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Thrombectomy of the Profunda Femoral Vein in Iliofemoral Deep Venous Thrombosis Using an Antegrade Popliteal Approach.
Cardiovascular and Interventional Radiology 2024 Februrary 27
PURPOSE: Residual or undertreated inflow disease is a major cause of stent occlusion following endovascular thrombectomy for iliofemoral deep venous thrombosis (DVT). The profunda femoral vein (PFV) is an important inflow vessel alongside the femoral vein but is traditionally challenging to treat via an antegrade popliteal approach. This technical note describes a novel approach for PFV clearance in iliofemoral thrombectomy via the popliteal vein.
MATERIALS AND METHODS: Eight patients underwent PFV clearance as part of iliofemoral DVT thrombectomy via an antegrade popliteal approach. In seven patients, a popliteal-profunda communicating vessel was identified permitting PFV access and thrombectomy. In one patient, a popliteal-profunda communicator was not identified and an 'up and over' approach via the femoral bifurcation from the same popliteal access was utilised. Thrombectomy was performed using the Inari ClotTriever device or Penumbra's Indigo system.
RESULTS: Technical success in PFV thrombectomy was 100%. Six patients (75%) underwent stenting for an iliac stenotic lesion or May Thurner compression point. At the four-week ultrasound follow-up, the pelvic iliofemoral segment was patent in 7 patients (87.5%). The PFV was patent in 7 patients (87.5%) whereas the FV was only patent in 4 patients (50%). One patient underwent reintervention for iliofemoral stent occlusion. No PFV injury occurred and no post-procedure profunda reflux was identified.
CONCLUSION: PFV clearance can be achieved via an antegrade popliteal approach in iliofemoral thrombectomy to optimise inflow, negating the need for alternative or additional venous access. PFV may maintain upstream iliofemoral vein patency even with an occluded femoral vein.
LEVEL OF EVIDENCE: Level 4, Case Series.
MATERIALS AND METHODS: Eight patients underwent PFV clearance as part of iliofemoral DVT thrombectomy via an antegrade popliteal approach. In seven patients, a popliteal-profunda communicating vessel was identified permitting PFV access and thrombectomy. In one patient, a popliteal-profunda communicator was not identified and an 'up and over' approach via the femoral bifurcation from the same popliteal access was utilised. Thrombectomy was performed using the Inari ClotTriever device or Penumbra's Indigo system.
RESULTS: Technical success in PFV thrombectomy was 100%. Six patients (75%) underwent stenting for an iliac stenotic lesion or May Thurner compression point. At the four-week ultrasound follow-up, the pelvic iliofemoral segment was patent in 7 patients (87.5%). The PFV was patent in 7 patients (87.5%) whereas the FV was only patent in 4 patients (50%). One patient underwent reintervention for iliofemoral stent occlusion. No PFV injury occurred and no post-procedure profunda reflux was identified.
CONCLUSION: PFV clearance can be achieved via an antegrade popliteal approach in iliofemoral thrombectomy to optimise inflow, negating the need for alternative or additional venous access. PFV may maintain upstream iliofemoral vein patency even with an occluded femoral vein.
LEVEL OF EVIDENCE: Level 4, Case Series.
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