Graziani et al classified the severity of atherosclerosis in a lower extremity based on changes seen on angiography.
Patient selection: diabetic with foot ulcer
Arteries:
(1) femoral
(2) popliteal
(3) anterior tibial
(4) posterior tibial
(5) peroneal
Options for each artery - one of the following:
(1) patent without obstruction
(2) number of occlusions
(3) occluded
|
Findings on Angiography
|
Class
|
|
single obstruction in the anterior tibial, right tibial, or peroneal
|
1
|
|
single obstruction in femoral or popliteal artery
|
2a
|
|
2 below the knee arteries (tibial, peroneal) obstructed with one tibial patent
|
2a
|
|
2 below the knee arteries (tibial, peroneal) obstructed with peroneal patent
|
2b
|
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1 artery occluded AND multiple obstructions in any of the remaining arteries
|
3
|
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2 arteries occluded AND multiple obstructions in any of the remaining arteries
|
4
|
|
all 3 below the knee arteries occluded
|
5
|
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3 arteries occluded and multiple obstructions in any of the remaining arteries
|
6
|
|
all 3 below the knee arteries occluded with multiple occlusions in femoral and/or popliteal arteries
|
7
|
