Abstract

We performed anesthetic management for removal of a brain tumor, during which motor evoked potential (MEP) monitoring was performed. In addition to target-controlled infusion (TCI) of propofol, TCI of remifentanil, which was preinstalled in the Orchestra, was used for anesthetic induction and maintenance. Remifentanil was administered at the effect-site concentration of 10 μg/mL during surgery, and hemodynamics was stable and MEP was well elicited. Since TCI of remifentanil was easily performed by using Orchestra and it could provide stable hemodynamics and good conditions for MEP monitoring, Orchestra is thought to be suitable for MEP monitoring during craniotomy.

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