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Updated: Jun 7, 2025

Voluntary Breath-hold Technique for Reducing Heart Dose in Left Breast Radiotherapy
Published on: July 3, 2014
Cardiac Complications of Radiation Therapy
Raja Zaghlol1, Lauren Pedersen2, Syed Qamer1
1Division of Cardiovascular Disease, Cardio-oncology Section, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8086, St Louis, MO 63110, USA.
Abstract:
Radiation therapy is a critical component in managing many malignancies by improving local control and survival. The benefits of radiation may come at the expense of unintended radiation injury to the surrounding normal tissues, with the heart being one of the most affected organs in thoracic radiation treatments. As cancer survivors live longer, radiation-induced cardiotoxicity (RICT) is now increasingly recognized. In this review, we highlight the spectrum and pathophysiology of RICT. We summarize contemporary recommendations for risk stratification, screening, prevention, and management of RICT. We briefly highlight novel applications for radiation to treat some cardiac conditions such as resistant arrhythmias.
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