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Stentriever thrombectomy with distal protection device for carotid free floating thrombus: a technical case report
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  • Published on:
    Aspiration with distal filter protection: an effective management for carotid floating thrombus
    • Biplab Das, Neurointervention Medanta The Medicity, Gurgaon, India
    • Other Contributors:
      • Gaurav Goel, Neurointervention
      • Anshu Mahajan, Neurointervention
      • Arun Garg, Neurology
      • Harsh Sapra, Neuroanaesthesia

    To the editor,

    Giragani S et al. (published online 25 January 2017) described a remarkable case of recurrent transient ischemic attacks (TIA) due to carotid free floating thrombus. They successfully used stentriever with distal filter protection in retrieving the thrombus.

    Here we share a similar case of TIA with right common carotid artery (CCA) floating thrombus that was effectively managed with distal filter protection and aspiration. A 48-year-male with recurrent ischemic symptoms detected to have right CCA long segment floating thrombus (approximately 4.5 cm) extending upto right proximal external carotid artery.* Under general anaesthesia through right femoral route long sheath guiding catheter (Neuron Max 6F088; Penumbra, Inc. Alameda, USA) was placed in right proximal CCA. After parking the filter device (Spider FX 6mm; eV3, Plymouth, Minnesota, USA) at distal cervical segment, thrombus was aspirated using penumbra system (5MAX ACE, 132 cm; Penumbra, Inc. Alameda, USA).* Final check angiography showed 80 % reduction in clot burden .*

    Placing the filter protection device in the distal cervical segment does not protect thrombus migration to ECA, although it primarily prevent intracranial shower. In our index case thrombus fragment migrated to ECA, although it did not cause any neurological deficit. These cases highlight a novel technique to treat free floating thrombus.

    *Representative image available.

    Conflict of Interest:
    None declared.