Circulation journal : official journal of the Japanese Circulation Society · 2026
High Human Epididymis Protein 4 Levels Are Associated With Lower Systolic Function and Poor Prognosis in Heart Failure With Reduced Ejection Fraction.
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Okuno Yuki, Hanatani Shinsuke, Ogata Fumihiko, Yamaguchi Shinpei, Yamamoto Masahiro, Kuyama Naoto, Ishii Masanobu, Usuku Hiroki, Yamamoto Eiichiro, Oda Seitaro, Izumiya Yasuhiro, Soejima Hirofumi, Kawano Hiroaki, Hirai Toshinori, Tsujita Kenichi
Аннотация
BACKGROUND: Human epididymis protein 4 (HE4) is a novel fibrosis marker expressed in activated myofibroblasts. Although we previously demonstrated its prognostic value in dilated cardiomyopathy, its significance in general heart failure with reduced ejection fraction (HFrEF) remains unclear.
METHODS AND RESULTS: Serum HE4 concentrations were measured in 140 patients with HFrEF (left ventricular ejection fraction <40%) and followed for up to 3 years to assess cardiovascular (CV) death and heart failure hospitalization. Kaplan-Meier analysis revealed significantly higher CV event rates in the high HE4 group (above the median) than in the low HE4 group (log-rank P<0.001). Multivariate Cox regression analysis identified HE4 (ln[HE4]) as an independent predictor of adverse outcomes (hazard ratio 3.99; 95% confidence interval [CI] 2.05-7.75; P<0.001). In multivariate linear regression, HE4 was significantly associated with age, serum creatinine, plasma B-type natriuretic peptide, E/e', and global longitudinal strain (GLS; β=-0.083; 95% CI -0.111, -0.054; P<0.001). Combining HE4 and GLS demonstrated that patients with high HE4 and low GLS had the highest CV event rate (log-rank P<0.001).
CONCLUSIONS: HE4 is an independent prognostic biomarker in HFrEF, and its association with GLS may reflect underlying myocardial dysfunction and fibrotic remodeling leading to adverse outcomes.
METHODS AND RESULTS: Serum HE4 concentrations were measured in 140 patients with HFrEF (left ventricular ejection fraction <40%) and followed for up to 3 years to assess cardiovascular (CV) death and heart failure hospitalization. Kaplan-Meier analysis revealed significantly higher CV event rates in the high HE4 group (above the median) than in the low HE4 group (log-rank P<0.001). Multivariate Cox regression analysis identified HE4 (ln[HE4]) as an independent predictor of adverse outcomes (hazard ratio 3.99; 95% confidence interval [CI] 2.05-7.75; P<0.001). In multivariate linear regression, HE4 was significantly associated with age, serum creatinine, plasma B-type natriuretic peptide, E/e', and global longitudinal strain (GLS; β=-0.083; 95% CI -0.111, -0.054; P<0.001). Combining HE4 and GLS demonstrated that patients with high HE4 and low GLS had the highest CV event rate (log-rank P<0.001).
CONCLUSIONS: HE4 is an independent prognostic biomarker in HFrEF, and its association with GLS may reflect underlying myocardial dysfunction and fibrotic remodeling leading to adverse outcomes.