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Comparison of Patients' Phenotypes, Guideline- Directed Recommendations Compliance and Rates of Cardiotoxicity between Caribbean and United States Cardio-oncology Programs
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DOI：10.5334/gh.1153.png)
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Abstract
En 中文
Background: Little is known about the characteristics of oncological patients, cancer therapy-induced cardiotoxicity, and guidelines-directed interventions in the Caribbean; analysis of cardio-oncology services may shed light on this and clarify links between ethnicity, cultural, and local socioeconomic factors.Objectives: This study compared patients' phenotypes, adherence to guidelines recommendations, and patterns of cardiotoxicity between two cardio-oncology programs: one in the Dominican Republic (DR) and the other in Chicago IL, United States (US).Methods: Patients being considered for or treated with potentially cardiotoxic drugs were followed before, during, and after chemotherapy through both cardio-oncology clinics, where we recorded and compared clinical, demographic, and echocardiographic data.Results: We studied 597 consecutive patients, 330 (55%) from the DR and 267 (45%) from the US. DR vs. US mean age 55 +/- 13 / 52 +/- 13 years; female 77 / 87% (p < 0.001); breast cancer 57 / 73% (p < 0.001); treated with anthracyclines + taxanes 47 / 40% (p = 0.151); monoclonal antibodies + taxanes or platins 37 / 45% (p < 0.001). Cardiotoxicity DR vs. US occurred in 15 / 7% (p = 0.001); multivariate logistic regression (OR 2.29; 95% CI, 1.31-3.99; p < 0.005) did not identify age >60, HTN, DM, BMI, tobacco or chemotherapy as predictors. Compliance with ASCO guidelines was similar among both cohorts.Conclusion: Compared to the US cohort, the Caribbean cohort of cancer patients has similar rates of CV risk factors but a higher likelihood of developing drug-induced LV dysfunction. Programs' compliance with ASCO guidelines was equivalent. While further research is needed to ascertain regional variations of cardiotoxicity, these findings underline the relevance of cardio-oncology services in nations with limited resources and high CV risk.
Keywords:
Cardio-Oncology
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