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Coronary heart disease. Stable and unstable syndromes
1Division of Cardiology, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
Insights
Managing cardiovascular disease (CHD) in older adults requires personalized approaches due to aging
Area of Science:
- Gerontology
- Cardiology
- Health Policy
Background:
- Cardiovascular disease (CHD) poses significant challenges in the elderly due to rising costs and treatment uncertainties.
- Existing diagnostic and therapeutic interventions for CHD are often expensive and carry risks.
- Philosophical considerations of aging and death are crucial for resource allocation in elderly cardiovascular care.
Purpose of the Study:
- To address the complexities of managing cardiovascular disease in the elderly population.
- To highlight the limitations of traditional research methods like randomized controlled trials in this demographic.
- To advocate for alternative data collection methods and a shift in decision-making paradigms for elderly cardiovascular care.
Main Methods:
- Critique of the applicability of randomized controlled trials (RCTs) in heterogeneous elderly populations.
- Emphasis on the utility of prospectively collected registry data (databases) for capturing key variables.
- Focus on characterizing complications, adverse drug reactions, and functional status through registry studies.
Main Results:
- Standard algorithms and clinical rules from younger cohorts are not directly transferable to elderly cardiovascular patients.
- Treatments proven to reduce mortality in the elderly are currently underutilized.
- The heterogeneity of aging necessitates considering physiologic reserve and biologic age over chronological age.
Conclusions:
- Registries are a more effective approach than RCTs for managing cardiovascular disease in the elderly.
- Biologic age, a multifactorial assessment, is essential for precise outcome prediction and informed decision-making.
- Preventive measures and lifestyle modifications are vital for postponing or ameliorating cardiovascular disease consequences in aging individuals.
Abstract:
CHD in the elderly population will continue to be a source of major concern because of the increasing costs entailed and uncertainties about how the widespread array of diagnostic and therapeutic interventions, often expensive and sometimes hazardous, should be applied. Financial, political, and health policy decisions will continue to occupy much attention, but it is likely that philosophic considerations about aging and death, both from the individual and the societal perspective, will be of paramount importance of deciding how the substantial resources available to the elderly will be used. Randomized, controlled trials are unlikely to play a major role in resolution of management dilemmas in the elderly because of the extraordinary heterogeneity in this population. Registries (databases) involving carefully prospectively collected key variables are likely to be a more effective approach. Critical characterization of complications of procedures, adverse drug reactions, and collection of follow-up data on functional status are among the critical questions, and these can be answered by registry studies. Algorithms and clinical rules developed in younger cohorts are not directly transferable to the elderly cardiovascular patients, further emphasizing the need for prospectively collected, syndrome-specific data. Treatments convincingly demonstrated to reduce mortality in absolute terms more in the elderly than in the young are underused. The heterogeneity of aging emphasizes the wide variability in patients' ability to withstand the stress of procedures and complications of disease and makes clear the need to consider physiologic reserve and biologic age rather than chronology. With better characterization of biologic age and physiologic reserve, more precise estimates of outcomes of therapies and interventions can be made, and patients can be given better information and with their families have more realistic expectations. Better-informed decisions will result. Biologic age will be multifactorial, involving cognitive, emotional, physical, and nutritional attributes as well as specific organ function (lung, kidney, liver) because no single feature can characterize the total elderly patient. The concept of competing risks among the cardiovascular disease being treated, comorbidity, risks of study, and life expectancy will evolve because even the most successful therapy will have limited effect on longevity in the very old. Although important research at the cellular and molecular level will characterize and provide better understanding of the aging process, it is not likely that this basic information will be immediately useful in the management of the large number of elderly patients with major cardiovascular disease. Preventive measures, including physical exercise, mental stimulation, avoidance of depression, good nutrition, and abstinence from tobacco use, are useful approaches to postpone or ameliorate the consequences of aging and allow patients to tolerate cardiovascular diseases better when they become manifest.