Postoperative breast radiotherapy (RT) has been associated with increased risk of heart toxicity. However, there is a lack of knowledge for radiation-induced early cardiovascular injury, especially for hypofractionated RT. This study aims to prospectively detect and predict early clinical or subclinical cardiac events in women undergoing adjuvant RT for breast cancer.
Women with left-sided breast cancer undergo hypofractionated RT at either free-breathing or deep inspiration breath-hold. The incidence and potential clinical, dosimetric and biological indicators of early clinical or subclinical cardiac injury are investigate at 2 years.
Study Type
OBSERVATIONAL
Enrollment
166
Selective application of deep inspiration breath-hold technique
Cancer Hospital, Chinese Academy of Medical Sciences
Beijing, China
RECRUITINGIncidence of clinical or subclinical cardiac injury
predefined cardiac events
Time frame: two years
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