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Extension of a spontaneous coronary artery dissection due to thrombolytic therapy

E M Buys1, M J Suttorp, W J Morshuis

  • 1Department of Cardiology, St. Antonius Hospital, Nieuwegein, The Netherlands.

Catheterization and Cardiovascular Diagnosis
|October 1, 1994
PubMed

Insights

Spontaneous coronary artery dissection (SCAD) can worsen with thrombolytic therapy. Direct coronary angiography is recommended for young women with myocardial infarction and no risk factors to determine the best treatment.

Area of Science:

  • Cardiology
  • Vascular Medicine
  • Interventional Cardiology

Background:

  • Spontaneous Coronary Artery Dissection (SCAD) is a rare but serious cause of myocardial infarction (MI), particularly in young women.
  • Initial management of acute MI often involves thrombolytic therapy to dissolve blood clots.

Observation:

  • A 38-year-old woman with anterior MI experienced clinical and electrocardiogram (ECG) deterioration during thrombolytic administration.
  • Coronary angiography revealed a significant dissection in the proximal left descending coronary artery.

Findings:

  • The dissection was hypothesized to have extended due to thrombolytic-induced bleeding into the arterial wall.
  • This case suggests thrombolysis may exacerbate SCAD.

Implications:

  • Direct coronary angiography should be considered as a primary diagnostic and therapeutic strategy in young female patients presenting with acute MI and no traditional cardiac risk factors.
  • This approach allows for timely assessment and selection of the optimal treatment strategy, potentially avoiding complications associated with thrombolysis in SCAD.

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