"Experimental device to non-invasively monitor oxygen in blood"
18 to 100 years old
general anesthesia, surgery
This study allows researchers to record the information from an additional non-invasive monitor that measures the amount of oxygen in your blood and how much that signal changes as you breathe in and out. The non-invasive measurements made do not change your anesthetic care in any fashion. This study is completely observational.
This study requires
Two additional non-invasive monitors on your fingers: one to monitor the amount of oxygen in your blood and record how much these measurements change as you breathe in and out, and the second to measure your blood pressure continuously.
Placement of one of two commonly used breathing tubes as is necessary with general anesthesia
Measure your heart function before and after your receive IV fluids at the beginning of your operation.
Who can participate?
- 18 years of age or older
- Scheduled for elective surgery requiring general anesthesia and mechanical ventilation
- Arterial line and Swan-Ganz catheter placed as part of the scheduled surgical procedure
- Patients with surgeries at or around site of sensor placement
- Skin abnormalities affecting the sensor placement area