Recently a new model for the interaction of sevoflurane propofol and remifentanil was developed. The potency of any combination of the three drugs is defined as probability that a subject tolerates laryngoscopy without movement response. The model allows to compare the potency of intravenous and inhalation anesthetics. If the model is valid also for other stimuli than laryngoscopy and for other responses (e.g. blood pressure or heart rate increase upon stimulation). If the model is valid equipotent concentrations of sevoflurane and propofol the same remifentanil concentration would be sufficient to suppress hemodynamic response to a given stimulus. This will be investigated it the study.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
20% heart rate or mean arterial pressure increase upon installation of pneumoperitoneum
Timeframe: 5 Minutes upon establishment of intraabdominal working pressure (12 mmHg)