Abstract
CRS is a common problem in patients with advanced heart failure. Arterial underfilling with consequent neurohormonal activation, systemic and intrarenal vasoconstriction, and salt and water retention cause the main clinical features of CRS which include a progressive decline in renal function, worsening renal function during treatment of heart failure (HF) decompensation and resistance to loop diuretics. Impaired renal function in HF patients often reflects more advanced stages of cardiac failure, and thus is associated with a worse prognosis. However, a transient fall in glomerular filtration rate may be a result of successful treatment of congestion, and thereby might not be associated with decreased survival in HF patients. This review covers basic pathophysiological mechanisms underlying the CRS and current trends in practical approaches to treat these patients.
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Acknowledgments
Dr. D. Shchekochikhin’s cardiorenal fellowship was sponsored by the Russian President’s Scholarship for Studying Abroad and Gambro UF Solutions, Inc.
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Dmitry Shchekochikhin declares that he has no conflict of interest.
Robert Schrier has been a consultant for Otsuka Pharmaceutical, Janssen Pharmaceutical.
JoAnn Lindenfeld has been a consultant for St. Jude, Medtronic, Boston Scientific. She has received grant support from Zensun and Medtronic. She has received travel/accommodations expenses covered or reimbursed from FDA, NIH, AHA, ACC, HFSA, and University of Colorado.
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This article does not contain any studies with human or animal subjects performed by any of the authors.
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This article is part of the Topical Collection on Congestive Heart Failure
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Shchekochikhin, D., Schrier, R.W. & Lindenfeld, J. Cardiorenal Syndrome: Pathophysiology and Treatment. Curr Cardiol Rep 15, 380 (2013). https://doi.org/10.1007/s11886-013-0380-4
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DOI: https://doi.org/10.1007/s11886-013-0380-4