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Thromboembolism and bleeding risk scores and predictors of cardiac death in a population with atrial fibrillation

Overview of attention for article published in Arquivos Brasileiros de Cardiologia, May 2017
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Title
Thromboembolism and bleeding risk scores and predictors of cardiac death in a population with atrial fibrillation
Published in
Arquivos Brasileiros de Cardiologia, May 2017
DOI 10.5935/abc.20170064
Pubmed ID
Authors

Rose Mary Ferreira Lisboa da Silva, Pollyana Ardavicius e Silva, Marcos Correia Lima, Lívia Tanure Sant'Anna, Túlio Corrêa Silva, Pedro Henrique Vilela Moreira, Robert Moreira Gandra, Túlio Ramos Cavalcanti, Plínio Henrique Vaz Mourão

Abstract

Atrial fibrillation (AF) is a common arrhythmia, with risk of systemic embolism and death. It presents rheumatic etiology in up to 32% of developing countries, whose anticoagulation and evolution data are scarce. to determine the predictors of cardiac death considering the clinical profile, thromboembolism and bleeding scores of patients with AF of a single center, with high prevalence of rheumatic heart disease. 302 patients with AF were studied, mean age 58.1 years; 161 women; 96 pts with rheumatic etiology. Patients underwent clinical and laboratory evaluation, measurement of risk scores and the mean follow-up of 12.8 months. 174 were using warfarin. The averages of the HAS-BLED and ATRIA scores were 1.4 and 1.2, respectively. Percent time in therapeutic range of international normalized ratio was 45.8%. Thirty patients (9.9%) had cardiac death and 41 had some type of bleeding due to warfarin. By univariate analysis, there was statistical significance between cardiac death and permanent AF, blood pressure, systolic dysfunction, R2CHADS2, CCS, EHRA and HAS-BLED. There was no association with valvular AF. By multivariate analysis, systemic arterial and pulmonary artery pressures, classification CCS and systolic dysfunction showed statistical significance. There was no association between cardiac death and valvular AF. Independent predictors of cardiac death were low measures of blood pressure, higher score CCS classification and the presence of systolic ventricular dysfunction. A fibrilação atrial (FA) é uma arritmia comum, com risco de embolia sistêmica e morte. Apresenta etiologia reumática em até 32% dos países em desenvolvimento, cujos dados de anticoagulação e evolução são escassos. Verificar as variáveis preditoras de morte cardíaca (MC) conforme o perfil clínico, os escores de tromboembolismo e de sangramento dos pacientes com FA de uma única instituição universitária, com alta prevalência de cardiopatia reumática. Foram estudados 302 pts com FA, média de idade 58,1 anos; 161 mulheres; 96 pts com etiologia reumática. Os pts foram submetidos à avaliação clínica e laboratorial, ao cálculo dos escores de risco e ao seguimento clínico médio de 12,8 meses. 174 pts estavam em uso de varfarina. As médias dos escores HAS-BLED e ATRIA foram de 1,4 e de 1,2, respectivamente. O cálculo da fração dos valores da razão normalizada internacional dentro do intervalo terapêutico foi de 45,8%. Houve MC em 30 pts (9,9%) e 41 apresentaram algum tipo de hemorragia em decorrência do uso de varfarina. Pela análise univariada, houve significância estatística entre MC e FA permanente, pressões arteriais, disfunção sistólica, R2CHADS2, CCS, EHRA e HAS-BLED. Não houve associação com FA valvar. Por meio da análise multivariada, a pressão arterial sistêmica e da artéria pulmonar, a classificação CCS e a disfunção sistólica apresentavam significância estatística. Não houve associação entre MC e FA valvar. Os preditores independentes de MC foram medidas baixas de pressão arterial, escores mais elevados da classificação CCS e a presença de disfunção ventricular sistólica.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 19 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 19 100%

Demographic breakdown

Readers by professional status Count As %
Student > Postgraduate 2 11%
Student > Bachelor 1 5%
Researcher 1 5%
Student > Master 1 5%
Unknown 14 74%
Readers by discipline Count As %
Medicine and Dentistry 2 11%
Pharmacology, Toxicology and Pharmaceutical Science 1 5%
Social Sciences 1 5%
Biochemistry, Genetics and Molecular Biology 1 5%
Unknown 14 74%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 07 July 2017.
All research outputs
#16,725,651
of 25,382,440 outputs
Outputs from Arquivos Brasileiros de Cardiologia
#456
of 1,210 outputs
Outputs of similar age
#198,468
of 327,070 outputs
Outputs of similar age from Arquivos Brasileiros de Cardiologia
#5
of 16 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,210 research outputs from this source. They receive a mean Attention Score of 4.0. This one has gotten more attention than average, scoring higher than 57% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 327,070 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 16 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 56% of its contemporaries.