Abstract
Purpose of the Review
Short-term and durable mechanical circulatory support (MCS) devices represent life-saving interventions for patients with cardiogenic shock and end-stage heart failure. This review will cover the epidemiology, risk factors, and treatment of stroke in this patient population.
Recent Findings
Short-term devices such as intra-aortic balloon pump, Impella, TandemHeart, and Venoatrial Extracorporal Membrane Oxygenation, as well as durable continuous-flow left ventricular assist devices (LVADs), improve cardiac output and blood flow to the vital organs. However, MCS use is associated with high rates of complications, including ischemic and hemorrhagic strokes which carry a high risk for death and disability. Improvements in MCS technology have reduced but not eliminated the risk of stroke. Mitigation strategies focus on careful management of anti-thrombotic therapies. While data on therapeutic options for stroke are limited, several case series reported favorable outcomes with thrombectomy for ischemic stroke patients with large vessel occlusions, as well as with reversal of anticoagulation for those with hemorrhagic stroke.
Summary
Stroke in patients treated with MCS is associated with high morbidity and mortality. Preventive strategies are targeted based on the specific form of MCS. Improvements in the design of the newest generation device have reduced the risk of ischemic stroke, though hemorrhagic stroke remains a serious complication.
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Joshua Z. Willey reports research funding from the National Institutes of Health (NS R01 121364).
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Joshua Z. Willey reports royalties from UptoDate and the American College of Physicians; and consulting fees from Cardiovascular Research Foundation and Abbott Laboratories. Paolo C. Colombo reports consulting fees from Roche, and payment or honoraria from Abbott. The other authors declare that they have no conflict of interest.
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Bae, D.J., Willey, J.Z., Ibeh, C. et al. Stroke and Mechanical Circulatory Support in Adults. Curr Cardiol Rep 25, 1665–1675 (2023). https://doi.org/10.1007/s11886-023-01985-5
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DOI: https://doi.org/10.1007/s11886-023-01985-5