Autophagy and Its Implications Against Early Full Nutrition Support in Critical Illness
Abstract
The timing, dose, and route of early nutrition support in critically ill patients have been highly controversial for years. Despite the association of a caloric deficit with adverse outcome, several recent large, randomized, controlled trials have demonstrated a prolongation of organ failure and increased muscle weakness with increasing doses of nutrition in the acute phase of critical illness. A potential explanation for the negative impact of early, full feeding on outcome is feeding‐induced suppression of autophagy, a cellular repair process that is necessary to clear intracellular damage. Whether nutrition management in critically ill patients should be guided by its effects on autophagy is a topic of debate. Currently, however, autophagy cannot be monitored in clinical practice. Moreover, clinical management should be guided by high‐quality randomized controlled trials, which currently do not support the use of early full nutrition support.
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In the proinflammatory phase of acute trauma or infection, nutrition support may even delay healing due to potential interference with clearance of damage.
“In this circumstance, it is becoming likely that nutrition support may even delay healing due to potential interference with clearance of damage.150, 151, 152”
From Hypoalbuminemia: Pathogenesis and Clinical Significance (2019) · cites this paper as [152]
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- Authors
- Van Dyck, L., Casaer, M. P., & Gunst, J.
- Affiliations
- Laboratory of Intensive Care Medicine Department of Cellular and Molecular Medicine KU Leuven Belgium
- Clinical Division and Laboratory of Intensive Care Medicine Department of Cellular and Molecular Medicine KU Leuven Belgium
- KU Leuven (BE)
- Corresponding author
- Gunst, Jan
- ORCID
- Gunst, Jan
- Venue
- Nutrition in Clinical Practice
- Publisher
- Wiley
- Published
- 2018-04-17
- Volume
- 33
- Issue
- 3
- Pages
- 339-347
- ISSN
- 0884-5336 (ISSN-L)
- 1941-2452
- OpenAlex
- W2801436383
- Semantic Scholar
- 2afca0235b4711a237f3b099cc4144f7b5da0b23
- Cited by
- 70
- References
- 72
- Citations by year
- 2026: 1 · 2025: 7 · 2024: 4 · 2023: 10 · 2022: 5 · 2021: 9 · 2020: 19 · 2019: 11 · 2018: 4
- FWCI
- 1.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Nutrition in Clinical Practice (publishedVersion)
- PubMed (publishedVersion)
- Lirias (submittedVersion)
- Funders
- Fonds Wetenschappelijk Onderzoek (1151018N, 1832817N)
- KU Leuven (STG/16/021, C24/17/070)
- Topics
- Health Sciences › Nursing › Nutrition and Dietetics › Clinical Nutrition and Gastroenterology
- Health Sciences › Medicine › Surgery › Enhanced Recovery After Surgery
- Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
- Keywords
- autophagy, critical illness, intensive care nutrition, caloric deficit, organ failure, muscle weakness
- MeSH terms
- Autophagy, Critical Care, Enteral Nutrition, Humans, Intensive Care Units, Length of Stay, Nutritional Requirements, Parenteral Nutrition, Randomized Controlled Trials as Topic, Critical Illness
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