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05:52

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[Thrombosis in unstable angina. Is there a role for thrombolytic agents?]

P Raynaud1, B Desveaux, G Pacouret

  • 1Clinique Cardiologique, Hôpital Trousseau, Tours.

Annales De Cardiologie Et D'Angeiologie
|September 15, 1989
PubMed

Insights

Intracoronary thrombosis is a key cause of unstable angina (UA). Thrombolytic treatment shows promise for reducing clots, but further research is needed to confirm benefits and risks.

Area of Science:

  • Cardiology
  • Vascular Biology
  • Pathophysiology

Context:

  • Unstable angina (UA) is increasingly linked to intracoronary thrombosis.
  • Evidence from pathological, biological, angioscopic, and angiographic studies supports this association.
  • Non-obstructive coronary thrombi are frequently observed in UA patients.

Purpose:

  • To review the role of intracoronary thrombosis in unstable angina.
  • To evaluate the efficacy and safety of thrombolytic therapy for UA.
  • To discuss the potential role of transluminal coronary angioplasty and aortocoronary bypass in conjunction with thrombolysis.

Summary:

  • Intracoronary thrombosis is a significant etiological factor in unstable angina (UA).
  • The frequency of coronary thrombi in UA correlates with the time since the last painful episode, suggesting spontaneous clot lysis.
  • While non-randomized studies suggest thrombolysis reduces clots, randomized trials show encouraging but preliminary results, necessitating larger studies.

Impact:

  • Highlights the critical role of thrombosis in UA pathophysiology.
  • Suggests thrombolytic therapy as a potential treatment strategy for UA.
  • Emphasizes the need for further randomized controlled trials to establish the definitive benefits, optimal use, and hemorrhagic risks of thrombolysis in UA, alongside other interventions.

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