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Blood lead levels in Egyptian children from high and low lead-polluted areas: impact on cognitive function.
Acta Neurol Scand. 2009 Jul; 120(1):30-7.AN

Abstract

OBJECTIVES

Many children are harmed by low-level lead exposure which impairs cognitive development with subsequent poor scholastic achievement. We investigated blood lead levels in children in relation to cognitive function.

MATERIALS AND METHODS

Blood lead levels were measured in 100 children recruited from high (n = 50) and low (n = 50) lead-polluted areas.

RESULTS

Blood lead levels ranged between 3 and 28 microg/dl (median 9, interquartile range 6 microg/dl). In addition, 43% of children had levels > or =10 microg/dl, of whom 90.1% were living in high-risk areas for lead pollution. Cognitive dysfunction was found in 37% of children. Children with cognitive dysfunction had significantly higher blood lead and lower hemoglobin than those without (P < 0.001).

CONCLUSIONS

Increased blood lead level in many children is one of the health problems in Egypt which may be the reason, at least in part, for cognitive dysfunction with subsequent poor scholastic achievement. Thus, interventions to control lead exposure are mandatory.

Authors+Show Affiliations

Department of Pediatrics, Faculty of Medicine, Ain Shams University, Cairo, Egypt. hafezg@softhome.netNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19222397

Citation

Mostafa, G A., et al. "Blood Lead Levels in Egyptian Children From High and Low Lead-polluted Areas: Impact On Cognitive Function." Acta Neurologica Scandinavica, vol. 120, no. 1, 2009, pp. 30-7.
Mostafa GA, El-Shahawi HH, Mokhtar A. Blood lead levels in Egyptian children from high and low lead-polluted areas: impact on cognitive function. Acta Neurol Scand. 2009;120(1):30-7.
Mostafa, G. A., El-Shahawi, H. H., & Mokhtar, A. (2009). Blood lead levels in Egyptian children from high and low lead-polluted areas: impact on cognitive function. Acta Neurologica Scandinavica, 120(1), 30-7. https://doi.org/10.1111/j.1600-0404.2009.01155.x
Mostafa GA, El-Shahawi HH, Mokhtar A. Blood Lead Levels in Egyptian Children From High and Low Lead-polluted Areas: Impact On Cognitive Function. Acta Neurol Scand. 2009;120(1):30-7. PubMed PMID: 19222397.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Blood lead levels in Egyptian children from high and low lead-polluted areas: impact on cognitive function. AU - Mostafa,G A, AU - El-Shahawi,H H, AU - Mokhtar,A, Y1 - 2009/02/16/ PY - 2009/2/19/entrez PY - 2009/2/19/pubmed PY - 2009/8/29/medline SP - 30 EP - 7 JF - Acta neurologica Scandinavica JO - Acta Neurol. Scand. VL - 120 IS - 1 N2 - OBJECTIVES: Many children are harmed by low-level lead exposure which impairs cognitive development with subsequent poor scholastic achievement. We investigated blood lead levels in children in relation to cognitive function. MATERIALS AND METHODS: Blood lead levels were measured in 100 children recruited from high (n = 50) and low (n = 50) lead-polluted areas. RESULTS: Blood lead levels ranged between 3 and 28 microg/dl (median 9, interquartile range 6 microg/dl). In addition, 43% of children had levels > or =10 microg/dl, of whom 90.1% were living in high-risk areas for lead pollution. Cognitive dysfunction was found in 37% of children. Children with cognitive dysfunction had significantly higher blood lead and lower hemoglobin than those without (P < 0.001). CONCLUSIONS: Increased blood lead level in many children is one of the health problems in Egypt which may be the reason, at least in part, for cognitive dysfunction with subsequent poor scholastic achievement. Thus, interventions to control lead exposure are mandatory. SN - 1600-0404 UR - https://www.unboundmedicine.com/medline/citation/19222397/Blood_lead_levels_in_Egyptian_children_from_high_and_low_lead_polluted_areas:_impact_on_cognitive_function_ L2 - https://doi.org/10.1111/j.1600-0404.2009.01155.x DB - PRIME DP - Unbound Medicine ER -