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Hypertension in the elderly
Insights
Classical hypertension is a significant cardiovascular risk factor in older adults and effectively managed with medication. Treatment benefits outweigh risks, but pure systolic hypertension in the elderly requires more research.
Area of Science:
- Gerontology
- Cardiology
- Pharmacology
Background:
- Classical hypertension (diastolic blood pressure ≥ 95 mm Hg) is prevalent and a major cardiovascular risk factor in adults over 65.
- Pure systolic hypertension (systolic blood pressure > 160 mm Hg, diastolic < 95 mm Hg) is common in the elderly and linked to cardiovascular issues, possibly due to arterial sclerosis.
Purpose of the Study:
- To evaluate the significance of classical and pure systolic hypertension in older adults.
- To assess the efficacy and risks of antihypertensive therapy in elderly patients.
Main Methods:
- Analysis of available data on hypertension prevalence and cardiovascular risk in the elderly.
- Review of Veterans Administration studies on antihypertensive therapy in elderly patients.
Main Results:
- Classical hypertension in the elderly is a significant risk factor, comparable to younger adults.
- Antihypertensive therapy for classical hypertension in the elderly is beneficial, with advantages outweighing risks, especially for diastolic pressures ≥ 105 mm Hg.
- The relationship between pure systolic hypertension and cardiovascular outcomes in the elderly is unclear, potentially a marker of arterial stiffness.
Conclusions:
- Elderly patients with classical hypertension can be effectively treated, reducing cardiovascular morbidity and mortality.
- Careful drug management is crucial to minimize risks like hypotension in elderly patients.
- Further research is needed on the benefits of treating pure systolic hypertension in older adults due to insufficient data.
Abstract:
The available data indicate that classical hypertension, defined here as a diastolic blood pressure greater than or equal to 95 mm Hg, is a widely prevalent and as important a risk factor for the cardiovascular diseases in those aged 65 and over as it is in those under 65. The limited available data also indicate that pure systolic hypertension, defined here as a systolic blood pressure exceeding 160 mm Hg with a diastolic pressure under 95 mm Hg, also very common at age 65 and over, is also related to excess cardiovascular morbidity and mortality in the elderly. However, it is not clear whether this latter relationship is indicative of cause and effect, or merely reflects the fact that in the elderly pure systolic hypertension is a sign of extensive sclerosis of large arteries. The results of Veterans Administration studies on antihypertensive therapy indicate that the elderly patient with classical hypertension is amenable to effective treatment, and that the benefits of such treatment significantly outweigh the risks. Great care is needed in the use of drugs for the management of hypertension in elderly patients, especially to minimize risk of hypotensive episodes and their possible harmful consequences; but with judicious and careful therapy, hypertension of this type can be controlled with reduction in excess risk of morbidity and mortality, at least for those with average diastolic pressures greater than or equal to 105 mm Hg. The lack of data on the benefits of treatment for those with pure systolic hypertension precludes any recommendations in regard to pharmacologic treatment of this condition.