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“The concentration of fluoride increased during sevoflurane anesthesia (15.0 +/- 4.8 mumol/l with lithiumhydroxide versus 21.9 +/- 4.0 mumol/l with Drägersorb 800 after 60 mins).”
British journal of anaesthesia • 2011 | View Paper
“A certain disadvantage and source of potential nephrotoxicity result from the metabolism of sevoflurane (2-5%) to anorganic fluoride and degradation to compound A in carbon dioxide absorbents.”
Acta anaesthesiologica Belgica • 1996 | View Paper
“ Sevoflurane undergoes considerable metabolism, producing free fluoride ion , with plasma concentrations proportional to dose and duration of anaesthesia exceeding 50 μM in approximately 7% of patients.”
“In contrast, studies using rabbits have found that plasma concentrations and urinary excretion of fluoride ion are dose-dependent up to 3% inspired sevoflurane.”