Prevalence Of Lead Poisoning Of Children Aged 0
Wang, together with the kindergarten children playing, very lively, but to have difficulty concentrating in class, but very good move. When Wang’s mother took him to the hospital for examination, he was diagnosed with mild lead poisoning.
Yesterday, reporter learned from the Child Health Hospital of Shunde, Shunde, a large number of children such as Wang, the relevant doctors said that this may be the cause of the symptoms of lead poisoning. According to a survey conducted by the hospital, lead poisoning in children 0 to 6 years old 42.7% prevalence rate, in which grade – mainly mild lead poisoning, the symptoms showed more hyperactivity, inattention, and the lead grade poisoning is extremely low volume, symptoms of intelligence, stands down.
– levels were mostly mild lead poisoning
According to the Executive Director of the survey to remind physicians Gong Changfu, can only lead to the source of lead poisoning prevention, drug excretion is only a supporting role, so children usually try to avoid the use of lead bagged products, while preparing to produce the best women before pregnancy do first blood lead test, so as not to bring the baby through the umbilical cord will lead.
Shunde, maternity and child care, according to Master of Medicine, Pediatrics Chief Physician Gongzhang Fu introduced on 457 children aged 0 to 6 hours for blood lead testing found that the prevalence of lead poisoning in children age as high as 42.7%. The general behavior of children with mild lead poisoning showed more hyperactivity, anorexia, decreased IQ, height restrictions and other symptoms.
Gongzhang Fu said that the level of pollution according to industry and geographic representation, the three town selected a total of six urban and rural nurseries? Nursery children and 349 cord blood of 108 newborns to detect lead poisoning in children by the parents to fill out questionnaire related factors. The survey found that urban children than rural children’s blood lead level is high, and lead poisoning levels of about 6.8 percentage points higher, up 42.6% of cord blood lead exceeded. Participate in the testing population, grade lead poisoning 113, level lead poisoning 82.
The main sources of industrial pollution
Shunde developed industry, per capita vehicle ownership among the highest in the Pearl River Delta region. To understand the environmental lead pollution, the focus of the implementation of physician’s samples were collected in four areas, including Xingtan, Daliang, North? Traffic is heavy street side, trunk side of the road dust and soil in rural edge of the field; Xingtan industrial wastewater, Rivers of water ponds and village; lead bags and plastic bags topical creams; three stations to detect lead content in gasoline.
The inspection found that industrial pollution, ponds of water, main roads, Avenue side of the high lead content of dust is the major lead sources Shunde district, and ointments, such as packaging bags of lead was significantly higher in the lead.
The average blood lead levels of urban children and rural areas was slightly higher than the incidence of lead poisoning, which may be industrial and so on.
Blood lead level “Change” 4-year-old is the dividing line
According to investigators, the study also found that blood lead levels of children before the age of 4, increased with age, while the 4-year-old then gradually decreased thereafter. The main reason is the 4-year-old children after gastrointestinal barrier function gradually improve, reducing the absorption of lead.
Reporter learned from the Shunde Science and Technology Bureau, “2007 Shunde Science and Technology Award” After all the research projects Shunde Science and Technology Bureau of the jury panel, all projects have been publicized. The “Shunde 0 ~ 6 years old and its related factors lead poisoning in children” project won the third prize this year.
For this study, Gong Changfu suggested, the public’s long-term health and overall quality of Shunde people to consider the relevant government departments to acquire relevant blood lead testing equipment, on a regular basis to provide free testing of blood lead levels.
Experts
Do not panic mild lead poisoning
Blood lead test before pregnancy do first
Lead is a multi-system, multi-affinity toxins, fetal, child growth and development, psychological behavior, mental development and potential development can cause irreversible damage. Related to physicians that, – grade mild lead poisoning are more common, general symptoms of hyperactivity, inattention, and the number of grade lead poisoning is extremely low, its symptoms as IQ, height and drop and so parents no need to panic. Gongzhang Fu said, can lead to identify the source of life to stop.
In the survey, Shunde children from five to consider the source and precautions, including parents of lead exposure in occupations not wash your hair before work, bathing, washing, changing clothes and will lead to take home; mothers of children with bad habits, diet inappropriate education and health; eat preserved eggs, canned food and beverages, may be caused by tin weld canned food, beverage pollution; children bite toys, sucking fingers, rarely washing hands before eating, and so on, directly eat into the lead digestive tract; lives of street and highway traffic is heavy side, will lead in air and dust in the human body through inhalation.
Prenatal lead exposure on child-impact
“Mom and Dad lead exposure in frequent contact with items that can easily affect the children, seemingly healthy mothers are also likely to lead to bring baby through umbilical cord blood.” According to the researchers, prenatal lead exposure than the post-natal lead exposure on child development more significant impact.
From the questionnaire survey of parents showed that 42.6% of the umbilical cord blood lead level has reached poisoning, mainly because of the mother and the family members engaged in occupational and environmental lead exposure, food lead pollution. Because of this, the doctor suggested, ready to produce the best women do first blood lead test before pregnancy to avoid bringing baby through the umbilical cord will lead; pregnant and lactating women should be temporarily exposed to the environment from lead pollution.
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