None listed
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Patients undergoing general anesthesia for orthopedic or general surgery - Age 65 years old or older - Patients with less than 15 points on the Mini-Mental State Examination (MMSE)
Exclusion criteria
Exclusion criteria: - American Society of Anesthesiologist(ASA) physical status classification IV, V - If normal assessment is difficult because of language barrier, speech disorder, sleep disturbance, mental retardation and dementia - Someone who have a neurological or psychiatric disorder that shows depression, developmental disabilities, sleep disorder, anxiety or excitement, or decreased concentration - If communication is difficult because of visual or hearing impairment - History of anesthesia and surgery within a month
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Whether delirium occurs | — |
Secondary
| Measure | Time frame |
|---|---|
| Preoperative MMSE, MoCA-K, METs score;Alcohol and smoking history;EEG analysis during perioperative period;Vital signs during perioperative period;Anesthesia time, surgery time, recovery room transit time;Type and total amount of analgesics and anesthetics used;Blood loss, urine volume, fluid volume;Blood test level (electrolyte abnormality, albumin, lactate, blood sugar, hemoglobin level, etc.) | — |
Countries
Korea, Republic of
Contacts
Hanyang University Seoul Hospital