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自闭症美国检测:头发重金属(6项常规检测之一)
文章来源:大平原实验室   2014-07-07    浏览次数:

样本的采集、保存、送样……请参考文章——生化检测必看

 

研究表明,有自闭症的孩子对去除毒性金属也许反应良好。有自闭症孩子有低水平的基本元素钙,钾,锌,和镁。通过定量检测,对治疗起到重要的指导作用。
 
一、大平原重金属(头发)检测取样说明
 
1、大平原实验室的重金属检测,取什么样本?
答:头发
 
2、头发有何特殊要求?
答:耳朵后面,尽量贴紧头皮,且分五六个不同部位
 
3、采集前要不要清洗头发?
答:采集前,用清水洗干净,然后用不锈钢剪刀采集
 
4、需要采集多少?
答:大平原有专门的“头发采集包”,里面有一个用硬纸片做的“跷跷板”样的称,量足够时,自动会压平纸的一段,很容易操作
 
5、为何要测重金属?
答:研究表明,重金属对胎儿、婴幼儿的大脑神经系统有严重的损伤,甚至是毁灭性的影响。重金属检测,对于后期的重金属的“排”和“防”,有重要的意义

重金属头发检测简介

重金属中毒一般是由环境污染和工业化学制品引起的,并会对儿童的健康和发育产生非常恶劣的影响。有毒重金属在人体组织和大脑中的大量堆积会引发严重的发育障碍和神经受损。

重金属毛发检测用于检测当前人体内的有毒金属含量。由于毛发是人体重要的排泄组织,因此它能够真实地反映人体内各种物质的含量。通过对毛发中各种物质含量的分析,医学工作者能够提前对由矿物质缺乏和有毒物质代谢引起的各种生理障碍进行确诊。

在美国国家环境保护局近期的一份报告中曾这样指出:“如果我们能正确地收集和清洗毛发样本,并且在一个可靠且干净的实验中用最好的方法和高要求的标准对其进行检测,那么制作出的检测报告将是非常可靠且具有信服力的。
(U.S.E.P.A. 600/4-79-049)

美国疾病控制中心表示,从毛发中检测出的汞含量是对食用含甲基汞鱼类而导致中毒的最好因果标记。

临床应用价值

• 检测重金属中毒是否与病症有关
• 检测是否是由于缺乏微量元素而导致代谢紊乱

后续建议

根据检测结果,推荐使用下列后续措施:
• 确定重金属污染源
• 移除环境中的重金属
• 移除残留于体内的重金属
• 补充缺乏的微量元素
• 补充用于排毒的微量元素

样本要求

头发: 至少需要0.25 克毛发。推荐收集1克毛发。
尿样: 至少需要40毫升。推荐收集50毫升。
对重金属的额外检测

尿液

推荐在使用了螯合剂(除重金属用)后检测重金属的残留量。在进行了重金属排毒治疗后,从尿液中我们可以较为客观地得知重金属在人体组织中的残留量。
 

检测报告

在人体中发现的重金属含量越高,其致病的可能性就越高。高含量的重金属会直接导致很多慢性疾病。检测体内的重金属含量能够为治疗重金属中毒起到积极的指导作用。营养矿物质的含量也能从一个侧面反映重金属在人体的含量。如果人体缺乏某些特定的矿物质,就会降低自身的排毒能力,并阻碍神经传递能力。
头发

有毒物质:

铝,锑,砷,铍,铋,镉,铅,汞,铂,铊,钍,铀,镍,银,锡,钛
营养物质:
钙,镁,钠,钾,铜,锌,锰,铬,钒,钼,硼,碘,锂,磷,硒,锶,硫,钡,钴,铁,锗,铷,锆;
金属比率:钙/镁,钠/钾,锌/铜,锌/镉,钙/磷

尿检

有毒物质:

铝,锑,砷,钡,铍,铋,镉,铯,钆,铅,汞,镍,钯,铂,碲,铊,钍,锡,钛,钨,铀
营养物质:

硼,钙,铬,钴,铜,铁,镁,锰,钼,磷,钾,硒,钠,锶,硫,钒,锌

 
Heavy metals toxicity caused by increasing levels of pollution and use of chemicals in industry is a growing threat to our health and development of our children. High levels of toxic metals deposited in body tissues and subsequently in the brain, may cause significant developmental and neurological damage.A Metals Hair Test is ideal for checking current exposure to toxic metals. With respect to its contained elements, hair is essentially an excretory tissue rather than a functional tissue. Hair provides important information which can assist the practitioner with an early diagnosis of physiological disorders associated with aberrations in essential and toxic element metabolism.The U.S. Environmental Protection Agency stated in a recent report that “...if hair samples are properly collected and cleaned, and analyzed by the best analytic methods, using standards and blanks as required, in a clean and reliable laboratory by experienced personnel, the data are reliable.” (U.S.E.P.A. 600/4-79-049)
 
The CDC acknowledges that hair mercury levels provide a valuable maternal and infant marker for exposure to neurotoxic methylmercury from fish.Find out more about the sources of heavy metal toxicityhere.Click here to view the Recommendations By Disorder Chart (PDF)
 
为什么选择头发检测?Extensive research established that scalp hair element levels are related to human systemic levels. The strength of this relationship varies for specific elements, and many researchers consider hair as the tissue of choice for toxic and several nutrient elements. Unlike blood, hair element levels are not regulated by homeostatic mechanisms. Thus, deviations in hair element levels often appear prior to overt symptoms and can thereby be a valuable preliminary tool for predicting the development of physiological abnormalities.

Why hair?

With respect to its contained elements, hair is essentially an excretory tissue rather than a functional tissue. Hair element analysis provides important information which, in conjunction with symptoms and other laboratory values, can assist the physician with an early diagnosis of physiological disorders associated with aberrations in essential and toxic element metabolism.As protein is synthesized in the hair follicle, elements are incorporated permanently into the hair with no further exchange with other tissues. Scalp hair is easy to sample, and because it grows an average of one to two cm per month, it contains a “temporal record” of element metabolism and exposure to toxic elements.Nutrient elements including magnesium, chromium, zinc, copper and selenium are obligatory coactors for hundreds of important enzymes and also are essential for the normal functions of vitamins. The levels of these elements in hair are correlated with levels in organs and other tissues.Toxic elements may be 200-300 times more highly concentrated in hair than in blood or urine. Therefore, hair is the tissue of choice for detection of recent exposure to elements such as arsenic, aluminum, cadmium, lead, antimony, and mercury. The CDC acknowledges the value of hair mercury levels as a maternal and infant marker for exposure to neurotoxic methylmercury from fish.Through recent vast improvements in technology, instrumentation, and application of scientific protocols, hair element analysis has become a valuable tool in providing dependable and useful data for physicians and their patients. The U.S. Environmental Protection agency stated in a recent report that “...if hair samples are properly collected and cleaned, and analyzed by the best analytic methods, using standards and blanks as required, in a clean and reliable laboratory by experienced personnel, the data are reliable.” (U.S.E.P.A. 600/4-79-049)
 
Hair, however, is vulnerable to external elemental contamination by means of certain shampoos, bleaches, dyes, and curing or straightening treatments. Therefore, the first step in the interpretation of a hair element report is to rule out sources of external contamination.Hair element analysis is a valuable and inexpensive screen for physiological excess, deficiency or maldistribution of elements. It should not be considered a stand-alone diagnostic test for essential element function, and should be used in conjunction with patient symptoms and other laboratory tests.
 
检测的益处
Determine if metal toxicity or mineral deficiency is contributing to your disorder.Monitor the effects of chelation (elimination of heavy metals from the body).Identify ifsupplementationof important minerals may bring about significant improvementsConsultation about results is included with each test at The Great Plains Laboratory, Inc.

 
检测对象营养物质:
 
钙,镁,钠,钾,铜,锌,锰,铬,钒,钼,硼,碘,锂,磷,硒,锶,硫,钡,钴,铁,锗,铷,锆;金属比率:钙/镁,钠/钾,锌/铜,锌/镉,钙/磷有毒物质:A铝,锑,砷,铍,铋,镉,铅,汞,铂,铊,钍,铀,镍,银,锡,钛
 
检测所需时间本检测一般需要2-3周时间,除非遇到不可预知的特殊情况。
 
样本要求至少需要0.25 克头发。
 
推荐收集1克头发。

更多内容可以参考:http://www.aq-hospital.com/goods-50.html

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