• Yagya Kumari Shrestha, Madhav Prasad Khanal, Shree Krishna Shrestha, Jeewan Shrestha, and Navin Shrestha.
• Department of Biochemistry, Nepal Medical College, Kathmandu, Nepal.
• JNMA J Nepal Med Assoc. 2021 Oct 15; 59 (242): 1012-1016.

IntroductionLead is naturally available toxic heavy metal which is one of the main causes of environmental pollution and produces detrimental effects on health, particularly young children. Lead toxicity has become an emerging global burden of disease varying with the age, socio-economic status, occupation, industrialization, social customs and behaviours. The objective of this study was to find out the baseline blood lead level among children between 8-18 years.MethodsA descriptive study was conducted in Gokarneshwor Municipality, Kathmandu with a total of 160 children between 8-18 years of age from 2018 to 2019 after taking ethical approval from Research and Institutional Review Committee (Reference number: 17-074/075). Informed written consent was taken from the principal along with their respective parents and semi structured questionnaires were asked to students. Sample size was calculated and simple random sampling was done. The data was analyzed using Statistical Package for Social Science version 16. Point estimate at 95% Confidence Interval was calculated along with frequency and descriptive statistics.ResultsThe mean blood lead level of the children was 4.39±7.35 µg/dl. Mean hemoglobin being 12.63g/dl; out of 160 children 30 (18.75%) children had blood lead levels. Children with elevated blood lead level had mean haemoglobin level within normal range (13.05gm/dl), however out of 30 children, 8 (27%) had haemoglobin level below normal.ConclusionsLead exposure in the children of urban area of Nepal is considerably high as compared to similar studies coducted in similar settings.

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