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      Impact of nutritional risk on 28-day mortality and the prevalence of underfeeding in critically ill patients: a prospective cohort study Translated title: Impacto del riesgo nutricional sobre la mortalidad al día 28 y prevalencia de subalimentación en pacientes de terapia intensiva: estudio prospectivo de cohorte

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          Abstract

          Abstract Introduction: nutritional risk is an important prognostic factor in hospitalized patients, but frequently it is underappreciated and not considered as a part of the prognostic evaluation in patients from intensive care units. Objective: to evaluate the association between nutritional risk and 28-day mortality and characterize the nutritional support in critically ill patients. Methods: this was a single-center, prospective cohort study was performed over 7 months in a Medical-surgical ICU of a tertiary hospital in Mexico. From 352 admissions a consecutive sample of 110 patients was included. All of them were ≥ 18 years old, with ≥ 48 h of stay in ICU and with the consent to participate. Nutritional risk assessed by the modified NUTRIC score (mNUTRIC score), 28-day mortality and nutritional support characteristics were recorded. Results: the patient characteristics: mean age 50.7 ± 16.8 years, APACHE II score 15.5 ± 5.8, SOFA score 6.9 ± 3, invasive mechanical ventilation (IMV) 65.5 % and 28-day mortality 23.6 %. High nutritional risk (31.8 %) was associated with 28-day mortality (RR 5.81, 95 % CI 2.69-12.53). In the surviving group, the mNUTRIC score correlated with the length of stay (LOS) in the ICU (r = 0.216, p = 0.049), LOS in the hospital (r = 0.230, p = 0.036) and IMV duration (r = 0.306, p = 0.037). Nutritional support was administered in 55.4 % of the patients, reaching only 52.9 % and 46 % of the energy and protein requirements, respectively. Only 18 % and 21.3 % of the patients achieved the energy and protein requirements, respectively. Conclusions: high nutritional risk was associated with a higher risk of 28-day mortality. Less than a quarter of the patients receiving nutritional support reached the energy and protein requirements.

          Translated abstract

          Resumen Introducción: el riesgo nutricional es un factor pronóstico importante en pacientes hospitalizados, pero frecuentemente es infravalorado y no se considera dentro de la evaluación de los pacientes en unidades de cuidados intensivos. Objetivo: evaluar la asociación del riesgo nutricional con la mortalidad al día 28 en pacientes críticos y caracterizar el soporte nutricional. Métodos: se desarrolló un estudio de cohorte prospectivo durante 7 meses en una UCI de tercer nivel en México. Se obtuvo una muestra consecutiva con 110 pacientes de 352 elegibles, con edad ≥ 18 años, estancia ≥ 48 h en UCI, datos completos y consentimiento para participar. El riesgo nutricional fue evaluado con NUTRIC score modificado (mNUTRIC score) y se registró la mortalidad al día 28 y las características del soporte nutricional. Resultados: los pacientes tenían una edad de 50,7 ± 16,8 años; APACHE II, 15,5 ± 5,8; SOFA, 6,9 ± 3; ventilación mecánica invasiva (VMI) en 65,5 % y el 23,6 % de los pacientes falleció al día 28. El alto riesgo nutricional (31,8 %) se asoció con la mortalidad al día 28 (RR 5,81, IC 95 %, 2,69-12,53). En los supervivientes, el mNUTRIC score tuvo correlación con las duraciones de la estancia en UCI (ℓ = 0,216, p = 0,049), estancia hospitalaria (ℓ = 0,230, p = 0,036) y VMI (ℓ = 0,306, p = 0,037). El 55,4 % de los pacientes recibió soporte nutricional. Lograron el 52,9 % y 46 % de las metas energéticas y proteicas, respectivamente. Solo el 18 % alcanzó la meta energética y el 21,3 %, la meta proteica. Conclusiones: los pacientes con alto riesgo nutricional tienen mayor riesgo de morir al día 28. Menos de un cuarto de los pacientes con soporte nutricional alcanzó las metas nutricionales.

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          ESPEN guideline on clinical nutrition in the intensive care unit

          Following the new ESPEN Standard Operating Procedures, the previous guidelines to provide best medical nutritional therapy to critically ill patients have been updated. These guidelines define who are the patients at risk, how to assess nutritional status of an ICU patient, how to define the amount of energy to provide, the route to choose and how to adapt according to various clinical conditions. When to start and how to progress in the administration of adequate provision of nutrients is also described. The best determination of amount and nature of carbohydrates, fat and protein are suggested. Special attention is given to glutamine and omega-3 fatty acids. Particular conditions frequently observed in intensive care such as patients with dysphagia, frail patients, multiple trauma patients, abdominal surgery, sepsis, and obesity are discussed to guide the practitioner toward the best evidence based therapy. Monitoring of this nutritional therapy is discussed in a separate document.
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            Guidelines for the Provision and Assessment of Nutrition Support Therapy in the Adult Critically Ill Patient: Society of Critical Care Medicine (SCCM) and American Society for Parenteral and Enteral Nutrition (A.S.P.E.N.).

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              The relationship between nutritional intake and clinical outcomes in critically ill patients: results of an international multicenter observational study.

              The objective of this study was to examine the relationship between the amount of energy and protein administered and clinical outcomes, and the extent to which pre-morbid nutritional status influenced this relationship. We conducted an observational cohort study of nutrition practices in 167 intensive care units (ICUs) across 21 [corrected] countries. Patient demographics were collected, and the type and amount of nutrition received were recorded daily for a maximum of 12 days. Patients were followed prospectively to determine 60-day mortality and ventilator-free days (VFDs). We used body mass index (BMI, kg/m2) as a marker of nutritional status prior to ICU admission. Regression models were developed to evaluate the relationship between nutrition received and 60-day mortality and VFDs, and to examine how BMI modifies this relationship. Data were collected on 2,772 mechanically ventilated patients who received an average of 1,034 kcal/day and 47 g protein/day. An increase of 1,000 cal per day was associated with reduced mortality [odds ratio for 60-day mortality 0.76; 95% confidence intervals (CI) 0.61-0.95, p = 0.014] and an increased number of VFDs (3.5 VFD, 95% CI 1.2-5.9, p = 0.003). The effect of increased calories associated with lower mortality was observed in patients with a BMI or =35 with no benefit for patients with a BMI 25 to or =35.
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                Author and article information

                Journal
                nh
                Nutrición Hospitalaria
                Nutr. Hosp.
                Grupo Arán (Madrid, Madrid, Spain )
                0212-1611
                1699-5198
                June 2020
                : 37
                : 3
                : 414-421
                Affiliations
                [3] León orgnameHospital Regional de Alta Especialidad del Bajío orgdiv1Intensive Care Unit Mexico
                [4] León orgnameHospital Regional de Alta Especialidad del Bajío orgdiv1Department of Research Mexico
                [1] Guanajuato orgnameUniversidad de Guanajuato orgdiv1Campus León orgdiv2Department of Medicine and Nutrition Mexico
                [2] León orgnameHospital Regional de Alta Especialidad del Bajío orgdiv1Intensive Care Unit Mexico
                Article
                S0212-16112020000400414 S0212-1611(20)03700300414
                10.20960/nh.02901
                32406741
                05ccebfd-e599-49ef-aa6f-2fe0628f23b7

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 20 February 2020
                : 06 October 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 42, Pages: 8
                Product

                SciELO Spain

                Categories
                Original Papers

                Riesgo nutricional,Enteral,Nutrición,Paciente crítico,Mortalidad al día 28,Parenteral,NUTRIC score,Nutrition risk,Nutrition,Critical care,28-day mortality

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