Takao Yoshiko, Onozuka Daisuke, Kataoka Kyoichiro, Todaka Takashi, Hirakawa Hironori, Kajiwara Jumboku, Yoshimura Takesumi
Fukuoka Institute of Health and Environmental Sciences, Fukuoka 818-0135, Japan.
Fukuoka Igaku Zasshi. 2007 May;98(5):149-52.
In the Yusho medical checkup, measurement of dioxin has been performed since 2001. Although the time trend of dioxin concentrations in blood from 2001 to 2005 has been reported for the whole measurement candidate, details in the trend are not known. Therefore, to verify the trend, we divided the Yusho patients into four quatertile groups based on the dioxin concentrations. About 39 years have passed since Yusho occurred, and it is said that a big change in the concentrations of 2,3,4,7,8-PeCDF in blood is now no longer seen. However, when the Yusho patients were divided into the four groups, a downward tendency was even now found in the higher dioxin groups, but not in the lower dioxin groups.
在玉水病体检中，自2001年起开始进行二噁英检测。虽然已报告了2001年至2005年全体检测对象血液中二噁英浓度的时间趋势，但该趋势的详细情况尚不清楚。因此，为了验证该趋势，我们根据二噁英浓度将玉水病患者分为四个四分位数组。自玉水病发生以来已过去约39年，据说现在血液中2,3,4,7,8-五氯二苯并呋喃的浓度已不再有大的变化。然而，当将玉水病患者分为四组时，目前在二噁英浓度较高的组中仍发现有下降趋势，而在二噁英浓度较低的组中则未发现。
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