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題名:某區域醫院門診環境空氣落菌數改善研究     (16點)
The Improvement of Air Bacteria Counts among Out-Patient Department Areas at a Regional Hospital
著者:呂旭峰(Hsu-Feng Lu) ;白壽雄(Hsou-Hsiung Pai) ;周明淵(Ming-Yuan Chou) ;明仁(Ming-Jen) ;孫吉珍(Chi-Chen Sun) ;劉榮宏(Jorn-Hon Liu) ;葉明陽(Ming-Yang Yeh)
出版地區:台灣
出版城市:台北市
學科:生命科學 ; 醫學綜合
關鍵字:室內空氣品質 ; 院內感染管制 ; 風洞試驗 ; Indoor air quality ; Nosocomial infection control ; Wind tunnel test
刊名:生物醫學暨檢驗科學雜誌
卷期:19卷1期(2007.3)
頁碼:17-24
語言:繁體中文
摘要: 中文摘要PDF ; 英文摘要PDF

醫院室內空氣的品質一直是醫院感染管制所關心的課題。某區域醫院?改善醫院室內空氣落菌數,先於一樓門診候診區進行十次風洞試驗,發現經過Bio-Kil處理的濾材,其落菌數(3 CFU/hr/plate)遠低於無Bio-Kil處理的濾材(14 CFU/hr/plate)(paired t test, p<0.001, n=10),平均殺菌率高達79%。其後以醫院實際空調之濾材導入Bio-Kil後,濾材上的滅菌效率?57.5%。?了進一步了解空氣中的實際落菌數,我們進一步調查Bio-Kil導入空調系統前後,一樓門診候診區空氣中實際活菌減少的數目。採樣點共計七個,包括A、B、L(35-40診候診區),以及D(1-20診候診區)、F(胸腔科與骨科診間走道)、K(大廳)、M(門診護理站服務櫃檯),每個點於每天上下午各取樣一次,由週一到週五連續採樣5天,?期六週,且期間不更換濾網。緊接著安裝Bio-Kil處理的濾網?實驗組,?期9週,期間也不更換濾網。結果不論是否導入Bio-Kil,同一個候診區的A、B與L三個採樣點,菌落數遠低於大廳、1-20診候診區、門診護理站服務櫃檯與胸腔科與骨科診間走道。因此A、B與L候診區落菌數較少,反而與外界通風較良好的大廳與1-20診候診區落菌數較高,有可能因?接觸外界環境,但也可能是因?大廳?多數病患必經之路,菌落由病患攜至醫院,亦或走動頻繁肇因於門診量增加。整體而論,未導入Bio-Kil,空氣落菌數平均約在108.8 CFU/hr/plate(n=420),但當導入Bio-Kil之後,空氣落菌數平均68.6 CFU/hr/plate(n=630),兩者具顯著差異(Student's t test),滅菌效率約30-47%,因此可了解Bio-Kil的導入可明顯降低空氣落菌數。值得注意的是,導入Bio-Kil還可降低更換濾網的頻率,不僅節省成本,並降低暴露在更換濾網時的危險。
The air quality within a hospital is particularly concerned by the nosocomial infection control personnel. In order to decrease the bacteria counts in air, we detected the number of bacteria counts by a wind tunnel instrument among Out Patient Department areas for ten times. The colony counts of the plate behind the filter with Bio-Kil (3 CFU/hr/plate) were significantly less than those without Bio-Kil (14 CFU/hr/plate) (paired t test, p<0.001, n=10). The average removal rate of bacteria counts was 79% by the wind tunnel test. Addition of Bio-Kil to the filters of air conditioners in the hospital was effective to decrease colony counts by 57.5%. To further evaluate the actual bacteria counts in the air, we compared the air quality after the introduction of Bio-Kil among the OPD areas. Air specimens were collected from A, B, L (rooms 35 to 40), D (rooms 1 to 20), F (the aisle between Chest Medicine room and Orthopedics room), K (lobby), and M (Outpatient Service Counter). Air specimens were collected twice a day (morning and afternoon) during weekdays for six weeks. The filters on hospital air conditioners without Bio-Kil were not exchanged until after six weeks. Within the next nine weeks, a new filter with Bio-Kil was installed and kept unchanged. No matter whether the Bio-Kil was introduced, the bacteria counts collected from A, B, L were always lower than those from another four collection sites. One possible explanation may be that the latter four sites are closers to the outdoor area, and many OPD patients may bring in bacteria when they visit the hospital. Generally speaking, the average bacteria count in the air was 108.8 CFU/hr/plate (n=420) without Bio-Kil and 68.6 CFU/hr/plate (n=630) with Bio-Kil (Student's t Test, p<0.001). Addition of Bio-Kil apparently reduced the bacteria counts by 30-47% among the seven collecting sites. Furthermore, the use of Bio-Kil could reduce the filter-exchange frequency, not only saving the maintenance cost but also protecting the engineering workers.


    

本卷期目次
生物醫學暨檢驗科學雜誌 19卷1期 (2007.3)
Chronic Systemic Inflammation Leading Eventually to Myocardial Infarction, Stroke, COPD, Renal Failure and Cancer is Induced by Multiple Risk Factors/ James T. WuLily L. Wu
某區域醫院門診環境空氣落菌數改善研究/ 呂旭峰白壽雄周明淵明仁孫吉珍劉榮宏葉明陽
Changes in Serum Magnesium Concentration in Trained and Untrained Subjects after Exercise/ Mei-Hsiang HsuJiunn-Min WangMing-Shih LeeChien-Pin LeeFu-Chou ChengMao-Tsun LinShiu-Min Cheng
Extranodal Burkitt's Lymphoma with Uterine Involvement: A Case Report/ Mei-Ling FanChieh-Tien WangHsien-Cheng WuWan-Lin ShenDavid Lu
利用反向序列特異性寡核?酸雜交法進行人類白血球抗原鑑定:與血清學法及序列特異性引子聚合?鏈鎖反應法之比較/ 沈似紋謝榮峰李雅芬楊雅倩
 
   
 
   

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