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Published on: September 27, 2024
Isolated Systolic Hypertension in Young and Middle-Aged Adults
Yuichiro Yano1, Donald M Lloyd-Jones2
1Department of Preventive Medicine, Northwestern University Clinical and Translational Sciences (NUCATS) Institute, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
Insights
Isolated systolic hypertension (ISH) in adults under 50 is complex, not always spurious. Tailoring treatment based on individual physiology and cardiovascular risk is crucial for effective management.
Area of Science:
- Cardiology
- Hypertension Research
- Vascular Medicine
Background:
- Young and middle-aged adults (≤50 years) face rising rates of stroke, kidney disease, and cardiovascular disease (CVD) mortality.
- Increased prevalence of high blood pressure (BP) is a potential driver of these adverse trends.
- Management of BP, particularly isolated systolic hypertension (ISH), in this demographic remains uncertain.
Purpose of the Study:
- To review the current understanding of ISH in young and middle-aged adults.
- To explore the prevalence, pathophysiology, and treatment strategies for ISH in this population.
- To address the debate on whether ISH in younger adults is pseudo or spurious hypertension.
Main Methods:
- Literature review of current research on ISH in adults aged ≤50 years.
- Analysis of studies examining the heterogeneity of ISH pathophysiology.
- Synthesis of evidence regarding clinical management approaches.
Main Results:
- ISH in young and middle-aged adults is a heterogeneous condition, not a monolithic entity.
- Pathophysiological mechanisms include increased stroke volume, aortic stiffening, or both.
- Current evidence suggests a "one size fits all" approach to ISH management is inadequate.
Conclusions:
- Detailed phenotyping of ISH based on individual pathophysiology and global cardiovascular risk is essential.
- Personalized treatment strategies are needed to assess the net benefit of therapy for ISH.
- Further research is required to refine diagnostic and therapeutic approaches for ISH in younger adults.
Abstract:
Young and middle-aged adults (ages ≤50 years) are increasingly prone to stroke, kidney disease, and worsening cardiovascular disease (CVD) mortality. An alarming increase in the prevalence of high blood pressure (BP) may underlie the adverse trend. However, there is often uncertainty in BP management for young and middle-aged adults. Isolated systolic hypertension (ISH) is one such example. Whether ISH in young and middle-aged adults represents "pseudo" or "spurious" hypertension is still being debated. ISH in young and middle-aged adults is a heterogeneous entity; some individuals appear to have increased stroke volume, whereas others have stiffened aortae, or both. One size does not seem to fit all in the clinical management of ISH in young and middle-aged adults. Rather than treating ISH as a monolithic condition, detailed phenotyping of ISH based on (patho)physiology and in the context of individual global cardiovascular risks would seem to be most useful to assess an individual expected net benefit from therapy. This review provides an overview of the current understanding of ISH in young and middle-aged adults, including the prevalence, pathophysiology, and treatment.
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Hypertension II: Pathophysiology
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Special considerations while measuring blood pressure
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Hypertension IV: Drug Therapy and Lifestyle Modifications

