Joseph D. Tobias
This is a prospective study that will record the Pulse Pressure Variability (PPV) from the arterial line and Plethysmography Variability Index (PVI) from the pulse oximeter while the patient is in the supine position and then again in the prone position. There will be no change in anesthetic care based on the study protocol. The primary objective of this study is to evaluate the changes in PVI and PPV when changing from the supine and prone position in pediatric-aged patients.
Inclusion Criteria: * Consenting ASA 1-4 patients * Undergoing a surgical procedure with general anesthesia that requires placement of an arterial cannula and prone positioning Exclusion Criteria: * Patients in whom an arterial cannula is not indicated or cannot be placed * Patients undergoing a surgical procedure that does not require prone positioning
No intervention
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