The interplay between cancer and cardiovascular disease.

Cancer and cardiovascular disease (CVD) are the leading causes of death in Japan, with an increasingly recognized interrelationship. Both diseases share numerous risk factors and pathophysiological mechanisms, suggesting a bidirectional influence on onset and progression. Recent studies reveal that cancer survivors face elevated CVD risks, particularly shortly after diagnosis, while CVD may predispose individuals to cancer. Cancer treatments, including chemotherapy, can lead to cardiotoxicity and increased CVD complications. A study by Suzuki et al. demonstrates that individuals with hypertension and a history of cancer, especially those treated with chemotherapy, have a higher risk of developing CVD events. Despite limitations in study design and data specificity, these findings highlight the importance of long-term cardiovascular monitoring in cancer survivors. As cardio-oncology evolves, developing evidence-based guidelines and fostering collaboration between oncologists and cardiologists is crucial for optimizing patient care and outcomes in both cancer and CVD management.