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Related Experiment Video

Updated: Jul 18, 2025

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Short-term percutaneous mechanical circulatory support: no promise without positioning!

Tim Balthazar1,2, Nicolas M Van Mieghem3, Matthias Raes2

  • 1Centre for Cardiovascular Diseases, University Hospital Brussels, Laarbeeklaan 101, Jette 1090, Belgium.

European Heart Journal. Acute Cardiovascular Care
|August 22, 2023
PubMed
Summary

Optimizing percutaneous ventricular assist device (pVAD) position is crucial for effective left ventricular support in cardiogenic shock. This review details achieving and maintaining correct pVAD placement to prevent complications and ensure adequate hemodynamic support.

Keywords:
Cardiogenic shockHaemolysisHeart-assist devices

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Area of Science:

  • Cardiology
  • Intensive Care Medicine
  • Medical Device Technology

Background:

  • Short-term mechanical circulatory support with micro-axial flow pumps is vital for left ventricular support in cardiogenic shock.
  • Proper management of percutaneous ventricular assist devices (pVADs) in the cardiac intensive care unit is essential for optimal function and hemodynamic stability.
  • Correct pVAD positioning is a critical factor for successful device therapy.

Approach:

  • This review focuses on achieving and maintaining optimal left-sided pVAD positioning, emphasizing insertion depth and rotational angle.
  • It discusses imaging techniques, placement/replacement maneuvers, and console monitoring for pVAD management.
  • A bedside approach is proposed to assess pVAD position and differentiate suction alarms from hemodynamic issues.

Key Points:

  • Optimal pVAD position is critical for effective hemodynamic support and preventing device-related complications.
  • Mal-rotation towards the mitral valve can lead to suction alarms, hemolysis, aortic regurgitation, and inadequate support.
  • Accurate assessment of pVAD position is necessary to distinguish device mal-positioning from primary hemodynamic problems.

Conclusions:

  • Achieving and maintaining correct pVAD position is paramount for patients with cardiogenic shock requiring mechanical circulatory support.
  • Understanding device mechanics and potential mal-positioning issues aids in optimizing patient outcomes.
  • This review provides practical guidance for clinicians managing pVADs in the intensive care setting.