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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Frailty has traditionally been associated with aging&#44; reflecting a state of physiological decline with decreased physical fitness&#44; weight loss&#44; sarcopenia and progressive reduction of autonomy&#46; There is also a marked vulnerability to adverse health events and diminished capacity to tolerate and adapt to stressors such as acute illness&#44; and surgical or medical interventions&#46;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">1</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">Fried et al&#46; were the first to describe the pathophysiology of the frailty process in detail&#44; signaling the path toward functional decline&#46;<a class="elsevierStyleCrossRef" href="#bib0055"><span class="elsevierStyleSup">2</span></a> They proposed a frailty index by measuring the phenotype&#44; including muscle strength&#44; muscle mass&#44; walking speed&#44; energy expenditure and nutritional status&#47;weight loss&#46; This index remains the most influential frailty tool&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">Since then&#44; several screening tools have been proposed to assess frailty&#44; which can be divided in two main groups&#58; ones that address physical frailty&#44; that is&#44; signs and symptoms associated with higher vulnerability to adverse health outcomes &#40;weakness&#44; fatigue&#44; weight loss&#44; slow gait&#44; low activity&#41;&#44; and deficit accumulation frailty or index frailty&#44; that considers co-morbidities and cumulative illnesses&#46;<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">3</span></a></p><p id="par0020" class="elsevierStylePara elsevierViewall">Whichever tool is used to measure frailty&#44; it seems to be unanimous that advanced frailty is associated with increased mortality&#44; disability&#44; hospitalization and procedural complications&#46;<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">4</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">The prevalence of frailty depends on the frailty scale used and&#44; on the population&#44; studied&#44; and varies among studies&#46;<a class="elsevierStyleCrossRef" href="#bib0070"><span class="elsevierStyleSup">5</span></a></p><p id="par0030" class="elsevierStylePara elsevierViewall">So far&#44; most of the studies addressing frailty have been conducted in old people&#46; Studies that comprise or are directed toward younger people are usually in the context of critically ill patients in different settings&#44; heart failure including advanced heart failure &#40;HF&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">6</span></a></p><p id="par0035" class="elsevierStylePara elsevierViewall">The frailty phenotype is very common in heart failure<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">7</span></a> and frailty itself is not a syndrome exclusive to old people or only associated with aging&#46; It can affect patients at any time of life and&#44; when present&#44; can negatively influence morbidity and mortality&#46; As such&#44; the aim of the study &#8220;Frailty phenotype in heart failure&#58; A condition that transcends age&#8221;<a class="elsevierStyleCrossRef" href="#bib0085"><span class="elsevierStyleSup">8</span></a> raises the pertinent question of whether there are differences between younger and older pre-frail and frail HF outpatients using Fried&#39;s criteria&#44; although no substantial differences were found by the authors between the two groups &#40;only in hand grip strength&#44; gait speed and in the prevalence of type 2 diabetes&#41;&#46; That is not surprising given the limitations stated by the authors &#40;cross-sectional study&#59; small sample size&#59; use of estimated and indirect measures of body composition&#41;&#44; but also perhaps because only two wide groups were considered &#40;&#60;65 years and &#8805;65 years&#41;&#46; The patients were broadly in the same stage of syndrome impact&#44; and older people with substantial age-related co-morbidities had most probably already died and were not &#8220;healthy&#8221; enough to endure HF&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">It would be interesting in the future to perform longitudinal studies&#44; controlled with non-frail patients&#44; with more discriminated age groups&#44; to define age-specific cut-offs for frailty criteria&#44; including&#44; as stated by the authors&#44; hand grip strength and gait speed&#59; to evaluate other frailty tools and determine which are the best to assess HF patients&#44; whether there are advantages to using different criteria in different age groups to refine the diagnosis and&#44; eventually&#44; to come to a consensus concerning definition and the tools to be used&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">Finally&#44; if diagnosing and measuring is important&#44; there is also a need to agree on the best strategies for preventing&#44; treating and&#47;or mitigating frailty and its impact on the quality of life&#44; morbidity and mortality of HF patients&#46;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">9</span></a></p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Conflicts of interest</span><p id="par0050" class="elsevierStylePara elsevierViewall">The author has no conflicts of interest to declare&#46;</p></span></span>"
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Frailty, age and heart failure
Fragilidade, idade e insuficiência cardíaca
Maria Mónica Mendes Pedroa,b,c,d
a Serviço de Cardiologia, Centro Hospitalar Universitário Lisboa Norte, Lisboa, Portugal
b Faculdade de Medicina da Universidade de Lisboa, Lisboa, Portugal
c Centro Académico de Medicina de Lisboa, Lisboa, Portugal
d Centro Cardiovascular da Universidade de Lisboa, Lisboa, Portugal
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    "titulo" => "Frailty&#44; age and heart failure"
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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Frailty has traditionally been associated with aging&#44; reflecting a state of physiological decline with decreased physical fitness&#44; weight loss&#44; sarcopenia and progressive reduction of autonomy&#46; There is also a marked vulnerability to adverse health events and diminished capacity to tolerate and adapt to stressors such as acute illness&#44; and surgical or medical interventions&#46;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">1</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">Fried et al&#46; were the first to describe the pathophysiology of the frailty process in detail&#44; signaling the path toward functional decline&#46;<a class="elsevierStyleCrossRef" href="#bib0055"><span class="elsevierStyleSup">2</span></a> They proposed a frailty index by measuring the phenotype&#44; including muscle strength&#44; muscle mass&#44; walking speed&#44; energy expenditure and nutritional status&#47;weight loss&#46; This index remains the most influential frailty tool&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">Since then&#44; several screening tools have been proposed to assess frailty&#44; which can be divided in two main groups&#58; ones that address physical frailty&#44; that is&#44; signs and symptoms associated with higher vulnerability to adverse health outcomes &#40;weakness&#44; fatigue&#44; weight loss&#44; slow gait&#44; low activity&#41;&#44; and deficit accumulation frailty or index frailty&#44; that considers co-morbidities and cumulative illnesses&#46;<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">3</span></a></p><p id="par0020" class="elsevierStylePara elsevierViewall">Whichever tool is used to measure frailty&#44; it seems to be unanimous that advanced frailty is associated with increased mortality&#44; disability&#44; hospitalization and procedural complications&#46;<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">4</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">The prevalence of frailty depends on the frailty scale used and&#44; on the population&#44; studied&#44; and varies among studies&#46;<a class="elsevierStyleCrossRef" href="#bib0070"><span class="elsevierStyleSup">5</span></a></p><p id="par0030" class="elsevierStylePara elsevierViewall">So far&#44; most of the studies addressing frailty have been conducted in old people&#46; Studies that comprise or are directed toward younger people are usually in the context of critically ill patients in different settings&#44; heart failure including advanced heart failure &#40;HF&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">6</span></a></p><p id="par0035" class="elsevierStylePara elsevierViewall">The frailty phenotype is very common in heart failure<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">7</span></a> and frailty itself is not a syndrome exclusive to old people or only associated with aging&#46; It can affect patients at any time of life and&#44; when present&#44; can negatively influence morbidity and mortality&#46; As such&#44; the aim of the study &#8220;Frailty phenotype in heart failure&#58; A condition that transcends age&#8221;<a class="elsevierStyleCrossRef" href="#bib0085"><span class="elsevierStyleSup">8</span></a> raises the pertinent question of whether there are differences between younger and older pre-frail and frail HF outpatients using Fried&#39;s criteria&#44; although no substantial differences were found by the authors between the two groups &#40;only in hand grip strength&#44; gait speed and in the prevalence of type 2 diabetes&#41;&#46; That is not surprising given the limitations stated by the authors &#40;cross-sectional study&#59; small sample size&#59; use of estimated and indirect measures of body composition&#41;&#44; but also perhaps because only two wide groups were considered &#40;&#60;65 years and &#8805;65 years&#41;&#46; The patients were broadly in the same stage of syndrome impact&#44; and older people with substantial age-related co-morbidities had most probably already died and were not &#8220;healthy&#8221; enough to endure HF&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">It would be interesting in the future to perform longitudinal studies&#44; controlled with non-frail patients&#44; with more discriminated age groups&#44; to define age-specific cut-offs for frailty criteria&#44; including&#44; as stated by the authors&#44; hand grip strength and gait speed&#59; to evaluate other frailty tools and determine which are the best to assess HF patients&#44; whether there are advantages to using different criteria in different age groups to refine the diagnosis and&#44; eventually&#44; to come to a consensus concerning definition and the tools to be used&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">Finally&#44; if diagnosing and measuring is important&#44; there is also a need to agree on the best strategies for preventing&#44; treating and&#47;or mitigating frailty and its impact on the quality of life&#44; morbidity and mortality of HF patients&#46;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">9</span></a></p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Conflicts of interest</span><p id="par0050" class="elsevierStylePara elsevierViewall">The author has no conflicts of interest to declare&#46;</p></span></span>"
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