Routine first-line detection of breast cancer therapy-related cardiotoxicity by serial, fast and ultra-low-dose equilibrium radionuclide angiography - Université de Lorraine Accéder directement au contenu
Article Dans Une Revue Journal of Nuclear Cardiology Année : 2023

Routine first-line detection of breast cancer therapy-related cardiotoxicity by serial, fast and ultra-low-dose equilibrium radionuclide angiography

Résumé

Background. This study assesses a first-line left ventricular ejection fraction (LVEF) monitoring provided by an ultra-low-dose equilibrium radionuclide angiography (ERNA) in breast cancer women treated with potentially cardiotoxic drugs and analyzes patient outcome based on the ERNA results. Methods. Breast cancer women treated with anthracyclines, followed or not by trastuzumab, were monitored using ERNA with a high-sensitivity CZT-camera. Calibrated LVEF measurements were obtained with an almost 3-fold reduction of radiation doses and 10-min recording times. Results. During a mean 24±6 months follow-up, 552 ERNAs with a mean effective dose of 2.3±0.6 mSv were performed in 195 women, among whom 22 (11%) presented both ERNA criteria of cardiotoxicity (LVEF < 50% and > 10% drop from baseline; Tox+ group), 35 (18%) only one criterion (Tox± group), and 138 (71%) neither (Tox-group). This ERNA-based classification correlated with trastuzumab-anthracycline treatment (p=0.001), prior cardiovascular disease (p=0.018), and cardiac outcome, with a 30month survival with no cardiotoxicity-driven drug regimen changes of 97±2% in Tox-, 60±13% in Tox± and 36±13% in Tox+ (p<0.001) groups. Conclusion. First-line detection of breast cancer therapy-related cardiotoxicity by ultralow-dose ERNA provides consistent results, confirming the excellent cardiac outcome for the greatest majority of women with no ERNA cardiotoxicity criteria.
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Dates et versions

hal-03924987 , version 1 (05-01-2023)

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Charles-Edouard Decorads, Aurélien Lambert, Véronique Roch, Laetitia Imbert, Mathieu Perrin, et al.. Routine first-line detection of breast cancer therapy-related cardiotoxicity by serial, fast and ultra-low-dose equilibrium radionuclide angiography. Journal of Nuclear Cardiology, 2023, 30 (3), pp.1202-1209. ⟨10.1007/s12350-022-03124-z⟩. ⟨hal-03924987⟩
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