Literature DB >> 28258243

Health literacy and warfarin therapy at two anticoagulation clinics in Brazil.

Maria Auxiliadora Parreiras Martins1,2, Josiane Moreira Costa3, Juliana Vaz de Melo Mambrini4, Antonio Luiz Pinho Ribeiro5, Emelia J Benjamin6,2,7, Luisa Campos Caldeira Brant5, Michael K Paasche-Orlow8, Jared W Magnani9.   

Abstract

OBJECTIVE: Health literacy has been related to health-related conditions and health outcomes. Studies examining the association of health literacy and anticoagulation have had variable results. We sought to investigate the relations of health literacy and percentage of time in therapeutic range (TTR) in a vulnerable Brazilian cohort at two hospital-based anticoagulation clinics.
METHODS: We measured health literacy with the Short Assessment of Health Literacy for Portuguese-speaking Adults (SAHLPA-18) in 2015-2016. We identified the demographic and clinical characteristics associated with health literacy and related health literacy to TTR.
RESULTS: We enrolled 422 adults prescribed chronic warfarin therapy in our observational study (median age 62.1 years; 58.8% women; monthly income $200.00). The prevalence of inadequate health literacy (score 0-14 points) was 72.3% with a median score of 12 (quartiles, Q1=10; Q3=15) on the SAHLPA-18. The median TTR was 66.1%. In the multivariable logistic analysis, cognitive impairment and assistance with taking warfarin were associated with inadequate health literacy. Prosthetic heart valves and more school years were associated with adequate health literacy. Our analyses showed no significant relation between health literacy and TTR, analysing health literacy as a categorical (adjusted OR 1.05; 95% CI 0.65 to 1.70) or continuous variable (Spearman's coefficient 0.02; p=0.70).
CONCLUSIONS: Inadequate health literacy was highly prevalent in this impoverished Brazilian cohort receiving anticoagulation with warfarin. However, we did not identify an association between health literacy and TTR. Future investigations may consider the systemic factors that contribute towards successful anticoagulation outcomes for vulnerable patient cohorts with inadequate health literacy. © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

Entities:  

Keywords:  anticoagulants; health literacy; health services; heart diseases; teaching hospitals; warfarin

Mesh：

Substances：

Year:  2017        PMID： 28258243      PMCID： PMC5595143          DOI： 10.1136/heartjnl-2016-310699

Source DB:  PubMed          Journal:  Heart        ISSN： 1355-6037            Impact factor:   5.994


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2.  Short Assessment of Health Literacy for Portuguese-speaking Adults.

Authors:  Daniel Apolinario; Rafaela de Castro Oliveira Pereira Braga; Regina Miksian Magaldi; Alexandre Leopold Busse; Flavia Campora; Sonia Brucki; Shoou-Yih Daniel Lee
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4.  The association of health literacy with time in therapeutic range for patients on warfarin therapy.

Authors:  Christine U Oramasionwu; Stacy Cooper Bailey; Kristin E Duffey; Betsy Bryant Shilliday; Lori C Brown; Sheri A Denslow; Elizabeth Landrum Michalets
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Authors:  Dan Morrow; Dan Clark; Wanzhu Tu; Jingwei Wu; Michael Weiner; Douglas Steinley; Michael D Murray
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8.  Cognition and health literacy in patients with hypertension.

Authors:  Brian R Levinthal; Daniel G Morrow; Wanzhu Tu; Jingwei Wu; Michael D Murray
Journal:  J Gen Intern Med       Date:  2008-05-06       Impact factor: 5.128

9.  A method to determine the optimal intensity of oral anticoagulant therapy.

Authors:  F R Rosendaal; S C Cannegieter; F J van der Meer; E Briët
Journal:  Thromb Haemost       Date:  1993-03-01       Impact factor: 5.249

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Authors:  Robert P Giugliano; Christian T Ruff; Eugene Braunwald; Sabina A Murphy; Stephen D Wiviott; Jonathan L Halperin; Albert L Waldo; Michael D Ezekowitz; Jeffrey I Weitz; Jindřich Špinar; Witold Ruzyllo; Mikhail Ruda; Yukihiro Koretsune; Joshua Betcher; Minggao Shi; Laura T Grip; Shirali P Patel; Indravadan Patel; James J Hanyok; Michele Mercuri; Elliott M Antman
Journal:  N Engl J Med       Date:  2013-11-19       Impact factor: 91.245
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Journal:  Eur J Clin Pharmacol       Date:  2019-11-12       Impact factor: 2.953

2.  Cardiovascular Statistics - Brazil 2021.

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3.  Algorithm for predicting low maintenance doses of warfarin using age and polymorphisms in genes CYP2C9 and VKORC1 in Brazilian subjects.

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4.  Cardiovascular Statistics - Brazil 2020.

Authors:  Gláucia Maria Moraes de Oliveira; Luisa Campos Caldeira Brant; Carisi Anne Polanczyk; Andreia Biolo; Bruno Ramos Nascimento; Deborah Carvalho Malta; Maria de Fatima Marinho de Souza; Gabriel Porto Soares; Gesner Francisco Xavier Junior; M Julia Machline-Carrion; Marcio Sommer Bittencourt; Octavio M Pontes Neto; Odilson Marcos Silvestre; Renato Azeredo Teixeira; Roney Orismar Sampaio; Thomaz A Gaziano; Gregory A Roth; Antonio Luiz Pinho Ribeiro
Journal:  Arq Bras Cardiol       Date:  2020-09       Impact factor: 2.667

5.  Protocol of a clinical trial study involving educational intervention in patients treated with warfarin.

Authors:  Josiane Moreira da Costa; Milena Soriano Marcolino; Heloisa Carvalho Torres; Raissa Eda de Resende; Renan Pedra de Souza; Hannah Cardoso Barbosa; Daniel Dias Ribeiro; Maria Auxiliadora Parreiras Martins
Journal:  Medicine (Baltimore)       Date:  2019-05       Impact factor: 1.817

6.  Oral Health-Related Quality of Life in Anticoagulated Patients with Warfarin Treatment: A Cross-Sectional Study.

Authors:  Johana Alejandra Moreno-Drada; Alex Junio Silva da Cruz; Matheus Luis Soares de Faria; Luís Otávio Miranda Cota; Maria Auxiliadora Parreiras Martins; Isabela Almeida Pordeus; Mauro Henrique Nogueira Guimarães de Abreu
Journal:  Int J Environ Res Public Health       Date:  2021-04-02       Impact factor: 3.390

7.  Health literacy of patients on oral anticoagulation treatment- individual and social determinants and effect on health and treatment outcomes.

Authors:  Ana Cristina Cabellos-García; Antonio Martínez-Sabater; Miguel Ángel Díaz-Herrera; Vicente Gea-Caballero; Enrique Castro-Sánchez
Journal:  BMC Public Health       Date:  2021-07-09       Impact factor: 3.295

Review 8.  Relation between health literacy, self-care and adherence to treatment with oral anticoagulants in adults: a narrative systematic review.

Authors:  Ana Cristina Cabellos-García; Antonio Martínez-Sabater; Enrique Castro-Sánchez; Mari Kangasniemi; Raul Juárez-Vela; Vicente Gea-Caballero
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9.  Instruments for the assessment of patient adherence to oral anticoagulation with warfarin protocol for a systematic review.

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Journal:  Medicine (Baltimore)       Date:  2019-10       Impact factor: 1.817

10.  Anticoagulation Therapy in Patients with Non-valvular Atrial Fibrillation in a Private Setting in Brazil: A Real-World Study.

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Journal:  Arq Bras Cardiol       Date:  2020-03       Impact factor: 2.000
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