Right Ventricular Performance in Chronic Air Flow Obstruction
- 1 January 1984
- journal article
- research article
- Published by S. Karger AG in Respiration
- Vol. 45 (2) , 124-130
- https://doi.org/10.1159/000194608
Abstract
Right ventricular pump performances were assessed in 14 patients with chronic obstructive pulmonary disease by means of radionuclide angiocardiography using krypton-81m as a tracer. Right ventricular ejection fraction (RVEF) was significantly lower in the patients than in normal volunteers. Additionally there was a striking difference in RVEF between patients with normal pulmonary artery pressure (PAP) and those with pathologically elevated PAP. A linear negative correlation between RVEF and mean PAP could be demonstrated. From this data we suggest that radionuclide angiocardiography using krypton-81m allows non invasive assessment of right heart afterload and thus indirectly PAP.Keywords
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