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Abstract

Medicine

Insertion, Maintenance, and Removal of the Percutaneous Dual Lumen Cannula Right Ventricular Assist Device

Published: July 20th, 2022

DOI:

10.3791/62951

1Cardiovascular Division, University of Nebraska Medical Center, 2Cardiothoracic Surgery Division, University of Nebraska Medical Center

Abstract

Right ventricular (RV) shock, classically characterized by elevated central venous pressure (CVP) with normal to low pulmonary artery (PA) and pulmonary capillary wedge pressures (PCWP), remains a significant cause of morbidity and mortality worldwide if left untreated. Therapies for the treatment of RV shock range from medical management to durable or percutaneous mechanical circulatory support (MCS). A unique MCS device, a percutaneous right ventricular assist device (pRVAD), approved for use by the Food and Drug Administration (FDA) in 2014, works by temporarily off-loading the RV through a single, dual lumen catheter with extracorporeal mechanical support and is capable of shunting blood from the right atrium (RA) to the main PA. Although initially approved as venous-venous extracorporeal membrane oxygenation (VV-ECMO) device, this work will focus on the use of RV support, as ambulatory VV-ECMO strategies have been described previously. The catheter is most commonly inserted through the right internal jugular (IJ) vein into the PA and connected to an external pump, allowing flow up to 5 L/min. This device may be an attractive choice for the treatment of RV shock due to its percutaneous, minimally invasive insertion and removal and its ability to allow patient ambulation while the device is in place. This protocol discusses in detail the equipment, hemodynamic effects, indications, contraindications, complications, currently available research in the literature, and step-by-step instructions on how to implant, manage, and extract the device, along with the guidance on use and troubleshooting complications from one of the largest, single-center experiences with the device.

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Keywords Right Ventricular Assist Device

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