Breast Radiotherapy and Early Adverse Cardiac Effects. The Role of Serum Biomarkers and Strain Echocardiography.

Breast cancer radiotherapy has a clear benefit for both long-term survival and local recurrence rate. However, there is still much concern about the early radiation-induced heart toxicity. This article aimed to clarify the impact of certain cardiac biomarkers and strain echocardiographic imaging on the detection of early cardiac dysfunction. Several studies that reported changes in either echocardiographic and/or serum levels measurements after breast radiotherapy were searched. Despite the established role of cardiac biomarkers to predict late cardiotoxicity after radiotherapy, data concerning early cardiac damage are still lacking. Furthermore, although strain echocardiography represents a specific tool for the detection of cardiac morbidity in certain diseases, much interest concerns its role in the prediction of early heart failure after radiotherapy. Identification of new tools for the detection of early cardiotoxicity after breast radiotherapy may minimize the side-effects of therapeutic modalities in the clinical setting.

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Copyright© 2019, International Institute of Anticancer Research (Dr. George J. Delinasios), All rights reserved.