Comorbidities against quality control of VKA therapy in non-valvular atrial fibrillation: a French national cross-sectional study.

Given the prevalence of non-valvular atrial fibrillation in the geriatric population, thromboembolic prevention by means of vitamin K antagonists (VKA) is one of the most frequent daily concerns of practitioners. The effectiveness and safety of treatment with VKA correlates directly with maximizing...

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Main Authors: Agnes Rouaud, Olivier Hanon, Anne-Sophie Boureau, Guillaume Chapelet, Laure de Decker
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2015-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4366229?pdf=render
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author Agnes Rouaud
Olivier Hanon
Anne-Sophie Boureau
Guillaume Chapelet
Laure de Decker
author_facet Agnes Rouaud
Olivier Hanon
Anne-Sophie Boureau
Guillaume Chapelet
Laure de Decker
author_sort Agnes Rouaud
collection DOAJ
description Given the prevalence of non-valvular atrial fibrillation in the geriatric population, thromboembolic prevention by means of vitamin K antagonists (VKA) is one of the most frequent daily concerns of practitioners. The effectiveness and safety of treatment with VKA correlates directly with maximizing the time in therapeutic range, with an International Normalized Ratio (INR) of 2.0-3.0. The older population concentrates many of factors known to influence INR rate, particularly concomitant medications and concurrent medical conditions, also defined as comorbidities.Determine whether a high burden on comorbidities, defined by a Charlson Comorbidity Index (CCI) of 3 or greater, is associated a lower quality of INR control.Cross-sectional study.French geriatric care units nationwide.2164 patients aged 80 and over and treated with vitamin K antagonists.Comorbidities were assessed using the Charlson Comorbidity Index (CCI). The recorded data included age, sex, falls, kidney failure, hemorrhagic event, VKA treatment duration, and the number and type of concomitant medications. Quality of INR control, defined as time in therapeutic range (TTR), was assessed using the Rosendaal method.487 patients were identified the low-quality control of INR group. On multivariate logistic regression analysis, low-quality control of INR was independently associated with a CCI ≥3 (OR = 1.487; 95% CI [1.15; 1.91]). The other variables associated with low-quality control of INR were: hemorrhagic event (OR = 3.151; 95% CI [1.64; 6.07]), hospitalization (OR = 1.614, 95% CI [1.21; 2.14]).An elevated CCI score (≥3) was associated with low-quality control of INR in elderly patients treated with VKA. Further research is needed to corroborate this finding.
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spelling doaj.art-2384bddcbae946739f50376c79d4a5a52022-12-21T23:40:15ZengPublic Library of Science (PLoS)PLoS ONE1932-62032015-01-01103e011904310.1371/journal.pone.0119043Comorbidities against quality control of VKA therapy in non-valvular atrial fibrillation: a French national cross-sectional study.Agnes RouaudOlivier HanonAnne-Sophie BoureauGuillaume ChapeletLaure de DeckerGiven the prevalence of non-valvular atrial fibrillation in the geriatric population, thromboembolic prevention by means of vitamin K antagonists (VKA) is one of the most frequent daily concerns of practitioners. The effectiveness and safety of treatment with VKA correlates directly with maximizing the time in therapeutic range, with an International Normalized Ratio (INR) of 2.0-3.0. The older population concentrates many of factors known to influence INR rate, particularly concomitant medications and concurrent medical conditions, also defined as comorbidities.Determine whether a high burden on comorbidities, defined by a Charlson Comorbidity Index (CCI) of 3 or greater, is associated a lower quality of INR control.Cross-sectional study.French geriatric care units nationwide.2164 patients aged 80 and over and treated with vitamin K antagonists.Comorbidities were assessed using the Charlson Comorbidity Index (CCI). The recorded data included age, sex, falls, kidney failure, hemorrhagic event, VKA treatment duration, and the number and type of concomitant medications. Quality of INR control, defined as time in therapeutic range (TTR), was assessed using the Rosendaal method.487 patients were identified the low-quality control of INR group. On multivariate logistic regression analysis, low-quality control of INR was independently associated with a CCI ≥3 (OR = 1.487; 95% CI [1.15; 1.91]). The other variables associated with low-quality control of INR were: hemorrhagic event (OR = 3.151; 95% CI [1.64; 6.07]), hospitalization (OR = 1.614, 95% CI [1.21; 2.14]).An elevated CCI score (≥3) was associated with low-quality control of INR in elderly patients treated with VKA. Further research is needed to corroborate this finding.http://europepmc.org/articles/PMC4366229?pdf=render
spellingShingle Agnes Rouaud
Olivier Hanon
Anne-Sophie Boureau
Guillaume Chapelet
Laure de Decker
Comorbidities against quality control of VKA therapy in non-valvular atrial fibrillation: a French national cross-sectional study.
PLoS ONE
title Comorbidities against quality control of VKA therapy in non-valvular atrial fibrillation: a French national cross-sectional study.
title_full Comorbidities against quality control of VKA therapy in non-valvular atrial fibrillation: a French national cross-sectional study.
title_fullStr Comorbidities against quality control of VKA therapy in non-valvular atrial fibrillation: a French national cross-sectional study.
title_full_unstemmed Comorbidities against quality control of VKA therapy in non-valvular atrial fibrillation: a French national cross-sectional study.
title_short Comorbidities against quality control of VKA therapy in non-valvular atrial fibrillation: a French national cross-sectional study.
title_sort comorbidities against quality control of vka therapy in non valvular atrial fibrillation a french national cross sectional study
url http://europepmc.org/articles/PMC4366229?pdf=render
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AT annesophieboureau comorbiditiesagainstqualitycontrolofvkatherapyinnonvalvularatrialfibrillationafrenchnationalcrosssectionalstudy
AT guillaumechapelet comorbiditiesagainstqualitycontrolofvkatherapyinnonvalvularatrialfibrillationafrenchnationalcrosssectionalstudy
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