AAST peripheral vascular injury scale

Grade*	Description of injury
I	Digital artery/vein
	Palmar artery/vein
	Deep palmar artery/vein
	Dorsalla pedia artery
	Plantar artery/vein
	Non-named arterial/venous branches
II	Basilic/cephalic vein
	Saphenous vein
	Radial artery
	Ulnar artery
III	Axillary vein
	Superficial/deep femoral vein
	Popliteal vein
	Brachial artery
	Anterior tibial artery
	Posterior tibial artery
	Peroneal artery
	Tibioperoneal trunk
IV	Superficial/deep femoral artery
IV	Popliteal artery
V	Axillary artery
V	Common femoral artery

This scale provides some utility in differentiating the degree of vascular injury. In isolation, grade III arterial injuries do not put a limb at risk of loss; however, grade IV/V injuries do.

AAST: American Association for the Surgery of Trauma.

* Increase one grade for multiple grade III or IV injuries involving >50% vessel circumference. Decrease one grade for <25% vessel circumference disruption for grades IV or V.

Reproduced with permission from: Moore EE, Malangoni MA, Cogbill TH, et al. Organ injury scaling VII: cervical vascular, peripheral vascular, adrenal, penis, testis, and scrotum. J Trauma 1996; 41:523. Copyright © 1996 Lippincott Williams & Wilkins. Available at: https://www.aast.org/resources-detail/injury-scoring-scale#peripheral (Accessed on December 10, 2019).

Graphic 134236 Version 2.0

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AAST peripheral vascular injury scale