1. Gheorghiade M, Zannad F, Sopko G et al (2005) International working group on acute heart failure syndromes. International working group on acute heart failure syndromes. Acute heart failure syndromes: current state and framework for future research. Circulation 112:3958–3968
2. Kozak LJ, Owings MF, Hall MJ (2005) National Hospital Discharge Survey: (2002) annual summary with detailed diagnosis and procedure data. Vital Health Stat 13:1–199
3. Thom T, Haase N, Rosamond W, Howard VJ, Rumsfeld J, Manolio T, Zheng ZJ, Flegal K, O’Donnell C, Kittner S, Lloyd-Jones D, Goff DC, Hong Y, Adams R, Friday G, Furie K, Gorelick P, Kissela B, Marler J, Meigs J, Roger V, Sidney S, Sorlie P, Steinberger J, Wasserthiel-Smoller S, Wilson M, Wolf P (2006) Heart Disease and Stroke Statistics-2006 Update. A report from the American Heart Association Statistics Committee and Stroke Statistics Subcommittee. Available at: January 17, 6 A.D
4. Fonarow GC (2003) The Acute Decompensated Heart Failure National Registry (ADHERE): opportunities to improve care of patients hospitalized with acute decompensated heart failure. Rev Cardiovasc Med 4:S21–S30
5. Adams KF Jr, Fonarow GC, Emerman CL et al (2005) ADHERE Scientific Advisory Committee and Investigators. Characteristics and outcomes of patients hospitalized for heart failure in the United States: rationale, design, and preliminary observations from the first 100,000 cases in the Acute Decompensated Heart Failure National Registry(ADHERE). Am Heart J 149:209–216