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Background Malnutrition is a significant risk factor for postoperative complications in patients undergoing colorectal cancer surgery. Although current guidelines recommend preoperative immunonutrition for malnourished patients, its clinical benefit remains controversial. Our previous randomized clinical trial assessing immunonutrition in unselected colon cancer patients showed no reduction in infectious complications. This study aims to evaluate the efficacy of preoperative immunonutrition in reducing postoperative complications in malnourished patients undergoing colorectal cancer surgery. Methods This multicenter, parallel, superiority, randomized clinical trial will include patients with primary colorectal cancer and Nutritional Risk Screening (NRS) 2002 score of 3–5 from eight participating institutions. Patients will be randomly assigned (1:1) to receive either preoperative immunonutrition with oral nutritional supplements (400 mL/day) containing arginine and ω-3 fatty acids for 7 days before surgery (intervention group) or a standard preoperative diet alone (control group). The primary endpoint is the rate of infectious complications within 30 days postoperatively. Secondary endpoints include overall postoperative complication rate, length of hospital stay, perioperative body weight changes, and alterations in nutritional and immune response markers (serum transferrin, prealbumin, albumin, cytokines, prostaglandin E2, high-sensitivity C-reactive protein). A sample size of 176 patients (88 per arm) was determined to detect a significant reduction in infectious complications from 30% (control) to 12% (intervention), with 80% power and a two-sided α of 0.05. Discussion This study addresses a critical gap in evidence by focusing on nutritionally at-risk colorectal cancer patients. Unlike previous trials on unselected populations, this trial specifically evaluates the impact of immunonutrition in a high-risk group in which nutritional optimization may yield clinical benefits. Additionally, the multicenter design enhances generalizability. If preoperative immunonutrition effectively reduces postoperative complications, it could support a targeted nutritional intervention strategy for malnourished colorectal cancer patients, optimizing perioperative care and potentially reducing the healthcare burden. Trial registration Clinical Research Information Service KCT0008382. Registered on April 25, 2023.

Despite the high prevalence of malnutrition in the general inpatient population, there is a lack of knowledge in regard to detecting disease-related malnutrition and implementing nutritional support. Our aim was to suggest practical procedures for screening and treating malnourished or at-risk patients hospitalized in medical wards, thereby fostering a straightforward implementation of nutritional therapy independent of the underlying disease and comorbidities. A working group of experts in clinical nutrition selected and analyzed published disease-specific European Society for Clinical Nutrition and Metabolism (ESPEN) guidelines relevant for our aim. Eight questions in population, intervention, control, outcome format were defined to cover topics such as screening, nutritional targets, and routes of feeding. Individual studies were extracted from the guidelines by applying inclusion and exclusion criteria targeting the heterogeneous population of medical inpatients with or at-risk of disease-related malnutrition. We used those studies as evidence, as well as recommendations from the selected ESPEN guidelines, to formulate answers to the questions. Final agreement with the statement was obtained by consensus of the whole working group. Procedures on how to provide integrated nutritional therapy (oral, enteral, and parenteral) to a heterogeneous patient population were suggested, including how to identify malnourished or at-risk patients, nutrient targets, choice of feeding route, monitoring, and assessment of patients. We also developed a simple algorithm to facilitate the implementation of a nutritional care plan for the general medical inpatient population. By compiling evidence and recommendations from disease-specific guidelines, we were able to suggest a nutritional strategy applicable to large and heterogeneous group of malnourished or at-risk patients admitted to hospitals. A large randomized controlled trial is currently investigating whether this strategy improves clinical outcomes of patients. •There are several guidelines for the nutritional management of specific diseases.•It is challenging to use those guidelines on polymorbid medical inpatients.•A group of experts scrutinised and pooled the evidence behind relevant guidelines.•Procedures to identify and treat malnutrition on medical inpatients were suggested.•A practical algorithm to provide integrated nutritional therapy was developed.

Background and Aims: Malnutrition is associated with poor clinical outcomes. Whether there is a causal relationship or it merely mirrors a severe patient condition remains unclear. We examined the association of malnutrition with biomarkers characteristic of different pathophysiological states to better understand the underlying etiological mechanisms. Methods: We prospectively followed consecutive adult medical inpatients. Multivariable regression models were used to investigate the associations between malnutrition - as assessed using the Nutritional Risk Screening (NRS 2002) - and biomarkers linked to inflammation, stress, renal dysfunction, nutritional status and hematologic function. Results: A total of 529 patients were included. In a fully adjusted model, malnutrition was significantly associated with the inflammatory markers procalcitonin (0.20, 95% CI 0.03-0.37), proadrenomedullin (0.28, 95% CI 0.12-0.43) and albumin (-0.39, 95% CI -0.57 to -0.21), the stress marker copeptin (0.34, 95% CI 0.17-0.51), the renal function marker urea (0.23, 95% CI 0.07-0.38), the nutritional markers vitamin D25 (-0.22, 95% CI -0.41 to -0.02) and corrected calcium (0.29, 95% CI 0.10-0.49) and the hematological markers hemoglobin (-0.27, 95% CI -0.43 to -0.10) and red blood cell distribution width (0.26, 95% CI 0.07-0.44). Subgroup analysis suggested that acute malnutrition rather than chronic malnutrition was associated with elevated biomarker levels. Conclusion: Acute malnutrition was associated with a pronounced inflammatory response and an alteration in biomarkers associated with different pathophysiological states. Interventional trials are needed to prove causality.

Background Despite consistent efforts to enhance child nutrition, poor nutritional status of children continues to be a major public health problem in Nepal. This study identified the predictors of severe acute malnutrition (SAM) among children aged 6 to 59 months in the two districts of Nepal. Methods We used data from a cross-sectional study conducted among 6 to 59 months children admitted to the Outpatient Therapeutic Care Centers (OTCC). The nutritional status of children was assessed using mid-upper arm circumference (MUAC) measurement. To determine which variables predict the occurrence of SAM, adjusted odds ratio was computed using multivariate logistic regression and p -value < 0.05 was considered as significant. Results Out of 398 children, 5.8% were severely malnourished and the higher percentage of female children were malnourished. Multivariate analysis showed that severe acute malnutrition was significantly associated with family size (five or more members) (Adjusted Odds Ratio [AOR]: 3.96; 95% Confidence Interval [CI]: 1.23–12.71). Children from severely food insecure households (AOR: 4.04; 95% CI: 1.88–10.53) were four times more likely to be severely malnourished. Higher odds of SAM were found among younger age-group (AOR: 12.10; 95% CI: 2.06–71.09) children (0–12 vs. 24–59 months). Conclusions The findings of this study indicated that household size, household food access, and the child’s age were the major predictors of severe acute malnutrition. Engaging poor families in kitchen gardening to ensure household food access and nutritious diet to the children, along with health education and promotion to the mothers of young children are therefore recommended to reduce child undernutrition.

Finding the most appropriate strategy for the prevention of moderate acute malnutrition (MAM) and severe acute malnutrition (SAM) in young children is essential in countries like Niger with annual \"hunger gaps.\" Options for large-scale prevention include distribution of supplementary foods, such as fortified-blended foods or lipid-based nutrient supplements (LNSs) with or without household support (cash or food transfer). To date, there has been no direct controlled comparison between these strategies leading to debate concerning their effectiveness. We compared the effectiveness of seven preventive strategies-including distribution of nutritious supplementary foods, with or without additional household support (family food ration or cash transfer), and cash transfer only-on the incidence of SAM and MAM among children aged 6-23 months over a 5-month period, partly overlapping the hunger gap, in Maradi region, Niger. We hypothesized that distributions of supplementary foods would more effectively reduce the incidence of acute malnutrition than distributions of household support by cash transfer. We conducted a prospective intervention study in 48 rural villages located within 15 km of a health center supported by Forum Santé Niger (FORSANI)/Médecins Sans Frontières in Madarounfa. Seven groups of villages (five to 11 villages) were allocated to different strategies of monthly distributions targeting households including at least one child measuring 60 cm-80 cm (at any time during the study period whatever their nutritional status): three groups received high-quantity LNS (HQ-LNS) or medium-quantity LNS (MQ-LNS) or Super Cereal Plus (SC+) with cash (€38/month [US$52/month]); one group received SC+ and family food ration; two groups received HQ-LNS or SC+ only; one group received cash only (€43/month [US$59/month]). Children 60 cm-80 cm of participating households were assessed at each monthly distribution from August to December 2011. Primary endpoints were SAM (weight-for-length Z-score [WLZ]<-3 and/or mid-upper arm circumference [MUAC]<11.5 cm and/or bipedal edema) and MAM (-3≤WLZ<-2 and/or 11.5≤MUAC<12.5 cm). A total of 5,395 children were included in the analysis (615 to 1,054 per group). Incidence of MAM was twice lower in the strategies receiving a food supplement combined with cash compared with the cash-only strategy (cash versus HQ-LNS/cash adjusted hazard ratio [HR]=2.30, 95% CI 1.60-3.29; cash versus SC+/cash HR=2.42, 95% CI 1.39-4.21; cash versus MQ-LNS/cash HR=2.07, 95% CI 1.52-2.83) or with the supplementary food only groups (HQ-LNS versus HQ-LNS/cash HR=1.84, 95% CI 1.35-2.51; SC+ versus SC+/cash HR=2.53, 95% CI 1.47-4.35). In addition, the incidence of SAM was three times lower in the SC+/cash group compared with the SC+ only group (SC+ only versus SC+/cash HR=3.13, 95% CI 1.65-5.94). However, non-quantified differences between groups, may limit the interpretation of the impact of the strategies. Preventive distributions combining a supplementary food and cash transfer had a better preventive effect on MAM and SAM than strategies relying on cash transfer or supplementary food alone. As a result, distribution of nutritious supplementary foods to young children in conjunction with household support should remain a pillar of emergency nutritional interventions. Additional rigorous research is vital to evaluate the effectiveness of these and other nutritional interventions in diverse settings. ClinicalTrials.gov NCT01828814 Please see later in the article for the Editors' Summary.

Lipid-based nutrient supplements (LNS) and corn-soy blends (CSBs) with varying soy and milk content are used in treatment of moderate acute malnutrition (MAM). We assessed the impact of these supplements on child development. We conducted a randomised 2 × 2 × 3 factorial trial to assess the effectiveness of 12 weeks' supplementation with LNS or CSB, with either soy isolate or dehulled soy, and either 0%, 20%, or 50% of protein from milk, on child development among 6-23-month-old children with MAM. Recruitment took place at 5 health centres in Province du Passoré, Burkina Faso between September 2013 and August 2014. The study was fully blinded with respect to soy quality and milk content, while study participants were not blinded with respect to matrix. This analysis presents secondary trial outcomes: Gross motor, fine motor, and language development were assessed using the Malawi Development Assessment Tool (MDAT). Of 1,609 children enrolled, 54.7% were girls, and median age was 11.3 months (interquartile range [IQR] 8.2-16.0). Twelve weeks follow-up was completed by 1,548 (96.2%), and 24 weeks follow-up was completed by 1,503 (93.4%); follow-up was similar between randomised groups. During the study, 4 children died, and 102 children developed severe acute malnutrition (SAM). There was no difference in adverse events between randomised groups. At 12 weeks, the mean MDAT z-scores in the whole cohort had increased by 0.33 (95% CI: 0.28, 0.37), p < 0.001 for gross motor; 0.26 (0.20, 0.31), p < 0.001 for fine motor; and 0.14 (0.09, 0.20), p < 0.001 for language development. Children had larger improvement in language z-scores if receiving supplements with milk (20%: 0.09 [-0.01, 0.19], p = 0.08 and 50%: 0.11 [0.01, 0.21], p = 0.02), although the difference only reached statistical significance for 50% milk. Post hoc analyses suggested that this effect was specific to boys (interaction p = 0.02). The fine motor z-scores were also improved in children receiving milk, but only when 20% milk was added to CSB (0.18 [0.03, 0.33], p = 0.02). Soy isolate over dehulled soy increased language z-scores by 0.07 (-0.01, 0.15), p = 0.10, although not statistically significant. Post hoc analyses suggested that LNS benefited gross motor development among boys more than did CSB (interaction p = 0.04). Differences between supplement groups did not persist at 24 weeks, but MDAT z-scores continued to increase post-supplementation. The lack of an unsupplemented control group limits us from determining the overall effects of nutritional supplementation for children with MAM. In this study, we found that child development improved during and after supplementation for treatment of MAM. Milk protein was beneficial for language and fine motor development, while suggested benefits related to soy quality and supplement matrix merit further investigation. Supplement-specific effects were not found post-intervention, but z-scores continued to improve, suggesting a sustained overall effect of supplementation. ISRCTN42569496.

To construct and apply a risk screening and intervention system for malnutrition in peritoneal dialysis patients based on the Omaha System. A total of 75 peritoneal dialysis patients were randomly divided into control (38 cases) and intervention group (37 cases). The control group received routine operation training and health education, and the intervention group implemented a nutritional management plan based on the Omaha System. The modified quantitative subjective comprehensive nutritional scale (MQSGA) score, kidney disease dietary compliance attitude (RAAQ) and behavior (RABQ) score, body mass index (BMI), serum albumin (ALB), prealbumin (PA), and hemoglobin (Hb) were observed. Before intervention, there was no significant difference in these indicators between the two groups (p > 0.05). After 6 months, the MQSGA score in the intervention group was significantly lower than that in the control group (p < 0.05). RAAQ score and RABQ score in the intervention group were higher than those in the control group and (p < 0.05), and the nutritional indicators in the intervention group, such as BMI, ALB, PA, and Hb, were higher than those in the control group (p < 0.05). A nutritional management plan based on the Omaha System can help improve the nutrition condition of peritoneal dialysis patients, and improve the dietary compliance of chronic kidney disease patients.

Background: The malnutrition–inflammation score (MIS) is a practical and accessible tool for evaluating protein energy wasting (PEW) in patients on dialysis. However, the severity of PEW at each stage of chronic kidney disease (CKD), especially with late dialysis initiation, is unclear. Methods: We evaluated the MIS of 3659 patients with CKD stages 1–5 and the changes in their MIS results at baseline and at the time before dialysis initiation. Patients were defined to have PEW if they had a subjective global assessment (SGA) rating of C or lower. Results: The MIS increased substantially over a follow-up period of 6.12 years for 1124 patients just starting dialysis, with 49.3% having an MIS of 8. The pre-dialysis MIS was associated with baseline MIS, age, cardiovascular disease, and cancer. The prevalence of PEW based on an SGA rating of C or lower increased from 10.5% at baseline to 61.2% immediately before dialysis. The prevalence of PEW based on an MIS of ≥8 increased from 28.5% at baseline to 49.3% immediately before dialysis. In CKD stage 5 patients, 29.4% had PEW based on an MIS of 8 or less, and 11.6% had an SGA rating of C. The MIS was revealed to be associated with renal function, nutritional markers, and cardiometabolic disease (diabetes or cardiovascular disease). Conclusions: In conclusion, the MIS increased as CKD progressed to stages 4 and 5, as well as just prior to dialysis. Our study identified patients who required PEW assessment on the basis of their MIS results.

Identifying nutritional deficits and implementing appropriate interventions in patients requiring vascular surgery is challenging due to the paucity of appropriate screening and assessment tools in this group. This retrospective study aimed to determine the validity of the Global Leadership Initiative on Malnutrition (GLIM) in identifying protein–energy malnutrition (PEM) in inpatients admitted to a vascular surgery unit, using the PG-SGA as the comparator. Diagnostic accuracy and consistency were determined between the GLIM and the Patient-Generated Subjective Global Assessment (PG-SGA) global rating. The GLIM determination was made retrospectively using the relevant parameters collected at baseline in the original study. Two hundred and twenty-four (70·1 % male) participants were included. The prevalence of PEM was 28·6 % on GLIM and 17 % via the PG-SGA. Compared with the PG-SGA, the GLIM achieved sensitivity of 73·7 % and specificity of 80·6 %; however positive predictive value was 43·7 % indicating that the GLIM over-diagnosed malnutrition compared with the PG-SGA. Kappa reached 0·427 indicating moderate diagnostic consistency. Due to the absence of an ideal instrument and the complexity of malnutrition often seen in this group which extends beyond PEM to significant micronutrient deficiencies, further work is required to determine the most appropriate instrument in this patient group, and how micronutrient status can also be included in the overall assessment given the critical role of micronutrients in this group.

Backgrounds/objectives:Malnutrition is very common in acute hip fracture (HF) patients. Studies differ widely in their findings, with reported prevalences between 31 and 88% mainly because of small sample sizes and the use of different criteria. The aim of this study was to learn the prevalence of malnutrition in a large cohort of HF patients in an comprehensive way that includes the frequency of protein-energy malnutrition, vitamin D deficiency and sarcopenia.Subjects/methods:A 1-year consecutive sample of patients admitted with fragility HF in a 1300-bed public University Hospital, who were assessed within the first 72 h of admission. Clinical, functional, cognitive and laboratory variables were included. Energy malnutrition (body mass index (BMI) <22 kg/m2 ), protein malnutrition (serum total protein <6.5 g/dl or albumin <3.5 g/dl), vitamin D deficiency (serum 25-OH-vitamin D <30 ng/dl) and sarcopenia (low muscle mass plus low grip strength) were considered.Results:Five hundred nine HF patients were included. The mean age was 85.6±6.9 years and 79.2% were women. Ninety-nine (20.1%) patients had a BMI <22 kg/m2 . Four hundred nine patients (81.2%) had protein malnutrition. Eighty-seven (17.1%) patients had both energy and protein malnutrition. Serum vitamin D was <30 ng/ml in 466 (93%) patients. The prevalence of sarcopenia was 17.1%.Conclusions:Protein malnutrition and vitamin D deficiency are the rule in acute HF patients. Energy malnutrition and sarcopenia are also common. A nutritional assessment in these patients should include these aspects together.