None listed
Conditions
Interventions
None listed
Sponsors
Hanyang University Seoul Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: - Patients undergoing general anesthesia for orthopedic or general surgery - Age 65 years old or older - Patients who are above the standard level for each age group 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 - Recently received psychiatric drugs or sleep aids - History of anesthesia and surgery within a month
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| EEG quantitative analysis | — |
Secondary
| Measure | Time frame |
|---|---|
| Preoperative cognitive function;Level of consciousness after surgery;Development of postoperative delirium and severity of delirium;Postoperative pain level and amount of analgesics administered | — |
Countries
Korea, Republic of
Contacts
Public ContactJi-yoon Kim
Hanyang University Seoul Hospital
Outcome results
None listed