Investigation and sensory control of surface and air pollution in isolation ward of severe COVID-19 patients_Chinese Journal of Respiratory and Critical Care Medicine

Authors：

CHENG Lan ¹ , HUANG Ruichen ¹ , WANG Hui ² , LI Yi ³ , QIN Hao ¹ , FU Yingyuan ¹ , SHA Yali ¹ , CHEN Li ¹ , ZHANG Xinwen ⁴ ,  CHEN Yi ⁵ ,  ZHANG Wei ¹

1. Respiratory and Critical Care Department of the First Affiliated Hospital of Naval Military Medical University, Shanghai 200433, P. R. China;
2. Nursing Department of the First Affiliated Hospital of Naval Military Medical University, Shanghai 200433, P. R. China;
3. Infectious Disease Control Department of the First Affiliated Hospital of Naval Military Medical University, Shanghai 200433, P. R. China;
4. 94826 Army Hospital, Shanghai 200433, P. R. China;
5. Infectious Diseases Department of the First Affiliated Hospital of Naval Military Medical University, Shanghai 200433, P. R. China;

Corresponding?author：

CHEN Yi, Email: cheny7805@163.com; ZHANG Wei, Email: zhangweismmu@126.com

Keywords：

SARS-CoV-2; severe isolation wards; environmental pollution; air pollution; disinfection

DOI：

10.7507/1671-6205.202209003

Video：

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Objective To evaluate the effect of disinfection measures in the isolation ward of ICU in severe patients infected with the Omilkerong variant of the new coronavirus, and to optimize the infection control measures. Methods Referring to the patient's epidemiological and nucleic acid sample data, nucleic acid sampling was performed on the isolated ward environment by surface sampling method, and the nucleic acid Ct value of virus was detected by parallel fluorescence PCR method. The aerosol was collected by a wet-wall cyclone sampler, and the nucleic acid Ct value of the virus was detected by parallel fluorescence PCR. Results Before daily disinfection, SARS-CoV-2 positive samples were found on the surface of the patient's ward and air sampling after the tracheoscopic tracheostomy. No positive samples of SARS-CoV-2 were found on the surface of articles and air in the patient's ward after daily disinfection. Conclusion The daily disinfection measures of the hospital can achieve the effect of SARS-CoV-2 disinfection, which suggests that the surface of the articles in the ward after invasive operations such as tracheostomy and tracheoscopy, especially within 2 meters of the tracheostomy and the tracheostomy, is the key part of disinfection, which needs to be paid attention to.

Citation： CHENG Lan, HUANG Ruichen, WANG Hui, LI Yi, QIN Hao, FU Yingyuan, SHA Yali, CHEN Li, ZHANG Xinwen, CHEN Yi, ZHANG Wei. Investigation and sensory control of surface and air pollution in isolation ward of severe COVID-19 patients. Chinese Journal of Respiratory and Critical Care Medicine, 2023, 22(12): 840-844. doi: 10.7507/1671-6205.202209003 Copy

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19.	葉秋萍, 馮靖祎, 呂穎瑩, 等. 醫療機構新冠肺炎疫情防控醫學裝備配置探討. 中國醫院建筑與裝備, 2020, 21(09): 84-87.
20.	劉坤, 劉爭, 黃浩, 等. 新型冠狀病毒肺炎疫情下普通病房的護理管理策略. 護士進修雜志, 2020, 35(7): 619-621.
21.	王共飛, 查濤, 王毅, 等. 動力送風過濾式呼吸器在新型冠狀病毒核酸檢測中的應用. 職業衛生與應急救援, 2020, 38(5): 4.
22.	饒琳, 韓文東, 李紅, 等. 新型冠狀病毒肺炎疫情中醫護人員個人防護裝備的選擇與使用. 微生物與感染, 2020, 15(1): 44-51.

1. World Health Organization. Coronavirus disease(COVID-19)pandemic[EB/OL]. [2022-05-16].https://www.who.int/news-room/fact-sheets/detail/coronavirus-disease-(covid-19).
2. 上海市衛生健康委員會. 5月16日(0-24 時)上海新增本土確診病例77 例、無癥狀感染者746例[EB/OL]. [2022-05-17]. https://www.guancha.cn/politics/2022_05_17_640079.shtml.
3. World Health Organization. Classification of Omicron (B. 1.1. 529): SARS-CoV-2 Variant of Concern [EB/OL]. (2021-11-26)[2022-02-12]. https://www.who.int/news/item/26-11-2021-classification-of-omicron-(b.1.1.529)-SARS-CoV-2-variant-of-concern.
4. 新型冠狀病毒肺炎診療方案(試行第九版). 傳染病信息, 2022, 35(2): 97-106.
5. 《物體表面新型冠狀病毒樣本采集技術規范》(DB11/T1748-2020).https://max.book118.com/html/2020/0917/5330333301002344.shtm.
6. 吳洪敏, 劉明星, 劉璇, 等. 某新冠肺炎定點醫院環境氣溶膠SARS-CoV-2核酸檢測結果. 中華醫院感染學雜志, 2022(9): 1426-1429.
7. 醫療機構內新型冠狀病毒感染預防與控制技術指南(第三版). 中國農村衛生, 2022, 14(1): 7-11.
8. 于佳, 李志夫, 張靜, 等. 醫院環境空氣及物表次氯酸霧化消毒效果. 中國醫院感染雜志, 2021, 31(4): 616-619..
9. Jiang YF, Wang HF, Chen YK, et al. Clinical data on hospital environmental hygiene monitoring and medical staff protection during the Coronavirus Disease 2019 outbreak[EB/OL]. medRxiv. [2020-02-27]. https://doi.org/10.1101/2020.02.25.20028043.
10. 智霞萍, 王玉珀, 關平華, 等. 確診患者病房新型冠狀病毒污染狀況. 中國感染控制雜志, 2020, 19(4): 315-318.
11. 魏秋華, 任哲. 2019新型冠狀病毒感染的肺炎疫源地消毒措施. 中國消毒學雜志, 2020, 37(1): 59-62.
12. 高慧敏, 田凌云, 李麗, 等. 2020年新型冠狀病毒肺炎定點醫院隔離病區醫護人員職業暴露問卷調查. 中華醫院感染學雜志, 2020, 30(21): 3219-3223.
13. 倪忠, 秦浩, 李潔, 等. 新型冠狀病毒肺炎患者經鼻高流量氧療使用管理專家共識. 中國呼吸與危重監護雜志, 2020, 19(2): 110-115.
14. 武淑萍, 羅淑平, 袁熹娜, 等. 危重型新型冠狀病毒肺炎患者人工氣道規范化管理的實施. 解放軍護理雜志, 2020, 37(8): 72-75+78.
15. Sorbello M, Rosenblatt W, Hofmeyr R, et al. Aerosol boxes and barrier enclosures for airway management in COVID-19 patients: a scoping review and narrative synthesis. Br J Anaesth, 2020, 125(6): 880-894.
16. 黃文治, 趙海鳴, 付學勤, 等. 新冠肺炎疫情下產生氣溶膠的醫療操作. 中國感染控制雜志, 2020, 19(10): 938-944.
17. van Doremalen N, Bushmaker T, Morris DH, et al. Aerosol and surface stability of HCoV-19 (SARS-CoV-2) compared to SARS-CoV-1. N Engl J Med, 2020, 382(16): 1564-1567.
18. Bedell K, Buchaklian AH, Perlman S. Efficacy of an automated multiple emitter whole-room ultraviolet-C disinfection system against coronaviruses MHV and MERS-CoV. Infect Control Hosp Epidemiol, 2016, 37(5): 598-599.
19. 葉秋萍, 馮靖祎, 呂穎瑩, 等. 醫療機構新冠肺炎疫情防控醫學裝備配置探討. 中國醫院建筑與裝備, 2020, 21(09): 84-87.
20. 劉坤, 劉爭, 黃浩, 等. 新型冠狀病毒肺炎疫情下普通病房的護理管理策略. 護士進修雜志, 2020, 35(7): 619-621.
21. 王共飛, 查濤, 王毅, 等. 動力送風過濾式呼吸器在新型冠狀病毒核酸檢測中的應用. 職業衛生與應急救援, 2020, 38(5): 4.
22. 饒琳, 韓文東, 李紅, 等. 新型冠狀病毒肺炎疫情中醫護人員個人防護裝備的選擇與使用. 微生物與感染, 2020, 15(1): 44-51.

Chinese Journal of Respiratory and Critical Care Medicine

Investigation and sensory control of surface and air pollution in isolation ward of severe COVID-19 patients

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