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| Content Provider | PubMed Central |
|---|---|
| Author | Sharma, Rashmi Deval, Ravi Priyadarshi, Vikash Gaur, Shailendra N. Singh, Ved P. Singh, Anand B. |
| Copyright Year | 2011 |
| Abstract | Allergy to fungi has been linked to a wide range of illnesses, including rhinitis and asthma. Therefore, exposure to fungi in home environment is an important factor for fungal allergy. The present study was aimed to investigate types of airborne fungi inside and outside the homes of asthmatic children and control subjects (nonasthmatic children). The dominant fungi were evaluated for their quantitative distribution and seasonal variation. The air samples were collected from indoors and immediate outdoors of 77 selected homes of children suffering from bronchial asthma/allergic rhinitis using Andersen volumetric air sampler. The isolated fungal genera/species were identified using reference literature, and statistical analysis of the dominant fungi was performed to study the difference in fungal concentration between indoor and immediate outdoor sites as well as in between different seasons. A total of 4423 air samples were collected from two indoor and immediate outdoor sites in a 1-year survey of 77 homes. This resulted in the isolation of an average of 110,091 and 107,070 fungal colonies per metric cube of air from indoor and outdoor sites, respectively. A total of 68 different molds were identified. Different species of Aspergillus, Alternaria, Cladosporium, and Penicillium were found to be the most prevalent fungi in Delhi homes, which constituted 88.6% of the total colonies indoors. Highest concentration was registered in autumn and winter months. Total as well as dominant fungi displayed statistically significant differences among the four seasons (p < 0.001). The largest number of isolations were the species of Aspergillus (>40% to total colony-forming units in indoors as well as outdoors) followed by Cladosporium spp. Annual concentration of Aspergillus spp. was significantly higher (p < 0.05) inside the homes when compared with outdoors. Most of the fungi also occurred at a significantly higher (p < 0.001) rate inside the homes when compared with immediate outdoors. Asthmatic children in Delhi are exposed to a substantial concentration of mold inside their homes as well as immediate outdoor air. The considerable seasonal distributions of fungi provide valuable data for investigation of the role of fungal exposure as a risk for respiratory disorders among patients suffering from allergy or asthma in Delhi. |
| Related Links | http://dx.doi.org/10.2500/ar.2011.2.0005 |
| Ending Page | 32 |
| Page Count | 12 |
| Starting Page | 21 |
| File Format | |
| ISSN | 21526575 |
| e-ISSN | 21526567 |
| Journal | Allergy & Rhinology |
| Issue Number | 1 |
| Volume Number | 2 |
| Language | English |
| Publisher | OceanSide Publications, Inc. |
| Publisher Date | 2011-01-01 |
| Access Restriction | Open |
| Rights Holder | OceanSide Publications, Inc. |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Otorhinolaryngology Immunology and Allergy |
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