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Updated: Aug 17, 2025
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Use of a Percutaneous Ventricular Assist Device/Left Atrium to Femoral Artery Bypass System for Cardiogenic Shock
Published on: August 16, 2021
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Right Atrial Compression From Biodebris Associated With Long-Term Left Ventricular Assist Device Support
Sara G Kwiatkowski1, Zachary M Gertz2, John D Grizzard3
1Department of Internal Medicine, Virginia Commonwealth University, Richmond, Virginia, USA.
JACC. Case Reports
|December 12, 2022
Summary
Biodebris commonly accumulates around the HeartWare Ventricular Assist Device (HVAD) outflow cannula over time. This accumulation can lead to serious complications like right atrial compression in patients requiring long-term support.
Area of Science:
- Cardiovascular Surgery
- Biomedical Engineering
- Medical Device Technology
Background:
- The HeartWare Ventricular Assist Device (HVAD) is a centrifugal-flow left ventricular assist device used for advanced heart failure.
- Accumulation of biodebris around the device's outflow cannula is a known, yet not fully understood, phenomenon.
Observation:
- Two patients on long-term HVAD support presented with right atrial compression.
- The compression was attributed to significant biodebris accumulation around the intrapericardial outflow cannula.
Findings:
- A review of the institution's HVAD cohort confirmed that biodebris accumulation around the outflow cannula is common.
- The extent and clinical significance of this biodebris warrant further investigation.
Implications:
- Understanding biodebris formation is crucial for optimizing long-term ventricular assist device performance and patient safety.
- This phenomenon may necessitate monitoring strategies or interventions to prevent device-related complications.
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