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Effect of metabolic acidosis on pulmonary microcirculation in the cat
1Department of Cardiac Physiology, National Cardiovascular Center Research Institute, Suita, Japan.
The Japanese Journal of Physiology
|January 1, 1987
Abstract:
Using a new X-ray TV system, we studied the effects of metabolic acidosis, produced by intravenous injection of lactic acid, on internal diameter (ID; 100-500 micron), flow velocity, and volume flow in pulmonary microcirculation of anesthetized cats. We found that metabolic acidosis decreased the ID of arteries by 21%, whereas it increased flow velocity by 28% but not volume flow.