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Total occlusion of the left main coronary artery in a young cocaine user
R Pavón-Jiménez1, J C García-Rubira, J Calderón-Leal
1Cardiology Service, University Hospital Virgen Macarena, Seville, Spain. kaito@arrakis.es
Insights
Cocaine use in a young woman led to acute myocardial infarction and cardiogenic shock due to left main coronary artery occlusion. Despite interventions, she experienced fatal electromechanical dissociation.
Area of Science:
- Cardiology
- Toxicology
- Emergency Medicine
Background:
- Cocaine is a potent stimulant with known cardiovascular risks.
- Myocardial infarction (MI) in young adults is less common but can be severe.
- Cardiogenic shock indicates severe left ventricular dysfunction following MI.
Observation:
- A young woman, a cocaine user, presented with acute myocardial infarction and cardiogenic shock.
- Coronary arteriography showed complete blockage of the left main coronary artery.
- The patient received an intra-aortic counterpulsation balloon and percutaneous transluminal coronary angioplasty.
Findings:
- Despite advanced interventions, the patient developed electromechanical dissociation.
- Electromechanical dissociation is a state where the heart muscle shows electrical activity but no mechanical contraction.
- Resuscitation efforts were unsuccessful.
Implications:
- This case highlights the severe cardiovascular complications of cocaine use, including acute MI and left main coronary artery occlusion.
- It underscores the potential for rapid deterioration and poor outcomes even with timely and aggressive medical management.
- Emphasizes the critical need for awareness of substance abuse in young patients presenting with cardiac emergencies.
Abstract:
A young woman, currently user of cocaine, was admitted because of acute myocardial infarction with cardiogenic shock. The coronary arteriography revealed total occlusion of the left main coronary artery. Despite the use of an intraaortic counterpulsation balloon and successful percutaneous transluminal coronary angioplasty, she developed electromechanical dissociation, unresponsive to resuscitation manoeuvres.