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Sports Medicine
intermediate
X-Type

Popliteal Artery Injury in Knee Dislocation

Multiligament Knee Injury

A 28-year-old man is brought to the emergency department after a motorcycle accident. He has a grossly deformed knee with obvious dislocation that was reduced at the scene. On examination, the limb is pale and cool with absent dorsalis pedis and posterior tibial pulses. Ankle-brachial index is 0.6. He has no sensation in the foot. Time since injury is 2 hours. Regarding popliteal artery injury in knee dislocation:

Mark each as TRUE or FALSE

A

Knee dislocation is associated with popliteal artery injury in approximately 20-40% of cases; the ar...

B

Immediate assessment includes pulse examination, Ankle-Brachial Index (ABI), and evaluation for hard...

C

Popliteal artery injury occurs in less than 5% of knee dislocations; the artery is mobile and rarely...

D

The critical ischemia time is 6-8 hours - limb salvage rates drop dramatically after this window; wa...

E

Surgical management: arterial repair (interposition vein graft preferred over synthetic) with simult...

Answer the questions to see explanations

Click T (True) or F (False) for each option