Arterial and transcutaneous variability and agreement between multiple successive measurements of carbon dioxide in patients with chronic obstructive lung disease.

Lars Pilegaard Thomsen,Thea Heide Faaborg,Stephen Edward Rees,Ulla Møller Weinreich

Respiratory Physiology & Neurobiology（2020）

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摘要

•Arterial measurements are prone to large variability as seen in repeated samples.•In respiratory steady state, transcutaneous PtCO2 is a reasonable estimate of PaCO2.•In non-steady state, the variability in PaCO2 are not reflected in transcutaneous PtCO2.•PtCO2 may have a limited usefulness as a method for monitoring acute conditions.

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关键词

Chronic obstructive pulmonary disease,Arterial blood gas measurement,Transcutaneous blood gas measurement,Long-term oxygen therapy,Physiologic monitoring,Carbon dioxide

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