Abstract-The cardiotoxicity of anticancer agents can lead to significant complications that can affect patients being treated for various malignancies. The severity of such toxicity depends on many factors such as the molecular site of action, the immediate and cumulative dose, the method of administration, the presence of any underlying cardiac condition, and the demographics of the patient. Moreover, toxicity can be affected by current or previous treatment with other antineoplastic agents. Cardiotoxic effects can occur immediately during administration of the drug, or they may not manifest themselves until months or years after the patient has been treated. In this article we review commonly used chemotherapy agents, including several recently approved medications, for their propensity to cause cardiotoxicity. Further research will be required to more accurately predict which patients are at risk for developing cardiotoxicity. In addition, management plans, as well as strategies to reduce cardiotoxicity, need to be developed.

BACKGROUND.Patients with cancer who have thrombocytopenia may experience acute coronary syndromes (ACS), and the use of aspirin (ASA) poses an increased risk of bleeding. The purpose of this study was to test the hypothesis that the benefit of ASA therapy in the treatment of ACS would extend to cancer patients with thrombocytopenia and outweigh the risks of severe bleeding.METHODS.The records of all cancer patients diagnosed with an ACS in 2001 and referred for cardiology consultation were reviewed. Patients were divided into 2 groups on the basis of platelet count, >100 cells k/μL and ≤100 cells k/μL. Data were collected on the use of ASA therapy, bleeding complications, and survival rates. The authors assessed group differences by using the Wilcoxon rank sum test or 2‐tailed Fisher exact test, as appropriate. Univariate and multivariate logistic regression models were used to assess factors potentially associated with 7‐day survival.RESULTS.In cancer patients with ACS and thrombocytopenia, those who did not receive ASA had a 7‐day survival rate of 6% compared with 90% in those who did receive ASA (P < .0001). There were no severe bleeding complications. Patients with a platelet count (>100 cells k/μL) who received ASA had a 7‐day survival rate of 88% compared with 45% in those who did not receive ASA (P = .0096).CONCLUSIONS.Therapy with ASA was associated with a significantly improved 7‐day survival after ACS in cancer patients, with or without thrombocytopenia, and not associated with more severe bleeding. Cancer 2007;109:621–627. © 2006 American Cancer Society.

Cardiac tumors are a rare entity, comprised of tumors with diverse histology and natural history. We report the clinical characteristics, echocardiograhic findings, therapy and outcome of 59 patients with primary and metastatic cardiac tumors. Our institutional echocardiogram data base from 1993 through 2005 was reviewed to identify patients diagnosed with intra-cardiac tumor. A total of 59 patients with cardiac tumors were identified and included in the study. The patients' characteristics, presenting symptoms, diagnostic tests, location, histology of the tumor, treatment and the one year survival rate of this population was collected from the medical records. Of the 59 cardiac tumor cases, 16 (27%) were primary cardiac tumors and 43 (73%) were secondary cardiac tumors. The most common primary tumor was sarcoma affecting 13 (81%) of the 16 cases. Of these, 5 patients were angiosarcoma, 5 unclassified sarcoma, one myxoid sarcoma and 2 malignant fibrous histiocytoma. The mean age at presentation was 41.1 years, and the most common location was right atrium affecting 6 cases (37.5%). The most common symptom of dyspnea was present in 10 (62.5%) cases. Eleven (25.6%) of the 43 secondary cardiac tumors were metastasis from renal cell carcinoma. The mean age at presentation was 55.4 years. Right atrium was the most frequent location affecting 18 (42%) of the 43 patients. The most common presenting symptom was dyspnea in 15 (35%) cases. For both primary and secondary tumors, dyspnea was the most common symptom and right atrium was most frequently involved. Sarcoma was the most common primary cardiac tumor while metastasis from renal cell carcinoma was the most common secondary tumor.

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