of biological fluids was performed during balanced inhalational (desflurane, fentanyl) anaesthesia and total intravenous (propofol, fentanyl) anaesthesia. The described method for drug concentration measurement in biologic fluids does not require long-term sample processing before injecting the sample into mass-spectrometer interface, in contrast to chromatographic methods. A hydrophobic membrane was used in the interface to separate anaesthetic agents from biological fluids: inhalational anaesthetic desflurane, hypnotic propofol, analgesic fentanyl. A possibility to use the interface for measurement of desflurane and propofol absolute concentration in blood plasma and cerebrospinal fluid was demonstrated for the study of blood-brain barrier (BBB) properties.

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Cherebillo, V. , Sokolov, V. , Elokhin, V. , Nikolaev, V. , Polegaev, A. and Elizarov, A. (2015) Membrane Separator Interface for Mass-Spectrometric Analysis of Desflurane, Propofol and Fentanyl in Plasma and Cerebrospinal Fluid. International Journal of Medical Physics, Clinical Engineering and Radiation Oncology, 4, 263-267. doi: 10.4236/ijmpcero.2015.44031.

Conflicts of Interest

The authors declare no conflicts of interest.

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