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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Heart failure &#40;HF&#41; is a progressively increasing syndrome of epidemic proportions&#46; In the last 20 years&#44; disease-modifying drugs &#40;angiotensin-converting enzyme inhibitors&#44; beta-blockers&#44; aldosterone antagonists and&#44; more recently&#44; neprilysin inhibitors&#41; have markedly improved the prognosis&#44; when the left ventricular ejection fraction &#40;LVEF&#41; is reduced&#46; Despite the benefits demonstrated by these drugs&#44; mortality due to heart failure remains high&#46; There is still no intervention that has been shown to improve the prognosis of heart failure with preserved LVEF&#44; whose mortality is very similar to that of HF with reduced LVEF&#46;<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">1</span></a> For this reason&#44; there is considerable interest in identifying variables that affect the prognosis of HF and whose change can provide an additional benefit to drug treatment&#46; One of these variables is the nutritional state&#46;</p><p id="par0010" class="elsevierStylePara elsevierViewall">Malnutrition is common in patients with HF and is often part of a vicious cycle in which inflammation and cardiac cachexia also participate&#46; When cardiac cachexia occurs&#44; the prognosis worsens and mortality is high&#46; One of the therapeutic objectives should therefore be to prevent or reverse the nutritional disorders&#46;<a class="elsevierStyleCrossRef" href="#bib0070"><span class="elsevierStyleSup">2</span></a> The assessment of the nutritional state in early phases of the disease allows for early intervention and possibly avoiding this deterioration&#44; contributing to a better prognosis&#46;<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">3</span></a></p><p id="par0015" class="elsevierStylePara elsevierViewall">To assess the nutritional state&#44; anthropometric or biochemical parameters can be used&#44; but all have limitations and are not sufficiently reliable in isolation&#46; The body mass index &#40;BMI&#41; is used as an estimate of the body fat content&#44; and its inverse relationship with the prognosis of HF is well known &#40;the obesity paradox&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">4</span></a> Nevertheless&#44; these anthropometric measures do not help to accurately determine the body composition&#46;<a class="elsevierStyleCrossRef" href="#bib0085"><span class="elsevierStyleSup">5</span></a> Therefore&#44; the assessment should be completed with tools such as the Mini Nutritional Assessment &#40;MNA&#41; scale&#44; which is currently considered the gold standard for the nutritional assessment of HF&#46;<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">3</span></a> Most observational studies of patients with HF have identified malnutrition as a factor of poor prognosis&#44; regardless of how it was diagnosed &#40;low weight by BMI&#44;<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">4</span></a> low albumin<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">6</span></a> or prealbumin readings<a class="elsevierStyleCrossRef" href="#bib0095"><span class="elsevierStyleSup">7</span></a> or by using the MNA scale<a class="elsevierStyleCrossRef" href="#bib0100"><span class="elsevierStyleSup">8</span></a>&#41;&#46; However&#44; there are very few studies on interventions that attempt to demonstrate the improvement in the prognosis with nutritional treatments&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">The Program of Nutritional Intervention in Malnourished Patients Hospitalized for Heart Failure &#40;PICNIC&#41; is a prospective study that included 120 patients hospitalized for decompensated HF and malnutrition &#40;diagnosed using the MNA scale&#41;&#46; During admission&#44; the patients were randomized to conventional treatment or conventional treatment plus an individualized nutritional intervention&#46; This intervention was maintained for up to 6 months after the hospital discharge&#46; The main finding was a significant reduction in all-cause mortality and hospitalizations for HF in the patients of the intervention group&#44; after 12 months of follow-up&#46;<a class="elsevierStyleCrossRef" href="#bib0105"><span class="elsevierStyleSup">9</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">In this issue of <span class="elsevierStyleSmallCaps">Revista Cl&#237;nica Espa&#241;ola</span>&#44; a new analysis of the PICNIC study after 2 years of follow-up was published&#46; The beneficial effects of the nutritional intervention implemented during the first 6 months remained&#46;<a class="elsevierStyleCrossRef" href="#bib0110"><span class="elsevierStyleSup">10</span></a> The strength of this study lies in the intervention&#39;s randomized design&#46; Nevertheless&#44; there are a number of limitations worth mentioning&#46; Although it is true that the 2 treatment groups of the PICNIC study showed no significant differences in any of their baseline characteristics&#44; these did not include the patients&#8217; functional assessment&#46;<a class="elsevierStyleCrossRef" href="#bib0105"><span class="elsevierStyleSup">9</span></a> This is a relevant consideration&#44; given that functional impairment &#40;measured by the Barthel index&#41; is one of the variables with a major effect on the mortality of patients with HF&#46;<a class="elsevierStyleCrossRefs" href="#bib0115"><span class="elsevierStyleSup">11&#44;12</span></a> Moreover&#44; this second analysis did not evaluate the potential changes in the baseline variables between the 2 groups&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">HF is a complex and heterogeneous syndrome&#44; with numerous variables that influence the onset and prognosis of HF&#46; Therefore&#44; a global&#44; comprehensive and multidisciplinary assessment is increasingly necessary and needs to include a nutritional evaluation&#46; The early detection of and subsequent intervention for malnutrition can provide significant benefits for patients with HF&#46;</p></span>"
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Editorial
The importance of nutritional status in heart failure
La importancia del estado nutricional en la insuficiencia cardiaca
J.C. Trullàsa,b
a Servicio de Medicina Interna, Hospital de Olot, Olot, Girona, Spain
b Departament de Ciències Mèdiques, Universitat de Girona, Girona, Spain
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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Heart failure &#40;HF&#41; is a progressively increasing syndrome of epidemic proportions&#46; In the last 20 years&#44; disease-modifying drugs &#40;angiotensin-converting enzyme inhibitors&#44; beta-blockers&#44; aldosterone antagonists and&#44; more recently&#44; neprilysin inhibitors&#41; have markedly improved the prognosis&#44; when the left ventricular ejection fraction &#40;LVEF&#41; is reduced&#46; Despite the benefits demonstrated by these drugs&#44; mortality due to heart failure remains high&#46; There is still no intervention that has been shown to improve the prognosis of heart failure with preserved LVEF&#44; whose mortality is very similar to that of HF with reduced LVEF&#46;<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">1</span></a> For this reason&#44; there is considerable interest in identifying variables that affect the prognosis of HF and whose change can provide an additional benefit to drug treatment&#46; One of these variables is the nutritional state&#46;</p><p id="par0010" class="elsevierStylePara elsevierViewall">Malnutrition is common in patients with HF and is often part of a vicious cycle in which inflammation and cardiac cachexia also participate&#46; When cardiac cachexia occurs&#44; the prognosis worsens and mortality is high&#46; One of the therapeutic objectives should therefore be to prevent or reverse the nutritional disorders&#46;<a class="elsevierStyleCrossRef" href="#bib0070"><span class="elsevierStyleSup">2</span></a> The assessment of the nutritional state in early phases of the disease allows for early intervention and possibly avoiding this deterioration&#44; contributing to a better prognosis&#46;<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">3</span></a></p><p id="par0015" class="elsevierStylePara elsevierViewall">To assess the nutritional state&#44; anthropometric or biochemical parameters can be used&#44; but all have limitations and are not sufficiently reliable in isolation&#46; The body mass index &#40;BMI&#41; is used as an estimate of the body fat content&#44; and its inverse relationship with the prognosis of HF is well known &#40;the obesity paradox&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">4</span></a> Nevertheless&#44; these anthropometric measures do not help to accurately determine the body composition&#46;<a class="elsevierStyleCrossRef" href="#bib0085"><span class="elsevierStyleSup">5</span></a> Therefore&#44; the assessment should be completed with tools such as the Mini Nutritional Assessment &#40;MNA&#41; scale&#44; which is currently considered the gold standard for the nutritional assessment of HF&#46;<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">3</span></a> Most observational studies of patients with HF have identified malnutrition as a factor of poor prognosis&#44; regardless of how it was diagnosed &#40;low weight by BMI&#44;<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">4</span></a> low albumin<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">6</span></a> or prealbumin readings<a class="elsevierStyleCrossRef" href="#bib0095"><span class="elsevierStyleSup">7</span></a> or by using the MNA scale<a class="elsevierStyleCrossRef" href="#bib0100"><span class="elsevierStyleSup">8</span></a>&#41;&#46; However&#44; there are very few studies on interventions that attempt to demonstrate the improvement in the prognosis with nutritional treatments&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">The Program of Nutritional Intervention in Malnourished Patients Hospitalized for Heart Failure &#40;PICNIC&#41; is a prospective study that included 120 patients hospitalized for decompensated HF and malnutrition &#40;diagnosed using the MNA scale&#41;&#46; During admission&#44; the patients were randomized to conventional treatment or conventional treatment plus an individualized nutritional intervention&#46; This intervention was maintained for up to 6 months after the hospital discharge&#46; The main finding was a significant reduction in all-cause mortality and hospitalizations for HF in the patients of the intervention group&#44; after 12 months of follow-up&#46;<a class="elsevierStyleCrossRef" href="#bib0105"><span class="elsevierStyleSup">9</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">In this issue of <span class="elsevierStyleSmallCaps">Revista Cl&#237;nica Espa&#241;ola</span>&#44; a new analysis of the PICNIC study after 2 years of follow-up was published&#46; The beneficial effects of the nutritional intervention implemented during the first 6 months remained&#46;<a class="elsevierStyleCrossRef" href="#bib0110"><span class="elsevierStyleSup">10</span></a> The strength of this study lies in the intervention&#39;s randomized design&#46; Nevertheless&#44; there are a number of limitations worth mentioning&#46; Although it is true that the 2 treatment groups of the PICNIC study showed no significant differences in any of their baseline characteristics&#44; these did not include the patients&#8217; functional assessment&#46;<a class="elsevierStyleCrossRef" href="#bib0105"><span class="elsevierStyleSup">9</span></a> This is a relevant consideration&#44; given that functional impairment &#40;measured by the Barthel index&#41; is one of the variables with a major effect on the mortality of patients with HF&#46;<a class="elsevierStyleCrossRefs" href="#bib0115"><span class="elsevierStyleSup">11&#44;12</span></a> Moreover&#44; this second analysis did not evaluate the potential changes in the baseline variables between the 2 groups&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">HF is a complex and heterogeneous syndrome&#44; with numerous variables that influence the onset and prognosis of HF&#46; Therefore&#44; a global&#44; comprehensive and multidisciplinary assessment is increasingly necessary and needs to include a nutritional evaluation&#46; The early detection of and subsequent intervention for malnutrition can provide significant benefits for patients with HF&#46;</p></span>"
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Original language: English
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