No compound a formation with Superia during minimal-flow sevoflurane anesthesia: a comparison with Sofnolime

There is concern about the toxicity of Compound (Co) A. Absorbents differ in the production of Co A during minimal-flow sevoflurane anesthesia. Strong alkali-free Amsorb® does not produce Co A. It was our aim to study Superia®, another new NaOH- and KOH-free CO2 absorbent, in minimal-flow anesthesia