Which of the following injuries is likely to cause a severe vascular damage?a) Closed posterior dislocation of kneeb) Elbow dislocation c) Fracture middle 1/3rd of clavicled) Tibial plateau fracture
Both elbow dislocation (mostly posterior) and knee dislocation (posterior) can cause severe vascular injury.

"A knee dislocation is particularly concerning because of the damage that often occur to the important nerve and
vascular structures around the knee joints. In fact, vascular injuries can be so severe that the leg viability can be
threatened to the point of requiring emergency vascular surgery" .................................. Essentials of arthopaedics.
"Posterior dislocation of elbow may cause brachial artery injury which may result in severe compartment syndrome and VIC" ..................... Basics of orthopaedics
"Arterial and nerve injuries although uncommon, are a risk with dislocation e.g. of knee, elbow and hip..................... Merk Manual.
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