Abstract
Cardiotoxicity from cancer therapy has become a leading cause of morbidity and mortality in cancer survivors. The most commonly used definition is cancer therapeutic related cardiac dysfunction defined as a left ventricular ejection fraction (LVEF) reduction of >10%, to a value below 50%. However, according to the recent American and European Society of Echocardiography, global longitudinal strain (GLS) is the optimal parameter for early detection of subclinical left ventricular dysfunction. The objective of this study was to evaluate the frequency of GLS reduction in patients with active cancer and its correlation to other echocardiographic parameters. Data were collected as part of the International Cardio-Oncology Registry. All patients performed at least 2 echocardiograms including GLS. We evaluated the frequency of GLS reduction (≥10% relative reduction), its correlation to LVEF reduction and whether there are other predicting echocardiographic parameters. In 64 consecutive patients, 12 (19%) had ≥10% GLS relative reduction, of which 75% had no concomitant ejection fraction reduction. There were no significant differences in the baseline cardiac risk factors (hypertension, diabetes, hyperlipidemia, or smoking). Treatment w...Continue Reading
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