Echocardiographic Assessment of the Pulmonary Venous Flow: An Indicator of Increased Pulmonary Flow in Congenital Cardiac Malformations

Echocardiographic Assessment of the Pulmonary Venous Flow: An Indicator of Increased Pulmonary Flow in Congenital Cardiac Malformations

Autor Rivera, Ivan Romero Autor UNIFESP Google Scholar
Moisés, Valdir Ambrósio Autor UNIFESP Google Scholar
De Paola, Angelo Amato Vincenzo Autor UNIFESP Google Scholar
Carvalho, Antonio Carlos Autor UNIFESP Google Scholar
Instituição Universidade Federal de São Paulo (UNIFESP)
Resumo OBJECTIVE: To identify the left inferior pulmonary vein as an indirect marker of increased pulmonary flow in congenital heart diseases.METHODS: We carried out a prospective consecutive study on 40 patients divided into 2 groups as follows: G1 - 20 patients diagnosed with congenital heart disease and increased pulmonary flow; G2 (control group) - 20 patients who were either healthy or had congenital heart disease with decreased or normal pulmonary flow. We obtained the velocity-time integral of the left inferior pulmonary vein flow, excluding the reverse A wave, with pulsed Doppler echocardiography.RESULTS: In G1, 19 out of the 20 patients had well-identified dilation of the left inferior pulmonary vein. No G2 patient had dilation of the left inferior pulmonary vein. Dilation of the left inferior pulmonary vein in conditions of increased pulmonary flow had sensitivity of 95%, specificity of 100%, positive predictive value of 100%, and negative predictive value of 95% (1 false-negative case). The integral of time and velocity of the pulmonary venous flow obtained with pulsed Doppler echocardiography was greater in the G1 patients (G1=25.0±4.6 cm versus G2=14.8±2.1 cm, p=0.0001).CONCLUSION: The identification of dilation of the left inferior pulmonary vein suggests the presence of congenital heart disease with increased pulmonary flow. This may be used as an indirect sign of increased flow, mainly in malformations of difficult diagnosis, such as atrial septal defects of the venous sinus or coronary sinus type.
Palavra-chave echocardiography
pulmonary veins
congenital heart diseases
Idioma Inglês
Data de publicação 2002-06-01
Publicado em Arquivos Brasileiros de Cardiologia. Sociedade Brasileira de Cardiologia - SBC, v. 78, n. 6, p. 541-544, 2002.
ISSN 0066-782X (Sherpa/Romeo)
Publicador Sociedade Brasileira de Cardiologia - SBC
Extensão 541-544
Fonte http://dx.doi.org/10.1590/S0066-782X2002000600001
Direito de acesso Acesso aberto Open Access
Tipo Artigo
SciELO S0066-782X2002000600001 (estatísticas na SciELO)
Endereço permanente http://repositorio.unifesp.br/handle/11600/1458

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