微型营养评定简表在老年慢性肾脏病患者中的应用

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Abstract Objective To explore the clinical application value of mini nutrition assessment short form (MNA-SF) in evaluating the nutritional status of elderly patients with chronic kidney disease (CKD). Methods A total of 300 elderly patients with CKD who were admitted to Zhuzhou Central Hospital of Hu′nan Province from January 1 to December 31,2018 were selected as the research objects and the nutritional status of the patients was evaluated by the new MNA-SF within 48 hours after admission. The patients were divided into the normal nutrition group (n=87), malnutrition risk group (n=170) and malnutrition group (n=43) according to the MNA-SF score. The reliability of MNA-SF was evaluated by Cronbach′s α coefficient, and the degree of correlation of each index of MNA-SF was evaluated by Kaiser Meyer Olkin (KMO) and Bartlett spherical test. Nutrition-related indicators such as serum albumin (ALB), prealbumin (PA),transferrin (TF), hemoglobin (Hb), glucose (Glu), and C-reactive protein (CRP) were compared among the three groups.The value of MNA-SF in assessing nutritional status was analyzed using the receiver operating characteristic (ROC)curve. The internal consistency analysis of MNA-SF showed that the Cronbach′s α coefficient of MNA-SF was 0.723>0.7, which indicated that MNA-SF had a stable reliability. The KMO and Bartlett spherical test showed that KMO=0.819>0.5, indicated that the factor analysis could be carried out. Bartlett spherical test χ2=26.439 (P<0.05), indicated that the spherical hypothesis was rejected, and each index was not independent, and had a certain correlation, which was suitable for factor analysis. The characteristic values of 7 factors in MNA-SF (diet change, activity ability, neuropsychiatric disease, body mass reduction, body mass index [BMI], calf circumference [CC], stress or acute disease)were >1, and the contribution rate of cumulative variance was 84.07%, showed that the structure of MNA-SF was reasonable. The incidence of malnutrition in elderly patients with CKD was 14.33% (43/300). The age of patients in the malnutrition risk group and the malnutrition group was higher than that in the normal nutrition group, and the proportion of males was higher than that in the normal nutrition group, and the differences were statistically significant(P<0.05). BMI, CC, ALB, PA, TF and Hb in the risk group and the malnutrition group were lower than those in the normal group, and the differences were statistically significant (P<0.05). There were no statistically significant differences in Glu and CRP among the three groups (P>0.05). Conclusion MNA-SF has stable reliability and validity. It can be used as a tool to evaluate the nutritional status of elderly CKD patients, and has positive clinical significance for improving the prognosis of early nutritional metabolism intervention.

Key words： Mini nutrition assessment short form Chronic kidney disease of the elderly Nutritional status Cronbach′s &alpha coefficient

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LI Bi-hui. Application of mini nutrition assessment short form in the elderly patients with chronic kidney disease[J]. 中国当代医药, 2021, 28(3): 119-122.

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http://dangdaiyiyao.com/EN/ OR http://dangdaiyiyao.com/EN/Y2021/V28/I3/119

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