An observational study in Reaction; Anesthesia, sponsored by University Hospital Schleswig-Holstein. Completed at 1 site in Germany. Per ClinicalTrials.gov, last updated 2014-05-22.
Sponsored by University Hospital Schleswig-Holstein · Observational
BIS for monitoring depth of anesthesia is usually obtained unilaterally. Obtaining BIS bilaterally revealed side differences in previous studies. This study investigates the incidence of clinically relevant side differences of BIS during maintenance and emergence from anesthesia for ENT surgery in both adults and children.
BIS was measured bilaterally in 42 adults and 46 children during ENT surgery under general anesthesia using two BIS-Monitors. Side differences of more than 10% were defined as BIS asymmetries. An increase of BIS of more than 10% from the value at the time of finishing anesthesia administration on only one side followed by movement after stimulation was defined as clinically relevant.
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Children and adults during anesthesia for ENT surgery
Inclusion Criteria:Children and adults during anesthesia for ENT surgery -
Exclusion Criteria:Neurologic or psychiatric disease
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Children
Adults
Movement reaction to external stimulation during emergence from anesthesia
After surgery, administration of propofol and remifentanil was stopped and the measurement of BIS was continued. BIS was noted every minute and on each occasion BIS exceeded 10% of the value at stopping the application of anesthetics on one or both sides. If such a 10% increase was observed, arousal and movement after external stimulation was examined by suction of the mouth. BIS asymmetry on only one side followed by movement reaction to external stimulation within a 60 seconds period was defined as clinically relevant.
Time frame: 30 minutes
This study is completed, as verified in May 2014. You cannot join it, but the record below documents what was studied.
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University Hospital Schleswig-Holstein