Key result
In 8 patients with ARDS, the mean VD/VT measured by carbon dioxide excretion was considerably higher (0.64) than when measured with the multiple inert gas elimination technique (0.37).
Population
8 patients with acute respiratory distress syndrome (ARDS)
Comparison
Measurement of dead-space fraction based on… vs Measurement of dead-space fraction using the…
Design
Editorial
Authors
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Assessment of dead-space fraction based on carbon dioxide excretion in ARDS overestimates true dead space due to its sensitivity to ventilation-perfusion imbalances.
Absolute Event Rate: 0.64% vs 0.37%
Assessment of dead-space fraction based on carbon dioxide excretion in ARDS overestimates true dead space due to its sensitivity to ventilation-perfusion imbalances.
Warkentin et al. (2002) conducted a letter in Acute respiratory distress syndrome (n=8). Measurement of VD/VT based on carbon dioxide excretion vs. Multiple inert gas elimination technique was evaluated on VD/VT value. In 8 patients with ARDS, the mean VD/VT measured by carbon dioxide excretion was considerably higher (0.64) than when measured with the multiple inert gas elimination technique (0.37).
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