Acetylcholine, BIS-EEG, Cognition
Conditions
Brief summary
Drugs with anticholinergic potential increase the risk of postoperative transient and persistent cognitive dysfunction especially in cardiac patients. The investigators main goal is to identify preoperative risk factors and to monitor postoperative patients' state in relation to SAA activity and bilateral BIS-EEG changes.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* written compliance to the study participation * a good knowledge in German speech * no red/ green blindness * no previous neurological and/or psychiatric illness * good ability to see and to hear * Mini-Mental-State-Examination (MMSE) better than 25 points
Exclusion criteria
* no written compliance to the study participation * bad knowledge in German speech * red/ green blindness * previous neurological and/or psychiatric illness * no ability to see and to hear * Mini-Mental-State-Examination (MMSE) lower than 25 points
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Cognitive dysfunction measured by neurocognitive test battery | 3 month postsurgery |
Secondary
| Measure | Time frame |
|---|---|
| SAA, BIS-EEG, descriptive patients' characteristics | 24 h postsurgery |
Countries
Germany