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High Burden Of Subclinical Lead Toxicity After Phase Out Of Lead From Petroleum In Pakistan, Hafsa Majid, Aysha Habib, Nadeem Ullah Khan, Imran Siddiqui, Farooq Ghani, Lena Jafri
High Burden Of Subclinical Lead Toxicity After Phase Out Of Lead From Petroleum In Pakistan, Hafsa Majid, Aysha Habib, Nadeem Ullah Khan, Imran Siddiqui, Farooq Ghani, Lena Jafri
Department of Pathology and Laboratory Medicine
Objective: To evaluate the frequency of subclinical lead toxicity.
Study design: Cross-sectional study.
Place and duration of study: Department of Pathology and Laboratory Medicine, The Aga Khan University Hospital, Karachi, from January 2011 to December 2014.
Methodology: Analysis of laboratory data for blood lead levels (BLL) was performed. Lead was tested by atomic absorption spectrometer. For all subjects, only initial test results were included while the results of repeated testing were excluded. Exemption was sought from institutional ethical review committee. BLL of 2-10 ug/dl and 10-70 ug/dl in children and adults, respectively were taken as subclinical lead toxicity.
Result: Amongst …
Trace Element Studies On Karachi Populations Part V: Blood Lead Levels In Normal Healthy Adults And Grammar School Children, W W. Manser, R Lalani, S Haider, M A. Khan
Trace Element Studies On Karachi Populations Part V: Blood Lead Levels In Normal Healthy Adults And Grammar School Children, W W. Manser, R Lalani, S Haider, M A. Khan
Department of Biological & Biomedical Sciences
Blood lead levels of healthy Karachi population were estimated. Mean levels for males, females, soldiers and school children were 34.4, 31.8, 29.9 and 38.2 micrograms/dl respectively. About 93% cases of either sex had elevated lead levels, of whom 30% males and 10% females had levels above the safety limits (40 micrograms/dl). Soldiers living in relatively pollution free area though had levels lower than the rest of the population but 91% had levels over 25 micrograms/dl and only two had acceptable levels. Ninety-two percent children showed levels above 25 micrograms/dl with a large number having levels over 40 micrograms/dl. A very …