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What exactly do they mean by 'proximal' and 'distal' control?


not actually a dog
Moderator Emeritus
7+ Year Member
Mar 22, 2012
  1. Resident [Any Field]
Proximal = closer to the heart
Distal = further away from the heart

so if you have an MCA bifurcation aneurysm, a temporary clip on the M1 would be proximal control and a temp clip on the M2 branch(es) would be distal control
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