Annals of Clinical Nutrition and Metabolism

A comprehensive overview of enhanced recovery after surgery: Sang Hyun Shin; Ann Clin Nutr Metab 2024;16(1):1-2. Published online April 1, 2024; DOI: https://doi.org/10.15747/ACNM.2024.16.1.1

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Recent advances in refeeding syndrome in critically ill patients: a narrative review: Sang Woo Ha, Suk-Kyung Hong; Ann Clin Nutr Metab 2024;16(1):3-9. Published online April 1, 2024; DOI: https://doi.org/10.15747/ACNM.2024.16.1.3

Abstract PDF: Purpose: The aim of this article is to provide a narrative review of the most recent studies on refeeding syndrome (RS) in critically ill patients and to summarize recent advancements that can be referenced in the treatment of these patients.
Current concept: RS in critically ill patients is a potentially lethal nutrition-related condition leading to sudden death. Initiation of food intake after a period of fasting can trigger rapid electrolyte uptake due to increased insulin release, leading to a decline in serum electrolytes with thiamine. This depletion may cause severe complications, such as cardiac arrhythmias, respiratory failure, seizures, and even death. The incidence of RS varies significantly, ranging from 7.4%–89%. Despite updates in diagnostic criteria over time, there remains a crucial need for criteria applicable to critically ill patients with underlying disorders such as metabolic derangement and organ dysfunction. To prevent RS, it is strongly recommended to start food intake after a fast at 20%–25% of estimated goals, gradually increasing the intake over several days. Close monitoring and electrolyte supplementation—especially of phosphorus, potassium, magnesium, and thiamine—are crucial, especially in critically ill patients. If electrolyte imbalances persist, slowing down or halting the progression of nutrition should be considered.
Conclusion: Clinicians should continue their efforts to promptly identify high-risk patients and to provide prevention and treatment for RS, particularly during the initiation of nutritional therapy in critically ill patients. Developing evidence-based protocols through further well-designed research is essential for effectively managing critically ill patients at risk of RS.

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Efficacy of high-protein diet protocol and education after distal gastrectomy for gastric cancer patients to prevent loss of lean body mass in Korea: a non-randomized controlled study: Hee Kyung Yoon, Sun Ae Kim, Ji Yoon Han, Dong Jin Kim; Ann Clin Nutr Metab 2024;16(1):10-19. Published online April 1, 2024; DOI: https://doi.org/10.15747/ACNM.2024.16.1.10

Abstract PDF Supplementary Material: Purpose: We studied whether active education of patients about the importance of a high-protein diet can prevent lean body mass loss after gastrectomy for gastric cancer.
Methods: In the study group, intensive high protein diet education and monitoring was performed immediate post operative, 1, 3, and 6 months after surgery. Study group patients were compared with data from the control group formed using propensity matching with the study group for age, sex, resection extent, and TNM stage. Clinicopathologic factors were compared between the groups, and changes in quality of life (QOL) and lean body mass between preoperative levels and 6 months after surgery were assessed.
Results: Among the 100 patients, 31 patients from each group were matched with propensity matching. The groups had no significant clinicopathologic differences. Although the changes in QOL scale and body composition did not differ statistically between the groups, a favorable trend was observed in the study group. Six months after surgery, the mean change in the QOL scale, which measured physical, role, emotional, cognitive, and social functioning, decreased less than the control group or even increased in the study group. In the body composition analysis, the study group showed greater reductions in weight, body mass index, fat mass, and body fat percentage than the control group, and their lean body mass and skeletal muscle mass decreased less.
Conclusion: A high-protein diet protocol and education might increase patient QOL and prevent a decrease in lean body weight 6 months after distal gastric resection.

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