ArticleAustralasian journal of ultrasound in medicine2025
Shear Wave Elastography Acquisition Parameters May Bias Shear Wave Velocity Measurements.
Article in Australasian journal of ultrasound in medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: To determine the effects of acquisition parameters on measured shear wave velocity (SWV) in reference phantoms. Methods: SWV were measured on three phantoms of certified SWV 0.794 m/s (Phantom 1), 1.711 m/s (Phantom 2) and 2.500 m/s (Phantom 3). Parameters examined were depth, location, region of interest (ROI) size, transducer type, pitch, frame rate and one-shot mode. Measurements were repeated 10 times for different levels of each parameter at 1.8 MHz and 2.5 MHz transducer frequency on both Canon Aplio i700 and i800 systems. Statistical analyses were performed using linear mixed models with Holm test for multiple comparisons. Results: There was an interaction between acquisition depth and phantom stiffness ( Conclusion: Acquisition parameters can have statistically significant effects on measured SWV and may bias measured SWV due to cumulative effects.
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