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European Journal of Echocardiography Advance Access published online on August 4, 2008
European Journal of Echocardiography, doi:10.1093/ejechocard/jen213
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Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2008. For permissions please email: journals.permissions@oxfordjournals.org

Pattern of pulmonary venous flow in patients with ostium secundum atrial septal defect

Ana Myriam Schroh*, Lidia Beatriz Laghezza, Pablo Javier Domínguez, Virginia Brandán, Daniel Edgardo Nento, Edgardo Álvarez and Carlos Enrique Farinelli

Hospital Pediátrico Dr. Humberto J. Notti, Bandera de los Andes 2603, 5519 Mendoza, Argentina

Received 21 March 2008; accepted after revision 17 July 2008.

* Corresponding author. Tel: +54 261 4132637; fax: +54 261 4134521. E-mail address: amschroh{at}yahoo.com


  Abstract

Aims: The purpose of this study is to determine the possible influence of a left to right atrial shunt over the pulmonary venous flow pattern in children with ostium secundum atrial septal defect (ASD).

Methods and results: Complete two-dimensional, spectral Doppler and colour flow Doppler examination were undertaken to examine the pulmonary vein flow pattern in 74 patients with ASD. This group was compared with a control group of 49 non-cardiological patients of similar ages and gender. Ultimately, pulmonary venous flow patterns changed. Pulmonary vein systolic velocities were significantly increased and diastolic velocities decreased in the ASD patient group compared with the control group. The right ventricular (RV) systolic function, evaluated by tricuspid annular displacement and tricuspid annular systolic velocity, was increased in patients with ASD. No left ventricular dysfunction was detected in the patient study group.

Conclusion: Patients with ASD show changes in the pattern of pulmonary venous flow with an increase in systolic velocity and a decrease in diastolic velocities. This could be caused by an increase in the RV systolic function, which creates a vacuum effect against not only blood from the superior and inferior vena cavae, but also blood from the pulmonary vein through the ASD.

Keywords: pulmonary venous flow pattern


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