Dabigatran and warfarin in nonvalvular atrial fibrillation or atrial flutter in outpatient clinic practice in Brazil

ABSTRACT Objectives: To compare warfarin and dabigatran for thromboembolic event prevention in patients with nonvalvular atrial fibrillation or atrial flutter. Methods: This was a retrospective cohort of participants with nonvalvular atrial fibrillation or atrial flutter using either warfarin or d...

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Main Authors: Jean Michell Correia Monteiro, Daniel Lordelo San-Martin, Beatriz Carneiro Gondim Silva, Ian Felipe Barbosa Souza, Jamary Oliveira Filho, Pedro Jesus
Format: Article
Language:English
Published: Thieme Revinter Publicações
Series:Arquivos de Neuro-Psiquiatria
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Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2019000200080&lng=en&tlng=en
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author Jean Michell Correia Monteiro
Daniel Lordelo San-Martin
Beatriz Carneiro Gondim Silva
Ian Felipe Barbosa Souza
Jamary Oliveira Filho
Pedro Jesus
author_facet Jean Michell Correia Monteiro
Daniel Lordelo San-Martin
Beatriz Carneiro Gondim Silva
Ian Felipe Barbosa Souza
Jamary Oliveira Filho
Pedro Jesus
author_sort Jean Michell Correia Monteiro
collection DOAJ
description ABSTRACT Objectives: To compare warfarin and dabigatran for thromboembolic event prevention in patients with nonvalvular atrial fibrillation or atrial flutter. Methods: This was a retrospective cohort of participants with nonvalvular atrial fibrillation or atrial flutter using either warfarin or dabigatran in a reference center in Brazil. Results: There were 112 patients (mean age 65.5 years), with 55.3% using warfarin. The median duration of follow-up was 1.9 years for warfarin and 1.6 years for dabigatran (p = 0.167). Warfarin patients had a higher median of medical appointments per year (8.3 [6.8-10.4] vs 3.1 [2.3-4.2], p < 0.001) and the frequency of minor bleeding was more than four times higher (17.7% vs 4.0%, p = 0.035). Among patients with prior stroke, those using warfarin had 2.6 times more medical appointments for person-years of follow-up (8.5 vs 3.3). There was no major bleeding or embolic event during follow-up period. Conclusion: The dabigatran group had a lower frequency of minor bleeding and number of medical appointments than the warfarin group, without more embolic events or major bleeding.
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spelling doaj-art-6c1cd9858f004ee4be8c6088da34ea4b2025-08-20T03:33:46ZengThieme Revinter PublicaçõesArquivos de Neuro-Psiquiatria1678-4227772808310.1590/0004-282x20190005S0004-282X2019000200080Dabigatran and warfarin in nonvalvular atrial fibrillation or atrial flutter in outpatient clinic practice in BrazilJean Michell Correia MonteiroDaniel Lordelo San-MartinBeatriz Carneiro Gondim SilvaIan Felipe Barbosa SouzaJamary Oliveira FilhoPedro JesusABSTRACT Objectives: To compare warfarin and dabigatran for thromboembolic event prevention in patients with nonvalvular atrial fibrillation or atrial flutter. Methods: This was a retrospective cohort of participants with nonvalvular atrial fibrillation or atrial flutter using either warfarin or dabigatran in a reference center in Brazil. Results: There were 112 patients (mean age 65.5 years), with 55.3% using warfarin. The median duration of follow-up was 1.9 years for warfarin and 1.6 years for dabigatran (p = 0.167). Warfarin patients had a higher median of medical appointments per year (8.3 [6.8-10.4] vs 3.1 [2.3-4.2], p < 0.001) and the frequency of minor bleeding was more than four times higher (17.7% vs 4.0%, p = 0.035). Among patients with prior stroke, those using warfarin had 2.6 times more medical appointments for person-years of follow-up (8.5 vs 3.3). There was no major bleeding or embolic event during follow-up period. Conclusion: The dabigatran group had a lower frequency of minor bleeding and number of medical appointments than the warfarin group, without more embolic events or major bleeding.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2019000200080&lng=en&tlng=enDabigatranavarfarinafibrilação atrialflutter atrialacidente vascular cerebral
spellingShingle Jean Michell Correia Monteiro
Daniel Lordelo San-Martin
Beatriz Carneiro Gondim Silva
Ian Felipe Barbosa Souza
Jamary Oliveira Filho
Pedro Jesus
Dabigatran and warfarin in nonvalvular atrial fibrillation or atrial flutter in outpatient clinic practice in Brazil
Arquivos de Neuro-Psiquiatria
Dabigatrana
varfarina
fibrilação atrial
flutter atrial
acidente vascular cerebral
title Dabigatran and warfarin in nonvalvular atrial fibrillation or atrial flutter in outpatient clinic practice in Brazil
title_full Dabigatran and warfarin in nonvalvular atrial fibrillation or atrial flutter in outpatient clinic practice in Brazil
title_fullStr Dabigatran and warfarin in nonvalvular atrial fibrillation or atrial flutter in outpatient clinic practice in Brazil
title_full_unstemmed Dabigatran and warfarin in nonvalvular atrial fibrillation or atrial flutter in outpatient clinic practice in Brazil
title_short Dabigatran and warfarin in nonvalvular atrial fibrillation or atrial flutter in outpatient clinic practice in Brazil
title_sort dabigatran and warfarin in nonvalvular atrial fibrillation or atrial flutter in outpatient clinic practice in brazil
topic Dabigatrana
varfarina
fibrilação atrial
flutter atrial
acidente vascular cerebral
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2019000200080&lng=en&tlng=en
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