Evaluating cost-effectiveness of diagnostic equipment: the brain scanner case

Area of Science:

• Radiology
• Health Economics
• Medical Technology Assessment

Background:

• The introduction of advanced diagnostic imaging technologies necessitates new evaluation frameworks.
• Computerised axial tomography (CAT) scanning represents a significant technological advancement in neuroradiology.

Purpose of the Study:

• To devise an approach for evaluating the cost-effectiveness of high-technology diagnostic equipment.
• To model this approach using the introduction of CAT scanning.

Main Methods:

• Cost-effectiveness analysis framework development.
• Case study utilizing the introduction and impact of CAT scanning on diagnostic pathways.
• Analysis of service patterns and demand for neuroradiological investigations.

Main Results:

• CAT scanning reduces the role of conventional methods like angiography and air encephalography for intracranial disease.
• Centralization of conventional neuroradiological services can yield significant cost savings.
• High demand and clinical efficiency of CAT scanners, especially for head-injured patients, highlight the need for improved access.

Conclusions:

• The optimal use of diagnostic equipment requires adapting service delivery models.
• Patient interests necessitate changes in service patterns to accommodate new technologies like CAT scanning.
• A shift towards improved access to advanced diagnostic tools is crucial for effective patient care.