微型营养评定法和微型营养评定简表在老年痴呆患者营养筛查中的应用

目的采用微型营养评定法（MNA）和微型营养评定简表（MNA—SF）对老年痴呆患者营养状况进行筛查，比较两者的适用性。方法对267例老年痴呆患者应用MNA和MNA—SF进行营养筛查，测量人体学指标和实验室指标，分析两者的相关性。结果根据MNA值评定营养不良者占59．7％，潜在营养不良者占20．9％，营养正常者占19．4％；营养不良评价敏感性73．4％，特异性60．1％。根据MNA-SF值评定营养不良者占70．4％，营养正常者占29．6％；营养不良评定敏感性50．6％，特异性92．4％。MNA法和MNA-SF法具有高度相关性（r=0．924，P〈0．01）。结论老年痴呆患者营养不良的发生率高，两种方法联合评定提高了老年痴呆患者营养不良患者的检出率，是筛查老年痴呆患者营养不良的有效方法。

Malnutrition screening by Mini-Nutritional Assessment and Short-Form Mini-Nutritional Assessment in patients with Alzheimer's disease

Objective To evaluate the applicability of Mini-Nutritional Assessment(MNA),Short-Form Mini-Nutritional Assessment(MNA-SF)in the malnutrition screening of patients with Alzheimer's disease(AD).Methods MNA and MNA-SF were performed in 267 AD patients.The correlation between the screening results were compared.Results According to MNA,the rates of malnutrition,potential malnutrition,and normal nutritional status were 59.7%,20.9%,and 19.4%,respectively.The sensitivity was 73.4%and the specificity was 60.1%.According to MNA-SF,the rates of malnutrition and normal nutritional status were 70.4%and 29.6%.The sensitivity was 50.6%and the specificity was 92.4%.The screening results of these two tools were significantly correlated(r=0.924,P<0.01).Conclusions MNA and MNA-SF are reliable tools for evaluating the nutritional status of AD patients.While MNA-SF is more convenient and feasible,the combination of these two tools may be helpful.