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Published on: March 21, 2013
High blood pressure and syncope: orthostatic hypotension as a link
Martina Rafanelli1, Andrea Ungar
1University of Florence. martina.rafanelli@unifi.it.
Insights
Hypertension management in older adults requires tailored approaches, considering factors like isolated systolic hypertension and orthostatic hypotension. Monitoring frailty and cognitive status is crucial for effective treatment and improved outcomes.
Area of Science:
- Gerontology
- Cardiovascular Medicine
- Clinical Hypertension
Background:
- Hypertension prevalence significantly increases with age, often presenting as isolated systolic hypertension due to reduced vascular compliance.
- Older adults are susceptible to orthostatic hypotension, necessitating specific measurement protocols.
- Frailty status influences the relationship between blood pressure and mortality in the elderly.
Purpose of the Study:
- To outline diagnostic and management strategies for hypertension in older adults.
- To emphasize the importance of comprehensive assessment, including frailty and cognitive status.
- To guide blood pressure targets and treatment considerations in this demographic.
Main Methods:
- Blood pressure measurement in seated, supine, and upright positions to detect orthostatic hypotension.
- Utilizing ambulatory blood pressure monitoring for diagnosing white coat and masked hypertension.
- Employing tools like the Fried Frailty Phenotype to assess physical performance and cognitive status.
Main Results:
- Isolated systolic hypertension is more common in older adults.
- Ambulatory blood pressure monitoring aids in treatment tailoring and identifying diurnal variations.
- Frailty assessment is key to understanding blood pressure's impact on mortality.
Conclusions:
- Hypertension management in the elderly requires individualized strategies, considering age-related physiological changes.
- A systolic blood pressure target of 130-150 mmHg is suggested, with careful risk-benefit assessment for hypotensive medications.
- Monitoring for orthostatic hypotension and its consequences, such as syncope and falls, is essential.
Abstract:
The prevalence of hypertension increases with the age. Diagnostic criteria are the same as for the young, but in older adults isolated systolic hypertension is more frequent, due to loss of vascular compliance. Blood pressure should be measured on both sides in the seated position, moreover in the supine and upright position to detect orthostatic hypotension. Ambulatory blood pressure monitoring is useful to detect white coat hypertension and masked hypertension, to tailor the treatment and search for diurnal and nocturnal blood pressure pattern abnormalities. Given that frailty can affect the relationship between blood pressure and mortality, the clinician should properly evaluate and monitor physical performance and cognitive status, throughout specific tools, as the Fried Frailty Phenotype, aiming at a systolic blood pressure target between 130 and 150 mmHg. Before starting hypotensive drugs, a careful risk and benefits' evaluation should be performed given the high risk of hypertension and hypotension consequences and the frequent coexistence of orthostatic hypotension, which predisposes to syncope and falls.
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