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Related Concept Videos

Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

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Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
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Hypertension V: Nursing Management01:23

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The nursing management of hypertension involves accurately assessing symptoms, making a comprehensive nursing diagnosis, collaborating with patients to set goals, and implementing targeted interventions to mitigate the condition's impact and improve patient well-being.Comprehensive AssessmentThe initial step in nursing care for hypertension involves a thorough patient assessment. It includes evaluating symptoms such as headaches, dizziness, blurred vision, and previous hypertension episodes.
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Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
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Alterations in Blood Pressure01:30

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Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
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Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
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Hypertension I: Introduction01:28

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Hypertension is a widespread, long-term medical condition where blood pressure in the arteries remains elevated. It is characterized by systolic blood pressure readings of 130 mm Hg or above or diastolic blood pressure (DBP) readings of 80 mm Hg or higher. Unmanaged hypertension poses significant health risks, making the distinction between primary (or essential) hypertension and secondary hypertension crucial, as their management and implications vary.Primary HypertensionPrimary hypertension,...
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Author Spotlight: Exploring Huotan Jiedu Tongluo Decoction as an Antihypertensive Drug
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Hypertension, hypotension, longevity and dementia.

Enrico Mossello1

  • 1Department of Experimental and Clinical Medicine, University of Florence, and Division of Geriatric Medicine and Intensive Care Unit, Azienda Ospedaliero-Universitaria Careggi, Florence. enrico.mossello@unifi.it.

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PubMed
Summary

Midlife high blood pressure increases dementia risk. Aggressive antihypertensive treatment may benefit robust older adults but could harm those with cognitive impairment.

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Area of Science:

  • Neurology
  • Cardiology
  • Geriatrics

Background:

  • Midlife hypertension is a known dementia risk factor.
  • Dementia onset often correlates with declining blood pressure.
  • Previous studies on antihypertensive treatment for dementia risk showed borderline effects.

Purpose of the Study:

  • To assess the cognitive effects of aggressive antihypertensive treatment.
  • To evaluate the impact of SPRINT-MIND and HOPE-3 trials on cognition.
  • To explore the relationship between blood pressure, cognitive function, and mortality in older adults.

Main Methods:

  • Analysis of SPRINT-MIND and HOPE-3 cognitive sub-studies.
  • Comparison of aggressive antihypertensive treatment versus standard care or placebo.
  • Inclusion of subjects with varying vascular risk levels.

Main Results:

  • SPRINT-MIND: No difference in dementia risk, but reduced mild cognitive impairment risk with treatment.
  • HOPE-3: No significant cognitive effect; trend for better outcomes with placebo in some subgroups.
  • Observational data suggest detrimental cognitive effects of low blood pressure in impaired older adults.

Conclusions:

  • Antihypertensive treatment may reduce cognitive impairment risk in robust, high-vascular-risk older adults.
  • Cognitive impairment may alter the prognostic impact of antihypertensive treatment.
  • Aggressive blood pressure lowering might be inadvisable in patients with existing cognitive impairment.