Session II of the Second International Colloquium on Cardio-Oncology, chaired by Dr Breccia (Rome, Italy) and Dr Jurczak (Krakòw, Poland), focused on mechanisms and clinical course of cardiovascular toxicity of cancer treatment. Whereas the venerable anthracyclines keep challenging patients and clinicians with risk of left ventricular dysfunction and heart failure, other newer drugs cause substantially different clinical phenotypes of cardiovascular toxicity. In particular, Session II not only focused on arterial thrombosis and venous thromboembolism, but also hypertension or cardiomyopathy or atrial fibrillation induced by many otherwise life-saving drugs. Dr Breccia (Rome, Italy) reviewed incidence, mechanisms, risk factors, and principles for prevention of cardiovascular events induced by tyrosine kinase inhibitors of hematologic interest, such as those used to treat chronic myeloid leukemia. Dr Carver (Philadelphia) reviewed the incidence, predisposing factors, and principles for proactive management of cardiovascular events in patients treated by conventional chemotherapy or new drugs for treatment of multiple myeloma. Dr Szmit (Warsaw, Poland) discussed on how coagulation disorders should be classified according to patient- or drug-related factors and how they should be diagnosed and treated in patients with solid or hematologic tumors. Dr Minotti (Rome. Italy) illustrated some potential pitfalls of accelerated drug development and approval and their possible impact on clinical incidence of cardiovascular events induced by tyrosine kinase inhibitors of hematologic interest. Session II therefore offered a broad perspective of the risk-benefit ratio of new drugs that are plagued with concerns about cardiovascular events.
Keywords: Arterial thrombosis; Hypertension; Leukemias; Multiple myeloma; Thromboembolism.
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