Comparison of Patients' Phenotypes, Guideline-Directed Recommendations Compliance and Rates of Cardiotoxicity between Caribbean and United States Cardio-oncology Programs

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 socioecon...

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Main Authors: Pamela Piña (Author), Amparo Taveras (Author), Amir Khan (Author), Justin Coyle (Author), Victor Bueno (Author), Nishit Shah (Author), Luis Cuello (Author), Santiago Collado (Author), Ann Mauer (Author), Sorin Danciu (Author), Cesar J. Herrera (Author)
Format: Book
Published: Ubiquity Press, 2022-09-01T00:00:00Z.
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Summary: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.
Item Description:2211-8179
10.5334/gh.1153