ACTUALIZAÇAO ECOCARDIOGRAFICA EM PACIENTES CON DISFUNÇAO DIASTOLICA





ACTUALIZAÇAO ECOCARDIOGRAFICA EM PACIENTES CON DISFUNÇAO DIASTOLICA

(especial para SIIC © Derechos reservados)
Actualmente é incontestável a (es irrefutable la) participação da disfunção diastólica como componente da (de la) insuficiência cardíaca e (y) fundamental o seu (su) reconhecimento para um diagnóstico e prognóstico adequado.
Autor:
Alexandra Goncalves
Columnista Experta de SIIC

Institución:
University of Porto Medical School/ Hospital S. João


Artículos publicados por Alexandra Goncalves
Coautor
Vania Ribeiro* 
University of Porto Medical School/ Hospital S. João, Porto, Portugal*
Recepción del artículo
3 de Septiembre, 2013
Aprobación
25 de Octubre, 2013
Primera edición
27 de Noviembre, 2013
Segunda edición, ampliada y corregida
7 de Junio, 2021

Resumen
Actualmente é incontestável a (es irrefutable la) participação da disfunção diastólica como componente da insuficiência cardíaca e fundamental o seu (su) reconhecimento para um diagnóstico e prognóstico adequado. Por outro lado, o compromisso da função diastólica pode interferir na função (en la función) sistólica e vice-versa, de tal forma que é necessário que a função ventricular seja avaliada (sea evaluada) de forma integrada, considerando-se todas as (las) fases do ciclo cardíaco. Este artigo revê a (revisa el) análise não invasiva da função diastólica por ecocardiografia abordando as várias técnicas disponíveis: análise do fluxo (del flujo) mitral, do fluxo de veias pulmonares, da velocidade de propagação do fluxo pelo (por el) modo M, do Doppler tecidual (tisular) e do (y del) volume auricular esquerdo. Particularmente a análise do fluxo transmitral e o Doppler tecidular do anel mitral, com a obtenção da razão (de la razón) E/A e E/e', estão amplamente difundidas para determinação das pressões de enchimento do (llenado del) ventrículo esquerdo. Contudo a (Sin embargo) existência de limitações de ordem clínica e técnica levaram ao desenvolvimento (llevaron al desarrollo) de novas tecnologias e à (y la) investigação crescente nas modalidades derivadas do speckle tracking (strain, strain rate, torção), que permitem a avaliação da (la evaluación de la) função ventricular com maior independência de factores extracardíacos. Espera-se que a (Se espera que la) validação destas (de estas) novas técnicas conduza à melhoria do (lleven a la mejoría del) conhecimento na avaliação da função diastólica.

Palabras clave
diástole, diástole, ecocardiografia, ecocardiografía, insuficiência cardíaca, insuficiencia cardíaca


Artículo completo

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Extensión:  +/-6.92 páginas impresas en papel A4
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Abstract
Participation of diastolic dysfunction as a component of heart failure is nowadays unquestionable and its recognition is vital for a proper diagnosis and prognosis. Moreover, the impairment of diastolic function can interfere with systolic function and vice versa, requiring the evaluation of ventricular function in an integrated manner, considering all phases of cardiac cycle. This article reviews the analysis of diastolic function by non-invasive echocardiography, approaching the various techniques available: analysis of mitral inflow, pulmonary venous flow, color M-mode flow propagation velocity, tissue Doppler and left atrial volume. Specially the analysis of mitral inflow and tissue Doppler, with ratio E/A and E/e' are widely held to determine the filling pressures of left ventricle. However, technical and clinical limitations led to the development of new technologies and growing research in modalities derived from speckle tracking echocardiography (strain, strain rate, twist), which allow the assessment of ventricular function with greater independence of extra cardiac factors. It is expected that the validation of these new techniques lead to the improvement of diastolic evaluation knowledge.

Key words
diastole, echocardiography, heart failure


Clasificación en siicsalud
Artículos originales > Expertos de Iberoamérica >
página   www.siicsalud.com/des/expertocompleto.php/

Especialidades
Principal: Cardiología
Relacionadas: Diagnóstico por Imágenes, Medicina Interna



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Enviar correspondencia a:
Alexandra Gonçalves, Hospital S. João, 4200-319, Alameda Prof. Hernâni Monteiro 4200, Porto, Portugal
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