What is it about?

To propose a specific angiographic classification concerning the foot arterial atherosclerotic occlusive disease encountered in chronic limb-threatening ischemia..

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Why is it important?

This new anatomical classification reveals a direct correlation between the degree of atherosclerotic occlusive disease in the pedal arteries and limb salvage rates in patients treated by endovascular techniques.


This morphologic scale represents but an initiatory part of the whole understanding of CLTI aggression in ischemic feet. Further functional stratifications based on hemodynamic measurements of pedal circulation may complete this anatomical work.

MD, PhD, Vlad Adrian Alexandrescu
Consultant, University Hospital CHU Liège

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This page is a summary of: Grades of Below-the-Ankle Arterial Occlusive Disease following the Angiosome Perfusion: A New Morphological Assessment and Correlations with the Inframalleolar GVG Stratification in CLTI Patients, Annals of Vascular Surgery, November 2021, Elsevier,
DOI: 10.1016/j.avsg.2021.09.031.
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