1999;84:611 2; A9. S9.2.2-9. Vasan RS, Larson MG, Benjamin EJ, et al. Congestive heart fail- ure in subjects with normal versus reduced left ventricular ejection fraction: prevalence and mortality in a population-based cohort. J Am Coll Cardiol. 1999;33:1948 55. S9.2.2-10. Gottdiener JS, McClelland RL, Marshall R, et al. Outcome of con- gestive heart failure in elderly persons: influence of left ventricular systolic function. The Cardiovascular Health Study. Ann Intern Med. 2002;137:631 9. S9.2.2-11. Owan TE, Hodge DO, Herges RM, et al. Trends in prevalence and outcome of heart failure with preserved ejection fraction. N Engl J Med. 2006;355:251 9. S9.2.2-12. Lee DS, Gona P, Vasan RS, et al. Relation of disease pathogenesis and risk factors to heart failure with preserved or reduced ejection fraction: insights from the Framingham Heart Study of the National Heart, Lung, and Blood Institute. Circulation. 2009;119:3070 7. S9.2.2-13. Bhuiyan T, Maurer MS. Heart failure with preserved ejection frac- tion: persistent diagnosis, therapeutic enigma. Curr Cardiovasc Risk Rep. 2011;5:440 9. S9.2.2-14. Kato S, Onishi K, Yamanaka T, et al. Exaggerated hyperten- sive response to exercise in patients with diastolic heart failure. Hypertens Res. 2008;31:679 84. S9.2.2-15. St Gyalai-Korpos I, Tomescu M, Pogorevici A. Hypertensive acute pulmonary oedema as expression of diastolic heart failure. Rom J Intern Med. 2008;46:153 7. S9.2.2-16. Aronow WS, Fleg JL, Pepine CJ, et al. ACCF/AHA 2011 expert consensus document on hypertension in the elderly: a report of the American College of Cardiology Foundation Task Force on Clinical Expert Consensus Documents. Developed in collaboration with the American Academy of Neurology, American Geriatrics Society, American Society for Preventive Cardiology, American Society of Hypertension, American Society of Nephrology, Association of Black Cardiologists, and European Society of Hypertension. Circulation. 2011;123:2434 506. S9.2.2-17. Kostis JB, Davis BR, Cutler J, et al. 