Population
53 ICU patients with 94 flow-directed pulmonary artery catheters
Design
Cohort
Authors
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Technical problems raise wedge pressure error risk; supports quality control protocols but leaves open impact on clinical decisions.
Pulmonary artery wedge pressure measurement errors occur in 14% of attempts overall, but are significantly more common when technical problems are present, highlighting the importance of quality control procedures like dynamic response testing.
Morris et al. (1985) studied this question.
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