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Related Concept Videos

Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

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Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
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Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

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Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
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Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies
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Biomarkers.

Perla Mansour1, Pauline Maillard1, Kumar B Rajan2

  • 1University of California, Davis, Davis, CA, USA.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 25, 2025
PubMed
Summary
This summary is machine-generated.

This study found significant racial and ethnic differences in vascular risk factors and brain imaging. Hypertension is linked to increased white matter hyperintensities (WMH) and hippocampal volume.

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Area of Science:

  • Neurology
  • Vascular Disease Research
  • Neuroimaging

Background:

  • The DVCID study investigates the link between vascular disease, risk factors, and cognitive impairment.
  • It is a prospective, observational, multicenter, and multiethnic study.

Purpose of the Study:

  • To analyze baseline data from the DVCID study.
  • To identify associations between vascular risk factors, MRI measures, and demographic factors across diverse racial and ethnic groups.

Main Methods:

  • A cohort of 1,062 individuals underwent baseline MRI and vascular risk assessment.
  • Descriptive statistics and linear regression analyses were performed on MRI variables and vascular risk factors.
  • Analyses were adjusted for head size, and white matter hyperintensities (WMH) were log-transformed.

Main Results:

  • Significant racial and ethnic disparities were observed in vascular risk factors, diagnoses, and MRI measures.
  • Hypertension was associated with increased WMH and hippocampal volume.
  • Diabetes was linked to decreased total brain tissue volume, while duration of diabetes and arterial disease correlated with increased WMH volume.

Conclusions:

  • Preliminary DVCID data reveal significant racial/ethnic differences in vascular health and brain structure.
  • Hypertension shows a significant association with WMH.
  • Further research is needed to explore these factors' impact on cognitive decline within this diverse cohort.