Assessment of IVC filter efficacy in prevention of pulmonary thrombo-embolism by 99mTc-MAA lung perfusion scintigraphy-A case series and review of literature

Follow-up 99mTc-MAA lung perfusion scan in PTE patients, who are on IVC filter, can demonstrate the significant improvement in lung perfusion secondary to prevention of further pulmonary embolism episodes and resolution of pulmonary thrombus by continued anticoagulant therapy.