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Hayato K, Matsumura Y, Kawada Y, et al. Turbulent left-to-right shunt flow through the interatrial septum suggesting high left atrial pressure in patients with heart failure with preserved ejection fraction. J Echocardiogr. 2010;9(3):109-11doi: 10.1007/s12574-010-0071-8.
Hayato, K., Matsumura, Y., Kawada, Y., Baba, Y., Tanioka, K., Okawa, M., Kubo, T., Yamasaki, N., Kitaoka, H., Nishinaga, M., & Doi, Y. (2011). Turbulent left-to-right shunt flow through the interatrial septum suggesting high left atrial pressure in patients with heart failure with preserved ejection fraction. Journal of echocardiography, 9(3), 109-11. https://doi.org/10.1007/s12574-010-0071-8
Hayato, Kayo, et al. "Turbulent left-to-right shunt flow through the interatrial septum suggesting high left atrial pressure in patients with heart failure with preserved ejection fraction." Journal of echocardiography vol. 9,3 (2011): 109-11. doi: https://doi.org/10.1007/s12574-010-0071-8
Hayato K, Matsumura Y, Kawada Y, Baba Y, Tanioka K, Okawa M, Kubo T, Yamasaki N, Kitaoka H, Nishinaga M, Doi Y. Turbulent left-to-right shunt flow through the interatrial septum suggesting high left atrial pressure in patients with heart failure with preserved ejection fraction. J Echocardiogr. 2011 Sep;9(3):109-11. doi: 10.1007/s12574-010-0071-8. Epub 2010 Oct 26. PMID: 27277178.
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J Echocardiogr. 2011 Sep;9(3):109-11. doi: 10.1007/s12574-010-0071-8. Epub 2010 Oct 26.

Turbulent left-to-right shunt flow through the interatrial septum suggesting high left atrial pressure in patients with heart failure with preserved ejection fraction.

Journal of echocardiography

Kayo Hayato, Yoshihisa Matsumura, Yasumasa Kawada, Yuichi Baba, Katsutoshi Tanioka, Makoto Okawa, Toru Kubo, Naohito Yamasaki, Hiroaki Kitaoka, Masanori Nishinaga, Yoshinori Doi

Affiliations

  1. Department of Medicine and Geriatrics, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku, Kochi, 783-8505, Japan.
  2. Department of Medicine and Geriatrics, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku, Kochi, 783-8505, Japan. [email protected].

PMID: 27277178 DOI: 10.1007/s12574-010-0071-8

Abstract

Lutembacher's syndrome is a combination of interatrial septal (IAS) defect or patent foramen ovale (PFO), associated with mitral stenosis. High left atrial (LA) pressure in mitral stenosis exaggerates left-to-right shunt in patients with interatrial communication. We present a case of heart failure with preserved ejection fraction. Echocardiography revealed normal left ventricular systolic function without mitral stenosis and turbulent left-to-right shunt through the IAS. The peak velocity of the shunt flow was 2.3 m/s and the estimated pressure gradient was 22 mmHg, indicating high LA pressure. The presence of turbulent left-to-right shunt through the IAS is helpful for detecting high LA pressure.

Keywords: Echocardiography; Heart failure; Interatrial septum; Lutembacher’s syndrome; Patent foramen ovale

References

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  2. Mayo Clin Proc. 1984 Jan;59(1):17-20 - PubMed
  3. Am Heart J. 1993 May;125(5 Pt 1):1369-74 - PubMed

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