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  • Title: [Correlations between polygraphic and hemodynamic parameter changes induced by high concentrated oxygen administration in patients with mitral valvulopathy (author's transl)].
    Author: Ferro G, Chiariello M, Tari MG, Volpe M, Ricciardelli B, Catena E, Condorelli M.
    Journal: G Ital Cardiol; 1980; 10(6):741-5. PubMed ID: 7461319.
    Abstract:
    The goal of this study was to identify, utilizing apexcardiogram, other noninvasive parameters useful to evaluate the functional condition of the pulmonary vascular bed in patients with mitral stenosis and insufficiency. The patients of both sexes with mitral stenosis and insufficiency underwent left and right heart catetherization and simultaneously a polygraphic study was performed. Recordings of polygraphic as well as hemodynamic parameters were performed under control condition and after 5 min breathing of 100% Oxygen administered by facial mask. These results indicate that changes in rapid filling angle have a close relationship with changes in pulmonary capillary wedge pressure and variation of rapid filling interval are correlated with changes in pulmonary capillary wedge pressure and variation of rapid filling interval are correlated with changes in cardiac output.
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