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Endovascular shedding markers in patients with heart failure with reduced ejection fraction: Results from a single-center exploratory study.
BACKGROUND: Endothelial glycocalyx degradation has been associated with multiple pathophysiological processes in cardiovascular disease.
AIMS: To explore the role of glycocalyx shedding markers in pathophysiology of HFrEF.
METHODS: In 123 HFrEF patients, the concentration, prognostic value, and association of glycocalyx shedding markers with other disease processes were investigated.
RESULTS: Median HA levels and syndecan-1 levels in HFrEF patients were, respectively, 29.4 (10.7;61.6) ng/mL and 48.5 (33.6;80.8) ng/mL. Overall, HA-levels were significantly higher in HFrEF patients compared to healthy subjects, but only 31% of HFrEF patients had HA-levels above the cutoff of normal. There was no significant difference among HFrEF patients and healthy subjects regarding syndecan-1 levels. HFrEF patients with elevated HA-levels had a significantly worse outcome (log rank = 0.01) which remained significant after correction for established risk factors (HR 2.53 (1.13-5.69); P = .024). There was no significant relation between levels of shedding markers and neurohumoral activation (PRA, serum aldosterone, NT-proBNP), myocardial injury (HS-trop), inflammation (CRP), or other baseline characteristics.
CONCLUSIONS: The glycocalyx shedding marker HA is significantly elevated in a subgroup of HFrEF patients and an independent predictor for worse clinical outcome. Glycocalyx shedding might be an additional factor in the pathophysiology of HF which warrants further investigation.
AIMS: To explore the role of glycocalyx shedding markers in pathophysiology of HFrEF.
METHODS: In 123 HFrEF patients, the concentration, prognostic value, and association of glycocalyx shedding markers with other disease processes were investigated.
RESULTS: Median HA levels and syndecan-1 levels in HFrEF patients were, respectively, 29.4 (10.7;61.6) ng/mL and 48.5 (33.6;80.8) ng/mL. Overall, HA-levels were significantly higher in HFrEF patients compared to healthy subjects, but only 31% of HFrEF patients had HA-levels above the cutoff of normal. There was no significant difference among HFrEF patients and healthy subjects regarding syndecan-1 levels. HFrEF patients with elevated HA-levels had a significantly worse outcome (log rank = 0.01) which remained significant after correction for established risk factors (HR 2.53 (1.13-5.69); P = .024). There was no significant relation between levels of shedding markers and neurohumoral activation (PRA, serum aldosterone, NT-proBNP), myocardial injury (HS-trop), inflammation (CRP), or other baseline characteristics.
CONCLUSIONS: The glycocalyx shedding marker HA is significantly elevated in a subgroup of HFrEF patients and an independent predictor for worse clinical outcome. Glycocalyx shedding might be an additional factor in the pathophysiology of HF which warrants further investigation.
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