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Updated: Oct 18, 2025

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
Published on: February 20, 2017
Left atrial pressure overload and prognosis in elderly patients with heart failure and preserved ejection fraction: a
Shiro Hoshida1, Koichi Tachibana2, Yukinori Shinoda2
1Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan shiro.hoshida@hosp-yao.osaka.jp.
Objectives:
The severity of diastolic dysfunction is assessed using a combination of several indices of left atrial (LA) volume overload and LA pressure overload. We aimed to clarify which overload is more associated with the prognosis in patients with heart failure and preserved ejection fraction (HFpEF).
Setting:
A prospective, multicenter observational registry of collaborating hospitals in Osaka, Japan.
Participants:
We enrolled hospitalised patients with HFpEF showing sinus rhythm (men, 79; women, 113). Blood tests and transthoracic echocardiography were performed before discharge. The ratio of diastolic elastance (Ed) to arterial elastance (Ea) was used as a relative index of LA pressure overload.
Primary Outcome Measures:
All-cause mortality and admission for heart failure were evaluated at >1 year after discharge.
Results:
In the multivariable Cox regression analysis, Ed/Ea, but not LA volume index, was significantly associated with all-cause mortality or admission for heart failure (HR 2.034, 95% CI 1.059 to 3.907, p=0.032), independent of age, sex, and the serum N-terminal pro-brain natriuretic peptide (NT-proBNP) level. In patients with a higher NT-proBNP level, the effect of higher Ed/Ea on prognosis was prominent (p=0.015).
Conclusions:
Ed/Ea, an index of LA pressure overload, was significantly associated with the prognosis in elderly patients with HFpEF showing sinus rhythm.
Trial Registration Number:
UMIN000021831.
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