Thrombosuction for procedural acute thrombosis during high-risk carotid angioplasty--a case report

Anil Dhall1, S K Malani, Davinder S Chadha

  • 1Department of Cardiology, Artemis Health Institute, Gurgaon, India.

Insights

Carotid stenting can be risky with blocked arteries. Direct thrombosuction via a guiding sheath successfully restored blood flow in a patient with acute carotid stent thrombosis, avoiding stroke.

Area of Science:

  • Vascular Surgery
  • Interventional Neurology
  • Cerebrovascular Disease

Background:

  • Carotid endarterectomy poses high perioperative stroke risk when the contralateral artery is occluded.
  • Carotid stenting with neuroprotection is a safer alternative for revascularization in such high-risk cases.

Observation:

  • A patient with recurrent transient ischemic attacks and severe left internal carotid artery stenosis, alongside occluded cerebral vessels, underwent high-risk carotid angioplasty.
  • Follow-up angiography revealed acute thrombotic obstruction of the carotid stent.

Findings:

  • Direct thrombosuction using a guiding sheath effectively cleared the obstruction.
  • Complete restoration of vascular patency and intracranial blood flow was achieved.
  • A 10-day follow-up angiogram confirmed no residual stenosis or thrombus.

Implications:

  • Guiding sheath thrombosuction offers a rapid revascularization strategy for acute carotid stent thrombosis.
  • This technique may be crucial in managing complex cerebrovascular cases with high stroke risk.
  • Successful thrombosuction can prevent perioperative stroke in patients undergoing carotid stenting with contralateral occlusion.