Liver reserve function assessment by acoustic radiation force impulse imaging

Liver cirrhosis noninvasive assessment with Acoustic Radiation Force Impulse Imaging.

 Usefulness of acoustic radiation force impulse and fibrotest in liver fibrosis assessment after liver transplant.

UNLABELLED  Background and rationale. Acoustic radiation force impulse (ARFI) is a non-invasive tool used in the evaluation of liver fibrosis in HCV positive immune-competent patients. This study aimed to assess the accuracy of ARFI in discriminating liver transplanted patients with different graft fibrosis severity and to verify whether ARFI, eventually combined with non-invasive biochemical t...

Acoustic Radiation Force Impulse Imaging of Myocardial Performance

(Biomedical Engineering) Acoustic Radiation Force Impulse Imaging of Myocardial Performance

Magnetic resonance acoustic radiation force (impulse) imaging (MR-ARFI)

Background/introduction MR-ARFI adds to the rich toolbox of MR imaging methods for guiding focused ultrasound. MRI has exquisite soft tissue contrast for targeting focused ultrasound and a variety of contrast mechanisms for assessing the effect of focused ultrasound. In addition, MR can provide temperature mapping in near-realtime. MR-ARFI is an imaging method that compliments these other capab...

Acoustic Radiation Force Impulse Imaging for Differentiation of Thyroid Nodules

BACKGROUND Acoustic Radiation Force Impulse (ARFI)-Imaging is an ultrasound-based elastography method enabling quantitative measurement of tissue stiffness. The aim of the present study was to evaluate sensitivity and specificity of ARFI-imaging for differentiation of thyroid nodules and to compare it to the well evaluated qualitative real-time elastography (RTE). METHODS ARFI-imaging involve...