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Patients hospitalised for MI in 2008 were identified&#44; and then their reimbursement form of DAT for the subsequent 12 months was reviewed&#46; Adherence was assessed by using the proportion of days covered by the treatment and persistence&#46; Among the 634 patients included in the study&#44; 34 had no reimbursement for DAT immediately after discharge&#46; For the remaining patients&#44; the probability of stopping DAT at least for one month was 18&#46;6&#37; &#40;95&#37; CI &#91;15&#46;4&#59;21&#46;8&#93;&#41; during the first three months and 49&#46;1&#37; &#40;95&#37; CI &#91;44&#46;9&#59;53&#46;2&#93;&#41; at 12 months&#44; although the medication availability was 90&#37;&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Conclusions&#58;</span> These results suggest that while this medication is available to patients&#44; the treatment is often stopped before one year&#46; This may account for what has been reported as &#8220;resistance&#8221; to antiplatelet therapy described in a subset of patients&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle">Coment&#225;rio</span><p id="par0035" class="elsevierStylePara elsevierViewall">O resultado cl&#237;nico de determinadas orienta&#231;&#245;es terap&#234;uticas est&#225; muito dependente de elementos n&#227;o control&#225;veis&#44; de que se destaca a ader&#234;ncia &#224; terap&#234;utica&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">A introdu&#231;&#227;o dos <span class="elsevierStyleItalic">stents</span> eluidores de f&#225;rmacos &#40;DES&#41; e a sua utiliza&#231;&#227;o de forma muito generalizada no tratamento de doentes com doen&#231;a card&#237;aca isqu&#233;mica submetidos a PCI&#44; veio ilustrar a import&#226;ncia deste elemento na concretiza&#231;&#227;o dos resultados cl&#237;nicos esperados&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">Reconhece-se a import&#226;ncia da antiagrega&#231;&#227;o dupla &#40;DAT&#41; no sucesso da implanta&#231;&#227;o de <span class="elsevierStyleItalic">stents</span> e&#44; particularmente de DES&#44; ao evitar o desenvolvimento de trombose nas v&#225;rias janelas temporais&#58; aguda&#44; subaguda&#44; tardia e muito tardia&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">Reconhece-se que a exist&#234;ncia de condi&#231;&#245;es de resist&#234;ncia ao antiagregantes plaquet&#225;rios &#40;AAS e clopidogrel&#41; presentes em percentagens que podem atingir os 20&#37; &#40;clopidogrel&#41;&#44; condicionam o progn&#243;stico&#44; determinando taxas de trombose de <span class="elsevierStyleItalic">stent</span> muito mais elevada do que a restante popula&#231;&#227;o submetida &#224; implanta&#231;&#227;o de DES&#46; No entanto&#44; &#233; muitas vezes dif&#237;cil identificar se as complica&#231;&#245;es tromb&#243;ticas desenvolvidas se associam a uma real resist&#234;ncia aos f&#225;rmacos ou&#44; pelo contr&#225;rio&#44; resultam de uma m&#225; ader&#234;ncia &#224; medica&#231;&#227;o&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Lembramos que estas complica&#231;&#245;es tromb&#243;ticas est&#227;o associadas a muito mau progn&#243;stico&#44; resultando em cerca de dois ter&#231;os dos casos em enfarte do mioc&#225;rdio e&#47;ou em morte&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall">O artigo por n&#243;s selecionado procura identificar&#44; numa popula&#231;&#227;o com enfarte do mioc&#225;rdio tratada por angioplastia coron&#225;ria com implanta&#231;&#227;o de <span class="elsevierStyleItalic">stent</span>&#44; para a qual estava preconizada a utiliza&#231;&#227;o de DAT por 12 meses&#44; a taxa de ades&#227;o &#224; terap&#234;utica conforme preconizado pelos cardiologistas assistentes e definido pelas <span class="elsevierStyleItalic">guidelines</span> das sociedades cient&#237;ficas&#46;</p><p id="par0065" class="elsevierStylePara elsevierViewall">A popula&#231;&#227;o em estudo &#233; um grupo selecionado usando a informa&#231;&#227;o da base de dados do sistema de reembolso do seguro de sa&#250;de do sudoeste de Fran&#231;a &#40;634 doentes&#41;&#46;</p><p id="par0070" class="elsevierStylePara elsevierViewall">Dos resultados mais importantes deste estudo&#44; destacam-se os seguintes&#58; 1&#41; Aos 3 meses ap&#243;s enfarte agudo do mioc&#225;rdio &#40;EAM&#41; &#43;PCI&#44; a probabilidade de ter sido interrompida a DAT&#44; pelo menos&#44; durante um m&#234;s foi de 20&#37;&#59; 2&#41; Aos 12 meses a probabilidade de interromper a DAT durante&#44; pelo menos&#44; um m&#234;s foi de 50&#37;&#59; 3&#41; A taxa de recorr&#234;ncia de enfarte foi maior na popula&#231;&#227;o que foi aderente ao reg&#237;men&#44; quando comparada com a popula&#231;&#227;o n&#227;o aderente&#59; e 4&#41; O in&#237;cio da utiliza&#231;&#227;o da DAT foi elevada&#44; com 94&#44;6&#37; dos doentes a cumprirem a prescri&#231;&#227;o dos dois antiagregantes durante os primeiros 30 dias ap&#243;s hospitaliza&#231;&#227;o&#46;</p><p id="par0075" class="elsevierStylePara elsevierViewall">Destes resultados destacam-se&#44; na nossa opini&#227;o&#44; tr&#234;s mensagens&#58; a primeira &#233; que a taxa de ades&#227;o &#224; DAT durante 12 meses &#233; baixa&#59; a segunda &#233; que a ader&#234;ncia no in&#237;cio do tratamento &#233; elevada&#59; e a terceira&#44; &#233; que ser&#227;o provavelmente nos doentes com decursos cl&#237;nicos menos complicados e com doen&#231;a coron&#225;ria mais benigna que se encontra a maior taxa de abandono da terap&#234;utica prescrita&#46;</p><p id="par0080" class="elsevierStylePara elsevierViewall">Este &#233; um assunto que merece a reflex&#227;o de todos os envolvidos no tratamento destes doentes&#44; uma vez que s&#243; com a sua educa&#231;&#227;o adequada ap&#243;s PCI &#233; que conseguiremos taxas de abandono menores&#44; contribuindo com este fator para uma diminui&#231;&#227;o das complica&#231;&#245;es tromb&#243;ticas associados &#224; implanta&#231;&#227;o de <span class="elsevierStyleItalic">stents</span>&#46; Por outro lado&#44; cada vez mais temos a perce&#231;&#227;o de que muitas das complica&#231;&#245;es tromb&#243;ticas tardias ou muito tardias adjudicadas aos DES e encontradas nos estudos e particularmente nos registos&#44; ter&#227;o como respons&#225;vel esta condi&#231;&#227;o&#58; a m&#225; ades&#227;o &#224; terap&#234;utica&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle">Conflito de interesses</span><p id="par0085" class="elsevierStylePara elsevierViewall">Os autores declaram n&#227;o haver conflito de interesses&#46;</p></span></span>"
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Recommended Article of the Month
Comment on «Dual antiplatelet therapy after myocardial infarction and percutaneous coronary intervention: analysis of patient adherence using a French health insurance reimbursement database»
Henrique Cyrne Carvalho
Corpo Redatorial da Revista Portuguesa de Cardiologia
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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall"><elsevierMultimedia ident="tb0005"></elsevierMultimedia></p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle">Abstract</span><p id="par0020" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Aims&#58;</span> Current guidelines recommend the use of dual antiplatelet therapy &#40;DAT&#41; &#40;aspirin&#43;clopidogrel&#41; for patients after acute myocardial infarction &#40;MI&#41;&#46; In relation to this&#44; we sought to examine the adherence to this recommended treatment regimen in a population of patients admitted with MI and subsequent percutaneous coronary intervention &#40;PCI&#41;&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Methods and results&#58;</span> A cohort study was conducted using data from the main health insurance reimbursement database of South West France&#46; Patients hospitalised for MI in 2008 were identified&#44; and then their reimbursement form of DAT for the subsequent 12 months was reviewed&#46; Adherence was assessed by using the proportion of days covered by the treatment and persistence&#46; Among the 634 patients included in the study&#44; 34 had no reimbursement for DAT immediately after discharge&#46; For the remaining patients&#44; the probability of stopping DAT at least for one month was 18&#46;6&#37; &#40;95&#37; CI &#91;15&#46;4&#59;21&#46;8&#93;&#41; during the first three months and 49&#46;1&#37; &#40;95&#37; CI &#91;44&#46;9&#59;53&#46;2&#93;&#41; at 12 months&#44; although the medication availability was 90&#37;&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Conclusions&#58;</span> These results suggest that while this medication is available to patients&#44; the treatment is often stopped before one year&#46; This may account for what has been reported as &#8220;resistance&#8221; to antiplatelet therapy described in a subset of patients&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle">Coment&#225;rio</span><p id="par0035" class="elsevierStylePara elsevierViewall">O resultado cl&#237;nico de determinadas orienta&#231;&#245;es terap&#234;uticas est&#225; muito dependente de elementos n&#227;o control&#225;veis&#44; de que se destaca a ader&#234;ncia &#224; terap&#234;utica&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">A introdu&#231;&#227;o dos <span class="elsevierStyleItalic">stents</span> eluidores de f&#225;rmacos &#40;DES&#41; e a sua utiliza&#231;&#227;o de forma muito generalizada no tratamento de doentes com doen&#231;a card&#237;aca isqu&#233;mica submetidos a PCI&#44; veio ilustrar a import&#226;ncia deste elemento na concretiza&#231;&#227;o dos resultados cl&#237;nicos esperados&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">Reconhece-se a import&#226;ncia da antiagrega&#231;&#227;o dupla &#40;DAT&#41; no sucesso da implanta&#231;&#227;o de <span class="elsevierStyleItalic">stents</span> e&#44; particularmente de DES&#44; ao evitar o desenvolvimento de trombose nas v&#225;rias janelas temporais&#58; aguda&#44; subaguda&#44; tardia e muito tardia&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">Reconhece-se que a exist&#234;ncia de condi&#231;&#245;es de resist&#234;ncia ao antiagregantes plaquet&#225;rios &#40;AAS e clopidogrel&#41; presentes em percentagens que podem atingir os 20&#37; &#40;clopidogrel&#41;&#44; condicionam o progn&#243;stico&#44; determinando taxas de trombose de <span class="elsevierStyleItalic">stent</span> muito mais elevada do que a restante popula&#231;&#227;o submetida &#224; implanta&#231;&#227;o de DES&#46; No entanto&#44; &#233; muitas vezes dif&#237;cil identificar se as complica&#231;&#245;es tromb&#243;ticas desenvolvidas se associam a uma real resist&#234;ncia aos f&#225;rmacos ou&#44; pelo contr&#225;rio&#44; resultam de uma m&#225; ader&#234;ncia &#224; medica&#231;&#227;o&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Lembramos que estas complica&#231;&#245;es tromb&#243;ticas est&#227;o associadas a muito mau progn&#243;stico&#44; resultando em cerca de dois ter&#231;os dos casos em enfarte do mioc&#225;rdio e&#47;ou em morte&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall">O artigo por n&#243;s selecionado procura identificar&#44; numa popula&#231;&#227;o com enfarte do mioc&#225;rdio tratada por angioplastia coron&#225;ria com implanta&#231;&#227;o de <span class="elsevierStyleItalic">stent</span>&#44; para a qual estava preconizada a utiliza&#231;&#227;o de DAT por 12 meses&#44; a taxa de ades&#227;o &#224; terap&#234;utica conforme preconizado pelos cardiologistas assistentes e definido pelas <span class="elsevierStyleItalic">guidelines</span> das sociedades cient&#237;ficas&#46;</p><p id="par0065" class="elsevierStylePara elsevierViewall">A popula&#231;&#227;o em estudo &#233; um grupo selecionado usando a informa&#231;&#227;o da base de dados do sistema de reembolso do seguro de sa&#250;de do sudoeste de Fran&#231;a &#40;634 doentes&#41;&#46;</p><p id="par0070" class="elsevierStylePara elsevierViewall">Dos resultados mais importantes deste estudo&#44; destacam-se os seguintes&#58; 1&#41; Aos 3 meses ap&#243;s enfarte agudo do mioc&#225;rdio &#40;EAM&#41; &#43;PCI&#44; a probabilidade de ter sido interrompida a DAT&#44; pelo menos&#44; durante um m&#234;s foi de 20&#37;&#59; 2&#41; Aos 12 meses a probabilidade de interromper a DAT durante&#44; pelo menos&#44; um m&#234;s foi de 50&#37;&#59; 3&#41; A taxa de recorr&#234;ncia de enfarte foi maior na popula&#231;&#227;o que foi aderente ao reg&#237;men&#44; quando comparada com a popula&#231;&#227;o n&#227;o aderente&#59; e 4&#41; O in&#237;cio da utiliza&#231;&#227;o da DAT foi elevada&#44; com 94&#44;6&#37; dos doentes a cumprirem a prescri&#231;&#227;o dos dois antiagregantes durante os primeiros 30 dias ap&#243;s hospitaliza&#231;&#227;o&#46;</p><p id="par0075" class="elsevierStylePara elsevierViewall">Destes resultados destacam-se&#44; na nossa opini&#227;o&#44; tr&#234;s mensagens&#58; a primeira &#233; que a taxa de ades&#227;o &#224; DAT durante 12 meses &#233; baixa&#59; a segunda &#233; que a ader&#234;ncia no in&#237;cio do tratamento &#233; elevada&#59; e a terceira&#44; &#233; que ser&#227;o provavelmente nos doentes com decursos cl&#237;nicos menos complicados e com doen&#231;a coron&#225;ria mais benigna que se encontra a maior taxa de abandono da terap&#234;utica prescrita&#46;</p><p id="par0080" class="elsevierStylePara elsevierViewall">Este &#233; um assunto que merece a reflex&#227;o de todos os envolvidos no tratamento destes doentes&#44; uma vez que s&#243; com a sua educa&#231;&#227;o adequada ap&#243;s PCI &#233; que conseguiremos taxas de abandono menores&#44; contribuindo com este fator para uma diminui&#231;&#227;o das complica&#231;&#245;es tromb&#243;ticas associados &#224; implanta&#231;&#227;o de <span class="elsevierStyleItalic">stents</span>&#46; Por outro lado&#44; cada vez mais temos a perce&#231;&#227;o de que muitas das complica&#231;&#245;es tromb&#243;ticas tardias ou muito tardias adjudicadas aos DES e encontradas nos estudos e particularmente nos registos&#44; ter&#227;o como respons&#225;vel esta condi&#231;&#227;o&#58; a m&#225; ades&#227;o &#224; terap&#234;utica&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle">Conflito de interesses</span><p id="par0085" class="elsevierStylePara elsevierViewall">Os autores declaram n&#227;o haver conflito de interesses&#46;</p></span></span>"
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ISSN: 21742049
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Revista Portuguesa de Cardiologia (English edition)
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