Journal
EUROPEAN JOURNAL OF CLINICAL NUTRITION
Volume 76, Issue 3, Pages 397-400Publisher
SPRINGERNATURE
DOI: 10.1038/s41430-021-00977-4
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Funding
- German Geriatrics Society (DGG)
- Projekt DEAL
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This study aimed to determine at what level of serum C-reactive protein (CRP) the risk of low food intake increases in acutely ill older hospitalized patients. The results showed that a serum-CRP of 3.0 mg/dl appears to be a reasonable threshold of acute inflammation leading to reduced food intake in this population.
Background/objectives In the recently introduced GLIM diagnosis of malnutrition (Global Leadership Initiative on Malnutrition), details of how to classify inflammation as an etiologic criterion are lacking. This study aimed to determine at what level of serum C-reactive protein (CRP) the risk of low food intake increases in acutely ill older hospitalized patients. Subjects/methods A total of 377 patients, who were consecutively admitted to a geriatric acute care ward, were analyzed. Nutritional intake was determined using the food intake item of Nutritional Risk Screening and the plate diagram method and patients were grouped into three categories as >75%, 50-75% and <= 50% of requirements. CRP was analyzed according to standard procedures and patients were classified into different CRP groups as follows: 0.0-0.99 mg/dl, 1.0-1.99 mg/dl, 2.0-2.99 mg/dl, 3.0-4.99 mg/dl, 5.0-9.99 mg/dl and >= 10.0 mg/dl. Results Of the total population (mean age of 82.2 +/- 6.6 years; 241 females), 82 (22%) had intake <50% of requirements and 126 (33%) demonstrated moderate to severe inflammation. Patients with food intake 75% of requirements (P < 0.001). The group with serum-CRP levels above 3.0 mg/dl had a markedly higher proportion of patients with low food intake; i.e., Conclusion A serum-CRP of 3.0 mg/dl appears to be a reasonable threshold of acute inflammation leading to reduced food intake to serve as an orientation with regard to the inflammation criterion of the GLIM diagnosis in acutely ill older patients.
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