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Radiation-induced valvular heart disease
  1. Dorothy M Gujral1,
  2. Guy Lloyd2,3,
  3. Sanjeev Bhattacharyya2,3
  1. 1Department of Clinical Oncology, Imperial College Healthcare NHS Trust, London, UK
  2. 2Echocardiography Laboratory, Bart's Heart Centre, St Bartholomew's Hospital, London, UK
  3. 3Valvular Heart Disease Clinic, Bart's Heart Centre, St Bartholomew's Hospital, London, UK
  1. Correspondence to Dr Sanjeev Bhattacharyya, Barts Heart Centre, St Bartholomew's Hospital, West Smithfield, London EC1 7AB, UK; Sanjeev.Bhattacharyya{at}


Radiation to the mediastinum is a key component of treatment with curative intent for a range of cancers including Hodgkin's lymphoma and breast cancer. Exposure to radiation is associated with a risk of radiation-induced heart valve damage characterised by valve fibrosis and calcification. There is a latent interval of 10–20 years between radiation exposure and development of clinically significant heart valve disease. Risk is related to radiation dose received, interval from exposure and use of concomitant chemotherapy. Long-term outlook and the risk of valve surgery are related to the effects of radiation on mediastinal structures including pulmonary fibrosis and pericardial constriction. Dose prediction models to predict the risk of heart valve disease in the future and newer radiation techniques to reduce the radiation dose to the heart are being developed. Surveillance strategies for this cohort of cancer survivors at risk of developing significant heart valve complications are required.

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