Circulating Biomarkers of Collagen Metabolism and Prognosis of Heart Failure with Reduced or Mid-Range Ejection Fraction.
Change in the architecture and composition of cardiac extracellular matrix is a key element in adverse cardiac remodeling that occurs during heart failure. Most of the times, the result is the development of fibrosis, which has a huge impact on the pathophysiology and clinical outcomes of heart failure syndromes. Several molecules related to collagen metabolism detectable in the blood have been proposed as biomarkers of myocardial fibrosis. Despite concerns regarding the true ability of these biomarkers to reflect quantitative and qualitative changes in myocardial collagen, a growing body of evidence suggests that they may play a potential role in several aspects of heart failure management.



This review aimed to summarize published data regarding the role of circulating biomarkers of collagen metabolism in the assessment of prognosis in patients with heart failure with reduced or mid-range LVEF ventricular ejection fraction (LVEF < 40% or LVEF 40-49%, respectively). Medline electronic database was searched to identify relevant studies published through October 2016.



Most evidence regarding the prognostic value of collagen biomarkers in HF with reduced or mid-range LVEF lies on data concerning PIIINP and several MMPs and TIMP-1. Several prospective studies found that higher levels of PIIINP, several MMPs and TIMP-1 are associated with higher rates of mortality and/or HF hospital admissions in HF patients with LVEF < 50%.



Circulating collagen biomarkers have been shown to play a role in prognostic stratification in heart failure patients with reduced or mid-range ejection fraction.
Cardiology Department, Centro Hospitalar e universitário de Coimbra - Pólo Hospitais da Universidade de Coimbra, Praceta Prof. Mota Pinto, 300 - 075 Coimbra. Portugal.
Joana Moura
JM
Ferreira
Cardiology Department, Hospital do Divino Espírito Santo, Avenida D. Manuel I, Matriz, 9500 - 370 Ponta Delgada. Portugal.
Sara Moura
SM
Ferreira
Cardiology Department, Centro Hospitalar e Universitário de Coimbra - Pólo Hospitais da Universidade de Coimbra, Praceta Prof. Mota Pinto, 300 - 075 Coimbra. Portugal.
Maria João
MJ
Ferreira
Department of Physiology and Cardiothoracic Surgery, Faculty of Medicine, University of Porto, Alameda Prof. Hernâni Monteiro, 4200 - 319 Porto. Portugal.
Inês
I
Falcão-Pires
D000818:Animals; D015415:Biomarkers / Q000097:blood; D003094:Collagen / Q000097:blood / Q000378:metabolism*; D006333:Heart Failure / Q000097:blood* / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D020782:Matrix Metalloproteinases / Q000097:blood; D011379:Prognosis; D011446:Prospective Studies; D013318:Stroke Volume / Q000502:physiology*; D019715:Tissue Inhibitor of Metalloproteinase-1 / Q000097:blood
D015415:Biomarkers; C560822:TIMP1 protein, human; D019715:Tissue Inhibitor of Metalloproteinase-1; D003094:Collagen; D020782:Matrix Metalloproteinases
Heart failure; biological markers; collagen biomarkers; collagen metabolism; extracellular matrix; myocardial collagen.