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Can echocardiographic assessment of interatrial septum shape and motion improve the accuracy of the BLUE protocol?

  • ANA OVSENIK1
  • ANDREJ FABJAN2,3
  • MOJCA BERVAR1
  • MATEJ PODBREGAR4,5

1Department of Cardiology, University Medical Centre, Ljubljana, Slovenia

2 Department of Vascular Neurology and Intensive Care, Neurological Clinic, University Medical Centre, Ljubljana, Slovenia

3 Institute of Physiology, Faculty of Medicine, University of Ljubljana, Slovenia

4 Department of Intensive care, General Hospital Celje, Celje, Slovenia

5 Institute for Pathophysiology, Faculty of Medicine, University of Ljubljana, Slovenia

DOI: 10.22514/SV152.102019.2 Vol.15,Issue 2,September 2019 pp.18-22

Published: 20 September 2019

*Corresponding Author(s): MATEJ PODBREGAR E-mail: podbregar.matej@gmail.com

Abstract

Acute respiratory failure is one of the most challenging critical conditions due to a wide variety of differential diagnosis. Bedside lung ultrasound in emergency (BLUE) protocol allows accurate differen-tiation between the most common under-lying causes of acute respiratory failure in up to 90% of the cases. The assessment of left atrial pressure affecting left ventricular filling is essential in critically ill patients guiding volume substitution, optimization of left ventricular function and prevention of pulmonary congestion, thus ensuing haemodynamic stability. A simple, non-in-vasive method of left atrial pressure evalu-ation is the echocardiographic assessment of interatrial septum shape and motion, which is affected by interatrial pressure gradient. Aiming to improve the accura-cy of the BLUE protocol, we propose the simple, non-invasive echocardiographic assessment of interatrial septum shape and motion as an upgrade, providing ad-ditional information of the loading of left and right atrium thus distinguishing the most common causes of acute respiratory failure.

Keywords

lung ultrasound, BLUE protocol, interatrial septum, echocardiography

Cite and Share

ANA OVSENIK,ANDREJ FABJAN,MOJCA BERVAR,MATEJ PODBREGAR. Can echocardiographic assessment of interatrial septum shape and motion improve the accuracy of the BLUE protocol?. Signa Vitae. 2019. 15(2);18-22.

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