Abstract
The relations between dietary micronutrient, nutritional status and inflammation in hemodialysis patients are still unclear. A cross-sectional study was performed in hemodialysis population. 75 hemodialysis patients from South China participated in the dietary and nutritional assessment. Clinical and dietary data were collected. Nutritional status was assessed by Malnutrition-Inflammation Score (MIS) in addition to related anthropometric measurements. And according to the MIS score, the whole hemodialysis patients were divided into normal nutrition group and malnutrition group. The results showed that mid arm circumference (MAC) negatively correlated with MIS (r = −0.425; P = 0.002). The area under the ROC curve (AUC) for MAC was 0.737 (0.614–0.859). Comparing with the normal nutritional group, lower dietary selenium (Se), copper (Cu), iodine (I) and manganese (Mn) intake were observed among patients with malnutrition (P<0.05). While no significant differences of diverse vitamins were found. In conclusion, MAC was effective indicator for assessing nutritional and inflammatory status (P<0.05). The reduction of dietary Se, Cu, I and Mn intake level may be alarming markers for malnutrition and inflammatory status in hemodialysis patients.
Highlights
Malnutrition is very popular in hemodialysis patients, and is related with increased risk of morbidity and mortality [1,2,3]
We focused on the roles of micronutrients in nutritional status among hemodialysis population and assessed the relationship between dietary micronutrients status and nutritional and inflammatory status
Seventy-five randomly selected hemodialysis patients participated in the dietary micronutrients and nutritional assessment. 27 patients were from Sun Yat-sen Memorial Hospital; 20 patients were from the Second Affiliated Hospital of Guangzhou Medical college; 13 patients were from Kiang Wu Hospital; 15 patients were from Affiliated hospitial of School of Chinese Medicine, The University of Hong Kong
Summary
Malnutrition is very popular in hemodialysis patients, and is related with increased risk of morbidity and mortality [1,2,3]. Dietary status assessment is meaningful for those patients at risk with malnutrition. Inadequate dietary nutrients intake is an important cause for malnutrition. Protein, energy, even vitamins and trace elements intake are inadequate in most hemodialysis patients [4,5,6]. The remarkable reduction of daily nutrients intake has been shown to be an independent determinant of reversible impairment of nutritional status [7,8,9]. We are still not clear about the accurate dietary micronutrients status, especially the trace elements of Chinese hemodialysis patients
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