| StatPal II pH and Blood Gas Analysis System evaluated. | |
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MedLine Citation:
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PMID: 8287519 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We evaluated a new portable instrument, the PPG StatPal II pH and Blood Gas Analysis System, designed for "point-of-care" measurements of blood gases and pH. Inaccuracy (% of target value) and imprecision (CV%) were assessed by blood tonometry and comparison with a Corning 178. Within-day results for PCO2 inaccuracy and imprecision ranged from 98.2% to 102.9% and 3.3% to 3.9%, respectively; for PO2, these were 95.5% to 102.3% and 2.3% to 3.0%, respectively. Between-day results for PCO2 inaccuracy and imprecision ranged from 99.2% to 99.3% and from 2.9% to 3.2%, respectively; for PO2, the ranges were 96.2% to 98.2% and 2.6% to 3.0%, respectively. Two PCO2 outliers (in 645 samples = 0.3%) were observed. In general, tonometry recovery, measurement stability, and pH bias results for the StatPal II and Corning 178 were comparable. We conclude that the StatPal II performs within acceptable ranges of inaccuracy and imprecision. |
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Authors:
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R J Wong; J J Mahoney; J A Harvey; A L Van Kessel |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Clinical chemistry Volume: 40 ISSN: 0009-9147 ISO Abbreviation: Clin. Chem. Publication Date: 1994 Jan |
Date Detail:
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Created Date: 1994-02-24 Completed Date: 1994-02-24 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9421549 Medline TA: Clin Chem Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 124-9 Citation Subset: IM |
Affiliation:
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Stanford University Hospital, Division of Pulmonary and Critical Care Medicine, Department of Pulmonary Physiology, CA 94305. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Blood Blood Gas Analysis / instrumentation*, statistics & numerical data Carbon Dioxide / blood Drug Stability Humans Hydrogen-Ion Concentration Oxygen / blood Sensitivity and Specificity Temperature |
| Chemical | |
Reg. No./Substance:
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124-38-9/Carbon Dioxide; 7782-44-7/Oxygen |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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