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Abstract
On 13 patients with pulmonary tuberculosis, work load was placed by bicycle ergometer and their cardio-pulmonary functions were studied by means of cardiac catheterization.The results were as follows : In minimal and moderately advanced cases, an increase in pulmonary arterial pressure and cardiac index, and a decrease or unchangeability in total pulmonary vascular resistance were found. In far advanced cases or in cases with such complications as pleural effusion, emphysema and pleural callosity, O2 removal showed a marked decrease and cardiac index decreased, neverthless, a marked increase in pulmonary arterial pressure and total pulmonary vascular resistance were found, and in advanced cases work load was limited within low range.
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