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Updated: Aug 8, 2025

Intra-Arterial Delivery of Neural Stem Cells to the Rat and Mouse Brain: Application to Cerebral Ischemia
14:53

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Delayed Complication of a Retained Microcatheter during Neurovascular Intervention Presenting as Limb Ischemia: A

Vijay Madhukar Mundhe1, Rakesh Singh1, Neeraj Singh1

  • 1Department of Endovascular Neurosurgery, Breach Candy Hospital, Mumbai, Maharashtra, India.

Neurology India
|March 2, 2023
PubMed
Abstract

Insights

A retained microcatheter after endovascular embolization can migrate, causing limb ischemia. Prompt endovascular removal is effective for this rare complication.

Area of Science:

  • Neuroendovascular interventions
  • Vascular surgery
  • Interventional radiology

Background:

  • Retained microcatheters after endovascular embolization of brain vascular malformations present significant risks.
  • Long-term complications associated with retained microcatheters are infrequently documented.

Approach:

  • A literature review was conducted using PubMed with keywords: "complications," "endovascular interventions," "retained catheter," and "Onyx."
  • The case involved a patient with a history of dural AV fistula embolization who presented with acute limb ischemia due to a migrated microcatheter.

Key Points:

  • A rare case of limb ischemia caused by a completely migrated retained microcatheter is presented.
  • The patient underwent embolization for a dural AV fistula using ethylene vinyl alcohol (Onyx) five years prior.
  • Emergency endovascular catheter removal and thrombus aspiration were performed.

Conclusions:

  • Endovascular approaches are effective for treating migrated catheters within the vascular lumen.
  • Educating patients on potential complications can facilitate timely medical intervention.
Keywords:
IschemiaOnyxmigrationretained

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