Nutrition in Clinical Practice最新文献

Evidence of poor nutrition status in a patient present on admission to the intensive care unit is associated with worse clinical outcomes than that for a well-nourished patient who becomes critically ill. Diagnosing malnutrition in this setting is fraught with difficulty, though, because elements of nutrition history are hard to obtain, the interpretation of anthropometric parameters is influenced by the disease process and interventions of critical care and the subjectivity of traditional assessment tools lacks precision. Determining the severity of disease drives the initial management and sets priorities in the derivation of the nutrition plan, focusing on strategies that promote survival. Its design should provide safe and effective nutrition support, avoiding aggressive feeding to make up for deficits in the acute phase of critical illness. In time, with resuscitation and stabilization, addressing pre-existing or developing malnutrition will change management and alter the design of the nutrition therapy.

Aims: The present study evaluated the effect of oral zinc supplementation on shortening hospital length of stay.

Methods: A systematic review was conducted for randomized control trials in patients who were hospitalized regardless of age and cause of admission. Studies were collected from PubMed, Web of Science, SCOPUS, and the Cochrane Library until July 2023. Results were compared between the zinc group and those who received a placebo and/or the standard therapy.

Results: Eight studies were qualified for our meta-analysis. Of the 1267 patients, 633 and 634 were in the zinc supplementation and control groups, respectively. The meta-analysis found that oral zinc supplementation group experienced a lower length of hospital stay than the control group (mean difference, -0.43 days; 95% confidence interval, -0.65 to -0.22; P < 0.0001; heterogeneity, I² = 20%).

Conclusion: The administration of oral zinc supplements was associated with a slightly reduced duration of hospital stay.

Background: Postoperative pancreatic fistula (POPF) remains one of the most severe complications after pancreatic surgery. The methods for predicting pancreatic fistula are limited. We aimed to investigate the predictive value of body composition parameters measured by preoperative bioelectrical impedance analysis (BIA) on the development of POPF.

Methods: A total of 168 consecutive patients undergoing pancreatic surgery from March 2022 to December 2022 at our institution were included in the study and randomly assigned at a 3:2 ratio to the training group and the validation group. All data, including previously reported risk factors for POPF and parameters measured by BIA, were collected. Risk factors were analyzed by univariable and multivariable logistic regression analysis. A prediction model was established to predict the development of POPF based on these parameters.

Results: POPF occurred in 41 of 168 (24.4%) patients. In the training group of 101 enrolled patients, visceral fat area (VFA) (odds ratio [OR] = 1.077, P = 0.001) and fat mass index (FMI) (OR = 0.628, P = 0.027) were found to be independently associated with POPF according to multivariable analysis. A prediction model including VFA and FMI was established to predict the development of POPF with an area under the receiver operating characteristic curve (AUC) of 0.753. The efficacy of the prediction model was also confirmed in the internal validation group (AUC 0.785, 95% CI 0.659-0.911).

Conclusions: Preoperative assessment of body fat distribution by BIA can predict the risk of POPF after pancreatic surgery.

Background: Overfeeding and underfeeding are associated with negative outcomes during critical illness. The purpose of this retrospective study was to assess the association between nutrition intake and outcomes for patients receiving venovenous (VV) extracorporeal membrane oxygenation (ECMO).

Methods: Adults who received VV ECMO August 2017 to June 2020 were screened. Patients with <3 ECMO nutrition support days were excluded. Age, sex, height, weight, ideal body weight (IBW), body mass index, sequential organ failure assessment score, respiratory ECMO survival prediction score, energy, and protein goals were collected. All nutrition intake was collected for the first 14 days of ECMO or until death, decannulation, or oral diet initiation. Outcomes analyzed included mortality and VV ECMO duration. The relationship between nutrition delivery and outcomes was tested with multivariate analysis. Univariate analyses were conducted on obese and nonobese subgroups.

Results: A total of 2044 nutrition days in 178 patients were analyzed. The median estimated needs were 24 (interquartile range: 22.3-28.3) kcal/kg/day and 2.25 (interquartile range: 2.25-2.77) g/kg/day of protein using IBW in patients with obesity and actual weight in patients without obesity. Patients received 83% of energy and 63.3% of protein targets. Patients with obesity who received ≥2 g/kg IBW of protein had a significantly shorter ECMO duration (P = 0.037). Increased protein intake was independently associated with a reduced risk of death (odds ratio: 0.06; 95% confidence interval: 0.01-0.43).

Conclusion: Higher protein intake was associated with reduced mortality. Optimal energy targets for patients receiving ECMO are currently unknown and warrant further study.

Background: Devices measuring the macronutrient content of human milk are commonly used to assist with clinical decision-making. It is unknown if these devices accurately measure protein content in donor human milk (DHM). Our objective is to quantify the nitrogen sources and protein content in commercial DHM.

Methods: The total nitrogen content (Dumas method) and nonprotein nitrogen content (Kjeldahl method) was measured in triplicate from six commercial DHM samples with protein content noted on the labels. In addition, the amino acid content was measured in 15 commercial DHM samples and protein content in each sample was calculated. The calculated protein content for each DHM sample was compared for consistency.

Results: The nonprotein nitrogen content in DHM was consistently higher (0.33 ± 0.05 g/g) than previous reports, leading to overreporting of protein content on DHM labels by a median value of 0.15 g/dl (range 0.02-0.23 g/dl). Similarly, calculation of the protein content from the total nitrogen content with an assumption of 20% (grams per gram) nonprotein nitrogen consistently overrepresented the protein content as determined from the amino acid profile for DHM.

Conclusion: Common methods for assessing the macronutrient content of human milk may overestimate the protein content of DHM.

Identifying patients with a particularly high risk of refeeding syndrome (RFS) is essential for taking preventive measures. To guide the development of clinical decision-making and risk prediction models or other screening tools for RFS, increased knowledge of risk factors is needed. Therefore, we conducted a systematic review to identify risk factors for the development of RFS. PubMed, EMBASE, Cochrane Library, and Web of Science were searched from January 1990 until March 2023. Studies investigating demographic, clinical, drug use, laboratory, and/or nutrition factors for RFS were considered. The Newcastle-Ottawa Scale was used to appraise the methodological quality of included studies. Of 1589 identified records, 30 studies were included. Thirty-three factors associated with increased risk of RFS after multivariable adjustments were identified. The following factors were reported by two or more studies, with 0-1 study reporting null findings: a previous history of alcohol misuse, cancer, comorbid hypertension, high Acute Physiology and Chronic Health Evaluation II score, high Sequential Organ Failure Assessment score, low Glasgow coma scale score, the use of diuretics before refeeding, low baseline serum prealbumin level, high baseline level of creatinine, and enteral nutrition. The majority of the studies (20, 66.7%) were of high methodological quality. In conclusion, this systematic review informs on several risk factors for RFS in patients. To improve risk stratification and guide development of risk prediction models or other screening tools, further confirmation is needed because there were a small number of studies and a low number of high-quality studies on each factor.

Objective: We report the results of a quality improvement initiative to reduce the time to full enteral feeds and number of central line and parenteral nutrition days in premature infants in a level IV neonatal intensive care unit (NICU) by 20%.

Study design: In 2020, a multidisciplinary team at our NICU initiated a quality improvement project to improve enteral feeding in infants with a birthweight <1800 g. The key drivers were early donor human milk consent, trophic feeds initiation, and modification of the enteral feeding guidelines. The interventions included prenatal donor human milk consents, mandatory staff education, and NICU newsletter reminders. Retrospective baseline data were collected May 1, 2020, to November 23, 2020, and prospective data were collected November 24, 2020, to September 30, 2022.

Results: Special cause variation was detected for time to achieve full enteral feeds, central line days, and parenteral nutrition days with 30%, 44%, and 42% improvements, respectively. There was no increase in feeding intolerance or necrotizing enterocolitis.

Conclusion: Small changes in feeding guideline processes improved enteral feedings in preterm infants without increase in morbidities. Our process measures are practical and easy to implement in most NICU settings.

Introduction: Dysphagia among infants, particularly high-risk and preterm neonates, poses feeding challenges that can impact multiple systemic outcomes and delay hospital discharge. Limited therapeutic options for approved thickening agents for human milk and infant formula necessitate the exploration of alternatives, including banana puree.

Method: This study investigated the feasibility of using banana puree as a thickening agent for hospitalized infants with dysphagia. The International Dysphagia Diet Standardisation Initiative (IDDSI) flow test determined optimal volumes of banana puree mixed with infant formulas or human milk to achieve desired liquid thickness levels. Nutrition analysis considered potassium intake and calories from carbohydrates to assess dietary composition.

Result: Banana puree effectively achieved IDDSI Levels 1-3, with varying volumes required based on milk types and caloric concentrations. The nutrition analysis revealed the importance of restricting banana puree to 15% of feeding volumes to avoid exceeding recommended potassium levels while promoting appropriate nutrition.

Conclusion: Banana puree represents a promising option for thickening feeds in infants with dysphagia, facilitating safe oral feeding opportunities, accelerating the introduction of oral feeding, and, potentially, improving long-term outcomes. Further research is warranted to explore its impact on feeding progression, hospital stays, growth, patient outcomes, and feeding-related behaviors compared with traditional thickening agents.

Malnutrition is a prevalent condition among patients with gastric cancer and is associated with poor survival outcomes. This study aimed to evaluate the clinical utility of the Global Leadership Initiative on Malnutrition (GLIM) criteria in predicting survival among patients with gastric cancer. The multicenter retrospective cohort study (INSCOC study) included 1406 patients enrolled between December 2012 and April 2020, with follow-up data collected until June 2023. Various indices for muscle evaluation, such as calf circumference (CC) and body weight-standardized hand grip strength (HGS/W), were used to diagnose malnutrition. Kaplan-Meier curves were used to analyze the relationship between nutrition status, as defined by GLIM criteria, and survival outcomes in these patients. The analysis revealed that using CC or HGS/W as positive indicators of malnutrition effectively identified patients with survival-related malnutrition. The incidence of malnutrition was 54.5%, with patients' median overall survival times of 1169 days for stage I and 575 days for stage II cancer (P < 0.001). Malnutrition was identified as an independent risk factor for survival. Additionally, a nomogram developed through Cox regression analysis demonstrated precise predictive capability, incorporating factors such as tumor node metastasis staging, Karnofsky Performance Status Scale, direct bilirubin levels, and nutrition intervention. The study concludes that the GLIM criteria are effective in diagnosing malnutrition and predicting survival in patients with gastric cancer. Nutrition interventions significantly enhance survival outcomes, underscoring the importance of standardized nutrition treatments in improving patient prognosis.