Porcine Liver Motion and HIFU Fusion Modeling for Ablation Prediction

Porcine liver motion measurements and fusion modeling results from a 2020 study by William Apoutou N'Djin quantify the impact of in vivo organ displacement on HIFU therapies. The data includes respiratory motion magnitudes exceeding 13mm and cardiovascular activity frequencies of 0.96Hz captured via ultrasound speckle tracking.

Use Cases

• Modeling the impact of 13mm cranial-caudal respiratory shifts on HIFU lesion 'cigar-shape' morphology
• Evaluating speckle tracking accuracy against 0.96Hz cardiovascular motion frequencies
• Comparing ablation volumes between 5-second spherical and 40-second toroidal HIFU exposures

Strengths

• Captures dual-source motion including respiratory (0.20Hz) and cardiovascular (0.96Hz) frequencies
• Includes Dice Similarity Coefficient (DSC) metrics for lesion prediction accuracy
• Based on in vivo porcine model validation rather than purely synthetic data

Limitations

• Restricted to porcine physiology which may differ from human liver elasticity and anatomy
• Small experimental sample size typical of specialized surgical modeling studies
• Limited to intraoperative surgical conditions which may not generalize to non-invasive treatments

Provenance

Source

Dryad, William Apoutou N'Djin

Collection Method

Ultrasound speckle tracking and numerical fusion modeling in a porcine model

Freshness

Last updated 2020-06-30; static research dataset.