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  5. 胎便中金屬濃度與新生兒生長狀況之相關研究
 
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胎便中金屬濃度與新生兒生長狀況之相關研究

Other Title
The association between metal concentration in meconium and newborn’s development
Type
thesis
Date Issued
2008-06-16
Author(s)
陳明君
Advisor
簡伶朱
Subjects
系所名稱:公共衛生學研究所
Description
學位別:碩士
語文別:中文
指導教授:簡伶朱
共同指導教授:
口試委員:毛義方;韓柏檉
中文關鍵字:新生兒;胎便;鉛;鎘;汞;砷;生長狀況
Abstract
胎便(meconium)是嬰兒出生24小時後,第一次排泄物,胎便的組成包括胃腸道中的表皮細胞、胎毛、胎脂、羊水,因此胎便可以反應出胎兒在子宮內腸胃道中的金屬的累積量。本研究採橫斷性的研究設計,以新生兒胎便中鉛、鎘、汞、砷濃度作為其在母親子宮內金屬累積暴露之生物指標,探討胎便金屬濃度與新生兒生長狀況之相關性,並評估母親的基本人口學特徵、生活型態、飲食習慣對胎便中鉛、鎘、汞、砷濃度與新生兒生長狀況之影響。研究期間為2006年12月至2007年4月,於新竹某醫院進行收樣,個案為母親及新生兒配對共198對,均為自願且懷孕期間無併發症者,進行母親基本資料蒐集與問卷訪視,收集新生兒出生第一天的胎便及紀錄生長狀況,並分析胎便中鉛、鎘、汞、砷濃度,其中胎便鉛、鎘、砷濃度使用感應耦合電漿質譜儀(Inductively Coupled Plasma Mass Spectrometry; ICP-MS)分析,胎便汞濃度使汞分析儀(Mercury Analysis System)分析。結果發現,新生兒胎便中鉛、鎘、汞、砷的幾何平均濃度分別為11.69±2.10 ppb dry weight (wt)、13.59±7.65 ppb dry wt、79.21±7.33 ppb dry wt、23.45±50.50 ppb dry wt。母親生產胎次為第一胎、籍貫為原住民者其新生兒胎便鉛濃度顯著較高;懷孕前有吃生魚片習慣者其胎便汞濃度顯著較高。複廻歸模式中發現母親喝酒、懷孕期間魚攝取量(克/餐)會顯著降低新生兒的出生體重;母親有喝酒習慣與職業暴露則新生兒的出生頭圍比沒有者顯著較小;母親有喝酒習慣、年齡越大則新生兒生產週數顯著較長。此外,調整新生兒胎便汞濃度與母親職業暴露後,胎便砷濃度每增加10 ppb,則新生兒出生頭圍異常(<32公分)的危險對比值就提高4.46倍(95% C.I=1.086-18.38);調整新生兒胎便汞濃度與砷濃度後,有職業暴露的母親,其新生兒出生頭圍異常(<32公分)的危險對比值較沒職業暴露者高 (OR=13.48, 95% C.I=1.54-118.24)。研究結果顯示母親的職業暴露、魚攝取量與胎便金屬濃度,特別是汞和砷會影響新生兒生長狀況。
URI
https://203.71.86.71/handle/123456789/12523
https://hdl.handle.net/11296/n63e77
File(s)
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C0187377.pdf

Size

13.56 MB

Format

Adobe PDF

Checksum

(MD5):bcc28c92b0d271a1a1b9b5214c064147

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