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題 名 | Exposure to Environmental Tobacco Smoke and Urinary 1-Hydroxypyrene Levels in Preschool Children=學齡前兒童暴露於二手煙與尿中1-hydroxypyrene之研究 |
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作 者 | 蔡秀婷; 吳明蒼; 何啟功; 劉嘉玲; | 書刊名 | The Kaohsiung Journal of Medical Sciences |
卷 期 | 19:3 2003.03[民92.03] |
頁 次 | 頁97-104 |
分類號 | 411.84 |
關鍵詞 | 學齡前兒童; 二手煙; Environmental tobacco smoke; Urinary 1-hydroxypyrene; Preschool children; 1-hydroxypyrene; |
語 文 | 英文(English) |
中文摘要 | 二手煙中含有高濃度的多環芳香碳水化合物(polycyclic aromatic hydrocarbons,PAHs)。在職業衛生的相關研究中,已發現尿液中 pyrene 的代謝產物 1-hydroxypyrene(1-OHP)為預測是否暴露於多環芳香碳水化合物的一項良好生物指標。因此,本研究將探討學齡前兒童暴露於二手煙中,與其尿液 1-OHP 的濃度之相關性。本研究於民國 88 年 11 月至 12 月,針對 40 位年齡分布於 24-76 個月之學齡前兒童為對象,以問卷調查及分別收集二次之尿液研究方式(清晨起床後第一次尿液及臨睡前尿液,以螢光分光光度測量法來檢測其尿中的 1-OHP 濃度)。清晨起床後的第一次尿液及臨睡前尿中之 1-OHP 濃度值的中位數(範圍)(單位:μg/g creatinine)分別為 0.021(0.002-1.019)和 0.015(0.002-1.328);雖然其尿中的 1-OHP 濃度並不高,但仍可測出其濃度。以多變項線性迴歸統計分析,並控制其他潛在干擾因子後,發現研究個案的父親在研究個案被收集尿液接受檢查的前三天,抽煙的總數與個案清晨起床後的尿中 1-OHP 濃度有顯著地相關性;個案父親平均每抽一支煙,就會使個案清晨起床後尿中的平均 1-OHP 濃度增加 9.6%(95% 信賴區間 = 1.8-18.1%,p = 0.02)。研究中並未發現父親抽煙會顯著影響個案的臨睡前尿中之 1-OHP 濃度值(p = 0.19)。雖然,此研究之樣本數不多,但本研究結果顯示,尿中 1-OHP 之濃度可作為預測兒童是否暴露於二手煙之生物指標。 |
英文摘要 | Environmental tobacco smoke (ETS) contains relatively high concentrations of polycyclic aromatic hydrocarbons (PAHs). Urinary 1-hydroxypyrene (1-OHP), a metabolite of pyrene, is a good indicator of PAH exposure in occupational studies. In this study, we investigated the relationship between urinary 1-OHP concentration and ETS exposure in preschool children. Forty preschool children, aged 24-76 months, were studied during November and December, 1999. Two spot-urine specimens (one in the morning immediately after the subject woke up and the other at night before the subject went to bed) were collected 1 day after completion of a questionnaire, in order to determine 1-OHP concentrations by fluorescent spectrophotometry. Overall, urinary 1-OHP concentrations were relatively low but detectable (morning: median, 0.021 μg/g creatinine; range, 0.002-1.019 μg/g creatinine; night: median, 0.015 μg/g creatinine; range, 0.002-1.328 μg/g creatinine). Multiple linear regression analyses revealed that the total number of cigarettes smoked by the children’s fathers during the 3 days prior to collection of the urine specimens was significantly associated with their urinary 1-OHP concentrations, after adjusting for other confounders. Each cigarette smoked by a child’s father resulted in an average 9.6% increase in 1-OHP concentration in the morning urine specimen (95% confidence interval = 1.8-18.1%; p = 0.02). We did not find a significant increase in the 1-OHP concentration in night urine specimens (p = 0.19). Although the sample size was small, these findings indicate that urinary 1-OHP may be a suitable biomarker of ETS carcinogen exposure in children. |
本系統中英文摘要資訊取自各篇刊載內容。