Session/Time	Poster/Thu, 4:30 - 6:30 PM
Title	Use of the ONLINEABG TM System for Arterial Blood Gas Analysis in the Pediatric Intensive Care Unit
Author	KB Churchwell, MD, PAAP; J Forlidas, RN, MSN; P Lovin, RN; J Smith, RN; A Lynch, MD
Affiliation	Dept. of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN
Introduction	The Online ABG-TM system is a arterial blood gas measuring device that fits main-stream into an arterial line. The system uses fiber optic fluorescence technology to measu3 .pH, pCO2 and pO2. Advantages the Online ABG'-M has over conventional techniques include: avoiding direct blood contact, minimal to no blood loss, and almost immediate time reading of the patients acidibase status. This study was performed to test the Online GTM AB 's accuracy and precision in a population of critically ill pediatric patients.
Method	Paired Arterial blood samples were analyzed by the Online ABG TM system and our standard electrochemical blood cas analyzer (Omni 4 arterial blood gas analyzer/ISE machine) in 23 critically ill pediatric patients admitted to the PICU. Between 7 to 25 samples for individual patients were performed. Values were compared with respect to accuracy (difference between the two methods) and precision (SD of the difference).
Result	A total of 205 measurements were made in 2-3 patients.
Conclusion	In critically ill pediatric patients, the precision and accuracy found for pH, PCO2 and PO2 using the Online ABG TM system was within acceptable limits over a wide range of measured value.

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