Correlation of PaCO2 to the Inspired and Expired Oxygen Gradient (O2 Fraction)

Swedish Medical Center

Status: Completed

Conditions: Neurosurgery

Study type: Observational

Funder types: Other

Identifiers

NCT01513213

5119S-11

Details and patient eligibility

About

The purpose of this study is to evaluate whether a correlation exists between the partial pressure of carbon dioxide existing within arterial blood and the gradient between inhaled and exhaled fractions of oxygen.

Enrollment: 65 patients

Sex: All

Ages: 18 to 65 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Age 18 to 65.
• Scheduled for surgical procedure that will last at least 2 hours.
• Arterial cannulation is planned because of either the complexity of the surgery or patient comorbidity.
• At least two arterial blood gas analyses are planned during the surgery.

Exclusion criteria

• No arterial cannulation is necessary or planned for the procedure.