Reference Intervals (RIs) of Lipid Parameters for Nepalese Population

Authors

  • R.V. Mahato Tribhuvan University, Institute of Medicine, Mahrajgunj Medical Campus Kathmandu, Nepal
  • R.K. Singh Tribhuvan University Teaching Hospital(TUTH)
  • A. M. Dutta Assam Downtown University, Guwahati, Assam
  • K. Ichihara Yamaguchi University Graduate school of Medicine,Department of Laboratory Medicine, Ube
  • M. Lamsal B.P. Koirala Institute of Health Science, Dharan

DOI:

https://doi.org/10.3126/ijasbt.v6i4.22116

Abstract

Introduction: Reference interval (RIs) is the range of values provided by laboratory scientists in a convenient and practical form to support clinician in interpreting observed values for diagnosis, treatment and monitoring of a disease. Laboratories in Nepal uses RIs, provided in the kit inserts by the manufacturers or from the scientific literature, established for western/European population. It is well known that population across the globe differs physiologically, genetically; race, ethnically, lifestyle, food habits and diet which have great impact on the reference values. Thus, it is inappropriate to use RIs that do not represent the local population. This approach highlights for establishing reference values in Nepalese population using the IFCC-CRIDL guidelines published in (C28-A3). Objectives: The objective of this study is to analyze blood lipids concentration in apparently healthy Nepalese population to set up reference values for total cholesterol (TC), triglycerides (TG), High Density Lipoprotein-cholesterol (HDL-C) and Low Density Lipoprotein-cholesterol (LDL-C) and compare with the internationally recommended values. Methods: Reference individuals selected from healthy volunteers according to the IFCC/C-RIDL protocol in (C28 –A3). Volunteers were requested to avoid excessive physical exertion/exercise/excessive eating and drinking and fast overnight for 10-12 hour. Blood samples were collected from 120 subjects from each five centers of the country between 7:00-10:00 am, serum were separated and refrigerated at -20 in a cryo-vials. Finally, 617 samples were transported to Yamaguchi University, Graduate School of Medicine, Ube, Japan for analysis in dry Ice and 30 parameters were measured by fully automated biochemistry analyzer, Beckman Coulter (BC480) in the clinical laboratory. Results: A reference interval for each parameter was calculated from the 95% reference intervals ranging from 2.5% and 97.5% percentiles and, arithmetic mean + 2 SD were also calculated. The 95% reference range for total cholesterol (2.53-6.14), triglyceride was(0.42-3.32),for HDL Cholesterol was (0.28-1.46), for LDL was(1.05-4.00) and for VLDL was (0.054-0.92) for Nepalese population. Conclusion: Nepalese clinicians can take into consideration of reference lipid values of this study for diagnosis, treatment and monitoring of disease.

Int. J. Appl. Sci. Biotechnol. Vol 6(4): 366-372

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Published

2018-12-27

How to Cite

Mahato, R., Singh, R., Dutta, A. M., Ichihara, K., & Lamsal, M. (2018). Reference Intervals (RIs) of Lipid Parameters for Nepalese Population. International Journal of Applied Sciences and Biotechnology, 6(4), 366–372. https://doi.org/10.3126/ijasbt.v6i4.22116

Issue

Section

Research Articles: Biological Sciences