Continuous pH and PCO2 monitoring during respiratory failure in children with the Paratrend 7 inserted into the peripheral venous system

Joseph D. Tobias, Dean Connors, Lynne Strauser, Tiffanie Johnson

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Context: 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. Design: Prospective, open-label evaluation. Setting: University-based pediatric intensive care unit. Patients: 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 PCO2 and pH values) were collected. The absolute difference between the arterial and Paratrend PCO2 was 2.9 ± 1.8 mm Hg (range 0 to 9 mm Hg). Linear regression analysis of Paratrend PCO2 versus arterial PCO2 resulted in r = 0.97 and r2 = 0.9479 (P <.001). Bland-Altman analysis of PCO2 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 r2 = 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.

Original languageEnglish (US)
Pages (from-to)623-627
Number of pages5
JournalJournal of Pediatrics
Volume136
Issue number5
StatePublished - 2000
Externally publishedYes

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Respiratory Insufficiency
Gases
Linear Models
Regression Analysis
Pediatric Intensive Care Units
Catheters
Cannula

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Continuous pH and PCO2 monitoring during respiratory failure in children with the Paratrend 7 inserted into the peripheral venous system. / Tobias, Joseph D.; Connors, Dean; Strauser, Lynne; Johnson, Tiffanie.

In: Journal of Pediatrics, Vol. 136, No. 5, 2000, p. 623-627.

Research output: Contribution to journalArticle

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abstract = "Context: 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. Design: Prospective, open-label evaluation. Setting: University-based pediatric intensive care unit. Patients: 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 PCO2 and pH values) were collected. The absolute difference between the arterial and Paratrend PCO2 was 2.9 ± 1.8 mm Hg (range 0 to 9 mm Hg). Linear regression analysis of Paratrend PCO2 versus arterial PCO2 resulted in r = 0.97 and r2 = 0.9479 (P <.001). Bland-Altman analysis of PCO2 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 r2 = 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.",
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