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Related Concept Videos

Primary Healthcare Services01:30

Primary Healthcare Services

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Primary care promotes wellness and prevents disease. This care includes health promotion, education, protection (such as immunizations), early disease screening, and environmental considerations. Settings providing this type of healthcare include physician offices, public health clinics, school nursing, and community health nursing.
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Levels of Health Promotion and Illness Prevention01:26

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Health promotion allows a person to control the determinants of health, resulting in an improved health status. It enhances the quality of life and reduces premature deaths. Health promotion and illness prevention programs help people make beneficial choices to reduce the risk of disease and disabilities. There are three health promotion and illness prevention levels: primary, secondary, and tertiary prevention.
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Preventive Healthcare Services01:30

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Preventive healthcare services keep people healthy via frequent check-ups, screening, and counseling. They primarily aid in disease prevention rather than treating an acute or chronic illness. Preventive treatment also keeps individuals productive and energetic, allowing them to work well into their retirement years. Examples of preventive care services include:
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Principles of Disease Surveillance01:26

Principles of Disease Surveillance

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Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
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Healthcare Agencies II01:17

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There are various healthcare agencies in the United States—some of which are managed by religious institutions and others by different government branches.
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Methods Of Healthcare Delivery System01:26

Methods Of Healthcare Delivery System

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At the different levels of the healthcare system, we see varying methods of healthcare used. These methods include managed care systems, case management, and primary healthcare.
Managed Care System:
The managed care system is designed to control the cost while maintaining the quality of care. The patient's care from admission to discharge is planned by the primary care provider or the case manager, also known as the gatekeeper. In a managed care system, the number of care providers is...
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Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children
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Public Health.

Yi Sun1

  • 1University of Reading, Reading, Reading, United Kingdom.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 23, 2025
PubMed
Summary
This summary is machine-generated.

Integrating at-home digital cognitive assessments and blood-based biomarker tests can improve dementia diagnosis efficiency. This approach aims to reduce healthcare system costs and patient wait times for timely care.

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Area of Science:

  • Neurology
  • Health Informatics
  • Health Systems Research

Background:

  • Dementia prevalence is rising, increasing demand for disease-modifying therapies (DMTs).
  • Current healthcare systems face capacity and accessibility challenges in diagnosing dementia eligible for DMTs.
  • Primary care needs enhanced tools for efficient patient stratification and referral.

Purpose of the Study:

  • To evaluate the impact of integrated digital cognitive assessments and blood-based biomarker tests on dementia diagnostic pathways.
  • To compare the cost-effectiveness and efficiency of different patient stratification scenarios in primary care.
  • To assess the potential of at-home assessments to improve patient access and reduce healthcare system burden.

Main Methods:

  • A Markov decision-analytic model was used to simulate three patient stratification scenarios.
  • Scenarios included: cognitive/physical assessment only; at-home digital assessment then cognitive/physical assessment; and at-home digital assessment then cognitive/physical assessment plus blood-based biomarker tests.
  • The analysis adopted a healthcare system perspective, comparing resource utilization, costs, and diagnostic outcomes.

Main Results:

  • The study planned to report and compare average annual costs, diagnostic process wait times, and correct case identification rates across scenarios.
  • Results will inform the economic and clinical impact of integrating novel diagnostic tools.
  • The simulation aimed to quantify improvements in diagnostic efficiency and resource allocation.

Conclusions:

  • Combining integrated digital cognitive assessments and blood-based biomarker tests shows potential to ease pressure on general practitioners.
  • This integrated approach may enhance patient access to timely dementia diagnosis and care.
  • Future empirical validation using cohort data is planned to confirm simulation findings.