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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" id="sect0005">Abstract</span><p id="par0015" class="elsevierStylePara elsevierViewall">BACKGROUND&#46; The most appropriate targets for systolic blood pressure to reduce cardiovascular morbidity and mortality among persons without diabetes remain uncertain&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">METHODS&#46; We randomly assigned 9361 persons with a systolic blood pressure of 130<span class="elsevierStyleHsp" style=""></span>mm Hg or higher and an increased cardiovascular risk&#44; but without diabetes&#44; to a systolic blood&#8208;pressure target of less than 120<span class="elsevierStyleHsp" style=""></span>mm Hg &#40;intensive treatment&#41; or a target of less than 140<span class="elsevierStyleHsp" style=""></span>mm Hg &#40;standard treatment&#41;&#46; The primary composite outcome was myocardial infarction&#44; other acute coronary syndromes&#44; stroke&#44; heart failure&#44; or death from cardiovascular causes&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">RESULTS&#46; At 1 year&#44; the mean systolic blood pressure was 121&#46;4<span class="elsevierStyleHsp" style=""></span>mm Hg in the intensive treatment group and 136&#46;2<span class="elsevierStyleHsp" style=""></span>mm Hg in the standard&#8208;treatment group&#46; The intervention was stopped early after a median follow&#8208;up of 3&#46;26 years owing to a significantly lower rate of the primary composite outcome in the intensive&#8208;treatment group than in the standard&#8208;treatment group &#40;1&#46;65&#37; per year vs&#46; 2&#46;19&#37; per year&#59; hazard ratio with intensive treatment&#44; 0&#46;75&#59; 95&#37; confidence interval &#91;<span class="elsevierStyleSmallCaps">CI</span>&#93;&#44; 0&#46;64 to 0&#46;89&#59; P<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;001&#41;&#46; All&#8208;cause mortality was also significantly lower in the intensive treatment group &#40;hazard ratio&#44; 0&#46;73&#59; 95&#37; CI&#44; 0&#46;60 to 0&#46;90&#59; P<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;003&#41;&#46; Rates of serious adverse events of hypotension&#44; syncope&#44; electrolyte abnormalities&#44; and acute kidney injury or failure&#44; but not of injurious falls&#44; were higher in the intensive treatment group than in the standard&#8208;treatment group&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">CONCLUSIONS&#46; Among patients at high risk for cardiovascular events but without diabetes&#44; targeting a systolic blood pressure of less than 120<span class="elsevierStyleHsp" style=""></span>mm Hg&#44; as compared with less than 140<span class="elsevierStyleHsp" style=""></span>mm Hg&#44; resulted in lower rates of fatal and nonfatal major cardiovascular events and death from any cause&#44; although significantly higher rates of some adverse events were observed in the intensive&#8208;treatment group&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Coment&#225;rio</span><p id="par0035" class="elsevierStylePara elsevierViewall">Uma das poucas &#225;reas incontroversas em medicina &#233; a que nos diz que a hipertens&#227;o arterial &#233; um dos fatores de risco cardiovasculares mais importantes e que o seu tratamento eficaz reduz a incid&#234;ncia de eventos cardiovasculares<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">1</span></a>&#46; No <span class="elsevierStyleItalic">Global Burden of Disease Study</span>&#44; por exemplo&#44; a HTA foi o mais importante fator de risco a n&#237;vel global<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">2</span></a>&#44; um resultado at&#233; inesperado mas importante deste estudo epidemiol&#243;gico&#46; Por esta raz&#227;o&#44; pareceu&#8208;nos que a sele&#231;&#227;o do ensaio SPRINT para Artigo Recomendado do M&#234;s poderia ser particularmente &#250;til&#44; dado at&#233; o impacto extraordin&#225;rio que teve na comunidade cl&#237;nica&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">O estudo SPRINT foi um ensaio cl&#237;nico aleatorizado e controlado que comparou &#8211; em 9361 doentes&#44; com idade igual ou superior a 50 anos&#44; e com tens&#227;o arterial sist&#243;lica &#40;TAS&#41; entre 130&#8208;180<span class="elsevierStyleHsp" style=""></span>mmHg&#44; e um risco cardiovascular &#40;CV&#41; aumentado &#40;mas excluindo doentes com diabetes <span class="elsevierStyleItalic">mellitus</span> ou acidente vascular cerebral pr&#233;vio&#41; &#8211; dois esquemas de terap&#234;utica anti&#8208;hipertensiva&#58; um intensivo &#40;TAS alvo<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>120<span class="elsevierStyleHsp" style=""></span>mmHg&#41; e um padr&#227;o &#40;TAS alvo<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>140<span class="elsevierStyleHsp" style=""></span>mmHg&#41;&#46; Utilizaram&#8208;se todas as classes de anti&#8208;hipertensores&#44; priorizando&#8208;se a utiliza&#231;&#227;o de clortalidona como agente de primeira linha&#44; diur&#233;ticos de ansa &#40;para participantes com doen&#231;a renal cr&#243;nica&#41; e betabloqueantes &#40;para indiv&#237;duos com doen&#231;a coron&#225;ria&#41;&#44; combinados com modifica&#231;&#227;o no estilo de vida&#46; Os <span class="elsevierStyleItalic">outcomes</span> &#40;resultados&#41; prim&#225;rios foram um resultado combinado definido como primeira ocorr&#234;ncia de qualquer um dos seguintes eventos CV&#58; mortalidade CV&#59; doen&#231;a coron&#225;ria &#40;sem enfarte do mioc&#225;rdio ou outra s&#237;ndrome coron&#225;ria aguda&#41;&#59; acidente vascular cerebral&#59; insufici&#234;ncia card&#237;aca aguda descompensada &#40;por n&#227;o serem relevantes para esta an&#225;lise&#44; n&#227;o comentaremos os <span class="elsevierStyleItalic">outcomes</span> secund&#225;rios&#44; exceto os que t&#234;m a ver com a seguran&#231;a&#41;&#46; Durante o tempo mediano de seguimento &#40;3&#44;26 anos&#41;&#44; a TAS m&#233;dia no grupo submetido a terap&#234;utica intensiva foi de 121&#44;5<span class="elsevierStyleHsp" style=""></span>mmHg&#44; enquanto no grupo submetido a terap&#234;utica padr&#227;o foi de 134&#44;6<span class="elsevierStyleHsp" style=""></span>mmHg&#46; O estudo foi interrompido quando o <span class="elsevierStyleItalic">outcome</span> prim&#225;rio foi atingido em 5&#44;2&#37; dos doentes no grupo experimental e em 6&#44;8&#37; dos doentes no grupo de controlo &#40;redu&#231;&#227;o do risco absoluto de 1&#44;6&#37;&#44; relativo de 24&#37; e n&#250;mero necess&#225;rio tratar de 63&#41;&#46; O n&#250;mero m&#233;dio de f&#225;rmacos necess&#225;rios para atingir a TAS alvo foi de 2&#44;8 no primeiro grupo e de 1&#44;8 no segundo&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">Este estudo foi massivamente divulgado entre a comunidade m&#233;dica&#44; tendo havido diversas sugest&#245;es que estes resultados deveriam entrar imediatamente nas Normas de Orienta&#231;&#227;o Cl&#237;nica do tratamento da hipertens&#227;o arterial&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">Mas ser&#225;&#44; de facto&#44; assim&#63;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Uma primeira reflex&#227;o sobre estes resultados alerta que&#44; apresentados de outra maneira&#44; eles s&#227;o de facto muito modestos&#58; de 1000 doentes tratados durante 2&#44;3 anos&#44; quando baixamos a TAS de 140 para 120<span class="elsevierStyleHsp" style=""></span>mmHg&#44; uma m&#233;dia de 16 pessoas beneficia&#44; 22 ser&#227;o lesadas e 962 ficar&#227;o na mesma&#46; Ou seja&#44; durante um per&#237;odo de 2&#44;3 anos&#44; 98&#37; dos doentes n&#227;o t&#234;m qualquer benef&#237;cio&#33; Esta situa&#231;&#227;o &#233; explicada pela dimens&#227;o do efeito&#58; como o estudo estava desenhado para detetar diferen&#231;as muito pequenas &#8211; 20&#37; numa taxa basal de 2&#44;2&#37; &#8211; o significado estat&#237;stico&#44; ainda que presente&#44; pode n&#227;o ter significado cl&#237;nico<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">3</span></a>&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall">Uma segunda reflex&#227;o incide sobre a iatrogenia&#58; se olharmos para os n&#250;meros globais&#44; verificamos que eventos adversos graves ocorreram mais frequentemente no grupo de terap&#234;utica intensiva do que no grupo de controlo &#40;4&#44;7 <span class="elsevierStyleItalic">versus</span> 2&#44;5&#37;&#41;&#46; Este fen&#243;meno &#233; absolutamente l&#243;gico&#44; j&#225; que para atingir os valores tensionais alvo &#40;&#60;<span class="elsevierStyleHsp" style=""></span>120<span class="elsevierStyleHsp" style=""></span>mmHg&#41;&#44; os doentes do grupo intensivo tiveram que fazer um f&#225;rmaco extra&#44; a juntar aos quase dois que em m&#233;dia j&#225; faziam anteriormente&#46; Um importante dado &#233; que menos de metade dos doentes do grupo de tratamento intensivo atingiu uma press&#227;o sist&#243;lica inferior ao alvo pr&#233;&#8208;determinado &#40;o que nos d&#225; uma pista do que poder&#225; acontecer na pr&#225;tica cl&#237;nica&#8230;&#41;&#46; Para sublinhar os problemas deste estudo&#44; numa publica&#231;&#227;o ulterior para an&#225;lise do subgrupo de doentes com mais de 75 anos e sem diabetes&#44; os autores sugerem n&#227;o haver iatrogenia aumentada no grupo intensivo&#44; baseando&#8208;se na taxa global de efeitos adversos &#40;48&#44;4 <span class="elsevierStyleItalic">versus</span> 48&#44;3&#37;&#41;&#44; ainda que cada uma das taxas absolutas dos efeitos adversos individuais fosse sempre mais alta<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">4</span></a>&#33;</p><p id="par0065" class="elsevierStylePara elsevierViewall">Este tipo de estudos&#44; em que se sugerem generaliza&#231;&#245;es abusivas&#44; s&#227;o perigosos e podem induzir mais iatrogenia do que benef&#237;cio&#44; pelo que os resultados do ensaio SPRINT devem&#44; na nossa opini&#227;o&#44; ser ignorados na pr&#225;tica cl&#237;nica de doentes idosos hipertensos&#46; Temos de ter enorme cuidado em generalizar resultados positivos provenientes de uma percentagem pequena de doentes de alto risco&#44; a doentes de baixo risco &#40;em que nem sequer est&#227;o provados os benef&#237;cios de tratamento agressivo da TA&#41;&#46; Esta &#233; uma situa&#231;&#227;o em que se ter&#225; de falar com os doentes e apresentar o previs&#237;vel impacto de modo compreens&#237;vel&#44; definindo a abordagem em base individual&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Conflito de interesses</span><p id="par0070" class="elsevierStylePara elsevierViewall">Os autores declaram n&#227;o haver conflito de interesses&#46;</p></span></span>"
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Artigo Recomendado do Mês
Comentário a: «The SPRINT Research Group. A Randomized Trial of Intensive versus Standard Blood‐Pressure Control»
Comment on: “The SPRINT Research Group. A Randomized Trial of Intensive versus Standard Blood‐Pressure Control”
António Vaz Carneiro
Membro do Corpo Redatorial da Revista Portuguesa de Cardiologia, Portugal
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    "titulo" => "Coment&#225;rio a&#58; &#171;<span class="elsevierStyleItalic">The SPRINT Research Group&#46; A Randomized Trial of Intensive versus Standard Blood&#8208;Pressure Control</span>&#187;"
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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" id="sect0005">Abstract</span><p id="par0015" class="elsevierStylePara elsevierViewall">BACKGROUND&#46; The most appropriate targets for systolic blood pressure to reduce cardiovascular morbidity and mortality among persons without diabetes remain uncertain&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">METHODS&#46; We randomly assigned 9361 persons with a systolic blood pressure of 130<span class="elsevierStyleHsp" style=""></span>mm Hg or higher and an increased cardiovascular risk&#44; but without diabetes&#44; to a systolic blood&#8208;pressure target of less than 120<span class="elsevierStyleHsp" style=""></span>mm Hg &#40;intensive treatment&#41; or a target of less than 140<span class="elsevierStyleHsp" style=""></span>mm Hg &#40;standard treatment&#41;&#46; The primary composite outcome was myocardial infarction&#44; other acute coronary syndromes&#44; stroke&#44; heart failure&#44; or death from cardiovascular causes&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">RESULTS&#46; At 1 year&#44; the mean systolic blood pressure was 121&#46;4<span class="elsevierStyleHsp" style=""></span>mm Hg in the intensive treatment group and 136&#46;2<span class="elsevierStyleHsp" style=""></span>mm Hg in the standard&#8208;treatment group&#46; The intervention was stopped early after a median follow&#8208;up of 3&#46;26 years owing to a significantly lower rate of the primary composite outcome in the intensive&#8208;treatment group than in the standard&#8208;treatment group &#40;1&#46;65&#37; per year vs&#46; 2&#46;19&#37; per year&#59; hazard ratio with intensive treatment&#44; 0&#46;75&#59; 95&#37; confidence interval &#91;<span class="elsevierStyleSmallCaps">CI</span>&#93;&#44; 0&#46;64 to 0&#46;89&#59; P<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;001&#41;&#46; All&#8208;cause mortality was also significantly lower in the intensive treatment group &#40;hazard ratio&#44; 0&#46;73&#59; 95&#37; CI&#44; 0&#46;60 to 0&#46;90&#59; P<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;003&#41;&#46; Rates of serious adverse events of hypotension&#44; syncope&#44; electrolyte abnormalities&#44; and acute kidney injury or failure&#44; but not of injurious falls&#44; were higher in the intensive treatment group than in the standard&#8208;treatment group&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">CONCLUSIONS&#46; Among patients at high risk for cardiovascular events but without diabetes&#44; targeting a systolic blood pressure of less than 120<span class="elsevierStyleHsp" style=""></span>mm Hg&#44; as compared with less than 140<span class="elsevierStyleHsp" style=""></span>mm Hg&#44; resulted in lower rates of fatal and nonfatal major cardiovascular events and death from any cause&#44; although significantly higher rates of some adverse events were observed in the intensive&#8208;treatment group&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Coment&#225;rio</span><p id="par0035" class="elsevierStylePara elsevierViewall">Uma das poucas &#225;reas incontroversas em medicina &#233; a que nos diz que a hipertens&#227;o arterial &#233; um dos fatores de risco cardiovasculares mais importantes e que o seu tratamento eficaz reduz a incid&#234;ncia de eventos cardiovasculares<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">1</span></a>&#46; No <span class="elsevierStyleItalic">Global Burden of Disease Study</span>&#44; por exemplo&#44; a HTA foi o mais importante fator de risco a n&#237;vel global<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">2</span></a>&#44; um resultado at&#233; inesperado mas importante deste estudo epidemiol&#243;gico&#46; Por esta raz&#227;o&#44; pareceu&#8208;nos que a sele&#231;&#227;o do ensaio SPRINT para Artigo Recomendado do M&#234;s poderia ser particularmente &#250;til&#44; dado at&#233; o impacto extraordin&#225;rio que teve na comunidade cl&#237;nica&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">O estudo SPRINT foi um ensaio cl&#237;nico aleatorizado e controlado que comparou &#8211; em 9361 doentes&#44; com idade igual ou superior a 50 anos&#44; e com tens&#227;o arterial sist&#243;lica &#40;TAS&#41; entre 130&#8208;180<span class="elsevierStyleHsp" style=""></span>mmHg&#44; e um risco cardiovascular &#40;CV&#41; aumentado &#40;mas excluindo doentes com diabetes <span class="elsevierStyleItalic">mellitus</span> ou acidente vascular cerebral pr&#233;vio&#41; &#8211; dois esquemas de terap&#234;utica anti&#8208;hipertensiva&#58; um intensivo &#40;TAS alvo<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>120<span class="elsevierStyleHsp" style=""></span>mmHg&#41; e um padr&#227;o &#40;TAS alvo<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>140<span class="elsevierStyleHsp" style=""></span>mmHg&#41;&#46; Utilizaram&#8208;se todas as classes de anti&#8208;hipertensores&#44; priorizando&#8208;se a utiliza&#231;&#227;o de clortalidona como agente de primeira linha&#44; diur&#233;ticos de ansa &#40;para participantes com doen&#231;a renal cr&#243;nica&#41; e betabloqueantes &#40;para indiv&#237;duos com doen&#231;a coron&#225;ria&#41;&#44; combinados com modifica&#231;&#227;o no estilo de vida&#46; Os <span class="elsevierStyleItalic">outcomes</span> &#40;resultados&#41; prim&#225;rios foram um resultado combinado definido como primeira ocorr&#234;ncia de qualquer um dos seguintes eventos CV&#58; mortalidade CV&#59; doen&#231;a coron&#225;ria &#40;sem enfarte do mioc&#225;rdio ou outra s&#237;ndrome coron&#225;ria aguda&#41;&#59; acidente vascular cerebral&#59; insufici&#234;ncia card&#237;aca aguda descompensada &#40;por n&#227;o serem relevantes para esta an&#225;lise&#44; n&#227;o comentaremos os <span class="elsevierStyleItalic">outcomes</span> secund&#225;rios&#44; exceto os que t&#234;m a ver com a seguran&#231;a&#41;&#46; Durante o tempo mediano de seguimento &#40;3&#44;26 anos&#41;&#44; a TAS m&#233;dia no grupo submetido a terap&#234;utica intensiva foi de 121&#44;5<span class="elsevierStyleHsp" style=""></span>mmHg&#44; enquanto no grupo submetido a terap&#234;utica padr&#227;o foi de 134&#44;6<span class="elsevierStyleHsp" style=""></span>mmHg&#46; O estudo foi interrompido quando o <span class="elsevierStyleItalic">outcome</span> prim&#225;rio foi atingido em 5&#44;2&#37; dos doentes no grupo experimental e em 6&#44;8&#37; dos doentes no grupo de controlo &#40;redu&#231;&#227;o do risco absoluto de 1&#44;6&#37;&#44; relativo de 24&#37; e n&#250;mero necess&#225;rio tratar de 63&#41;&#46; O n&#250;mero m&#233;dio de f&#225;rmacos necess&#225;rios para atingir a TAS alvo foi de 2&#44;8 no primeiro grupo e de 1&#44;8 no segundo&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">Este estudo foi massivamente divulgado entre a comunidade m&#233;dica&#44; tendo havido diversas sugest&#245;es que estes resultados deveriam entrar imediatamente nas Normas de Orienta&#231;&#227;o Cl&#237;nica do tratamento da hipertens&#227;o arterial&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">Mas ser&#225;&#44; de facto&#44; assim&#63;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Uma primeira reflex&#227;o sobre estes resultados alerta que&#44; apresentados de outra maneira&#44; eles s&#227;o de facto muito modestos&#58; de 1000 doentes tratados durante 2&#44;3 anos&#44; quando baixamos a TAS de 140 para 120<span class="elsevierStyleHsp" style=""></span>mmHg&#44; uma m&#233;dia de 16 pessoas beneficia&#44; 22 ser&#227;o lesadas e 962 ficar&#227;o na mesma&#46; Ou seja&#44; durante um per&#237;odo de 2&#44;3 anos&#44; 98&#37; dos doentes n&#227;o t&#234;m qualquer benef&#237;cio&#33; Esta situa&#231;&#227;o &#233; explicada pela dimens&#227;o do efeito&#58; como o estudo estava desenhado para detetar diferen&#231;as muito pequenas &#8211; 20&#37; numa taxa basal de 2&#44;2&#37; &#8211; o significado estat&#237;stico&#44; ainda que presente&#44; pode n&#227;o ter significado cl&#237;nico<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">3</span></a>&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall">Uma segunda reflex&#227;o incide sobre a iatrogenia&#58; se olharmos para os n&#250;meros globais&#44; verificamos que eventos adversos graves ocorreram mais frequentemente no grupo de terap&#234;utica intensiva do que no grupo de controlo &#40;4&#44;7 <span class="elsevierStyleItalic">versus</span> 2&#44;5&#37;&#41;&#46; Este fen&#243;meno &#233; absolutamente l&#243;gico&#44; j&#225; que para atingir os valores tensionais alvo &#40;&#60;<span class="elsevierStyleHsp" style=""></span>120<span class="elsevierStyleHsp" style=""></span>mmHg&#41;&#44; os doentes do grupo intensivo tiveram que fazer um f&#225;rmaco extra&#44; a juntar aos quase dois que em m&#233;dia j&#225; faziam anteriormente&#46; Um importante dado &#233; que menos de metade dos doentes do grupo de tratamento intensivo atingiu uma press&#227;o sist&#243;lica inferior ao alvo pr&#233;&#8208;determinado &#40;o que nos d&#225; uma pista do que poder&#225; acontecer na pr&#225;tica cl&#237;nica&#8230;&#41;&#46; Para sublinhar os problemas deste estudo&#44; numa publica&#231;&#227;o ulterior para an&#225;lise do subgrupo de doentes com mais de 75 anos e sem diabetes&#44; os autores sugerem n&#227;o haver iatrogenia aumentada no grupo intensivo&#44; baseando&#8208;se na taxa global de efeitos adversos &#40;48&#44;4 <span class="elsevierStyleItalic">versus</span> 48&#44;3&#37;&#41;&#44; ainda que cada uma das taxas absolutas dos efeitos adversos individuais fosse sempre mais alta<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">4</span></a>&#33;</p><p id="par0065" class="elsevierStylePara elsevierViewall">Este tipo de estudos&#44; em que se sugerem generaliza&#231;&#245;es abusivas&#44; s&#227;o perigosos e podem induzir mais iatrogenia do que benef&#237;cio&#44; pelo que os resultados do ensaio SPRINT devem&#44; na nossa opini&#227;o&#44; ser ignorados na pr&#225;tica cl&#237;nica de doentes idosos hipertensos&#46; Temos de ter enorme cuidado em generalizar resultados positivos provenientes de uma percentagem pequena de doentes de alto risco&#44; a doentes de baixo risco &#40;em que nem sequer est&#227;o provados os benef&#237;cios de tratamento agressivo da TA&#41;&#46; Esta &#233; uma situa&#231;&#227;o em que se ter&#225; de falar com os doentes e apresentar o previs&#237;vel impacto de modo compreens&#237;vel&#44; definindo a abordagem em base individual&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Conflito de interesses</span><p id="par0070" class="elsevierStylePara elsevierViewall">Os autores declaram n&#227;o haver conflito de interesses&#46;</p></span></span>"
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Article information
ISSN: 21742049
Original language: English
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Revista Portuguesa de Cardiologia (English edition)
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