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首页> 美国卫生研究院文献>Industrial Health >The correlation of Acanthamoeba from the ventilation system with other environmental parameters in commercial buildings as possible indicator for indoor air quality
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The correlation of Acanthamoeba from the ventilation system with other environmental parameters in commercial buildings as possible indicator for indoor air quality

机译：通风系统中棘阿米巴与商业建筑中其他环境参数的相关性可作为室内空气质量的指标

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The free-living protozoan Acanthamoeba is an opportunistic pathogen that is ubiquitous in our environment. However, its role in affecting indoor air quality and ill-health of indoor occupants is relatively unknown. The present study investigated the presence of Acanthamoeba from the ventilation system and its correlation with other indoor air quality parameters, used in the industry code of practice and its potential as an indicator for indoor air quality. Indoor air quality assessments were carried out in nine commercial buildings with approval from the building management, and the parameters assessed were as recommended by the Department of Occupational Safety and Health. The presence of Acanthamoeba was determined through dust swabs from the ventilation system and indoor furniture. Logistic regression was performed to study the correlation between assessed parameters and occupants’ complaints. A total of 107 sampling points were assessed and 40.2% of the supplying air diffuser and blowing fan and 15% of the furniture were positive for cysts. There was a significant correlation between Acanthamoeba detected from the ventilation system with ambient total fungus count (r=0.327; p=0.01) and respirable particulates (r=0.276; p=0.01). Occupants’ sick building syndrome experience also correlated with the presence of Acanthamoeba in the ventilation system (r=0.361; p=0.01) and those detected on the furniture (r=0.290; p=0.01). Logistic regression showed that there was a five-fold probability of sick building syndrome among occupants when Acanthamoeba was detected in the ventilation system.
机译：自由生存的原生动物棘阿米巴是一种机会病原体，在我们的环境中无处不在。然而，其在影响室内空气质量和室内居住者的不良健康中的作用是相对未知的。本研究调查了通风系统中棘阿米巴的存在及其与其他室内空气质量参数的相关性，并将其用于行业实践准则中，并将其作为室内空气质量的指标。在建筑物管理部门的批准下，在9座商业建筑物中进行了室内空气质量评估，评估的参数符合职业安全与卫生部的建议。通过通风系统和室内家具上的灰尘拭子确定棘阿米巴的存在。进行逻辑回归分析以研究评估的参数与乘员的抱怨之间的相关性。总共评估了107个采样点，供气扩散器和鼓风机的40.2％，以及囊肿阳性的家具的15％。从通风系统检测到的棘阿米巴与周围真菌总数（r = 0.327； p = 0.01）和可吸入颗粒物（r = 0.276; p = 0.01）之间存在显着相关性。居住者的病态建筑综合症经历还与通风系统中棘阿米巴的存在（r = 0.361； p = 0.01）和在家具上检测到的相关（r = 0.290； p = 0.01）。 Logistic回归分析表明，在通风系统中检出棘阿米巴虫时，乘员患病建筑综合症的几率是五倍。

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