Bilateral Bispectral Index (BIS)-Monitoring in Cardiac Surgery Patients

University Hospital Bonn (UKB)

Status: Completed

Conditions: Cardiac Surgery Patients

Study type: Observational

Funder types: Other

Identifiers

NCT01048775

BLB-09

Projekt-Nr UKB: N-017.0160

Details and patient eligibility

About

The bispectral index (BIS) is derived from a single-channel electroencephalogram (EEG) and provides information on the anaesthetic depth. Recently, a bilateral two-channel EEG-sensor has been introduced to monitor the BIS on both cerebral hemispheres. In some patients significant left-right differences may occur, whereas no relevant side differences are expected in the majority of patients.

The aim of this study is to

• investigate the incidence, duration and degree of left-right BIS differences
• examine the relation between BIS differences and occurrence of cognitive deficits

Enrollment: 87 patients

Sex: All

Ages: 60+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• patients scheduled for cardiac surgery

Exclusion criteria

• pregnancy