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An Alternative Approach by HeartWare Ventricular Assist Device in Hypertrophic Cardiomyopathy

Katsuhide Maeda1, Teimour Nasirov1, David N Rosenthal2

  • 1Department of Cardiothoracic Surgery, Stanford University Medical Center, Stanford, California.

The Annals of Thoracic Surgery
|May 29, 2018
PubMed

Insights

A novel transatrial left atrial cannulation technique offers a safe alternative for ventricular assist device implantation in hypertrophic cardiomyopathy patients, avoiding apex cannulation complications.

Area of Science:

  • Cardiology
  • Medical Devices
  • Surgical Techniques

Background:

  • Hypertrophic cardiomyopathy (HCM) presents challenges for left ventricular assist device (LVAD) support due to small ventricular cavities and drainage issues.
  • Traditional LVAD apex cannulation is often difficult in HCM patients.

Observation:

  • A HeartWare ventricular assist device was implanted using a novel transatrial approach.
  • The device was connected to the left atrium via the right atrium, utilizing an interposition graft across the atrial septum.

Findings:

  • The patient was successfully discharged after 111 days of LVAD support.
  • No complications, including thromboembolic events, were observed during the support period.
  • The patient subsequently underwent a successful heart transplant.

Implications:

  • This transatrial left atrial cannulation technique represents a viable alternative for LVAD implantation in HCM.
  • The technique demonstrates safety and efficacy when used with the HeartWare LVAD system.
  • It may improve outcomes for HCM patients requiring mechanical circulatory support.

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