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Updated: Sep 19, 2025

Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock
Published on: June 12, 2021
Unexpected Percutaneous Ventricular Assist Device Failure in a Complex Case of Infarct-Related Cardiogenic Shock
Sarah Louise Duus Holle1, Jacob Eifer Møller2, Hans-Henrik Tilsted1
1Department of Cardiology, The Heart Center, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.
Insights
Frequent reassessment of the Society for Cardiovascular Angiography and Interventions (SCAI) shock classification is crucial for managing infarct-related cardiogenic shock. Swift decisions on mechanical circulatory support, like microaxial flow pumps, are vital for patient stabilization.
Area of Science:
- Cardiology
- Critical Care Medicine
Background:
- Infarct-related cardiogenic shock (CS) is a severe complication following myocardial infarction.
- The Society for Cardiovascular Angiography and Interventions (SCAI) shock classification system aids in early identification and management of CS.
Background:
Infarct-related cardiogenic shock (CS) is a serious complication. The implementation of the Society for Cardiovascular Angiography and Interventions (SCAI) shock classification system facilitates the timely identification and intervention in CS.
Case Summary:
A patient presenting with anterior ST-segment elevation myocardial infarction arrived at the catheterization laboratory in SCAI stage B, with rapid progression to stage E. Acute bedside echocardiography revealed an ejection fraction of 10%. The patient was stabilized with norepinephrine and a microaxial flow pump. The device malfunctioned, resulting in replacement.
Discussion:
SCAI stages need frequent reassessment to guide appropriate interventions. The microaxial flow pump was selected owing to its less invasive nature and its ability to provide left ventricular support. The decision to implant a mechanical circulatory support device is complex and must be made swiftly in response to the patient's clinical condition.
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