Autor: |
Polydoros N. Kampaktsis, Benjamin J. Albert, Jiwon Kim, Lola X. Xie, Lillian R. Brouwer, Nathan H. Tehrani, Michael Villanueva, Daniel Y. Choi, Massimiliano Szulc, Mark B. Ratcliffe, Robert A. Levine, Richard B. Devereux, Jonathan W. Weinsaft |
Jazyk: |
angličtina |
Rok vydání: |
2019 |
Předmět: |
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Zdroj: |
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, Vol 8, Iss 5 (2019) |
Druh dokumentu: |
article |
ISSN: |
2047-9980 |
DOI: |
10.1161/JAHA.118.010974 |
Popis: |
Background Mitral regurgitation (MR) has the potential to impede exercise capacity; it is uncertain whether this is because of regurgitation itself or the underlying cause of valvular insufficiency. Methods and Results The population comprised 3267 patients who underwent exercise treadmill myocardial perfusion imaging and transthoracic echocardiography within 6±8 days. MR was present in 28%, including 176 patients (5%) with moderate or greater MR. Left ventricular systolic function significantly decreased and chamber size increased in relation to MR, paralleling increments in stress and rest myocardial perfusion deficits (all P |
Databáze: |
Directory of Open Access Journals |
Externí odkaz: |
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