Using the Anesthetic Gas Filter CONTRAfluran While on Cardiopulmonary Bypass: Preliminary Study of the Feasibility, Security, and Efficiency

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To the Editor:
The 2 hypnotic agents currently used for the maintenance of general anesthesia during cardiopulmonary bypass (CPB) are propofol and sevoflurane. Propofol can be administered directly into the cardiotome of the CPB, whereas sevoflurane is administered through the CPB's oxygenator.