Journal
JACC: CARDIOONCOLOGY
Volume 2, Issue 5, Pages 677-689Publisher
ELSEVIER
DOI: 10.1016/j.jaccao.2020.10.011
Keywords
cancer; cardiotoxicity; echocardiography; global longitudinal strain; left ventricular function
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Echocardiographic imaging is crucial for patient management during cardiotoxic cancer therapy. Left ventricular ejection fraction is the most commonly used parameter for identifying left ventricular dysfunction. However, it lacks sensitivity to detect subclinical changes in cardiac function due to cardiotoxic treatment. Global longitudinal strain (GLS) is the best studied strain parameter with established diagnostic and prognostic value. Multiple studies have demonstrated changes in GLS as an early marker of cardiotoxicity. This document serves as a primer to help clinicians in the acquisition and interpretation of strain in cardio-oncology. Cases with embedded videos illustrate a step-by-step approach to obtaining GLS measurements and common pitfalls to avoid. The document includes a concise summary of the indications of GLS in cardio-oncology and its role in guiding oncological therapy. Practical approaches on how to implement strain in the echo laboratory with guidance on training and quality assurance are also discussed. (C) 2020 The Authors. Published by Elsevier on behalf of the American College of Cardiology Foundation.
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