Why the study?
Is pulmonary capillary wedge pressure inversely related to arterial carbon dioxide tension in patients with congestive heart failure?
Is pulmonary capillary wedge pressure inversely related to arterial carbon dioxide tension in patients with congestive heart failure?
In patients with congestive heart failure, elevated left ventricular filling pressures are inversely correlated with arterial carbon dioxide tension, suggesting that hypocapnia is a respiratory manifestation of pulmonary congestion.
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Hypocapnia may signal elevated PCWP in HF; cross-sectional correlation leaves open causality and clinical utility.
Lorenzi‐Filho et al. (2002) studied this question.
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