ASSESSMENT OF THE EFFECTIVENESS OF VENTILATION TYPES FOR REDUCING OCCUPATIONAL EXPOSURE TO BIOAEROSOLS IN HEALTH CARE STAFFS

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JAFARI MOHAMMAD JAVAD; HAJGHOLAMI MOHAMMAD REZA; JAFARI MINA; AMIRI ZOHREH; OMIDI LEILA; SALEHPOUR SOUSAN; TABARSI PAYAM

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Journal: Journal of Occupational Hygiene Engineering Year:2015 | Volume:1 | Issue:4 Page(s): 1-10

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Title

ASSESSMENT OF THE EFFECTIVENESS OF VENTILATION TYPES FOR REDUCING OCCUPATIONAL EXPOSURE TO BIOAEROSOLS IN HEALTH CARE STAFFS

Author(s)

Keywords

VENTILATION SYSTEMQ2

PERSONAL EXPOSUREQ2

HEALTH CARE STAFFSQ2

BIOAEROSOLSQ2

VENTILATION RATEQ2

Abstract

Background & Objectives: Hospital indoor air contains a wide range of airborne pathogenic BIOAEROSOLS which have a significant impact on health care staff’ health and welfare. The aim of this study was to assess the effects of VENTILATION SYSTEM types on PERSONAL EXPOSURE of the HEALTH CARE STAFFS to airborne BIOAEROSOLS in the isolation room of a hospital considering the patient bed arrangements and the standing locations of the health care staff.Methods: For personal sampling, the ACGIH recommended method (filtrationmethod) was used. PERSONAL EXPOSUREs were measured for 5 given types of VENTILATION SYSTEM, 2 patient bed arrangements (at a corner and in the middle of room), and 2 different standing locations for the health care staff (standing close to the patient’s bed, and down side section of the bed). Post hoc Dunnett's test was used to analyzethe relationships between the variables.Results: The highest exposure to airborne BIOAEROSOLS was observed when the VENTILATION SYSTEM was switched off. There were significant decreases in the concentration of BIOAEROSOLS after using all types of VENTILATION SYSTEMs (Pvalue<0.001). The ventilation capacities of12 air changes per hour showed the best results. No significant differences were found between the concentrations of BIOAEROSOLS and the patient bed arrangementsas well as the standing locations of the health care staff toward the VENTILATION SYSTEMs (Pvalue>0.05).Conclusion: The most effective VENTILATION SYSTEM for decreasing health care staff’ exposures in the isolation room was associated with supplying of air froma circular grill located on the northern wall and exhausting it through a linear slot located on the southern wall (type 1) with the VENTILATION RATE of12 air changes per hour.

Cites

EFFECT OF VENTILATION ON OCCUPATIONAL EXPOSURE TO AIRBORNE BIOLOGICAL CONTAMINANTS IN AN ISOLATION ROOM

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APA: Copy

JAFARI, MOHAMMAD JAVAD, HAJGHOLAMI, MOHAMMAD REZA, JAFARI, MINA, AMIRI, ZOHREH, OMIDI, LEILA, SALEHPOUR, SOUSAN, & TABARSI, PAYAM. (2015). ASSESSMENT OF THE EFFECTIVENESS OF VENTILATION TYPES FOR REDUCING OCCUPATIONAL EXPOSURE TO BIOAEROSOLS IN HEALTH CARE STAFFS. JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING, 1(4), 1-10. SID. https://sid.ir/paper/253445/en

Vancouver: Copy

JAFARI MOHAMMAD JAVAD, HAJGHOLAMI MOHAMMAD REZA, JAFARI MINA, AMIRI ZOHREH, OMIDI LEILA, SALEHPOUR SOUSAN, TABARSI PAYAM. ASSESSMENT OF THE EFFECTIVENESS OF VENTILATION TYPES FOR REDUCING OCCUPATIONAL EXPOSURE TO BIOAEROSOLS IN HEALTH CARE STAFFS. JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING[Internet]. 2015;1(4):1-10. Available from: https://sid.ir/paper/253445/en

IEEE: Copy

MOHAMMAD JAVAD JAFARI, MOHAMMAD REZA HAJGHOLAMI, MINA JAFARI, ZOHREH AMIRI, LEILA OMIDI, SOUSAN SALEHPOUR, and PAYAM TABARSI, “ASSESSMENT OF THE EFFECTIVENESS OF VENTILATION TYPES FOR REDUCING OCCUPATIONAL EXPOSURE TO BIOAEROSOLS IN HEALTH CARE STAFFS,” JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING, vol. 1, no. 4, pp. 1–10, 2015, [Online]. Available: https://sid.ir/paper/253445/en

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