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Updated: Jan 31, 2026

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
Published on: March 15, 2022
[Diagnostics in general practice: prognosis has to be the guiding principle]
Ramon P G Ottenheijm1,2, Geert-Jan Dinant1
1Universiteit Maastricht, CAPHRI Care and Public Health Research Institute, vakgroep Huisartsgeneeskunde.
Diagnostic tests, like MRI, are not always cost-effective and may increase healthcare costs. Point-of-care tests, such as CRP, can be more beneficial, reducing antibiotic prescriptions and proving cost-effective.
Area of Science:
- Health economics
- Diagnostic test evaluation
- General practice
Background:
- Diagnostic tests should be utilized when they impact treatment and prognosis.
- Cost-effectiveness is a crucial factor in diagnostic test implementation.
- Current practices may not always align with these principles.
Purpose of the Study:
- To evaluate the cost-effectiveness of Magnetic Resonance Imaging (MRI) in trauma patients.
- To assess the impact of point-of-care C-reactive protein (CRP) testing on antibiotic prescriptions in general practice.
- To advocate for improved integration of diagnostic test evaluation in medical training.
Main Methods:
- A randomized clinical trial involving 356 patients comparing MRI within two weeks of trauma to standard care.
- Analysis of Quality-Adjusted Life Years (QALYs), referrals, and treatment costs.
- Evaluation of point-of-care CRP testing in general practice for acute cough.
Main Results:
- No significant difference in QALYs was observed between the MRI and standard care groups.
- MRI did not decrease referrals and increased treatment costs.
- Point-of-care CRP testing decreased antibiotic prescriptions and was cost-effective.
Conclusions:
- The use of diagnostic tests, including MRI, should be carefully considered for cost-effectiveness and impact on treatment.
- Point-of-care tests like CRP can be valuable tools in primary care.
- Increased expertise in diagnostics and integration into medical curricula are recommended.
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