Can end-tidal CO 2 measurement replace arterial partial CO 2 in emergency department respiratory distress management?

To assess the feasibility of using end-tidal carbon dioxide (EtCO ) as a non-invasive substitute for partial pressure of arterial carbon dioxide (PaCO ) in emergency department (ED) triage and follow-up, and to explore the potential of partial pressure of venous carbon dioxide (PvCO ) as an alternat...

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Published in:Medicina intensiva (English ed.) 2024-09, Vol.48 (9), p.511
Main Authors: Selki, Kudret, Demir, Mehmet Cihat, Şengüldür, Erdinç, Erdem, Emre, Güldal, Hatice, Taşdemir, Murat, Kıcıroğlu, Alp Kaan Furkan, Boğan, Mustafa
Format: Article
Language:English
Subjects:
Aged
Blood Gas Analysis
Capnography - methods
Carbon Dioxide - analysis
Carbon Dioxide - blood
Cross-Sectional Studies
Emergency Service, Hospital
Feasibility Studies
Female
Humans
Male
Middle Aged
Partial Pressure
Prospective Studies
Respiratory Distress Syndrome - blood
Respiratory Distress Syndrome - therapy
Tidal Volume
Triage - methods
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Summary:To assess the feasibility of using end-tidal carbon dioxide (EtCO ) as a non-invasive substitute for partial pressure of arterial carbon dioxide (PaCO ) in emergency department (ED) triage and follow-up, and to explore the potential of partial pressure of venous carbon dioxide (PvCO ) as an alternative to PaCO . Prospective cross-sectional study. Tertiary university hospital. 97 patients presenting with acute respiratory distress to the ED. EtCO , arterial blood gases, and venous blood gases measured at admission (0 min), 60 min, and 120 min. CO levels. Among 97 patients (mean age: 70.93 ± 9.6 years; 60.8% male), EtCO  > 45 mmHg at admission showed strong positive correlations with PaCO and PvCO (r = 0.844, r = 0.803; p 
ISSN:2173-5727