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      Apoyo nutricional perioperatorio en pacientes con neoplasia colorrectal Translated title: Perioperative nutritional support in patients with colorectal neoplasms

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          Abstract

          Objetivos: La desnutrición se asocia con elevadas tasas de morbi-mortalidad postoperatoria. Nos proponemos evaluar la efectividad de un programa de apoyo nutricional perioperatorio entre pacientes sometidos a cirugía mayor oncológica. Métodos: Estudio prospectivo aleatorizado sobre una muestra de pacientes intervenidos por neoplasia del tubo digestivo bajo durante un periodo de 3 años. Se realizó una valoración nutricional y se administró de forma perioperatoria una formula enteral inmunomoduladora a un grupo de pacientes malnutridos (DS), mientras que otro grupo de pacientes malnutridos (DNS) y los normonutridos recibieron sólo consejo dietético antes de la cirugía. Las variables estudiadas fueron edad, sexo, tipo de neoplasia y estancia hospitalaria. También se recogieron la situación nutricional, mortalidad, complicaciones postoperatorias y alteraciones gastrointestinales. Para el análisis estadístico realizamos un estudio de frecuencias y aplicamos el test de Chi-cuadrado en las variables cualitativas. Para las cuantitativas usamos la ANOVA y el test Post-hoc de Tukey. Se consideraron significativos aquellos valores de p < 0.05. Resultados: Estudio sobre 82 pacientes divididos en 3 grupos estadísticamente comparables entre sí. Se encontraron diferencias estadísticamente significativas en la incidencia de complicaciones gastrointestinales, estancia hospitalaria (p:0,001) y mortalidad (p:0,004) entre los dos grupos de pacientes malnutridos. Conclusiones: Se ha demostrado una mejor evolución tras la cirugía en el grupo de pacientes normonutridos y el de DS. Se observaron en estos pacientes una menor ingresacidencia de complicaciones gastrointestinales, acortamiento de la estancia hospitalaria y disminución de la morbimortalidad con diferencias estadísticamente significativas respecto al grupo DNS.

          Translated abstract

          Objectives: Malnutrition is clearly associated with increased morbidity and mortality after elective abdominal surgery. The purpose of this study was to compare perioperative nutritional support with traditional postoperative dietary management, evaluating its efficacy to reduce surgical complications, stances and mortality significantly in patients undergoing major colorectal procedures. Method: A prospective, randomized trial was done among a sample of neoplasic patients undergoing intestinal resective surgery during a period of near 3 years. A perioperative immune-enhancing formula was randomly assigned to a group of patients who presented malnourished preoperatively (DS) while well-nourished and the rest of malnourished patients (DNS) received conventional postoperative intravenous fluids until the reintroduction of normal diet. The variables studied were: age, sex, tumor stage and length of hospital stay. Nutritional status at admission and discharge, mortality, outcome from surgery and gastrointestinal side effects (tolerability, diarrhoea, vomits or distension) were also collected. Statistical analyses were performed with the with the chi(2), ANOVA and the Turkey post-hoc tests, with a significance of 95%. Results: Sample conformed by 82 patients. The 3 groups were comparable for all baseline and surgical characteristics. Significant differences were observed in the incidence of gastrointestinal complications, length of hospital stay (DS: 13.15±5.26; DNS: 19.34±9.6; p=0,001) and mortality (DS: 13.8%, DNS:30%, p=0,004). Conclusions: Significant benefit from perioperative nutritional support has been demonstrated in severely malnourished patients undergoing major surgery. A statistically significant decrease in the incidence of postoperative gastrointestinal symptoms, a reduction in the length of hospital stay and less morbidity and mortality occurred on the group that received perioperative nutrition.

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          CONUT: A tool for Controlling Nutritional Status. First validation in a hospital population

          Background: The serious problem of hospital undernutrition is still being underestimated, despite its impact on clinical evolution and costs. The screening methods developed so far are not useful for daily clinical practice due to their low effectiveness/cost ratio. Objective:We present an screening tool for CONtrolling NUTritional status (CONUT) that allows an automatic daily assessment of nutritional status of all inpatients that undergo routine analysis. Design: The system is based on a computer application that compiles daily all useful patient information available in hospital databases, through the internal network. It automatically assesses the nutritional status taking into account laboratory information including serum albumin, total cholesterol level and total lymphocyte count. We have studied the association between the results of the Subjective Global Assessment (SGA) and Full Nutritional Assessment (FNA) with those from CONUT, in a sample of 53 individuals. Results: The agreement degree between CONUT and FNA as measured by kappa index is 0.669 (p = 0.003), and between CONUT and SGA is 0.488 (p = 0.034). Considering FNA as "gold standard" we obtain a sensitivity of 92.3 and a specificity of 85.0. Conclusions: CONUT seems to be an efficient tool for early detection and continuous control of hospital undernutrition, with the suitable characteristics for these screening functions.
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            ESPEN Guidelines on Enteral Nutrition: Surgery including organ transplantation.

            Enhanced recovery of patients after surgery ("ERAS") has become an important focus of perioperative management. From a metabolic and nutritional point of view, the key aspects of perioperative care include: Enteral nutrition (EN) by means of oral nutritional supplements (ONS) and if necessary tube feeding (TF) offers the possibility of increasing or ensuring nutrient intake in cases where food intake is inadequate. These guidelines are intended to give evidence-based recommendations for the use of ONS and TF in surgical patients. They were developed by an interdisciplinary expert group in accordance with officially accepted standards and are based on all relevant publications since 1980. The guideline was discussed and accepted in a consensus conference. EN is indicated even in patients without obvious undernutrition, if it is anticipated that the patient will be unable to eat for more than 7 days perioperatively. It is also indicated in patients who cannot maintain oral intake above 60% of recommended intake for more than 10 days. In these situations nutritional support should be initiated without delay. Delay of surgery for preoperative EN is recommended for patients at severe nutritional risk, defined by the presence of at least one of the following criteria: weight loss >10-15% within 6 months, BMI<18.5 kg/m(2), Subjective Global Assessment Grade C, serum albumin <30 g/l (with no evidence of hepatic or renal dysfunction). Altogether, it is strongly recommended not to wait until severe undernutrition has developed, but to start EN therapy early, as soon as a nutritional risk becomes apparent.
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              The influence of nutritional status on complications after major intraabdominal surgery.

              Currently most nutritional assessment techniques are based on their ability to predict clinical outcomes. However, the validity of any of these techniques to truly measure "nutritional risk" has not been proved. We have therefore prospectively assessed the prognostic value of two nutritional assessment techniques and nonnutritional factors in determining outcome after major abdominal surgery. At admission and discharge, 100 patients undergoing major abdominal surgery were assessed on the following items: Subjective Global Assessment, Nutritional Risk Index, anthropometric measurements, serum total protein, serum albumin, lymphocyte count, total serum cholesterol. Patients were monitored for postoperative complications until death or discharge. At admission, 44% of the patients were malnourished according to the Subjective Global Assessment, while 61% of the patients were malnourished according to the Nutritional Risk Index. At discharge, these numbers were 67% and 82%, respectively. Higher death rates were found in the malnourished groups. The risk of complication was increased in malnourished patients with both assessment techniques. The odds ratios for the association between malnutrition and complications varied between 1.926 and 9.854 with both assessments. The presence of cancer in the patient was predictive for complication. Malnutrition is a marker of bad outcomes. Both Subjective Global Assessment and Nutritional Risk Index nutrition tests are predictive for malnutrition and postoperative complications in patients undergoing major abdominal surgery.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                nh
                Nutrición Hospitalaria
                Nutr. Hosp.
                Sociedad Española de Nutrición Parenteral y Enteral (Madrid )
                0212-1611
                October 2010
                : 25
                : 5
                : 797-805
                Affiliations
                [1 ] Hospital General Universitario Reina Sofía de Murcia Spain
                [2 ] Hospital General Universitario Reina Sofía de Murcia Spain
                [3 ] Hospital General Universitario Reina Sofía de Murcia Spain
                Article
                S0212-16112010000500018
                0faac515-2d69-4a8a-bf25-71f691f30fd6

                http://creativecommons.org/licenses/by/4.0/

                History
                Categories
                NUTRITION & DIETETICS

                Nutrition & Dietetics
                Enteral perioperative nutrition,Colorectal neoplasm,Malnutrition,Immune-enhancing formula,Nutrición enteral perioperatoria,Neoplasia colorrectal,Malnutrición,Fórmula inmunomoduladora

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