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Prolonged selective urokinase infusion in totally occluded coronary arteries and bypass grafts: two case reports

L McKeever1, J Hartmann, V Bufalino

  • 1Section of Cardiology, Good Samaritan Hospital, Downers Grove, Illinois.

Insights

This study presents a new method for dissolving blood clots in coronary arteries using urokinase infusion. This technique enables angioplasty on previously inaccessible lesions.

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Thrombolytic Therapy

Background:

  • Coronary artery disease and bypass graft occlusions often involve thrombus formation.
  • Percutaneous coronary intervention (PCI) is a primary treatment modality.
  • Accessing distal lesions through stenotic segments can be challenging.

Observation:

  • A novel technique utilizing prolonged selective infusion of urokinase via an infusion wire was developed.
  • This method facilitates passage of a steerable guide wire through obstructive thrombus and stenosis.
  • The technique allows visualization and treatment of previously unseen distal lesions.

Findings:

  • Successful thrombolysis in coronary arteries and bypass grafts was demonstrated.
  • The infusion wire technique enabled crossing of complex stenotic lesions.
  • Distal lesions, previously inaccessible, became amenable to angioplasty.

Implications:

  • This technique offers a potential advancement in treating complex coronary occlusions.
  • It may improve outcomes for patients with challenging coronary artery disease.
  • Enhanced recanalization strategies could expand interventional cardiology's capabilities.

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