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Problemas Relacionados à Trombocitopenia em Pacientes com Fibrilação Atrial Concomitante que Necessitam de Prevenção Antitrombótica: Um Estudo de Coorte Retrospectivo / Thrombocytopenia-Related Problems in Patients with Concomitant Atrial Fibrillation Requiring Antithrombotic Prevention: A Retrospective Cohort Study
Vecchis, Renato De; Paccone, Andrea; Soreca, Silvia.
  • Vecchis, Renato De; DSB 29 S. Gennaro dei Poveri Hospital. Medical and Polyspecialist Centre. Naples. IT
  • Paccone, Andrea; University of Bari Aldo Moro. Department of Cardiology. Bari. IT
  • Soreca, Silvia; DSB 29 S. Gennaro dei Poveri Hospital. Medical and Polyspecialist Centre. Naples. IT
Arq. bras. cardiol ; 115(4): 717-718, out. 2020.
Article in Portuguese | SES-SP, LILACS | ID: biblio-1131352
RESUMO
Resumo Baixas doses de edoxabana e enoxaparina sódica foram objeto de uma comparação retrospectiva implementada com a técnica do escore de propensão a fim de mitigar os efeitos das diferenças nas características clínicas basais de duas coortes e minimizar o risco de viés. Posteriormente, usando um modelo de riscos proporcionais de Cox, avaliou-se a associação de cada tipo de terapia com o risco do composto de morte por todas as causas, acidente vascular cerebral/ataque isquêmico transitório, hospitalizações e ocorrência de sangramentos maiores. Para essa análise, um valor de p < 0,05 foi considerado estatisticamente significante. A terapia com enoxaparina e cirrose hepática como causadora de trombocitopenia estiveram associadas ao aumento do risco do endpoint composto (enoxaparina hazard ratio (HR) 3,31; IC 95% 1,54 a 7,13; p = 0,0023; cirrose hepática, HR 1,04; 95% CI 1,002 a 1,089; p = 0,0410). Por outro lado, a terapia com edoxabana mostrou-se significativamente associada à diminuição do risco do endpoint composto (HR 0,071; 95% CI 0,013 a 0,373; p = 0,0019). Com base nessa análise retrospectiva, o edoxaban em doses baixas seria uma ferramenta farmacológica segura e eficaz para a profilaxia de eventos cardioembólicos em pacientes com FA e trombocitopenia.
ABSTRACT
Abstract Low-dose edoxaban and enoxaparin sodium have been the subject of a retrospective comparison implemented with the propensity score technique in order to mitigate the effects of the differences in the basal clinical features of two cohorts and minimize the risk of bias. Subsequently, using a Cox proportional-hazards model, the association of each type of therapy with the risk of the composite of all-cause death, stroke/transient ischemic attack, hospitalizations and major bleeding events was assessed. For this analysis, a p-value < 0.05 was considered statistically significant. Therapy with enoxaparin and liver cirrhosis as causing thrombocytopenia were associated with increased risk of the composite endpoint (enoxaparin hazard ratio (HR) 3.31; 95% CI 1.54 to 7.13; p = 0.0023; liver cirrhosis, HR 1.04; 95% CI 1.002 to 1.089; p = 0.0410). Conversely, edoxaban therapy was significantly associated with decreased risk of the composite endpoint (HR 0.071; 95% CI 0.013 to 0.373; p = 0.0019). Based on this retrospective analysis, edoxaban at low doses would appear as an effective and safe pharmacological tool for the prophylaxis of cardioembolic events in patients with AF and thrombocytopenia.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Atrial Fibrillation / Thrombocytopenia / Stroke Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Humans Language: Portuguese Journal: Arq. bras. cardiol Year: 2020 Type: Article Institution/Affiliation country: DSB 29 S. Gennaro dei Poveri Hospital/IT / University of Bari Aldo Moro/IT

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Full text: Available Index: LILACS (Americas) Main subject: Atrial Fibrillation / Thrombocytopenia / Stroke Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Humans Language: Portuguese Journal: Arq. bras. cardiol Year: 2020 Type: Article Institution/Affiliation country: DSB 29 S. Gennaro dei Poveri Hospital/IT / University of Bari Aldo Moro/IT