Allergens in urban schools and homes of children with asthma

被引:77
作者
Permaul, Perdita [2 ,3 ]
Hoffman, Elaine [4 ]
Fu, Chunxia [5 ]
Sheehan, William [1 ,3 ]
Baxi, Sachin [1 ,3 ]
Gaffin, Jonathan [3 ,6 ]
Lane, Jeffrey [7 ]
Bailey, Ann [5 ]
King, Eva [8 ]
Chapman, Martin [8 ]
Gold, Diane [3 ,5 ]
Phipatanakul, Wanda [1 ,3 ,5 ]
机构
[1] Childrens Hosp, Div Immunol, Dept Med, Boston, MA 02115 USA
[2] Massachusetts Gen Hosp, Dept Pediat, Div Pediat Pulm Allergy & Immunol, Boston, MA 02114 USA
[3] Harvard Univ, Sch Med, Boston, MA USA
[4] Harvard Univ, Sch Publ Hlth, Dept Biostat, Boston, MA 02115 USA
[5] Brigham & Womens Hosp, Channing Lab, Div Resp Epidemiol, Boston, MA 02115 USA
[6] Childrens Hosp, Dept Med, Div Pulm & Resp Dis, Boston, MA 02115 USA
[7] Sch Facil Management, Boston, MA USA
[8] Indoor Biotechnol Inc, Charlottesville, VA USA
关键词
asthma; Can f 1; Fel d 1; indoor allergens; inner city; mouse; Mus m 1; school; SICAS; urban; INNER-CITY CHILDREN; ION-CHARGING DEVICE; MOUSE ALLERGEN; INDOOR ALLERGENS; ENVIRONMENTAL INTERVENTION; AIRBORNE ALLERGENS; DUST-MITE; EXPOSURE; CAT; DESIGN;
D O I
10.1111/j.1399-3038.2012.01327.x
中图分类号
R392 [医学免疫学];
学科分类号
100102 ;
摘要
To cite this article: Permaul P, Hoffman E, Fu C, Sheehan W, Baxi S, Gaffin J, Lane J, Bailey A, King E, Chapman M, Gold D, Phipatanakul W. Allergens in urban schools and homes of children with asthma. Pediatr Allergy Immunol 2012: 23: 543549. Abstract Background: Most studies of indoor allergens have focused on the home environment. However, schools may be an important site of allergen exposure for children with asthma. We compared school allergen exposure to home exposure in a cohort of children with asthma. Correlations between settled dust and airborne allergen levels in classrooms were examined. Methods: Settled dust and airborne samples from 12 inner-city schools were analyzed for indoor allergens using multiplex array technology (MARIA). School samples were linked to students with asthma enrolled in the School Inner-City Asthma Study (SICAS). Settled dust samples from students bedrooms were analyzed similarly. Results: From schools, 229 settled dust and 197 airborne samples were obtained. From homes, 118 settled dust samples were obtained. Linear mixed regression models of log-transformed variables showed significantly higher settled dust levels of mouse, cat and dog allergens in schools than homes (545% higher for Mus m 1, estimated absolute difference 0.55 mu g/g, p < 0.0001; 198% higher for Fel d 1, estimated absolute difference 0.13 mu g/g, p = 0.0033; and 144% higher for Can f 1, estimated absolute difference 0.05 mu g/g, p = 0.0008). Airborne and settled dust Mus m 1 levels in classrooms were moderately correlated (r = 0.48; p < 0.0001). There were undetectable to very low levels of cockroach and dust mite allergens in both homes and schools. Conclusion: Mouse allergen levels in schools were substantial. In general, cat and dog allergen levels were low, but detectable, and were higher in schools. Aerosolization of mouse allergen in classrooms may be a significant exposure for students. Further studies are needed to evaluate the effect of indoor allergen exposure in schools on asthma morbidity in students with asthma.
引用
收藏
页码:543 / 549
页数:7
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