Blood cadmium concentration in the population of the Rabat area, Morocco

Khassouani, Chems Eddouha; Soulaymani, R.; Mauras, Y.; Allain, Pierre

doi:10.1016/s0009-8981(00)00368-5

Cited by 23 publications

(17 citation statements)

References 17 publications

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“…This finding demonstrates the limited impact of industrial emissions on BCLs in Fez city. This is in accordance with previous literature demonstrating that the residential area was found not to be a variable, which can affect BCLs [65][66][67].…”

Section: Blood Cadmiumsupporting

confidence: 93%

“…Long-term exposure to Cd is able to cause considerable kidney and bone damage -particularly tubular proteinuria -and low bone mineral density [70]. Although the threshold value of BCLs beyond 5 μg/l was reported as a risk of intoxication [65,71], recent studies have suggested that estimates of levels of cadmium in the body IJOMEH 2014;27(4) 654 girls or in boys (Tables 1 and 2) and no correlation was found between BMLs and the renal parameters indicating a limited impact of Hg-B exposure on renal function in children in the light of renal markers used. However, all the present BMLs are much lower than those suspected to cause health effects (> 20 μg/l) [77] since the highest value of Hg-B in our series is 5.313 μg/l and most children had Hg-B below 1 μg/l.…”

Section: Total Blood Mercurymentioning

confidence: 99%

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Blood lead, cadmium and mercury among children from urban, industrial and rural areas of Fez Boulemane Region (Morocco): Relevant factors and early renal effects

Laamech¹,

Bernard²,

Dumont³

et al. 2014

International Journal of Occupational Medicine and Environmental Health

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Objectives: To describe blood lead (Pb-B), cadmium (Cd-B) and mercury (Hg-B) levels in children living in urban, industrial and rural areas in Fez city (north of Morocco) and to identify the determinants and some renal effects of exposure. Material and Methods: The study was conducted from June 2007 to January 2008 in 209 school children (113 girls, 96 boys), aged 6-12 years, from urban, industrial and rural areas in Fez city. Interview and questionnaires data were obtained. Blood and urinary samples were analyzed. Results: The mean of blood lead levels (Pb-B) in our population was 55.53 μg/l (range: 7.5-231.1 μg/l). Children from the urban area had higher blood lead levels (BLLs) mean (82.36 μg/l) than children from industrial and rural areas (48.23 and 35.99 μg/l, respectively); with no significant difference between boys and girls. BLLs were associated with traffic intensity, passive smoking and infancy in the urban area. The mean of blood cadmium levels (BCLs) was 0.22 μg/l (range: 0.06-0.68 μg/l), with no difference between various areas. Rural boys had higher BCLs mean than rural girls, but no gender influence was noticed in the other areas. BCLs were associated with the number of cigarettes smoked at children's homes. The blood mercury levels (BMLs) mean was 0.49 μg/l (range: 0.01-5.31 μg/l). The BMLs mean was higher in urban and industrial areas than in the rural area with no gender-related difference. BMLs were associated with amalgam fillings and infancy in the urban area. About 8% of the children had BLLs ≥ 100 μg/l particularly in the urban area, microalbuminuria and a decrease in height were noticed in girls from the inner city of Fez and that can be related to high BLLs (89.45 μg/l). Conclusions: There is a need to control and regulate potential sources of contamination by these trace elements in children; particularly for lead.

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Section: Blood Cadmiumsupporting

confidence: 93%

Section: Total Blood Mercurymentioning

confidence: 99%

Blood lead, cadmium and mercury among children from urban, industrial and rural areas of Fez Boulemane Region (Morocco): Relevant factors and early renal effects

Laamech¹,

Bernard²,

Dumont³

et al. 2014

International Journal of Occupational Medicine and Environmental Health

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“…This find corresponds to data reported by Olsson et al, who compared cadmium blood and urine concentrations in non-smoking men and women from rural areas in southern Sweden (34). Khassouani et al reported similar findings in France (28). Some authors reported significantly higher blood levels in males than in females for lead and cadmium (35), cadmium (28), lead (36), and nickel (32), while others found higher blood levels in women for BCd among non-smokers (18,37).…”

Section: Resultsmentioning

confidence: 67%

“…Khassouani et al reported similar findings in France (28). Some authors reported significantly higher blood levels in males than in females for lead and cadmium (35), cadmium (28), lead (36), and nickel (32), while others found higher blood levels in women for BCd among non-smokers (18,37). Evidently, gender is only one of many factors influencing blood heavy metal concentrations.…”

Section: Resultsmentioning

confidence: 73%

Blood concentration of heavy metals among environmentally exposed residents of Stara Zagora municipality (Bulgaria)

Gidikova¹,

Sandeva²,

Deliradeva³

et al. 2015

TJS

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PURPOSE: The aim of this study was to reveal whether people living in the villages Zmeyovo and Borilovo (where the highest rates of excessive and borderline heavy metal concentrations in plants had previously been registered) are at higher risk of combined exposure to lead, cadmium and nickel. METHODS: Blood levels of these heavy metals were studied in groups of 17 nonsmokers (9 females and 8 males) from each of the studied villages, and in a control group from a remote mountain village by atomic absorption spectrometry. RESULTS: The mean blood levels of lead (56.48 and 19.93 μg/dL) and cadmium (3.36 and 0.95 μg/L) for Zmeyovo and Borilovo respectively were significantly higher than those in the control group. Mean nickel blood concentration was higher than controls for Zmeyovo only (2.17 μg/dL). Statistically significant correlations among blood levels of lead, cadmium and nickel were found, which suggested combined exposure. The mean concentrations of all the heavy metals studied were relatively higher than available data for the general population in Europe. CONCLUSIONS: The study showed an increased exposure to heavy metals among residents of the region. Implementation of screening programs, especially for children and young adults, is therefore advised.

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“…Though females in the gas flaring community (Imiringi) exhibited the highest levels of all the metals, statistically significant difference was only observed in selenium. Some authors also reported significantly higher blood levels in males than in females for lead and cadmium [22], cadmium [23], lead [24], and nickel [25]. Conversely, some other authors [26] and [23] reported no difference between heavy metals blood concentrations in men and women.…”

Section: Discussionmentioning

confidence: 99%

Toxicological Studies on Heavy Metal Bioaccumulation and Oxidative DNA Damage in Residents of a Gas Flaring Community

2017

IJSR

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This study was carried out on blood samples collected from 200 residents each from Imiringi (Gas Flaring Community) and Odi (Non-Gas Flaring Community) all in Bayelsa State, Nigeria to determine the blood levels of Cadmium, Chromium, Lead, Mercury and Selenium as well as the oxidative DNA damage marker 8-Hydroxy-2-deoxyguanosine (8-OHdG). Blood samples were also analyzed for WBC, Hb, platelets, prothrombin time and serum concentrations of AST, ALT, albumin, ALP, bilirubin, gamma GT, total protein, sodium, potassium, chloride, bicarbonate, urea and creatinine. Residents in Imiringi recorded the highest blood levels of Mercury, Lead, Selenium, Cadmium, Chromium and 8-OHdG and they were all statistically significantly different at p<0.05. Residents in Imiringi had the highest mean values of all the measured liver and kidney functions parameters with the exception of albumin, total protein, sodium, chloride and bicarbonate and these values were all statistically different at P<0.05. There was statistically significant difference in the levels of Hb, WBC and Platelet while the length of bleeding time was prolonged in the residents of Imiringi community. The findings of this study suggest that the probability of occurrence of diseases associated with metal toxicity and oxidative stress might be higher among residents in the gas flaring community.

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Blood cadmium concentration in the population of the Rabat area, Morocco

Cited by 23 publications

References 17 publications

Blood lead, cadmium and mercury among children from urban, industrial and rural areas of Fez Boulemane Region (Morocco): Relevant factors and early renal effects

Blood lead, cadmium and mercury among children from urban, industrial and rural areas of Fez Boulemane Region (Morocco): Relevant factors and early renal effects

Blood concentration of heavy metals among environmentally exposed residents of Stara Zagora municipality (Bulgaria)

Toxicological Studies on Heavy Metal Bioaccumulation and Oxidative DNA Damage in Residents of a Gas Flaring Community

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