MONICA SAMUEL AVILA GRINBERG

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Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina - Médico
LIM/11 - Laboratório de Cirurgia Cardiovascular e Fisiopatologia da Circulação, Hospital das Clínicas, Faculdade de Medicina

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Colaboração internacional: Holanda × Assunto: Cardiac & Cardiovascular Systems ×

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  • article 1 Citação(ões) na Scopus
    Renin-angiotensin System Antagonists and Beta-blockers in Prevention of Anthracycline Cardiotoxicity: a Systematic Review and Meta-analysis
    (2023) AVILA, Monica Samuel; SIQUEIRA, Suellen Rodrigues Rangel; WALDECK, Lucas; AYUB-FERREIRA, Silvia Moreira; TAKX, Richard; BITTENCOURT, Marcio Sommer; BOCCHI, Edimar Alcides
    Background: The evidence supporting the use of renin-angiotensin-aldosterone system (RAAS) inhibitors and beta-blockers for the prevention of anthracycline-induced cardiomyopathy is controversial. Objective: We performed a meta-analysis to assess the effectiveness of these drugs in preventing cardiotoxicity. Methods: The meta-analysis included prospective, randomized studies in adults receiving anthracycline chemotherapy and compared the use of RAAS inhibitors or beta-blockers versus placebo with a follow-up of 6 to 18 months. The primary outcome was change in left ventricular ejection fraction (LVEF) during chemotherapy. Secondary outcomes were the incidence of heart failure, all-cause mortality, and changes in end-diastolic measurement. Heterogeneity was assessed by stratification and meta-regression. A significance level of p < 0.05 was adopted. Results: The search resulted in 17 studies, totaling 1,530 patients. The variation (delta) in LVEF was evaluated in 14 studies. Neurohormonal therapy was associated with a lower delta in pre- versus post-therapy LVEF (weighted mean difference 4.42 [95% confidence interval2.3 to 6.6]) and higher final LVEF (p < 0.001). Treatment resulted in a lower incidence of heart failure (risk ratio 0.45 [95% confidence interval0.3 to 0.7]). There was no effect on mortality (p = 0.3). For analysis of LVEF, substantial heterogeneity was documented, which was not explained by the variables explored in the study. Conclusion: The use of RAAS inhibitors and beta-blockers to prevent anthracycline-induced cardiotoxicity was associated with less pronounced reduction in LVEF, higher final LVEF, and lower incidence of heart failure. No changes in mortalitywere observed. (CRD PROSPERO 42019133615)