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Thrombus aspiration complicated by systemic embolization in patients with acute myocardial infarction

Ming-Shyan Lin1, Lung-Sheng Wu, Nai-Jen Cheng

  • 1Department of Cardiology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, 199 Tunhwa N. Road, Taipei, Taiwan.

Circulation Journal : Official Journal of the Japanese Circulation Society
|January 6, 2009
PubMed

Insights

Thrombus aspiration during percutaneous coronary intervention can cause systemic embolism, affecting the brain or limbs. Using a large-lumen guiding catheter and gentle contrast injection may reduce this risk.

Area of Science:

  • Interventional Cardiology
  • Vascular Surgery

Background:

  • Percutaneous coronary intervention (PCI) is a primary treatment for acute coronary syndrome.
  • The "no-reflow" phenomenon, often due to distal embolism, limits PCI's myocardial reperfusion effectiveness.
  • Thrombus aspiration is employed to mitigate distal embolism during PCI.

Observation:

  • This report details two cases of systemic embolism occurring during thrombus aspiration.
  • One patient experienced cerebral artery embolism.
  • The other patient suffered a left radial artery embolism.

Findings:

  • Systemic embolism is a potential complication of thrombus aspiration in PCI.
  • Cerebral and peripheral artery embolism were observed in the presented cases.
  • These events highlight risks associated with thrombus aspiration procedures.

Implications:

  • Careful technique during thrombus aspiration is crucial to prevent complications.
  • Recommendations include using a large-lumen guiding catheter with deep positioning.
  • Gentle contrast medium injection is advised to minimize embolism risk during PCI.

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