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Nutritional Risk Screening in patients with chronic kidney disease.

Knowledge concerning nutritional status of patients with chronic kidney disease (CKD) is limited. Nutritional Risk Screening-2002 (NRS-2002) has been used to evaluate the nutritional aspects of patients according to the recommendation of European Society for Clinical Nutrition and Metabolism. Here we aim to assess the prevalence and characteristics of nutritional risk in CKD patients by using NRS-2002. NRS-2002 scores of 292 CDK patients were recorded in first 24 hours subsequent to their admission to hospital. All patients have never been on dialysis. BMI, weight and various biochemical parameters were also characterized for these patients. Possible correlations between these parameters and NRS-2002 score were investigated. The overall prevalence of nutritional risk was 44.9% (53.6% in CKD stage 4-5 patients and 38.3% in stage 1-3 patients). Statistically significant differences were found in serum Albumin, Haemoglobin B, and lymphocyte counts between patients with or without increased nutritional risk. Under the situation that attending physicians were completely unaware of NRS-2002 scores, only 35.1% of the patients at risk received nutritional support. The nutritional risk status was associated with CKD stages but independent from primary diagnosis type. More attention should be paid to the nutritional status in CKD patients (including early stage patients). We recommended using NRS-2002 for nutritional risk assessment among non-dialysis CKD patients in routine clinical practice.