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Background

Biochemical marker has revolutionized the approach to the diagnosis of heart failure. However, it remains difficult to assess stability of the patient. As such, novel means of stratifying disease severity are needed. C1q/TNF-Related Protein 3 (CTRP3) and C1q/TNF-Related Protein 9 (CTRP9) are novel adipokines that contribute to energy homeostasis with additional anti-inflammatory and anti-ischemic properties. The aim of our study is to evaluate concentrations of CTRP3 and CTRP9 in patients with HFrEF (heart failure with reduced ejection fraction) and whether associated with mortality.

Methods

Clinical data and plasma were obtained from 176 healthy controls and 168 patients with HFrEF. CTRP3 and CTRP9 levels were evaluated by enzyme-linked immunosorbent assay.

Results

Both CTRP3 and CTRP9 concentrations were significantly decreased in the HFrEF group compared to the control group (p < 0.001). Moreover, patients with higher New York Heart Association class had significantly lower CTRP3 or CTRP9 concentrations. Correlation analysis revealed that CTRP3 and CTRP9 levels were positively related with LVEF% (CTRP3, r = 0.556, p < 0.001; CTRP9, r = 0.526, p < 0.001) and negatively related with NT-proBNP levels (CTRP3, r = -0.454, p < 0.001; CTRP9, r = -0.483, p < 0.001). After a follow up for 36 months, after adjusted for age, LVEF and NT-proBNP, we observed that CTRP3 or CTRP9 levels below the 25th percentile was a predictor of total mortality (CTRP3,HR:1.93,95%CI1.03~3.62,P = 0.042;CTRP9,HR:1.98,95%CI:1.02~3.85,P = 0.044) and hospitalizations (CTRP3,HR:2.34,95% CI:1.43~3.82,P = 0.001;CTRP9,HR:2.67,95%CI:1.58~4.50,P < 0.001).

Conclusions

CTRP3 and CTRP9 are decreased in patients with HFrEF, proportionate to disease severity, and each is associated with increased morbidity and mortality.

Trial registration

NCT01372800 . Registered May 2011."xsd:string
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http://purl.uniprot.org/citations/31182031http://purl.uniprot.org/core/author"Zhao S."xsd:string
http://purl.uniprot.org/citations/31182031http://purl.uniprot.org/core/author"Wang S."xsd:string
http://purl.uniprot.org/citations/31182031http://purl.uniprot.org/core/author"Wang R."xsd:string
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http://purl.uniprot.org/citations/31182031http://purl.uniprot.org/core/date"2019"xsd:gYear
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http://purl.uniprot.org/citations/31182031http://purl.uniprot.org/core/title"C1q/TNF-related protein 3 (CTRP3) and 9 (CTRP9) concentrations are decreased in patients with heart failure and are associated with increased morbidity and mortality."xsd:string
http://purl.uniprot.org/citations/31182031http://purl.uniprot.org/core/volume"19"xsd:string
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