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http://hdl.handle.net/1942/18545
Title: | The pathophysiologic role of interstitial sodium in heart failure | Authors: | NIJST, Petra VERBRUGGE, Frederik GRIETEN, Lars DUPONT, Matthias STEELS, Paul Tang, W.H. Wilson MULLENS, Wilfried |
Issue Date: | 2015 | Source: | JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, 65 (4), p. 378-388. | Abstract: | The current understanding of heart failure (HF) does not fully explain the spectrum of HF symptoms. Most HF hospitalizations are related to sodium (Naþ) and fluid retention resulting from neurohumoral up-regulation. Recent insights suggest that Naþ is not distributed in the body solely as a free cation, but that it is also bound to large interstitial glycosaminoglycan (GAG) networks in different tissues, which have an important regulatory function. In HF, high Naþ intake and neurohumoral alterations disrupt GAG structure, leading to loss of the interstitial buffer capacity and disproportionate interstitial fluid accumulation. Moreover, a diminished endothelial GAG network (the endothelial glycocalyx) results in increased vascular resistance and disturbed endothelial nitric oxide production. New imaging modalities can help evaluate interstitial Naþ and endothelial glycocalyx integrity. Furthermore, several therapies have been proven to stabilize interstitial GAG networks. Hence, a better appreciation of this new Naþ “compartment” might improve current management of HF. (J Am Coll Cardiol 2015;65:378–88) © 2015 by the American College of Cardiology Foundation. | Notes: | [Nijst, Petra; Verbrugge, Frederik H.; Grieten, Lars; Dupont, Matthias; Mullens, Wilfried] Ziekenhuis Oost Limburg, Dept Cardiol, B-3600 Genk, Belgium. [Nijst, Petra; Verbrugge, Frederik H.; Grieten, Lars] Hasselt Univ, Doctoral Sch Med & Life Sci, Diepenbeek, Belgium. [Steels, Paul; Mullens, Wilfried] Hasselt Univ, Fac Med & Life Sci, Biomed Res Inst, Diepenbeek, Belgium. [Tang, W. H. Wilson] Inst Heart & Vasc, Dept Cardiovasc Med, Cleveland Clin, Cleveland, OH USA. | Keywords: | endothelial dysfunction; endothelial glycocalyx; glycosaminoglycan; interstitium; proteoglycan | Document URI: | http://hdl.handle.net/1942/18545 | ISSN: | 0735-1097 | e-ISSN: | 1558-3597 | DOI: | 10.1016/j.jacc.2014.11.025 | ISI #: | 000348666800011 | Rights: | © 2015 BY THE AMERICAN COLLEGE OF CARDIOLOGY FOUNDATION | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
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