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Clinical Trials/NCT01077674
NCT01077674
Completed
Not Applicable

Comparison of Bispectral Index and Entropy With Electroencephalogram During Sevoflurane Anaesthesia

Arvi Yli-Hankala1 site in 1 country65 target enrollmentDecember 2009
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ConditionsAnaesthesiaSurgery

Overview

Phase
Not Applicable
Intervention
Not specified
Conditions
Anaesthesia
Sponsor
Arvi Yli-Hankala
Enrollment
65
Locations
1
Primary Endpoint
Morphology of electroencephalogram during discrepancy between Entropy and BIS index values
Status
Completed
Last Updated
12 years ago
OverviewInvestigatorsEligibility CriteriaOutcomesSitesSimilar Trials

Overview

Brief Summary

Bispectral Index (BIS) and Entropy indices will be compared with each other, and to raw EEG signals in patients receiving sevoflurane anaesthesia. BIS and Entropy numbers often differ significantly from each other during surgery, and the reason for this has not been studied in detail, therefore remaining only poorly understood. BIS and Entropy, together with multi-channel EEG, will be collected and analyzed later on. Course of anaesthesia and surgery will be annotated. All relevant information from anaesthesia monitor will be collected on computer.

Registry
clinicaltrials.gov
Start Date
December 2009
End Date
March 2011
Last Updated
12 years ago
Study Type
Observational
Sex
All

Investigators

Sponsor
Arvi Yli-Hankala
Responsible Party
Sponsor Investigator
Principal Investigator

Arvi Yli-Hankala

Professor

Tampere University Hospital

Eligibility Criteria

Inclusion Criteria

  • •Planned surgery necessitating general anaesthesia
  • •Expected duration of anaesthesia 30 min or more
  • •Need of endotracheal intubation
  • •ASA status 1, 2 or 3

Exclusion Criteria

  • •Significant disorders of the autonomic or central nervous system
  • •Family history of malignant hyperthermia
  • •Clinical history of anaphylactic reaction against inhaled anaesthetics
  • •Disability to communicate with Finnish language

Outcomes

Primary Outcomes

Morphology of electroencephalogram during discrepancy between Entropy and BIS index values

Time Frame: 15 minutes

Study Sites (1)

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