Related Experiment Video
Updated: Jul 2, 2026
07:30
Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
Published on: April 23, 2021
Risk factors for cerebral microbleeds in the elderly
Adriaan C G M van Es1, Jeroen van der Grond, Anton J M de Craen
1Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands. A.C.G.M.van_Es@LUMC.nl
Cerebrovascular Diseases (Basel, Switzerland)
|August 30, 2008
Summary
Age, hypertension, and white matter hyperintensities (WMH) are key risk factors for cerebral microbleeds in elderly individuals with vascular disease. These factors are particularly linked to microbleeds in the basal ganglia and corticosubcortical regions.
Area of Science:
- Neurology
- Vascular Medicine
- Radiology
Background:
- Cerebral microbleeds are increasingly recognized in aging populations, particularly those with vascular disease.
- Understanding risk factors for microbleeds is crucial for predicting neurological outcomes.
- The relationship between microbleeds, white matter hyperintensities (WMH), and atrophy requires further investigation in elderly cohorts.
Purpose of the Study:
- To identify cardiovascular risk factors associated with cerebral microbleeds.
- To explore the link between microbleeds and the volume of age-related white matter hyperintensities (WMH) and atrophy.
- To analyze microbleed prevalence and risk factors in an elderly population with vascular disease.
Main Methods:
- A cohort of 439 elderly subjects (mean age 77) with existing or high-risk vascular disease was studied.
- The number and location of cerebral microbleeds were recorded for each participant.
- Magnetic resonance imaging was used to assess WMH volume and other potential risk factors.
Main Results:
- The prevalence of microbleeds was 24% in the study population.
- Age and a history of hypertension were identified as significant risk factors for microbleeds.
- Increased total, subcortical, and periventricular WMH volume were associated with the presence of microbleeds, particularly in the basal ganglia and corticosubcortical regions.
Conclusions:
- Cerebral microbleeds are highly prevalent in elderly individuals with vascular disease or at high risk.
- Age, hypertension, and WMH volume are critical risk factors for microbleeds, especially in specific brain locations.
- These findings highlight the importance of managing hypertension and WMH for preventing microbleeds in at-risk elderly populations.
Related Concept Videos
01:17Hemorrhagic Stroke l: Introduction
A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
01:29Alzheimer Disease l: Introduction
Alzheimer disease is a chronic, progressive, and irreversible neurodegenerative disorder and the most common cause of dementia in older adults. It leads to gradual neuronal loss, causing cognitive decline, behavioral changes, and loss of functional independence.Risk Factors and EtiologyThe disease is multifactorial. Age is the strongest risk factor, with prevalence doubling every 5 years after age 65. Genetic factors include mutations in genes such as APP, PSEN1, and PSEN2, which are associated...
01:29Hemorrhagic Stroke ll: Pathophysiology
A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
01:22Cerebral Edema ll: Pathophysiology
Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...
01:15Drug Dosing: Geriatric Patients
Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
01:22Dementia l: Introduction
Dementia is an acquired, progressive syndrome characterized by a decline in multiple cognitive domains severe enough to impair daily functioning and reduce independence. Although memory loss is a central feature, the diagnosis requires additional deficits involving language, executive function, visuospatial skills, judgment, calculation, or abstract reasoning. These cognitive impairments reflect underlying neurodegenerative or vascular processes that gradually disrupt neuronal networks...