Gas Kinetics and Metabolism in Anesthesia During Non Steady State

Stopped Non Applicable clinical trial

Conditions

• Anesthetized Healthy Patients (ASA 1 or 2) in the Supine Position, Excluding Head, Neck and Head Surgeries
• Anesthetized Patient With Severe Systemic Disease (ASA 3 or 4)

Interventions

• DEVICE: connection of measuring device to anesthesia circuit
• PROCEDURE: drawing of blood sample through an arterial line, placed according to clinical criteria by primary anesthesia team
• PROCEDURE: changing operating room bed position (head down and up position)
• PROCEDURE: adding PEEP during anesthesia
• PROCEDURE: placement of esophageal Doppler for cardiac output measurements
• DEVICE: Humidity sensor
• DEVICE: A mixing chamber (bymixer)
• DEVICE: Pneumotachometer cuvette
• DEVICE: Mass spectrometer sampling port

Sponsor

University of California, Irvine