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Placement of an inferior vena cava (IVC) filter to prevent pulmonary embolism (PE) is recommended by multidisciplinary consensus guidelines only when anticoagulation is contraindicated, has resulted in a complication or has failed.1 ,2 Oddly, the only prospective randomised long-term filter efficacy study that demonstrated a reduction in the recurrent PE rate at 8-year follow-up (6.3% vs 15.1%) did so in a setting where both filter …
Competing interests None declared.
Provenance and peer review Commissioned; internally peer reviewed.
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