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Recommendations for ventilation of remodeled negative-pressure isolation wards for COVID-19 patients: A comparison of international guidelines.
Chen, Chung-Yen; Chen, Ping-Hui; Chen, Jia-Kun; Su, Ta-Chen.
  • Chen CY; Department of Environmental and Occupational Medicine, National Taiwan University Hospital Yunlin Branch, Taiwan; Department of Environmental and Occupational Medicine, National Taiwan University Hospital, Taiwan; Institute of Environmental and Occupational Health Sciences, College of Public Health,
  • Chen PH; Department of Environmental and Occupational Medicine, National Taiwan University Hospital, Taiwan; Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taiwan; Department of Environmental and Occupational Medicine, National Taiwan Univer
  • Chen JK; Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taiwan. Electronic address: jkchen29@ntu.edu.tw.
  • Su TC; Department of Environmental and Occupational Medicine, National Taiwan University Hospital, Taiwan; Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taiwan.
J Formos Med Assoc ; 122(2): 91-97, 2023 Feb.
Article in English | MEDLINE | ID: covidwho-2122589
ABSTRACT
This mini-review provides the practice guideline recommendations for ventilation of remodeled negative-pressure isolation wards for COVID-19 Patients. Remodeled "quasi-negative-pressure" isolation wards had been proved a feasible, inexpensive, safe, and effective measure to contain nosocomial outbreaks. We should first determine the minimum required ventilation volume of an isolation ward based on the severity of COVID-19 patients. Mechanical ventilation remains the mainstay for achieving the requirement, while the assistance of recirculation is also helpful. Beyond adequate ventilation volume, the "clean to less-clean" directional airflow remains the golden rule for the solution of indoor ventilation. The virus-laden exhaust should be treated with HEPA/UV device or be kept away from living organisms, buildings, and air inlets.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Type of study: Prognostic study Limits: Humans Language: English Journal: J Formos Med Assoc Journal subject: Medicine Year: 2023 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Type of study: Prognostic study Limits: Humans Language: English Journal: J Formos Med Assoc Journal subject: Medicine Year: 2023 Document Type: Article