Urological Disease
Conditions
Brief summary
Propofol can be measured continuously in breath gas during anesthesia. This study compares propofol concentration in plasma and breath gas and processed electroencephalographic monitoring (bispectral index) under clinical conditions with patients and total intravenous anesthesia. Target controlled infusion technique is used to deliver adequate propofol concentration in plasma.
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
• 18 years of age * Written informed consent * Ability and willingness to give written informed consent * American Society of Anesthesiologists (ASA) risk score I-II
Exclusion criteria
* Denial of the patient * Patients ASA physical status III- IV * Pregnancy * Volunteers with history of neurological disease or stroke * Volunteers with a history of recreational drug abuse * Volunteers with a history of alcohol abuse * Known drug allergies * History of adverse events during general anesthesia * Total intravenous anesthesia not practicable
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Exhaled propofol (parts per billion) | Continuous measurement over 40 min during the induction of anesthesia and 30 min during recovery of anesthesia |
Countries
Germany