A Novel Mechanical Circulatory Approach for Patients with Cardiogenic Shock in the Intensive Care Unit

Authors

  • Christoph Bara
  • Alireza Ghodsizad
  • Biswajit Kar
  • Igor D. Gregoric
  • Artur Lichtenberg
  • Axel Haverich
  • Matthias Karck
  • Arjang Ruhparwar

DOI:

https://doi.org/10.1532/HSF98.20061214

Abstract

Background. The capacity of the heart to maintain cardiac output can be acutely impaired as a result of myocardial infarction, graft failure after transplantation, or other cardiac events. Medical therapy or the use of an intra-aortic balloon pump may be insuffcient to help the patient overcome acute cardiogenic shock. The set-up of mechanical assist devices such as extracorporeal membrane oxygenation or patient relocation into the operating room requires valuable time that is often not available. The aim of our study was to test whether a novel left ventricular assist device can be percutaneously implanted without fluoroscopy under echocardigraphic navigation in a preclinical model.

Methods. Pigs were subjected to percutaneous implantation of a novel left ventricular assist device under navigation of transesophageal echocardiography (TEE) without fluoroscopic support. Percutaneous puncture of the interatrial septum using a Brockenbrough needle and insertion of the afferent cannula into the femoral vein and its advance to the right atrium and through the interatrial septum into the left atrium was performed under echocardiographic control. The efferent cannula was inserted into the contralateral femoral artery using the Seldinger technique.

Results. In all animals, the percutaneous implantation of a left ventricular assist device was successful under only TEE navigation.

Conclusions. The ability to abstain from fluoroscopy and the feasibility of inserting the afferent cannula across the interatrial septum guided by TEE allows for application of this system in intensive care units, saving precious time as well as financial and human resources.

References

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Published

2007-03-27

How to Cite

Bara, C., Ghodsizad, A., Kar, B., Gregoric, I. D., Lichtenberg, A., Haverich, A., Karck, M., & Ruhparwar, A. (2007). A Novel Mechanical Circulatory Approach for Patients with Cardiogenic Shock in the Intensive Care Unit. The Heart Surgery Forum, 10(2), E170-E172. https://doi.org/10.1532/HSF98.20061214

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