Application of chemical and biological indicators for control of infectious waste steam autoclave and correlation between them

Miranzadeh, M.B. and Zarfeshani, A.R. and Dehqan, S. and Hasanzadeh, M. and Sobahi-Bidgoli, M. (2013) Application of chemical and biological indicators for control of infectious waste steam autoclave and correlation between them. Middle East Journal of Scientific Research, 13 (7). pp. 913-918.

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Abstract

The management of infectious waste is of great importance due to its potential environmental hazards and hospital infection. In the past decade, the most common method for infectious waste disposal is incineration. But steam sterilization is currently being used as major treatment method of infectious waste. We studied the sterilization efficacy of a steam autoclave in Kashan Shahid Beheshti Hospital (KSBH) for decontamination of infectious waste during 2010. This steam autoclave was operated in eight times- Temperature category (A to H) and three load volume (low, moderate and high loading) at constant pressure. To evaluate the efficacy of waste sterilization a total of 192 biological and chemical indicator test (BI and CI) has been carried out during the study. Results of study were shown that best operation condition for waste sterilization is 121°C for 45 minute holding time at 1 atm pressure (category H). In addition, it is revealed that sterilization process isn't effected by load volume. A strong correlation were founded between BI and CI test results. Hence, because of lower cost and time CI test can be used in replace to BI test to monitor the sterilization process in steam autoclave. © IDOSI Publications, 2013.

Item Type: Article
Additional Information: cited By 0
Subjects: Health Professions
Divisions: Faculty of Health > Department of Environmental health
Depositing User: editor . 2
Date Deposited: 03 Mar 2017 13:33
Last Modified: 03 Mar 2017 13:33
URI: http://eprints.kaums.ac.ir/id/eprint/663

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