Clinical Investigation Centre and Heart Failure Department, Hôpital Cardiovasculaire Louis Pradel, inserm 1407, 69500 Bron, France. Centre d'Investigations Cliniques Plurithématique 1433, inserm 1116, CHRU de Nancy, Université de Lorraine, F-CRIN INI-CRCT, 54500 Vandoeuvre-lès-Nancy, France. Department of Nephrology and Dialysis, Hôpital Tenon, AP-HP, inserm, UMR_S 1155, 75020 Paris, France. Department of Nephrology, Dialysis and Renal Transplantation, University of Franche-Comté, 25000 Besançon, France. Cardiology Department, Pitié-Salpêtrière Hospital, AP-HP, IHU-ICAN, UMR-S 1166, Sorbonne Université, ACTION, 75013 Paris, France. Department of Nephrology, Edouard-Herriot Hospital, Hospices Civils de Lyon, Lyon 1 Claude Bernard University, F-CRIN INI-CRCT, 69003 Lyon, France. Hôpital Cardiologique, CHRU de Lille, Inserm U744, Institut Pasteur de Lille, Université de Lille-2, 51019 Lille, France. Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA; F-CRIN INI-CRCT and Inserm U942, Hôpital Lariboisière, 75010 Paris, France. Groupement Hospitalier Saint-Louis Lariboisière, AP-HP, Université de Paris, 75475 Paris, France. Department of Nephrological Intensive Care, University Jean-Monnet, Hôpital Nord, 42000 Saint-Étienne, France. Department of Geriatrics, Nanterre Hospital, 92000 Nanterre, France. Cardiology Department and ACTION Group, Heart Institute, Pitié-Salpétrière Hospital, 75013 Paris, France. Centre d'Investigations Cliniques Plurithématique 1433, inserm 1116, CHRU de Nancy, Université de Lorraine, F-CRIN INI-CRCT, 54500 Vandoeuvre-lès-Nancy, France. Electronic address: p.rossignol@chru-nancy.fr.