| Microbial Isolates from Central Air-Conditioning Systems in Hospital |
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Kil Hwan Lee1, Hwa Sik Moon1, Jeong Sup Song1, Sung Hak Park1, Hae Won Pyun1, Seok Jin Gang2, Sun Moo Kim2 |
1Department of Internal Medicine, Catholic University , Medical College, Seoul, Korea
2Department of Clinincal Pathology, Catholic University , Medical College, Seoul, Korea |
| 병원의 냉난방 공기조절장치에서의 세균 및 진균배양검사 |
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이길환1, 문화식1, 송정섭1, 박성학1, 변해원1, 강석진2, 김선무2 |
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| Abstract |
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In order to elucidate a possible role of the central air-conditioning system in hospital-acquired infections, the dusts and air were sampled from air-conditioning systems in general ward, corridor, medical ICU, hemodialysis room and laminar flow room, and cultured in blood agar and Sabouraud dextrose agar media. On fungal cultures of dust from all sites except the laminar flow room, Penicillium spp., Phialophora spp., Rhizopus spp., Cladosporium spp., Candida spp., Aspergillus spp., were isolated and on bacterial cultures, Bacillus subtilis. micrococci, coagulase negative staphylococci were isolated. On bacterial cultures of air from same sites, micrococci, coagulase negative staphylococci, Bacillus subtilis were isolated and no organism was isolated from bacterial and fungal cultures. This results suggest that the laminar flow room is necessaη for the immunosuppressed patients, and in the central air-conditioning rooms, the hypersensitivity pneumonitis caused by fungal agents and the opportunistic infections should be considered. |
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