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General Surgery · Vascular surgery: IVC filter indication
Sample itemA 58-year-old man with acute proximal deep vein thrombosis and pulmonary embolism then develops a major intracranial haemorrhage, making anticoagulation unsafe. What is the appropriate step?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Retrievable inferior vena cava filter
An inferior vena cava filter is indicated for acute proximal venous thromboembolism when anticoagulation is absolutely contraindicated, as in active major bleeding. It traps emboli from the legs, and a retrievable device should be removed once anticoagulation can start. Filters do not treat the thrombosis itself.
Option by option
A. Warfarin with a high target INR
Warfarin is an anticoagulant and would aggravate intracranial bleeding.
B. Thrombolysis with alteplase
Thrombolysis markedly increases bleeding and is contraindicated after a haemorrhagic stroke.
C. Compression stockings alone
Stockings do not prevent embolisation from proximal thrombi.
D. Retrievable inferior vena cava filter (correct)
Correct. The filter gives mechanical protection when drugs cannot be given.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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