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Heart failure with normal systolic function
1Section of Cardiology, Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157-1045, USA. dkitzman@wfubmc.edu
Insights
Most elderly heart failure patients have diastolic dysfunction, not systolic. Aging causes changes like stiffer ventricles, predisposing older adults to this condition, requiring tailored management strategies.
Area of Science:
- Cardiology
- Geriatrics
- Heart Failure Research
Background:
- Many elderly heart failure patients exhibit preserved left ventricular systolic function, suggesting diastolic dysfunction as the primary issue.
- Normal aging processes, including left ventricular hypertrophy, increased stiffness, and reduced cardiovascular reserve, contribute to diastolic heart failure in older adults.
Purpose of the Study:
- To highlight the prevalence and characteristics of diastolic heart failure in the elderly population.
- To discuss the challenges and potential approaches for managing diastolic heart failure in older individuals.
Main Methods:
- Review of population studies and clinical observations regarding heart failure in the elderly.
- Discussion of diagnostic challenges, including the lack of standardized definitions and reliable quantitative tests for diastolic function.
- Echocardiography as a key tool for differentiating diastolic from systolic heart failure.
Main Results:
- Population studies indicate that diastolic heart failure is more common than systolic heart failure in elderly patients.
- Typical patients are older women with hypertension, left ventricular hypertrophy, and exercise intolerance.
- Echocardiography aids in diagnosis and differential diagnosis.
Conclusions:
- Diastolic heart failure is a significant condition in the elderly, often overlooked.
- Management strategies may include blood pressure control, exercise conditioning, and a multidisciplinary case management approach.
- Further research and standardized diagnostic criteria are needed to advance treatment.
Abstract:
Contrary to popular belief, population studies indicate that most elderly patients with heart failure have preserved left ventricular systolic function (i.e., presumed diastolic heart failure). Several normal aging changes may predispose older individuals to diastolic heart failure, including increased hypertrophy and stiffness of the left ventricle, increased vascular stiffness, and decreased cardiovascular reserve. Progress in diastolic heart failure has been hindered by a lack of standard case definition; absence of a readily available, reliable test to quantitate diastolic function; poor understanding of the pathophysiology of heart failure; and lack of data from randomized, controlled, multicenter trials. Typical patients are older women with chronic hypertension, left ventricular hypertrophy, chronic exercise intolerance, and occasional acute exacerbations (pulmonary edema). Although heart failure is a clinical, bedside diagnosis, echocardiography is helpful in differentiating diastolic from systolic heart failure and in ruling out other disorders. Although optimal pharmacologic therapy has not been clarified, control of blood pressure; exercise conditioning; and a multidisciplinary, case management approach seem beneficial.