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Updated: May 8, 2026

Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock
Published on: June 12, 2021
Removal of Impella® 2.5 while maintaining vascular access: a solution to a vascular quandary
Michael S Kim1, Stacey Clegg, John C Messenger
1Department of Medicine, Division of Cardiology, University of Colorado, Denver, Aurora, Colorado.
Insights
Cardiogenic shock patients often face high mortality. This case report details a method to maintain vascular access when switching between mechanical support devices, improving patient outcomes.
Area of Science:
- Cardiology
- Interventional Cardiology
- Mechanical Circulatory Support
Background:
- Cardiogenic shock (CS) following acute myocardial infarction (AMI) carries a high mortality rate.
- Hemodynamic support devices are recommended for CS in ST-elevation myocardial infarction (STEMI).
- Maintaining vascular access during device exchange, especially with anticoagulation, presents a significant challenge.
Observation:
- This report describes a novel approach to manage vascular access during device exchange.
- The technique facilitated the transition from an Impella® 2.5 device to a TandemHeart system.
- Successful maintenance of access was achieved in a patient with refractory CS.
Findings:
- A specific strategy was employed to preserve percutaneous vascular access post-Impella® removal.
- This allowed for the safe and effective implantation of the TandemHeart system.
- The described method addresses a critical complication in managing CS patients requiring device escalation.
Implications:
- This technique offers a potential solution for maintaining hemodynamic support in complex CS cases.
- It may improve the management of patients requiring sequential mechanical circulatory support.
- Further investigation into this vascular access strategy could enhance CS patient care pathways.
Abstract:
Cardiogenic shock (CS) in the setting of acute myocardial infarction is associated with high in-hospital mortality rates. Society guidelines provide a Class Ib recommendation for the use of hemodynamic support devices in patients with CS following ST-elevation myocardial infarction. Exchanging of hemodynamic support devices is often complicated by inability to maintain percutaneous vascular access upon device removal in the setting of anticoagulation. This report highlights one potential solution to the dilemma of maintaining vascular access following removal of an Impella® 2.5 mechanical support device to allow safe transition to a TandemHeart system in a patient with refractory CS.
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