USMLE Forum Archives - USMLE Step 3 - Anterior cerebral artery
Anterior cerebral artery
zkadhem - 05-09-09 13:03 Bookmark and Share

Anterior cerebral artery: supplies most medial portions of frontal lobes and superior medial parietal lobes. The 2 anterior cerebral arteries arise from the internal carotid artery and are part of the Circle of Willis.

Anterior Cerebral artery occlusion:
1- Paralysis of the contralateral foot and leg
2- Sensory loss in the contralateral foot and leg
3- Left sided strokes(dominant lobe) may develop transcortical motor aphasia
4- Gait apraxia
5- Urinary incontinence which usually occurs with bilateral damage in the acute phase
6- dis-inhibition and speech perseveration.
7- producing primitive reflexes (eg, grasping, sucking reflexes)
8- Altered mental status, & impaired judgment

NOTE:If stroke occurs prior to the anterior communicating artery it is usually well tolerated secondary to collateral circulation

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Re: Anterior cerebral artery
harry206 - 05-09-09 13:06

Important info
Point 7 is of special note (due to association with frontal lobe)
Thnx

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