Kalpit Modi1, Stephanie Joppa2, Ko-Hsuan Amy Chen3, Pal Satyajit Singh Athwal3, Osama Okasha3, Pratik S Velangi3, Matthew Hooks2, Prabhjot S Nijjar3, Anne H Blaes4, Chetan Shenoy3. 1. University of Minnesota Medical School, 420 Delaware Street SE, MMC 508, Minneapolis, MN 55455, USA. 2. Department of Medicine, University of Minnesota Medical School, Minneapolis, MN, USA. 3. Cardiovascular Division, Department of Medicine, University of Minnesota Medical School, Minneapolis, MN, USA. 4. Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota Medical School, Minneapolis, MN, USA.
Abstract
AIMS: In cancer patients with cardiomyopathy related to anthracyclines and/or trastuzumab, data regarding late gadolinium enhancement (LGE) on cardiovascular magnetic resonance imaging are confusing. The prevalence ranges from 0% to 30% and the patterns are ill-defined. Whether treatment with anthracyclines and/or trastuzumab is associated with LGE is unclear. We aimed to investigate these topics in a large cohort of consecutive cancer patients with suspected cardiotoxicity from anthracyclines and/or trastuzumab. METHODS AND RESULTS: We studied 298 patients, analysed the prevalence, patterns, and correlates of LGE, and determined their causes. We compared the findings with those from 100 age-matched cancer patients who received neither anthracyclines nor trastuzumab. Amongst those who received anthracyclines and/or trastuzumab, 31 (10.4%) had LGE. It had a wide range of extent (3.9-34.7%) and locations. An ischaemic pattern was present in 20/31 (64.5%) patients. There was an alternative explanation for the non-ischaemic LGE in 7/11 (63.6%) patients. In the age-matched patients who received neither anthracyclines nor trastuzumab, the prevalence of LGE was higher at 27.0%, while the extent of LGE and the proportion with ischaemic pattern were not different. CONCLUSION: LGE was present in only a minority. Its patterns and locations did not fit into a single unique profile. It had alternative explanations in virtually all cases. Finally, LGE was also present in cancer patients who received neither anthracyclines nor trastuzumab. Therefore, treatment with anthracyclines and/or trastuzumab is unlikely to be associated with LGE. The absence of LGE can help distinguish anthracycline- and/or trastuzumab-related cardiomyopathy from unrelated cardiomyopathies. Published on behalf of the European Society of Cardiology. All rights reserved.
AIMS: In cancerpatients with cardiomyopathy related to anthracyclines and/or trastuzumab, data regarding late gadolinium enhancement (LGE) on cardiovascular magnetic resonance imaging are confusing. The prevalence ranges from 0% to 30% and the patterns are ill-defined. Whether treatment with anthracyclines and/or trastuzumab is associated with LGE is unclear. We aimed to investigate these topics in a large cohort of consecutive cancerpatients with suspected cardiotoxicity from anthracyclines and/or trastuzumab. METHODS AND RESULTS: We studied 298 patients, analysed the prevalence, patterns, and correlates of LGE, and determined their causes. We compared the findings with those from 100 age-matched cancerpatients who received neither anthracyclines nor trastuzumab. Amongst those who received anthracyclines and/or trastuzumab, 31 (10.4%) had LGE. It had a wide range of extent (3.9-34.7%) and locations. An ischaemic pattern was present in 20/31 (64.5%) patients. There was an alternative explanation for the non-ischaemic LGE in 7/11 (63.6%) patients. In the age-matched patients who received neither anthracyclines nor trastuzumab, the prevalence of LGE was higher at 27.0%, while the extent of LGE and the proportion with ischaemic pattern were not different. CONCLUSION: LGE was present in only a minority. Its patterns and locations did not fit into a single unique profile. It had alternative explanations in virtually all cases. Finally, LGE was also present in cancerpatients who received neither anthracyclines nor trastuzumab. Therefore, treatment with anthracyclines and/or trastuzumab is unlikely to be associated with LGE. The absence of LGE can help distinguish anthracycline- and/or trastuzumab-related cardiomyopathy from unrelated cardiomyopathies. Published on behalf of the European Society of Cardiology. All rights reserved.
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