Patients with a history of drug abuse;
preoperative history of schizophrenia, epilepsy, parkinsonism, use of cholinesterase inhibitor, inability to communicate in the preoperative period (coma, profound dementia, or language barrier).

NCT02509949_exc_T1
Condition
drug abuse
NCT02509949_exc_T2
Observation
history
NCT02509949_exc_T3
Observation
history
NCT02509949_exc_T4
Condition
schizophrenia
NCT02509949_exc_T5
Temporal
preoperative
NCT02509949_exc_T6
Condition
epilepsy
NCT02509949_exc_T7
Condition
parkinsonism
NCT02509949_exc_T8
Drug
cholinesterase inhibitor
NCT02509949_exc_T9
Condition
inability to communicate
NCT02509949_exc_T10
Condition
coma
NCT02509949_exc_T11
Condition
profound dementia
NCT02509949_exc_T12
Condition
language barrier