Guidelines on Nutrition Support Therapy for Acute Respiratory Disease:A Systematic Review

ABSTRACT

OBJECTIVE: To systematically review the related guidelines of nutrition support therapy (hereinafter referred to as nutrition support) in acute respiratory disease, and to provide evidence-based evidences for clinical nutrition in coronavirus disease 2019 (COVID-19). METHODS: Retrieved from PubMed, EMBase, CNKI, etc., websites of association in nutrition and global guideline databases. The guidelines in nutrition support for related diseases were collected. Recommendations were summarized after data extraction and quality evaluation. RESULTS: A total of 10 guidelines were enrolled, with development time ranging from 2006 to 2019. There were 6 guidelines with quality of level A, 3 with level B, and 1 with level C. “scope and purpose”, “clarity” and “independence” showed the higher scores in AGREE Ⅱ, and “applicability” showed generally low scores. There were differences among emphases of guidelines, however, supplements for each other, and the recommendations for the same questions showed substantial agreement. CONCLUSION: The recommendations, in high quality guidelines of critical illness, acute respiratory distress syndrome, pneumonia, etc., could be applied to nutrition support in COVID-19.