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metadata.dc.type: | Artigo de Periódico |
Título : | Frequency of left ventricular diastolic dysfunction by mitral doppler in healthy elderly individuals |
Otros títulos : | Arq. Bras. Cardiol. |
Autor : | Silva, Luiz Sérgio Alves Câmara, Edmundo José Nassri Souza, Carlos Alfredo Marcílio de |
metadata.dc.creator: | Silva, Luiz Sérgio Alves Câmara, Edmundo José Nassri Souza, Carlos Alfredo Marcílio de |
Resumen : | Background : Healthy elderly individuals present alterations in mitral Doppler velocities, which are characteristic of left ventricular (LV) diastolic dysfunction with impaired relaxation. Objective : To determine the frequency of LV diastolic dysfunction by mitral Doppler in healthy elderly individuals and identify clinical and echocardiographic characteristics associated to this finding.Methods : Seventy-three apparently healthy individuals (64% women, aged 60 to 80) were carefully selected and submitted to clinical, laboratory and Doppler-echocardiographic assessment, with particular regard to the characteristics of the mitral flow. Results : A total of 33 patients (45%) presented an impaired LV relaxation pattern (group I), characterized by the association between the maximum velocities of the mitral wave flow (E/A ratio) <0.75 or E-wave deceleration time >240 ms, and 40 (55%) with a normal pattern (group II). Group I presented a larger aortic root diameter (32.1±4.2 vs. 30.3±3.3 mm; p=0.044) and a longer PR interval (156±22 vs. 139±23 ms; p=0.002).Conclusion : A large proportion of individuals aged 60 to 80 years present normal diastolic function at the Doppler-echocardiographic assessment of the mitral flow. Healthy elderly individuals with impaired LV relaxation filling have a larger aortic root diameter and longer PR interval.(Arq Bras Cardiol 2009; 93(3) : 304-309) |
Palabras clave : | Ventricular dysfunction Left Echocardiography Doppler Mitral valve, elderly |
Editorial : | Arquivos Brasileiros de Cardiologia |
URI : | http://www.repositorio.ufba.br/ri/handle/ri/6200 |
Fecha de publicación : | 2009 |
Aparece en las colecciones: | Artigo Publicado em Periódico (Faculdade de Medicina) |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
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Alves-Silva, Luiz Sérgio.pdf | 349,06 kB | Adobe PDF | Visualizar/Abrir |
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