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Year : 2012  |  Volume : 22  |  Issue : 6  |  Page : 419-423

Serum C-reactive protein and leptin for assessment of nutritional status in patients on maintenance hemodialysis

1 Department of Physiology, Maulana Azad Medical College, New Delhi, India
2 Department of Medicine, Maulana Azad Medical College, New Delhi, India
3 Department of Microbiology, G. B. Pant Hospital, Delhi, India

Correspondence Address:
S Kaur
Department of Physiology, Maulana Azad Medical College, New Delhi - 110 002
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-4065.106032

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Nutrition is one of the key parameters in predicting morbidity and mortality in patients with end-stage renal disease (ESRD) on hemodialysis. Body weight, body mass index, and visceral protein levels (serum protein, albumin, prealbumin, and transferrin) have traditionally been used as markers for nutritional status. Serum leptin and C-reactive protein (CRP), have been recently added to the list of markers for nutritional status. This study was a comparative assessment of serum leptin and CRP for nutritional status in patients with ESRD on maintenance hemodialysis. A total of 40 patients with ESRD on maintenance hemodialysis and a similar number of age-, gender-, and BMI-matched healthy individuals were studies. Complete medical history was obtained and relevant clinical examination including anthropometry was carried out. All the individuals were subjected to routine investigations and special investigations (serum leptin and CRP). Data were analyzed using Student's t-test and correlation was found using Pearson's correlation coefficient. Mean value of serum leptin for the study group (1.44 ± 0.72 ng/ml) was found to be significantly higher than that of the control group (0.68 ± 0.55 ng/ml). In addition, we also observed a positive correlation between serum leptin and BMI (r = 0.350, P<0.05). For CRP, we observed that the study group (3.93 ± 1.20 mg/ml) had a significantly higher value vis-à-vis the control group (0.28 ± 0.24 mg/ml). However, CRP and BMI did not show a significant correlation. Based on the above observations, we conclude that serum leptin is a better biomarker than CRP for assessing nutritional status in patients with ESRD on maintenance hemodialysis.


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Indian Journal of Nephrology
Published by Wolters Kluwer - Medknow
Online since 20th Sept '07