Baseline cardio-oncologic risk assessment in breast cancer women and occurrence of cardiovascular events: The HFA/ICOS risk tool in real-world practice

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Background: the European Society of Cardiology Heart Failure Association (HFA) together with the International Cardio-Oncology Society (ICOS) proposed charts for baseline CV risk assessment of cancer patients scheduled to receive anthracyclines and anti-human epidermal growth factor receptor-2 (HER2) agents. Methods: We investigated HFA/ICOS risk stratification, prescriptions of cardioactive drugs, and occurrence of CV events in a multicentric breast cancer (BC) cohort from 3 Italian Outpatient Cardio-Oncology Clinics. Results: 373 BC patients who underwent a baseline Cardio-Oncologic evaluation were included, of whom 202 scheduled to receive anthracyclines and 171 anti-HER2. Mean age was 60 ± 12 years and 49% of BC patients had ≥2 CV risk factors. In the anthracyclines group, 51% were at low-risk, 43% at medium-risk and 6% at high-risk; while in the anti-HER2 group, 27% patients were at low-risk, 58% at medium-risk and 15% at high-risk. In both groups, a medium-to-high risk was associated with use of cardioactive therapies (p < 0.0001). There were no LVD events in anthracycline recipients, and 16 LVD among anti-HER2 patients. A medium-to-high risk was not associated with LVD occurrence (p = 0.17). Conclusions: Patients with medium-to-high HFA/ICOS risk were more likely to receive cardioactive therapies, possibly explaining the lack of association of risk categories with LVD occurrence.

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