Blood lead concentrations and the Neuropsychology scores of pregnant women in Klang Valley Malaysia

Shamsul Bahari Shamsudin, and Jamal Hisham Hashim, and Nik Nasri Nik Ismail, and A. Jamal A. Rahman, and Maharani Pertiwi Koentjoro, (2020) Blood lead concentrations and the Neuropsychology scores of pregnant women in Klang Valley Malaysia. Indonesian Journal of Medical Laboratory Science and Technology, 2 (1). pp. 11-20. ISSN 2656-9825

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Abstract

Pregnant women with high blood lead posed high risk to their fetus as placental transfer can occurs to the fetus. The objective of this study was to identify the relationship between blood lead and the neuropsychological score of women who were in their 3rd trimester of pregnancy. These respondents were undergoing a routine antenatal checkup at a teaching hospital located in Klang Valley areas. Blood lead concentrations were analyzed using graphite furnace Atomic Absorption Spectrophotometer (AAS). The neuropsychological scores were measured with WHO Neurobehavioral Core Test battery (NCTB). The test consists of 7 items, which made up of the Digit Symbol, Trail Making, Digit Span, Benton Visual Retention Test, Pursuit Aiming, Santa Ana Manual Dexterity, Reaction Time and Movement Time tests. The mean blood lead was 7.78±4.77 µg/dL. The mean score for the total NCTB test was 50.00±5.24. Statistical analysis showed blood lead concentrations were inversely correlated with the total NCTB score (r= –0.462, p≤0.01). The correlation was about 21.3%. The General Linear Model (GLM) showed that age (β= –0.15, p=0.017), weight (β=2.67, p=0.05) and height (β=–1.97, p=0.05) also influence the total neuropsychological scores. In conclusion, blood lead reduces the total neuropsychological scores. The scores for each of the 7 items were inversely and significantly correlated with blood lead concentrations except for the Trail Making and Santa Ana Manual Dexterity tests.

Item Type: Article
Uncontrolled Keywords: Neuropsychological scores, blood lead concentrations, pregnant mothers
Subjects: R Medicine > R Medicine (General)
Depositing User: Noraini
Date Deposited: 20 Apr 2020 03:28
Last Modified: 20 Apr 2020 03:28
URI: http://eprints.ums.edu.my/id/eprint/25328

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