Continuous pH and Pco2 monitoring during respiratory failure in children with the Paratrend 7 inserted into the peripheral venous system. 2000

J D Tobias, and D Connors, and L Strauser, and T Johnson
Departments of Child Health and Anesthesiology, The University of Missouri, Columbia, Missouri 65212, USA.

BACKGROUND The Paratrend monitor provides continuous arterial blood gas monitoring after insertion through a >/=20-gauge arterial cannula. OBJECTIVE To determine the correlation of arterial blood gas values and the Paratrend monitor placed through a peripheral intravenous catheter. METHODS Prospective, open-label evaluation. METHODS University-based pediatric intensive care unit. METHODS Infants and children with respiratory failure and arterial access. RESULTS The cohort included 23 infants and children. A total of 100 sample sets (Paratrend/ABG Pco(2) and pH values) were collected. The absolute difference between the arterial and Paratrend Pco(2) was 2. 9 +/- 1.8 mm Hg (range 0 to 9 mm Hg). Linear regression analysis of Paratrend Pco(2) versus arterial Pco(2) resulted in r = 0.97 and r(2) = 0.9479 (P <.001). Bland-Altman analysis of Pco(2) values demonstrated a bias +/- precision of -2.1 +/- 2.7 mm Hg. The absolute difference between arterial and Paratrend pH was 0.04 +/- 0. 02 units (range 0 to 0.15 units). Linear regression analysis of Paratrend pH versus arterial pH resulted in r = 0.83 and r(2) = 0. 7016 (P <.0001). Bland-Altman analysis of pH values revealed a bias +/- precision of 0.03 +/- 0.03 units. CONCLUSIONS Inserted through a peripheral intravenous cannula, the Paratrend monitor can be used to provide an accurate estimation of arterial blood gas values in children with respiratory failure.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D008297 Male Males
D008991 Monitoring, Physiologic The continuous measurement of physiological processes, blood pressure, heart rate, renal output, reflexes, respiration, etc., in a patient or experimental animal; includes pharmacologic monitoring, the measurement of administered drugs or their metabolites in the blood, tissues, or urine. Patient Monitoring,Monitoring, Physiological,Physiologic Monitoring,Monitoring, Patient,Physiological Monitoring
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D012131 Respiratory Insufficiency Failure to adequately provide oxygen to cells of the body and to remove excess carbon dioxide from them. (Stedman, 25th ed) Acute Hypercapnic Respiratory Failure,Acute Hypoxemic Respiratory Failure,Hypercapnic Acute Respiratory Failure,Hypercapnic Respiratory Failure,Hypoxemic Acute Respiratory Failure,Hypoxemic Respiratory Failure,Respiratory Depression,Respiratory Failure,Ventilatory Depression,Depressions, Ventilatory,Failure, Hypercapnic Respiratory,Failure, Hypoxemic Respiratory,Failure, Respiratory,Hypercapnic Respiratory Failures,Hypoxemic Respiratory Failures,Respiratory Failure, Hypercapnic,Respiratory Failure, Hypoxemic,Respiratory Failures
D001784 Blood Gas Analysis Measurement of oxygen and carbon dioxide in the blood. Analysis, Blood Gas,Analyses, Blood Gas,Blood Gas Analyses,Gas Analyses, Blood,Gas Analysis, Blood
D002245 Carbon Dioxide A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals. Carbonic Anhydride,Anhydride, Carbonic,Dioxide, Carbon
D002406 Catheterization, Peripheral Insertion of a catheter into a peripheral artery, vein, or airway for diagnostic or therapeutic purposes. Arterial Catheterization, Peripheral,Catheterization, Bronchial,Catheterization, Peripheral Arterial,Catheterization, Peripheral Venous,Peripheral Catheterization,Venous Catheterization, Peripheral,Bronchial Catheterization,PICC Line Catheterization,PICC Line Placement,PICC Placement,Peripheral Arterial Catheterization,Peripheral Venous Catheterization,Peripherally Inserted Central Catheter Line Insertion,Arterial Catheterizations, Peripheral,Bronchial Catheterizations,Catheterization, PICC Line,Catheterizations, Bronchial,Catheterizations, PICC Line,Catheterizations, Peripheral,Catheterizations, Peripheral Arterial,Catheterizations, Peripheral Venous,PICC Line Catheterizations,PICC Line Placements,PICC Placements,Peripheral Arterial Catheterizations,Peripheral Catheterizations,Peripheral Venous Catheterizations,Placement, PICC,Placement, PICC Line,Placements, PICC,Placements, PICC Line,Venous Catheterizations, Peripheral
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children

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