Primary endpoint: To describe the Bland-Altman agreement of end-tidal CO₂ (EtCO₂) measurements between MARIETM airway adapter (Oxlantic Medical AB) and a standard capnography, Getinge Flow-i, in intubated patients.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
OTHER
Masking
NONE
Enrollment
30
Portable mainstream capnography
To describe the Bland-Altman agreement of end-tidal CO₂ measurements between MARIE airway adapter (Oxlantic Medical AB) and a standard capnography, Getinge Flow-i, in intubated patients.
End-tidal carbon dioxide (EtCO2) will be measured by a standard capnograph from the company Getinge Flow-i and be compared to the end-tidal carbon dioxide of a novel portable mainstream capnograph MARIE
Time frame: During anesthesia and mechanical ventilation
Correlation of end-tidal CO₂ (EtCO₂) measurements between MARIE and Getinge Flow-i
Time frame: During anesthesia and mechanical ventilation maximum up to 12 hours after start of anesthesia
Correlation between PaCO₂ and EtCO₂ measured by MARIE and Getinge Flow-i, respectively.
Time frame: During anesthesia and mechanical ventilation maximum up to 12 hours after start of anesthesia
Time trajectories of PaCO₂ and EtCO₂ measured using MARIE and Getinge Flow-i, respectively.
Time frame: During anesthesia and mechanical ventilation maximum up to 12 hours after start of anesthesia
Overall agreement between EtCO₂ measured by MARIE, Getinge Flow-i, and PaCO₂.
Time frame: During anesthesia and mechanical ventilation maximum up to 12 hours after start of anesthesia
Respiratory rate measured by MARIE compared to Getinge Flow-i.
Time frame: During anesthesia and mechanical ventilation maximum up to 12 hours after start of anesthesia
Usability as reported by nurse.
Time frame: During anesthesia and mechanical ventilation maximum up to 12 hours after start of anesthesia
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Reasons for premature termination of MARIE.
Time frame: During anesthesia and mechanical ventilation maximum up to 12 hours after start of anesthesia
Registration of technical problems, e.g. unexpected shutdowns or blockage by mucus.
Time frame: During anesthesia and mechanical ventilation maximum up to 12 hours after start of anesthesia