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An autosomal recessive metabolic condition characterized by increased sensitivity to certain anesthetic drugs, including the muscle relaxants succinylcholine or mivacurium. BCHED results in slower hydrolysis of these drugs and, consequently, a prolonged neuromuscular block, leading to apnea. The duration of the prolonged apnea varies significantly depending on the extent of the enzyme deficiency.




Fluoride-resistant butyrylcholinesterase deficiency Japanese type
Fluoride-resistant hypocholinesterasemia Japanese type
Postanesthetic apnea
Pseudocholinesterase deficiency
Suxamethonium sensitivity


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