Pulmonary capillary pressure

At the point of inflection between the fast and slow components of the pressure decay curve after balloon inflation and arterial occlusion, the pulmonary capillary pressure downstream from the pulmonary artery pressure but upstream from the PAWP can be derived, provided that superimposed respiratory changes are minimal or absent. This pressure is the microvascular hydrostatic pressure for fluid filtration. The capillary pressure in the lung depends on the (unpredictable) ratio of afferent to efferent pulmonary vascular resistance. The clinical value of this concept has not yet been demonstrated.

Sleep Apnea

Sleep Apnea

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