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Updated: Sep 22, 2025

Control of Eating Behavior Using a Novel Feedback System
Published on: May 8, 2018
[Refeeding Syndrome: Where Do We Stand in 2022?]
Katja A Schönenberger1,2, Christa Dürig1, Valentina V Huwiler1,2
1Departement für Diabetologie, Endokrinologie, Ernährungsmedizin und Metabolismus (UDEM), Inselspital, Universitätsspital Bern, Universität Bern, Bern, Schweiz.
Refeeding syndrome, a dangerous condition in malnourished patients, requires more research. Current guidelines exist, but robust trials are needed to clarify management and risk factors.
Area of Science:
- Clinical Nutrition
- Metabolic Medicine
Background:
- Refeeding syndrome is a potentially fatal complication of nutritional support in malnourished individuals.
- Recent consensus manuscripts from ESPEN and ASPEN detailed pathophysiology, diagnosis, and management.
- Existing evidence links refeeding syndrome to adverse clinical outcomes.
Purpose of the Study:
- To provide an evidence-based overview of the current understanding of refeeding syndrome.
- To update the systematic literature search on refeeding syndrome.
- To identify gaps in knowledge regarding management and risk prediction.
Main Methods:
- Updated a systematic literature search initially performed by Friedli et al. in 2015.
- Reviewed consensus manuscripts from major clinical nutrition societies (ESPEN, ASPEN).
- Synthesized existing evidence on pathophysiology, clinical manifestations, prevention, diagnosis, and management.
Main Results:
- Confirmed that refeeding syndrome is associated with negative clinical outcomes.
- Highlighted that many questions regarding the management of refeeding syndrome remain unanswered.
- Identified a lack of robust randomized controlled trials (RCTs) to establish evidence-based practices.
Conclusions:
- Despite recent consensus, significant knowledge gaps persist in refeeding syndrome management.
- A robust randomized controlled trial is urgently needed to address unanswered questions.
- Further research should focus on identifying independent predictors and estimating metabolic risk associated with refeeding syndrome.
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