The current literature suggests that the optimal range of radial artery for maximum performance (maturation and primary patency) of RCAVF is at least 2 mm (level 2, grade a). The cephalic vein diameter of at least 2 mm (non-augmented) can result in best maturation and primary patency outcomes (level 2, grade a) and threshold below 1.5 mm is not advocated (level 2, grade b).

The CEUS with its dynamic nature and longer scanning window demonstrated to be a highly sensitive modality for endoleak detection in comparison to CTA in delayed endoleaks type II.

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