Related Experiment Video
Updated: Mar 30, 2026

Signal Acquisition, Score Interpretation, and Economics of a Non-Invasive Point-of-Care Test for Coronary Artery Disease
Published on: August 9, 2024
[Economic evaluation studies in diagnostic imaging: justification and critical reading]
1Departamento de Medicina Preventiva y Salud Pública, Universidad del País Vasco, Leioa, Bizkaia, España.
This article explains economic evaluation tools in healthcare and societal willingness to pay for life extension. It provides criteria for analyzing health intervention economic studies, using aortic aneurysm screening as an example.
Area of Science:
- Health economics
- Medical decision-making
- Public health policy
Background:
- Economic evaluation is crucial for healthcare resource allocation.
- Societal values influence decisions on healthcare spending for life extension.
- Critical appraisal of economic studies ensures reliable evidence.
Purpose of the Study:
- To outline key concepts and tools for healthcare economic evaluation.
- To discuss factors influencing societal willingness to pay for increased life expectancy.
- To present criteria for critically analyzing economic evaluations of health interventions.
Main Methods:
- Review of widely used economic evaluation concepts and tools.
- Discussion of societal decision-making elements for life-extension value.
- Description of critical analysis criteria for economic publications.
- Application of concepts and criteria using ultrasound screening for abdominal aortic aneurysms.
Main Results:
- Established economic evaluation methodologies in healthcare.
- Identified key considerations for valuing life-years gained.
- Provided a framework for critically assessing economic studies.
- Demonstrated practical application through abdominal aortic aneurysm screening case studies.
Conclusions:
- Economic evaluation provides essential tools for healthcare decision-making.
- Societal perspectives are vital when determining the value of health interventions.
- Rigorous critical appraisal ensures the validity of economic evidence in healthcare.
Related Concept Videos
Imaging Studies I: CT and MRI
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Imaging Studies for Cardiovascular System III: X-Ray
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Imaging Studies II: Positron Emission Tomography and Scintigraphy
Fundamental Principles of PET
Radiological Investigation I: X-ray and CT
Radiological Investigation II: MRI and Ventilation Perfusion Scan
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
Imaging Studies II: Ultrasonography

