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Spontaneous coronary arterial dissection causing acute myocardial infarction
E S Carell1, T C Toole, B Lachterman
1University of Texas Health Science Center, Houston, USA.
Insights
A middle-aged woman experienced acute myocardial infarction due to coronary artery dissection and thrombus. While anticoagulation resolved the thrombus, the dissection persisted, highlighting the need for further investigation into spontaneous coronary arterial dissection.
Area of Science:
- Cardiology
- Vascular Biology
- Interventional Cardiology
Background:
- Acute myocardial infarction (MI) necessitates prompt diagnosis and treatment.
- Spontaneous coronary arterial dissection (SCAD) is an uncommon cause of MI, particularly in women.
- Intravenous thrombolysis is a standard treatment for ST-elevation MI.
Observation:
- A middle-aged female presented with acute inferior MI.
- Coronary angiography revealed a spiral dissection and a large thrombus.
- Intracoronary ultrasound confirmed the persistent spiral dissection after thrombus resolution.
Findings:
- Successful thrombus resolution with anticoagulation therapy.
- Persistence of a significant spiral coronary artery dissection post-treatment.
- SCAD as a primary etiology for MI in this case.
Implications:
- SCAD requires careful diagnostic evaluation, including intracoronary imaging.
- Management strategies for SCAD-associated MI may differ from typical atherosclerosis.
- Further research into SCAD pathogenesis and optimal treatment is warranted.
Abstract:
We report the case of a middle-aged female who presented with an acute inferior myocardial infarction treated with intravenous thrombolytics. Immediate coronary angiography demonstrated the presence of a spiral dissection and a large thrombus. After 1 week of anticoagulation the thrombus had resolved, but a large spiral dissection persisted. This was confirmed by intracoronary ultrasound. We then review the literature on spontaneous coronary arterial dissection.