ISSN: 1859 - 2872
Study on pulmonary hemodynamic changes following isolated mitral valve replacement or simultaneous aortic and mitral valve replacement in patients with pulmonary hypertension
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Abstract
Objective: Evaluation the pulmonary hemodynamic changes before and early isolated mitral valve replacement (MVR) or concomitant aortic valve replacement (AVR) in patients with pulmonary hypertension (PH). Subject and method: We enrolled 67 patients who were isolated MVR or simultaneous AVR in Hue Center Hospital from May to December, 2017. Result: Systolic pulmonary pressure, diastolic pulmonary pressure, mean pulmonary pressure (PAPm), pulmonary artery occlusion pressure (PAOP), tranpulmonary gradient decreased immediately after endotracheal intubation and they were normal at pulmonary artery catheter removing (PAPm 22.7 ± 9.2mmHg). Pulmonary venous resistance decreased to near normal value (254.2 ± 162.5 dynes.sec. cm-5/m2). There was a strong linear relationship between PAPs and PAOP. Conclusion: Pulmonary hypertension improve very well after isolated MVR or concomitant AVR in patients with PH.
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References
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