“…Inferior vena cava filters (IVCFs) can be useful adjuncts in lower limb trauma where the risk of bleeding and extent of injury contraindicate both pharmacological and mechanical prophylaxis. IVCFs significantly reduce the risk of PE (OR: 0.028, P < 0.001); 6 however, insertion is invasive, they do not prevent DVT and their impact on mortality is debated. IVCFs can have numerous complications including caval wall penetration or thrombosis, and the frequency of complications increases with filter dwell time.…”