Abstract
The regulation of the distribution of ventilation/perfusion ratios by hypoxic pulmonary vasoconstriction contributes to both the efficiency of gas exchange and to pulmonary hemodynamics. In this review, the first of a two part series, are summarized the physiologic principles on which the analysis of ventilation/perfusion ratios and of pressure — flow relationships are based. A new combined analysis is introduced that permits the important contributions of hypoxic pulmonary vasoconstriction to overall gas exchange to be demonstrated in the circumstances of clinical complexity.
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Supported in part by grant # GM29628 from the Institute of General Medical Sciences of the NIH
Correspondence to: Center for Anesthesia Research, 781 Dulles, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA
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Marshall, B.E., Marshall, C., Frasch, F. et al. Role of hypoxic pulmonary vasoconstriction in pulmonary gas exchange and blood flow distribution. Intensive Care Med 20, 291–297 (1994). https://doi.org/10.1007/BF01708968
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DOI: https://doi.org/10.1007/BF01708968