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The level of NCP implementation varies across countries due to differences identified in major components of health systems such as infrastructures, legislation, training, and cultural diversities. Dietitians in Greece receive sufficient training in the implementation of the NCP as part of their main studies; however, the level of awareness and adoption of the NCP model is still quite low, with limited information on the potential barriers. The primary aim of this study was to gain a deeper understanding of the perspectives of Greek dietitians on the NCP and the use of digital tools. An online survey was created and distributed through the platform "SurveyMonkey version 4.1.1". The overall structure of the questionnaire was modeled according to the validated NCP/NCPT INIS Tool. A total of 279 subjects were included in this study, and 192 were aware of the NCP tool. The most important challenges for the implementation of the NCP included communication with other healthcare professionals (68.2%), provision of appropriate care (33.9%), and insufficient access to continuous education (29.2%). Of the 192 participants who knew the NCP, 81.3% reported using digital applications for the collection and assessment of health data, while 18.8% indicated that they did not utilize such tools. No relationship was found between the use of digital applications by dietitians, NCP knowledge, and demographic characteristics. Our findings highlight the need for targeted educational interventions and appropriate application of standardized protocols by Greek dietitians in daily practice. National Dietetic Associations should provide sufficient guidance on digital tool utilization in facilitating patient data management and enhancing NCP implementation.
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Conocimientos, Actitudes y Práctica en Salud , Nutricionistas , Humanos , Grecia , Femenino , Masculino , Encuestas y Cuestionarios , Adulto , Persona de Mediana Edad , Terapia NutricionalRESUMEN
BACKGROUND & AIMS: Dementia is accompanied by a variety of changes that result in an increased risk of malnutrition and low-intake dehydration. This guideline update aims to give evidence-based recommendations for nutritional care of persons with dementia in order to prevent and treat these syndromes. METHODS: The previous guideline version was reviewed and expanded in accordance with the standard operating procedure for ESPEN guidelines. Based on a systematic search in three databases, strength of evidence of appropriate literature was graded by use of the SIGN system. The original recommendations were reviewed and reformulated, and new recommendations were added, which all then underwent a consensus process. RESULTS: 40 recommendations for nutritional care of older persons with dementia were developed and agreed, seven at institutional level and 33 at individual level. As a prerequisite for good nutritional care, organizations caring for persons with dementia are recommended to employ sufficient qualified staff and offer attractive food and drinks with choice in a functional and appealing environment. Nutritional care should be based on a written care concept with standardized operating procedures. At the individual level, routine screening for malnutrition and dehydration, nutritional assessment and close monitoring are unquestionable. Oral nutrition may be supported by eliminating potential causes of malnutrition and dehydration, and adequate social and nursing support (including assistance, utensils, training and oral care). Oral nutritional supplements are recommended to improve nutritional status but not to correct cognitive impairment or prevent cognitive decline. Routine use of dementia-specific ONS, ketogenic diet, omega-3 fatty acid supplementation and appetite stimulating agents is not recommended. Enteral and parenteral nutrition and hydration are temporary options in patients with mild or moderate dementia, but not in severe dementia or in the terminal phase of life. In all stages of the disease, supporting food and drink intake and maintaining or improving nutrition and hydration status requires an individualized, comprehensive approach. Due to a lack of appropriate studies, most recommendations are good practice points. CONCLUSION: Nutritional care should be an integral part of dementia management. Numerous interventions are available that should be implemented in daily practice. Future high-quality studies are needed to clarify the evidence.
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Deshidratación , Demencia , Desnutrición , Humanos , Demencia/terapia , Demencia/dietoterapia , Deshidratación/terapia , Deshidratación/prevención & control , Desnutrición/terapia , Desnutrición/prevención & control , Desnutrición/diagnóstico , Estado Nutricional , Evaluación Nutricional , Apoyo Nutricional/métodos , Apoyo Nutricional/normas , Anciano , Terapia Nutricional/normas , Terapia Nutricional/métodos , Fluidoterapia/métodos , Fluidoterapia/normasRESUMEN
Most authorized health claims on foods have been established on the basis of single dietary components, mainly micronutrients, such as vitamins, minerals, and possibly bioactives. Failure to sufficiently define and characterize the nutritional profile of a food product is one of the main reasons for rejection or incomplete status for thousands of health claim applications, whereas the food's contaminant profile is simply not accounted for. The objective of this work was to highlight the accumulating scientific evidence supporting a reform of the health claim evaluation process for foods toward more holistic approaches. This would entail the characterization of multiple nutrient-contaminant pairs and contaminant mixture profiles at contaminant levels currently considered "safe," including their interactions that would impact human health outcome(s) in a net positive or negative direction. The notion of a stable nutritional profile in food commodities has been challenged by studies reporting a variable food contaminant content and a declining content of proteins/micronutrients in crops due to anthropogenic greenhouse gas emissions. A holistic approach in the health claim process for foods would entail the incorporation of cumulative risk assessment and/or risk-benefit protocols that effectively combine health risks and benefits associated with multiple nutritional and contaminant attributes of the food/diet under evaluation.
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Primary care healthcare professionals (PCHPs) are pivotal in managing chronic diseases and present a unique opportunity for nutrition-related disease prevention. However, the active involvement of PCHPs in nutritional care is limited, influenced by factors like insufficient education, lack of resources, and time constraints. In this position paper The European Society for Clinical Nutrition and Metabolism (ESPEN) promotes the active engagement of PCHPs in nutritional care. We emphasize the importance of early detection of malnutrition by screening and diagnosis, particularly in all individuals presenting with risk factors such as older age, chronic disease, post-acute disease conditions and after hospitalization for any cause. ESPEN proposes a strategic roadmap to empower PCHPs in clinical nutrition, focusing on education, tools, and multidisciplinary collaboration. The aim is to integrate nutrition into medical curricula, provide simple screening tools for primary care, and establish referral pathways to address malnutrition systematically. In conclusion, we urge for collaboration with PCHP organizations to raise awareness, enhance nutrition skills, facilitate dietitian accessibility, establish multidisciplinary teams, and promote referral pathways, thereby addressing the underestimated clinical challenge of malnutrition in primary care.
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Desnutrición , Atención Primaria de Salud , Humanos , Desnutrición/diagnóstico , Desnutrición/prevención & control , Desnutrición/terapia , Evaluación Nutricional , Europa (Continente) , Terapia Nutricional/métodosRESUMEN
OBJECTIVE: Parenteral nutrition represents a therapeutic option for patients with type 3 intestinal failure. If used exclusively, parenteral nutrition has to be complete to provide all essential nutrients. The aim was to assess the availability of parenteral nutrition in all parts of the world, to better comprehend the global situation, and to prepare an action plan to increase access to parenteral nutrition. METHODS: An international survey using an electronic questionnaire was conducted in August 2019 and repeated in May 2022. An electronic questionnaire was sent to 52 members or affiliates of the International Clinical Nutrition Section of the American Society for Parenteral and Enteral Nutrition. Questions addressed the availability of parenteral nutrition admixtures and their components, reimbursement, and prescribing pre- and post-COVID-19 pandemic. All participating countries were categorized by their economic status. RESULTS: Thirty-six country representatives responded, answering all questions. Parenteral nutrition was available in all countries (100%), but in four countries (11.1%) three-chamber bags were the only option, and in six countries a multibottle system was still used. Liver-sparing amino acids were available in 18 (50%), kidney-sparing in eight (22.2%), and electrolyte-free in 11 (30.5%) countries (30.5%). In most countries (n = 28; 79.4%), fat-soluble and water-soluble vitamins were available. Trace elements solutions were unavailable in four (11.1%) countries. Parenteral nutrition was reimbursed in most countries (n = 33; 91.6%). No significant problems due to the coronavirus pandemic were reported. CONCLUSIONS: Despite the apparent high availability of parenteral nutrition worldwide, there are some factors that may have a substantial effect on the quality of parenteral nutrition admixtures. These shortages create an environment of inequality.
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COVID-19 , Nutrición Parenteral , Humanos , COVID-19/epidemiología , Nutrición Parenteral/estadística & datos numéricos , Nutrición Parenteral/métodos , Encuestas y Cuestionarios , Salud Global , SARS-CoV-2 , Pandemias , Accesibilidad a los Servicios de Salud/estadística & datos numéricos , Soluciones para Nutrición Parenteral/provisión & distribuciónRESUMEN
BACKGROUND: Nutritional status is paramount in Cystic Fibrosis (CF) and is directly correlated with morbidity and mortality. The first ESPEN-ESPGHAN-ECFS guidelines on nutrition care for infants, children, and adults with CF were published in 2016. An update to these guidelines is presented. METHODS: The study was developed by an international multidisciplinary working group in accordance with officially accepted standards. Literature since 2016 was reviewed, PICO questions were discussed and the GRADE system was utilized. Statements were discussed and submitted for on-line voting by the Working Group and by all ESPEN members. RESULTS: The Working Group updated the nutritional guidelines including assessment and management at all ages. Supplementation of vitamins and pancreatic enzymes remains largely the same. There are expanded chapters on pregnancy, CF-related liver disease, and CF-related diabetes, bone disease, nutritional and mineral supplements, and probiotics. There are new chapters on nutrition with highly effective modulator therapies and nutrition after organ transplantation.
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Fibrosis Quística , Terapia Nutricional , Lactante , Niño , Adulto , Humanos , Fibrosis Quística/terapia , Estado Nutricional , Vitaminas , Vitamina ARESUMEN
Esta guía práctica de la European Society for Clinical Nutrition and Metabolism (ESPEN) proporciona información a médicos, enfermeras, dietistas, farmacéuticos, cuidadores y otros proveedores de nutrición enteral domiciliaria (NED) de forma concisa, sobre las indicaciones y contraindicaciones de la NED, así como sobre su administración y seguimiento. Esta guía también ofrece información a los pacientes interesados que necesiten NED. La nutrición parenteral domiciliaria no está incluida, pero se abordará en otra guía de la ESPEN. La guía se basa en la guía científica de la ESPEN publicada anteriormente, que consta de 61 recomendaciones (que se han reproducido y renumerado), junto con los comentarios asociados (que se han resumido en relación a la guía científica). Se indican los grados de evidencia y los niveles de consenso. La ESPEN encargó y financió la guía y seleccionó también a los miembros del grupo.(AU)
This ESPEN practical guideline will inform physicians, nurses, dieticians, pharmacists, caregivers and other home enteral nutrition (HEN) providersin a concise way about the indications and contraindications for HEN, as well as its implementation and monitoring. This guideline will also informinterested patients requiring HEN. Home parenteral nutrition is not included but will be addressed in a separate ESPEN guideline. The guideline isbased on the ESPEN scientific guideline published before, which consists of 61 recommendations that have been reproduced and renumbered,along with the associated commentaries that have been shorted compared to the scientific guideline. Evidence grades and consensus levels areindicated. The guideline was commissioned and financially supported by ESPEN and the members of the guideline group were selected by ESPEN.(AU)
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Humanos , Nutrición Enteral/normas , Nutrición Parenteral en el Domicilio , Desnutrición , 52503 , 35170 , Nutrición Enteral/métodosRESUMEN
Introduction: This ESPEN practical guideline will inform physicians, nurses, dieticians, pharmacists, caregivers and other home enteral nutrition (HEN) providers in a concise way about the indications and contraindications for HEN, as well as its implementation and monitoring. This guideline will also inform interested patients requiring HEN. Home parenteral nutrition is not included but will be addressed in a separate ESPEN guideline. The guideline is based on the ESPEN scientific guideline published before, which consists of 61 recommendations that have been reproduced and renumbered, along with the associated commentaries that have been shorted compared to the scientific guideline. Evidence grades and consensus levels are indicated. The guideline was commissioned and financially supported by ESPEN and the members of the guideline group were selected by ESPEN.
Introducción: Esta guía práctica de la European Society for Clinical Nutrition and Metabolism (ESPEN) proporciona información a médicos, enfermeras, dietistas, farmacéuticos, cuidadores y otros proveedores de nutrición enteral domiciliaria (NED) de forma concisa, sobre las indicaciones y contraindicaciones de la NED, así como sobre su administración y seguimiento. Esta guía también ofrece información a los pacientes interesados que necesiten NED. La nutrición parenteral domiciliaria no está incluida, pero se abordará en otra guía de la ESPEN. La guía se basa en la guía científica de la ESPEN publicada anteriormente, que consta de 61 recomendaciones (que se han reproducido y renumerado), junto con los comentarios asociados (que se han resumido en relación a la guía científica). Se indican los grados de evidencia y los niveles de consenso. La ESPEN encargó y financió la guía y seleccionó también a los miembros del grupo.
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Nutrición Enteral , Nutrición Parenteral en el Domicilio , Humanos , Sociedades Científicas , ConsensoRESUMEN
BACKGROUND: Cardiac surgery patients with a prolonged stay in the intensive care unit (ICU) are at high risk for acquired malnutrition. Medical nutrition therapy practices for cardiac surgery patients are unknown. The objective of this study is to describe the current nutrition practices in critically ill cardiac surgery patients worldwide. METHODS: We conducted a prospective observational study in 13 international ICUs involving mechanically ventilated cardiac surgery patients with an ICU stay of at least 72 h. Collected data included the energy and protein prescription, type of and time to the initiation of nutrition, and actual quantity of energy and protein delivered (maximum: 12 days). RESULTS: Among 237 enrolled patients, enteral nutrition (EN) was started, on average, 45 h after ICU admission (range, 0-277 h; site average, 53 [range, 10-79 h]). EN was prescribed for 187 (79%) patients and combined EN and parenteral nutrition in 33 (14%). Overall, patients received 44.2% (0.0%-117.2%) of the prescribed energy and 39.7% (0.0%-122.8%) of the prescribed protein. At a site level, the average nutrition adequacy was 47.5% (30.5%-78.6%) for energy and 43.6% (21.7%-76.6%) for protein received from all nutrition sources. CONCLUSION: Critically ill cardiac surgery patients with prolonged ICU stay experience significant delays in starting EN and receive low levels of energy and protein. There exists tremendous variability in site performance, whereas achieving optimal nutrition performance is doable.
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Procedimientos Quirúrgicos Cardíacos , Enfermedad Crítica , Humanos , Enfermedad Crítica/terapia , Ingestión de Energía , Apoyo Nutricional , Nutrición Enteral , Unidades de Cuidados IntensivosRESUMEN
Phase angle (PhA) and muscle strength are predictors of clinical outcomes in critically ill patients. Malnutrition may affect body composition measurements. The aim of this prospective study was to investigate the association between PhA and handgrip strength (HGS), and clinical outcomes in hospitalized COVID-19 patients. The study included a total of 102 patients. Both PhA and HGS were measured twice, within 48 h of hospital admission and on the 7th day of hospitalization. The primary outcome was the clinical status on the 28th day of hospitalization. Secondary outcomes included the hospital length of stay (LOS), the concentrations of ferritin, C-reactive protein and albumin, oxygen requirements and the severity of pneumonia. A one-way analysis of variance (ANOVA) test and Spearman rS correlation coefficient were used for statistical analysis. No differences were found for PhA [on day 1 (p = 0.769) and day 7 (p = 0.807)] and the primary outcome. A difference was found between HGS on day 1 and the primary outcome (p = 0.008), while no difference was found for HGS on day 7 (p = 0.476). Body mass index was found to be associated with the oxygen requirement on day 7 (p = 0.005). LOS was correlated neither with PhA (rs = -0.081, p = 0.422) nor with HGS (rs = 0.137, p = 0.177) on the first day. HGS could be a useful indicator of clinical outcomes in COVID-19 patients, while PhA does not seem to have a clinical impact. However, further research is needed to validate the results of our study.
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COVID-19 , Desnutrición , Humanos , Fuerza de la Mano/fisiología , Estudios Prospectivos , COVID-19/terapia , Índice de Masa CorporalRESUMEN
This ESPEN practical guideline will inform physicians, nurses, dieticians, pharmacists, caregivers and other home enteral nutrition (HEN) providers in a concise way about the indications and contraindications for HEN, as well as its implementation and monitoring. This guideline will also inform interested patients requiring HEN. Home parenteral nutrition is not included but will be addressed in a separate ESPEN guideline. The guideline is based on the ESPEN scientific guideline published before, which consists of 61 recommendations that have been reproduced and renumbered, along with the associated commentaries that have been shorted compared to the scientific guideline. Evidence grades and consensus levels are indicated. The guideline was commissioned and financially supported by ESPEN and the members of the guideline group were selected by ESPEN.
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Nutrición Enteral/normas , Servicios de Atención de Salud a Domicilio/normas , Consenso , Gastroenterología/normas , Humanos , Sociedades CientíficasRESUMEN
The COVID-19 pandemics has created unprecedented challenges and threats to patients and healthcare systems worldwide. Acute respiratory complications that require intensive care unit (ICU) management are a major cause of morbidity and mortality in COVID-19 patients. Among other important risk factors for severe COVID-19 outcomes, obesity has emerged along with undernutrition-malnutrition as a strong predictor of disease risk and severity. Obesity-related excessive body fat may lead to respiratory, metabolic and immune derangements potentially favoring the onset of COVID-19 complications. In addition, patients with obesity may be at risk for loss of skeletal muscle mass, reflecting a state of hidden malnutrition with a strong negative health impact in all clinical settings. Also importantly, obesity is commonly associated with micronutrient deficiencies that directly influence immune function and infection risk. Finally, the pandemic-related lockdown, deleterious lifestyle changes and other numerous psychosocial consequences may worsen eating behaviors, sedentarity, body weight regulation, ultimately leading to further increments of obesity-associated metabolic complications with loss of skeletal muscle mass and higher non-communicable disease risk. Therefore, prevention, diagnosis and treatment of malnutrition and micronutrient deficiencies should be routinely included in the management of COVID-19 patients in the presence of obesity; lockdown-induced health risks should also be specifically monitored and prevented in this population. In the current document, the European Society for Clinical Nutrition and Metabolism (ESPEN) aims at providing clinical practice guidance for nutritional management of COVID-19 patients with obesity in various clinical settings.
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COVID-19 , Desnutrición , Humanos , Control de Enfermedades Transmisibles , Obesidad/complicaciones , Obesidad/terapia , Desnutrición/etiología , Desnutrición/terapia , Desnutrición/diagnóstico , MicronutrientesRESUMEN
BACKGROUND: Nutrition related publications in pediatric population cover wide range of topics and therefore it is usually difficult for clinicians to get an overview of recent nutrition related guidelines or recommendations. METHODS: The Special Interest Group (SIG) of Pediatrics of European Society for Clinical Nutrition and Metabolism (ESPEN) performed a literature search to capture publications in the last five years aiming to provide the latest information concerning nutritional issues in children in general and in specific diseases and to discuss progression in the field of pediatric nutrition evidence-based practice. RESULTS: Eight major topics were identified as the most frequently reported including allergy, critical illness, neonatal nutrition, parenteral and enteral nutrition, micronutrients, probiotics and malnutrition. Furthermore, it was noted that many reports were disease focused or included micronutrients and were, therefore, represented as tables. CONCLUSION: Overall, it has been shown that most reports on nutrition topics in pediatrics were systematic reviews or guidelines/position papers of relevant societies, but many of them basing the conclusion on a limited number of high-quality randomized controlled trials or large observational cohort studies.
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Desnutrición , Nutrición Parenteral , Niño , Enfermedad Crítica/terapia , Nutrición Enteral , Humanos , Recién Nacido , Desnutrición/terapia , Estado NutricionalRESUMEN
BACKGROUND: The aim of this study was to assess depressive symptomatology prevalence among Greek adults amidst the financial crisis and to explore the association between depressive symptoms and sociodemographic and lifestyle factors. METHODS: The Hellenic National Nutrition and Health Survey including a nationally representative adult sample (3,675 adults; 48.7% males) was used. Trained personnel gathered information on sociodemographic and anthropometric characteristics and lifestyle status. Depressive symptoms were assessed using the Patient Health Questionnaire-9 (PHQ-9) and clinically relevant depressive symptomatology was defined as PHQ-9 score≥10, or on anti-depressant medication. Associations between depressive symptoms and the assessed factors were estimated using stratified multivariable logistic regression. RESULTS: The prevalence of clinically relevant depression was 9.4%. In the regression, female sex, marital status (widowed vs. married), financial difficulties (yes vs. no), professional status (employed vs. unemployed), body mass index status (overweight/obese vs. normal weight), and smoking status (current and ex-smokers vs. never smokers) were significant, with an increased likelihood for depressive symptomatology in all variables, other than employment. LIMITATIONS: The cross-sectional nature of the study does not allow detection of changes over time. Furthermore, it does not allow determining the presence of a temporal relationship between depression and the sociodemographic and lifestyle variables that we tested. CONCLUSION: This study estimates a high prevalence of depressive symptoms among adults during the Greek financial crisis and points out important associations of depressive symptoms with different sociodemographic determinants and lifestyle factors, and provides policy health makers valuable information in their efforts to deal with this epidemic.
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Depresión , Estilo de Vida , Adulto , Estudios Transversales , Depresión/epidemiología , Femenino , Grecia/epidemiología , Encuestas Epidemiológicas , Humanos , Masculino , Encuestas Nutricionales , PrevalenciaAsunto(s)
Betacoronavirus , Infecciones por Coronavirus , Pandemias , Neumonía Viral , COVID-19 , Humanos , SARS-CoV-2RESUMEN
BACKGROUND: Primary open-angle glaucoma (POAG) has been associated with cardiovascular and dietary risk factors. AIM: This study aimed to determine whether dietary practices correlate with POAG, after controlling for the most important risk factors, namely heredity and cardiovascular risk factors (diabetes mellitus, hypertension and dyslipidaemia). METHODS: Two samples of equal sizes (N = 100) were randomly selected from glaucoma outpatient services with and without POAG. Dietary habits and risk factors for POAG were recorded. RESULTS: Clinical cases can be discerned from controls in 90.5% of all cases, on account of having a familial history of glaucoma, eating less meat per week which is cooked more and with more visible fat and drinking less pure fruit juice. CONCLUSIONS: Drinking pure fruit juice, consuming more meat with less visible fat cooked to a lower effect and modest salt consumption during cooking is practical and easy-to-observe dietary advice for any patients at risk or already suffering from POAG.
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Dieta/efectos adversos , Conducta Alimentaria , Glaucoma de Ángulo Abierto/etiología , Glaucoma de Ángulo Abierto/genética , Enfermedades Metabólicas , Enfermedades Cardiovasculares/complicaciones , Femenino , Humanos , Masculino , Enfermedades Metabólicas/complicaciones , Persona de Mediana Edad , Factores de RiesgoRESUMEN
Objective: To assess whether dietary habits can be associated with the presence of primary open angle glaucoma (POAG), while taking into account hereditary factors and metabolic disease.Methods: A case-control study of 100 POAG patients and 100 controls who were queried on their dietary habits. A nonlinear canonical correlation analysis is employed to assess and plot the relationships between the measured variables.Results: Controls had lower consumption of sweets containing processed sugar and avoided eating visible fat on their meat or meat sausages (which tend to contain high amounts of meat fats not plainly obvious) while consuming pure fruit juice and pears more frequently.Conclusions: Dietary habits and practices may have both research and clinical significance in POAG; Caffeine, processed sugar and animal fat appear to have noteworthy negative effects and while caffeine has been researched extensively, more research is needed in the negative role of the other two factors. Other important dietary factors that may be implicated is fruit fiber and various fruit antioxidants and flavonoids.
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Dieta/efectos adversos , Dieta/estadística & datos numéricos , Conducta Alimentaria/fisiología , Glaucoma de Ángulo Abierto/etiología , Estado Nutricional , Anciano , Cafeína/efectos adversos , Cafeína/análisis , Estudios de Casos y Controles , Encuestas sobre Dietas , Grasas de la Dieta/efectos adversos , Grasas de la Dieta/análisis , Azúcares de la Dieta/efectos adversos , Azúcares de la Dieta/análisis , Femenino , Humanos , Masculino , Persona de Mediana Edad , Análisis Multivariante , Factores de RiesgoRESUMEN
This guideline will inform physicians, nurses, dieticians, pharmacists, caregivers and other home enteral nutrition (HEN) providers about the indications and contraindications for HEN, and its implementation and monitoring. Home parenteral nutrition is not included but will be addressed in a separate ESPEN guideline. This guideline will also inform interested patients requiring HEN. The guideline is based on current evidence and expert opinion and consists of 61 recommendations that address the indications for HEN, relevant access devices and their use, the products recommended, the monitoring and criteria for termination of HEN, and the structural requirements needed to perform HEN. We searched for meta-analyses, systematic reviews and single clinical trials based on clinical questions according to the PICO format. The evidence was evaluated and used to develop clinical recommendations implementing the SIGN method. The guideline was commissioned and financially supported by ESPEN and the members of the guideline group were selected by ESPEN.
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Nutrición Enteral/métodos , Servicios de Atención de Salud a Domicilio , Europa (Continente) , Humanos , Sociedades CientíficasRESUMEN
The beneficial effects of the Mediterranean diet (MD) adherence in reducing cardiovascular disease (CVD) risk and improving CVD-related physiological indices have been well-documented. However, the exact MD adherence duration needed for these effects to occur is under-researched. The aim of the present, two-arm, two-site study clinical trial was to assess the effects of long- vs. short-term MD adherence on the skin microvascular circulation, and quality of life. Two groups were recruited, one being long-term MD adherers (>5 years; from Greece; control group), and one of the non-adherers (from the UK), with the latter participating in a four-week MD intervention (intervention group). Our main outcome was skin microvascular function assessed by cutaneous vascular conductance (CVC). Secondary outcomes included quality of life, dietary intake, blood pressure and lipidemic profile. At the end of the intervention, both groups had high MD adherence. For the intervention group, significantly improved post-intervention CVC values were noted concerning the initial peak phase (2.0 ± 0.6 vs. 2.8 ± 0.8; p < 0.05). CVC values of the control group, were however higher at the plateau phase in comparison to the intervention group (intervention end; 3.8 ± 0.8 vs. 3.1 ± 1.2; p < 0.05). As per QoL, the physical domain was improved post-intervention (13.7 ± 1.2 vs. 15.9 ± 1.2; p < 0.05). No differences were observed in the lipidemic profile between groups, or between the baseline and final intervention phases. The findings indicate that although short-term MD adherence is effective in improving certain microvascular physiological properties and QoL domains, there is room for additional improvement, observed in long-term adherers. Our findings are important in the design of future, MD-based, lifestyle interventions, with the advisable durations differing between target groups.
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Enfermedades Cardiovasculares/prevención & control , Dieta Saludable , Dieta Mediterránea , Microcirculación , Microvasos/fisiología , Calidad de Vida , Piel/irrigación sanguínea , Adolescente , Adulto , Anciano , Biomarcadores/sangre , Enfermedades Cardiovasculares/diagnóstico , Enfermedades Cardiovasculares/epidemiología , Ingestión de Energía , Inglaterra/epidemiología , Femenino , Grecia/epidemiología , Humanos , Lípidos/sangre , Masculino , Persona de Mediana Edad , Valor Nutritivo , Cooperación del Paciente , Ingesta Diaria Recomendada , Flujo Sanguíneo Regional , Conducta de Reducción del Riesgo , Factores de Tiempo , Adulto JovenRESUMEN
Gene promoter methylation is a common epigenetic event, taking place in the early phase of tumorigenesis, which has a great potential as a diagnostic and prognostic cancer biomarker. In this umbrella review, we provide an overview on the association between gene-promoter methylation of protein-coding genes and cancer risk based on currently available meta-analyses data on gene promoter methylation. We searched MEDLINE via PubMed and the Cochrane Database of Systematic Reviews for meta-analyses that examine the association between gene-promoter methylation and cancer, published until January 2019 in English. We used AMSTAR to assess the quality of the included studies and applied a set of pre-specified criteria to evaluate the magnitude of each association. We provide a comprehensive overview of 80 unique combinations between 22 different genes and 18 cancer outcomes, all of which indicated a positive association between promoter hypermethylation and cancer. In total, the 70 meta-analyses produced significant results under a random-effects model with odds ratios that ranged from 1.94 to 26.60, with the summary effect being in favor of the unmethylated group in all cases. Three of the strong evidence associations involve RASSF1 methylation on bladder cancer risk (ORâ¯=â¯18.46; 95% CI: 12.69-26.85; I2â¯=â¯0%), MGMT methylation on NSCLC (ORâ¯=â¯4.25; 95% CI: 2.83-6.38; I2â¯=â¯22.4%) and RARB methylation on prostate cancer (ORâ¯=â¯6.87; 95% CI: 4.68-10.08; I2â¯=â¯0%). Meta-analyses showed a moderate quality, AMSTAR score ranging from 4 to 9 (Mdnâ¯=â¯8; IQR: 7.0 to 8.0). As primary studies and meta-analyses on the subject accumulate, more genetic loci may be found to be highly associated with specific cancer types and hence the biomarker sets will become wider.