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  5. 比較自動化RPR與手工RPR測試方法試驗的定量之研究
 
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比較自動化RPR與手工RPR測試方法試驗的定量之研究

Other Title
A study for comparison of two quantitative methods between automated and manual Rapid Plasma Reagin
Type
thesis
Date Issued
2012-07-15
Author(s)
陳婉萍
Advisor
何元順
Subjects
系所名稱:醫學檢驗暨生物技術學系
Publisher
醫學檢驗暨生物技術學系
Description
學位別:碩士
語文別:中文
指導教授:何元順
共同指導教授:
口試委員:王應然;楊沂淵
中文關鍵字:梅毒;快速血漿反應素試驗
Abstract
梅毒主要是梅毒螺旋體(Treponema pallidum)經由性行為感染的一種慢性全身性疾病,在感染的早期很難做診斷,目前國內實驗室大多利用手工法快速血漿反應素卡片試驗法(Rapid Plasma Reagin(RPR)Card Test)來做為梅毒篩檢。然而這個傳統試驗除了容易有偽陽性的報告外,在效價的目測判讀方面也不具客觀性。
因此,本研究使用自動化RPR試劑(MediaceRRPR)來進行兩種新舊方法的評估。首先,我們篩選10例手工法RRR陽性檢體進行倍數稀釋分析,由結果顯示自動化RPR試劑在各個不同倍數的重複性測試方面再現性良好(CV<1.0%),另外,當手工法RPR呈現高價數時,使用自動化RPR試劑會出現Prozone effect的現象,在價數低於1:8的檢體則呈現良好的線性結果。
在臨床檢體實測上,我們使用自動化RPR試劑來分析已使用手工法RPR檢測過的1381例臨床血清進行兩種方法的一致性評估,並使用TPPA(Treponema pallidum particle agglutination)的方法做為陽性檢體之確認試驗。自動化RPR試劑在臨床診斷結果的統計分析呈現高敏感度(100%)與高專一性(99.2%)。115例造成手工法RPR偽陽性的原因中,有90例(78.2%)為接受過梅毒治療的案例,但是依其臨床診斷結果顯示這些實為治療成功之案例,自動化RPR試劑正確反應陰性結果。
綜合以上結果,自動化RPR試劑在臨床檢測上優於手工法RPR,我們期待可以藉由此計畫將傳統手工法RPR試驗更換成快速且具定量數值的自動化檢驗,讓臨床醫師在做診斷時有更正確的依據。
URI
https://203.71.86.71/handle/123456789/11178

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