Background The association of childhood leukemia with traffic pollution was considered in a number of studies from 1989 onwards, with results not entirely consistent and little information regarding subtypes. Aim of the study We used the data of the Italian SETIL case-control on childhood leukemia to explore the risk by leukemia subtypes associated to exposure to vehicular traffic. Methods We included in the analyses 648 cases of childhood leukemia (565 Acute lymphoblastic–ALL and 80 Acute non lymphoblastic-AnLL) and 980 controls. Information on traffic exposure was collected from questionnaire interviews and from the geocoding of house addresses, for all periods of life of the children. Results We observed an increase in risk for AnLL, and at a lower extent for ALL, with indicators of exposure to traffic pollutants. In particular, the risk was associated to the report of closeness of the house to traffic lights and to the passage of trucks (OR: 1.76; 95% CI 1.03–3.01 for ALL and 6.35; 95% CI 2.59–15.6 for AnLL). The association was shown also in the analyses limited to AML and in the stratified analyses and in respect to the house in different period of life. Conclusions Results from the SETIL study provide some support to the association of traffic related exposure and risk for AnLL, but at a lesser extent for ALL. Our conclusion highlights the need for leukemia type specific analyses in future studies. Results support the need of controlling exposure from traffic pollution, even if knowledge is not complete.

Magnani, C., Ranucci, A., Badaloni, C., Cesaroni, G., Ferrante, D., Miligi, L., Mattioli, S., Rondelli, R., Bisanti, L., Zambon, P., Cannizzaro, S., Michelozzi, P., Cocco, P., Celentano, E., Assennato, G., Merlo, D. F., Mosciatti, P., Minelli, L., Cuttini, M., Torregrossa, M. V., Lagorio, S., Haupt, R., Forastiere, F., Farioli, A., Salvan, A., Masera, G., Rizzari, C., Greco Veneto, A., Gafa, L., Luzzatto, L. L., Benvenuti, A., Kirchmayer, U., Galassi, C., Guarino, E., De Nichilo, G., Bocchini, V., Chiavarini, M., Casotto, V., Valenti, R. M., Risica, S., Polichetti, A., Bochicchio, F., Nuccetelli, C., Biddau, P., Arico, M., Desalvo, G. L., Locatelli, F., Pession, A., Varotto, S., Poggi, V., Massaglia, P., Monetti, D., Targhetta, R., Bernini, G., Pannelli, F., Sampietro, G., Schiliro, G., Pulsoni, A., Parodi, S., Road Traffic Pollution and Childhood Leukemia: A Nationwide Case-control Study in Italy, <<ARCHIVES OF MEDICAL RESEARCH>>, 2016; 47 (8): 694-705. [doi:10.1016/j.arcmed.2017.02.001] [https://hdl.handle.net/10807/228581]

Road Traffic Pollution and Childhood Leukemia: A Nationwide Case-control Study in Italy

Locatelli, Franco
Writing – Review & Editing
;
2016

Abstract

Background The association of childhood leukemia with traffic pollution was considered in a number of studies from 1989 onwards, with results not entirely consistent and little information regarding subtypes. Aim of the study We used the data of the Italian SETIL case-control on childhood leukemia to explore the risk by leukemia subtypes associated to exposure to vehicular traffic. Methods We included in the analyses 648 cases of childhood leukemia (565 Acute lymphoblastic–ALL and 80 Acute non lymphoblastic-AnLL) and 980 controls. Information on traffic exposure was collected from questionnaire interviews and from the geocoding of house addresses, for all periods of life of the children. Results We observed an increase in risk for AnLL, and at a lower extent for ALL, with indicators of exposure to traffic pollutants. In particular, the risk was associated to the report of closeness of the house to traffic lights and to the passage of trucks (OR: 1.76; 95% CI 1.03–3.01 for ALL and 6.35; 95% CI 2.59–15.6 for AnLL). The association was shown also in the analyses limited to AML and in the stratified analyses and in respect to the house in different period of life. Conclusions Results from the SETIL study provide some support to the association of traffic related exposure and risk for AnLL, but at a lesser extent for ALL. Our conclusion highlights the need for leukemia type specific analyses in future studies. Results support the need of controlling exposure from traffic pollution, even if knowledge is not complete.
2016
Inglese
Magnani, C., Ranucci, A., Badaloni, C., Cesaroni, G., Ferrante, D., Miligi, L., Mattioli, S., Rondelli, R., Bisanti, L., Zambon, P., Cannizzaro, S., Michelozzi, P., Cocco, P., Celentano, E., Assennato, G., Merlo, D. F., Mosciatti, P., Minelli, L., Cuttini, M., Torregrossa, M. V., Lagorio, S., Haupt, R., Forastiere, F., Farioli, A., Salvan, A., Masera, G., Rizzari, C., Greco Veneto, A., Gafa, L., Luzzatto, L. L., Benvenuti, A., Kirchmayer, U., Galassi, C., Guarino, E., De Nichilo, G., Bocchini, V., Chiavarini, M., Casotto, V., Valenti, R. M., Risica, S., Polichetti, A., Bochicchio, F., Nuccetelli, C., Biddau, P., Arico, M., Desalvo, G. L., Locatelli, F., Pession, A., Varotto, S., Poggi, V., Massaglia, P., Monetti, D., Targhetta, R., Bernini, G., Pannelli, F., Sampietro, G., Schiliro, G., Pulsoni, A., Parodi, S., Road Traffic Pollution and Childhood Leukemia: A Nationwide Case-control Study in Italy, <<ARCHIVES OF MEDICAL RESEARCH>>, 2016; 47 (8): 694-705. [doi:10.1016/j.arcmed.2017.02.001] [https://hdl.handle.net/10807/228581]
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