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To determine the influence of intermittent positive pressure breathing (IPPB), the level of pulmonary capillary wedge pressure (PCWP) was compared during IPPB and after a short period off the respirator in 68 occasions on 42 patients with an acute respiratory failure (ARF) of various etiologies. During IPPB, the average PCWP was in the normal range in patients with toxic or neurologic comas and in cases of increased pulmonary capillary permeability edema (IPCPE), PCWP slightly increased within chronic obstructive pulmonary disease (COPD) complicated with ARF and in hemodynamic acute pulmonary edema (HAPE). During the weaning stage, PCWP decreased in the groups of coma, COPD, and IPCPE, but increased in HAPE. The weaning test demonstrates that IPPB influenced PCWP in all patients. Therefore, PCWP cannot be assumed to represent the left ventricle filling pressure. The weaning test allows differentiation of IPCPE from HAPE. In the event of over-infusion or hypovolemia, PCWP measured under IPPB can lead to misinterpretation if not followed up by a second measurement off the respirator.
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A Tenaillon, and
P Massabie, and
G Simonneau, and
J Lissac
January 1979,
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J Labrousse, and
A Tenaillon, and
P Massabie, and
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J Lissac
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J Labrousse, and
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Anesteziologiia i reanimatologiia,
J Labrousse, and
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J Labrousse, and
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J Labrousse, and
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J Lissac
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J Labrousse, and
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Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke,
