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Isolated Systolic Hypertension in the Elderly
Claudia U. Chae1, Donald M. Lloyd-Jones
1Cardiology Division, Massachusetts General Hospital, 55 Fruit Street, CLN 064, Boston, MA 02114, USA. dlloydjones@partners.org
Insights
Isolated systolic hypertension (ISH) in older adults is common and linked to serious health risks. Effective treatment, including lifestyle changes and specific medications, significantly reduces cardiovascular events and mortality.
Area of Science:
- Cardiology
- Geriatrics
- Internal Medicine
Background:
- Isolated systolic hypertension (ISH) is the most common hypertension type in individuals over 50.
- Systolic blood pressure (SBP) is a stronger predictor of cardiovascular risk and mortality than diastolic blood pressure (DBP).
- Current clinical practice is less aggressive and successful in controlling SBP compared to DBP.
Purpose of the Study:
- To emphasize the importance of SBP as the primary criterion for diagnosing, staging, and managing hypertension in older adults.
- To review evidence supporting the benefits of treating ISH in the elderly.
- To discuss the role of lifestyle modifications and specific antihypertensive agents in managing ISH.
Main Methods:
- Review of recent large, randomized, placebo-controlled trials on ISH drug therapy in the elderly.
- Analysis of the impact of lifestyle modifications (salt restriction, physical activity) on arterial compliance and ISH control.
- Evaluation of antihypertensive drug classes for their efficacy in reducing SBP.
Main Results:
- Numerous trials demonstrate significant reductions in cardiovascular events and mortality with ISH drug therapy.
- Lifestyle modifications show potential for improving arterial compliance and managing ISH.
- Most antihypertensive agents effectively lower SBP, with ACE inhibitors and nitrates offering particular advantages for ISH.
Conclusions:
- SBP should be the primary focus for hypertension diagnosis, staging, and treatment in older individuals.
- Treatment of ISH, incorporating lifestyle changes and appropriate pharmacotherapy, is crucial for reducing cardiovascular morbidity and mortality.
- Specific drug classes may offer superior benefits for managing ISH in the elderly.
Abstract:
Isolated systolic hypertension (ISH) is the predominant form of hypertension in persons older than 50 years, who represent the majority of individuals with hypertension. Systolic blood pressure (SBP) determines Joint National Committee blood pressure stage, and therefore the need for therapy, far more often than diastolic blood pressure (DBP). SBP consistently is associated with greater risk for overall mortality, coronary heart disease, stroke, congestive heart failure, renal failure, and other end points. In addition, clinicians are far less aggressive and less successful at controlling SBP compared with DBP. Thus, SBP should be acknowledged as the major criterion that determines diagnosis, staging, and therapeutic management in older individuals. Several recent large, randomized, placebo-controlled trials of drug therapy targeting ISH in the elderly have shown dramatic reductions in cardiovascular end points and mortality. The treatment of patients with ISH must occur within the framework of the larger goals associated with treatment of hypertension generally. Lifestyle modification, including salt restriction and increasing physical activity, may contribute to improvements in arterial compliance and control of ISH in particular. In clinical trials, most antihypertensive agents decrease SBP more than DBP. However, certain drug classes, such as angiotensin-converting enzyme inhibitors and nitrates, have advantageous properties that may make them particularly useful for the treatment of ISH.
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