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Updated: Jul 18, 2026
05:57
Blood Flow Imaging with Ultrafast Doppler
Published on: October 14, 2020
A possible quality control protocol for Doppler ultrasound for organizational time optimization
A M Di Nallo1, L Strigari, M Benassi
1Medical Physics and Expert System Laboratory, "Regina Elena" Cancer Institute, Rome, Italy. dinallo@ifo.it
Journal of Experimental & Clinical Cancer Research : CR
|December 16, 2006
Summary
Implementing a quality control program for Doppler ultrasound probes ensures consistent performance. Regular testing and calibration help identify and correct variations, improving diagnostic accuracy for quantitative measurements.
Area of Science:
- Medical Imaging Physics
- Diagnostic Ultrasound Technology
- Clinical Engineering
Background:
- Quantitative Doppler ultrasound performance characteristics are crucial for clinical applications.
- Variability in measurements between different ultrasound units and probes necessitates standardized testing.
- Ensuring device operational stability over time is essential for reliable diagnostic imaging.
Purpose of the Study:
- To develop an efficient and effective testing program for pulsed and colour Doppler imaging performance.
- To demonstrate changes in imaging performance relevant to clinical quantitative use.
- To introduce quantitative and semi-quantitative parameters for scanner-transducer evaluation based on clinical needs.
Main Methods:
- Development of a comprehensive testing program for scanner-transducer units.
- Introduction of quantitative and semi-quantitative parameters tailored to specific clinical requests.
- Utilizing calibrated phantoms for performance verification and preventive maintenance identification.
Main Results:
- Measurements differed significantly between units and probes, even under identical settings.
- A quality control (QC) program is essential to mitigate variations in peak velocity measurements.
- Modern digital equipment demonstrates stability over time when subjected to a QC protocol.
Conclusions:
- A standardized QC protocol enables the preventive identification of corrective actions for ultrasound units and probes.
- Calibrated phantoms are valuable tools for maintaining and verifying equipment performance.
- Collaboration between manufacturers and independent laboratories applying QC protocols can enhance problem recognition and resolution.
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