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2015 ; 15
(ä): 79
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Admission hypoxia-inducible factor 1? levels and in-hospital mortality in
patients with acute decompensated heart failure
#MMPMID26223692
Li G
; Lu WH
; Wu XW
; Cheng J
; Ai R
; Zhou ZH
; Tang ZZ
BMC Cardiovasc Disord
2015[Jul]; 15
(ä): 79
PMID26223692
show ga
BACKGROUND: Hypoxia-inducible factor 1 (HIF-1) is a critical regulator for
cellular oxygen balance. Myocardial hypoxia can induce the increased expression
of HIF-1?. Our goals were to evaluate the value of HIF-1? in predicting death of
patients with acute decompensated heart failure (ADHF) and describe the in vivo
relationship between serum HIF-1? and N-terminal-pro-brain natriuretic peptide
(NT-proBNP) levels. METHOD: We included 296 patients who were consecutively
admitted to the emergency department for ADHF. The primary end point was
in-hospital death. The patients were categorized as HFrEF (patients with reduced
systolic function) and HFpEF (patients with preserved systolic function) groups.
RESULTS: In our patients, the median admission HIF-1? level was
2.95?±?0.85 ng/ml. The HIF-1? level was elevated significantly in HFrEF patients
and deceased patients compared with HFpEF patients and patients who survived. The
HIF-1? level was positively correlated with NT-proBNP and cardiac troponin T
levels, and negatively correlated with left ventricular ejection fraction and
systolic blood pressure. Kaplan-Meier curves revealed a significant increase in
in-hospital mortality in ADHF patients with higher HIF-1? levels. Multivariable
Cox regression analysis showed that HIF-1? levels were not correlated with the
short-term prognosis of ADHF patients. CONCLUSIONS: This is the first study to
evaluate the circulating levels of HIF-1? in ADHF patients. Serum HIF-1? levels
may reflect a serious state in patients with ADHF. Due to the limitations of the
study, serum HIF-1? levels were not correlated with the in-hospital mortality
based on regression analysis. Further studies are needed to demonstrate the
diagnostic and/or prognostic role of HIF-1? as a risk biomarker in patients with
ADHF.