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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

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

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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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Related Experiment Video

Updated: Jan 7, 2026

Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies
07:20

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Biomarkers.

Jian Xiang Ding1, Oneil G Bhalala1,2, Kai Sin Chin1,2

  • 1The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia.

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

Recruiting for dementia blood biomarker studies is feasible in clinical settings. Pragmatic designs and minimal exclusions successfully enrolled diverse participants, including older adults and those from culturally diverse backgrounds.

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Area of Science:

  • Neurology
  • Biomarker Research
  • Clinical Trials

Background:

  • Patient recruitment for dementia clinical studies faces challenges, especially in aged and culturally and linguistically diverse (CALD) populations.
  • This study addresses these challenges by establishing a blood biomarker cohort in a public hospital memory clinic.

Purpose of the Study:

  • To describe the establishment and early recruitment experiences of an ongoing blood biomarker cohort study.
  • To assess the feasibility of recruiting a diverse patient population for dementia research.

Main Methods:

  • Recruitment occurred at the Cognitive, Dementia, and Memory Service (CDAMS) clinic, Royal Melbourne Hospital, from October 2023.
  • Broad inclusion criteria, including those needing interpreters or decision-makers, and 12-month telehealth follow-up were used.
  • Blood samples were collected for analysis of plasma neurofilament light chain and phospho-tau-217.

Main Results:

  • 73 out of 200 participants recruited, with a 90% consent rate.
  • The cohort has a mean age of 78 years, with 63% females.
  • 21% of participants are from CALD backgrounds.

Conclusions:

  • Dementia blood biomarker studies are feasible in clinical settings using pragmatic designs.
  • Minimizing exclusion criteria and visit burden facilitates recruitment of diverse, clinically relevant populations.