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  5. 住院病患感染萬古黴素抗藥性腸球菌之危險因子與預後分析
 
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住院病患感染萬古黴素抗藥性腸球菌之危險因子與預後分析

Other Title
Risk factors and prognosis of vancomycin-resistant Enterococcus faecium Infection in hospitalized patients
Type
thesis
Date Issued
2022-07-07
Author(s)
李佳娟
Advisor
楊沂淵
Subjects
系所名稱:醫學檢驗暨生物技術學系碩士在職專班
Publisher
醫學檢驗暨生物技術學系碩士在職專班
Description
口試委員:呂思潔 LEU, SY-JYE;廖年捷 LIAO, NIEN-CHIEH;楊沂淵 YANG, YI-YUAN
網際網路,開放日期為2022-07-25
Abstract
萬古黴素抗藥性腸球菌(vancomycin-resistant Enterococcus,VRE),對vancomycin具有抗藥性,臨床上常見引起泌尿道感染(urinary tract infection,UTI)。最常被分離出來的致病菌種為糞腸球菌(Enterococcus faecalis)和屎腸球菌(Enterococcus faecium)。根據台灣疾病管制署台灣醫院感染管制與抗藥性監測管理系統(Taiwan Healthcare-Associated Infection & Antimicrobial Resistance Surveillance System,THAS系統)近年來的統計結果顯示,在醫療照護相關泌尿道感染的菌種中,腸球菌分離率逐年攀升,而其中對萬古黴素具有抗藥性的E. faecium (vancomycin-resistant Enterococcus faecium,VREfm)分離率已增加至六成以上。從尿液中培養出VRE時,不易分辨是屬於移生菌(colonization)還是致病菌,進而影響到治療方式的選擇,而目前對於由VRE引起的泌尿道感染,所能選擇的治療藥物相當有限且缺乏最佳治療方式,關於抗生素的選擇、投藥的時機、治療的效果仍有不確定性。因此,本研究旨在評估VRE泌尿道感染的危險因子並確定不同治療藥物的預後。研究採病歷回溯性研究,收集振興醫院2015年至2020年間於尿液檢體中培養出VREfm陽性的住院病人臨床紀錄,包括病人基本資料、臨床表徵、實驗室檢驗數據、抗生素使用紀錄、侵入性醫療處置、合併症等資料。依據VRE泌尿道感染後是否投予抗VRE藥物治療對病人進行分組,分析細菌廓清率及住院死亡率。研究結果顯示,是否對VRE泌尿道感染的病人投予抗VRE藥物治療,對於病人細菌廓清率有影響(P= 0.031),但是對於病人住院死亡率並無顯著影響(P= 0.456),進一步分析不同抗VRE藥物治療結果發現,給予linezolid治療或給予daptomycin治療,兩者在死亡率上也沒有達統計學上顯著差異(18.2% vs. 30.8%,P= 0.439)。另外,從多變項羅吉斯迴歸分析(Logistic regression)結果顯示,VRE泌尿道感染時之疾病嚴重度是影響病人死亡率之危險因子(P= 0.027)。
URI
https://handle.ncl.edu.tw/11296/qct9h8
https://203.71.86.71/handle/123456789/10892

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