Abstract
Acute decompensated refractory cardiogenic shock is an emergency in which the prompt instauration of mechanical circulatory support improves outcomes. The typical, initial approach for device delivery is via femoral vessels due to easy access and safety. If longer support is needed, the femoral access will severely impair the patient’s mobility and can also limit the amount of support given as the new-generation devices are too large for direct arterial insertion. Upper-body arterial conduits (UBACs) are used for the delivery of larger, percutaneous ventricular assist devices (pVADs). The Impella 5.5 (Abiomed, Danvers, MA, USA) is a pVAD that can be deployed through a UBAC by either axillary/subclavian access or a transaortic approach. The latter approach is typically used in cases of postcardiotomy shock, in which the ascending aorta is already exposed through a full sternotomy. However, in some cases, the axillary artery is not suitable due to size (<6 mm in diameter), and a smaller pVAD is delivered into the heart. To avoid providing suboptimal support, we present an alternative, minimally invasive approach in which the larger device is delivered through the ascending aorta. This article summarizes the details of this approach through a mini upper partial sternotomy and reviews the relevant technical considerations.
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