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Screening of Myocardial Cardiotoxicity Induced by Anticancer Chemotherapy and the Importance of Global Longitudinal Strain

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World Journal of Cardiovascular Diseases 2024年第6期14卷 381-391页

作者： Marguerite Téning Diouf Fatou Aw Hussein Khadra Sophie Ba Doudou Diouf michel ngonar sarr Joseph Salvador Mingou Malick Ndiaye Simon Antoine sarr Momar Dioum Aliou Alassane Ngaide Serigne Mor Beye Simon Manga Alain Affangla Youssou Diouf Khadimu Rassoul Diop Malick Bodian Mohamed Leye Mouhamadou Bamba Ndiaye Alassane Mbaye Adama Kane Maboury Diao Abdoul Kane Cardiology Department of the Dalal Jamm Hospital Dakar Senegal Cardiology Department Hospital Aristide Le Dantec Dakar Senegal Cardiology Department Hospital Fann Dakar Senegal UFR2S Saint Louis Saint Louis Senegal UFR Ziguinchor Ziguinchor Senegal Training and Research in Health Sciences Unit University of Thies Thies Senegal Cardiology Department Hospital General Idrissa Pouye Dakar Senegal

Introduction: The improvement of survival in patients with cancer and the expansion of therapeutic options have led to the emergence of a new profile of cardiotoxicity, specifically associated with antimitotic agents. Our study aimed to assess the incidence of chemotherapy-induced myocardial toxicity in patients with cancer. Patients and Methods: We conducted a looking-forward longitudinal cohort study including all patients admitted to the Cardiology departments of Aristide le Dantec Hospital and Dalal Jamm National Hospital Centre for apre-chemotherapy check-up. The included patients did not undergo any pre-existing cardiopathy. Results: Over a period of two years ranging from January 2019 to December 2021, a total of 37 patients were included in the study. Notably, there was a female predominance (92%) with an average age of 49.7 years ± 13.69. Breast cancer accounted for 70% of the neoplasms. Laboratory findings revealed moderate anemia in 19 patients (51%). At inclusion, the left ventricle (LV) was of normal size (LV diastole at 44.46 ± 4.97 mm). The systolic function of the left ventricle was normal in all patients, with an average ejection fraction (EF) of 63.1% ± 5.80 and a mean global longitudinal strain (GLS) of −20.4% ± 2.58. The most commonly used agents were anthracyclines. During follow-up, 3 patients (8.1%) developed clinical symptoms of left heart failure, and LV dysfunction on echocardiography was observed in 5 (13.5%) patients, with a significant decrease in EF Conclusion: The incidence of cardiac toxicity is not negligible, hence the importance of early screening. Strain imaging is an essential tool that should be performed as part of the assessment before chemotherapy and re-evaluated during treatment.

关键词： Cancer Chemotherapy Global Longitudinal Strain Cardiotoxicity

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