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Environmental risk factors for pediatric acute leukemia: Methodology and early findings
Pardis Nematollahi1, Sina Arabi2, Marjan Mansourian3, Saeed Yousefian4, Alireza Moafi4, Sayed Nassereddin Mostafavi4, Amirmansour Alavi Naeini5, Afshin Ebrahimi6, Karim Ebrahimpour6, Mohammad Mehdi Amin6, Aryan kavosh7, Niayesh Radfar7, Azar Naimi1, Roya Kelishadi4
1 Department of Pathology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
2 Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
3 Department of Epidemiology and Biostatistics, School of Health, Isfahan university of medical sciences, Isfahan, Iran
4 Department of pediatrics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
5 Department of Community Nutrition, School of Nutrition and Food Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
6 Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
7 Department of Internal Medicine, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
Correspondence Address:
Pardis Nematollahi
Hematopathologist, Department of Pathology, School of Medicine, Isfahan University of Medical Sciences, Isfahan
Iran
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/ijpvm.ijpvm_348_22
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Background: Acute leukemia is the most common type of malignancy in children, and no major environmental risk factors have been identified relating to its pathogenesis. This study has been conducted with the aim for identifying risk factors associated with this disease. Methods: This study was conducted in 2016–2020 among children aged <15 years residing in Isfahan Province, Iran. Children with newly diagnosed Acute lymphoblastic leukemia, including Acute myeloid leukemia (ALL and AML) were considered a case group. The control group was selected among children hospitalized in orthopedic and surgery wards in the same region. Demographic data, parental occupational exposures and educational level, maternal obstetric history, type of feeding during infancy and parental smoking habits, exposure to pesticides, and hydrocarbons besides dietary habits (using a food frequency questionnaire) were evaluated. Results: Overall, 497 children (195 cases and 302 controls) completed the survey. In the initial analysis, there was no significant difference between case and control groups about type of milk feeding (P = 0.34) or parental age (P = 0.56); however, an association between mothers' education and increased risk for ALL was observed (P = 0.02). Conclusions: The results of this study can be helpful in better understanding the environmental risk factors involved in the incidence of acute leukemia. Future publications based on the analysis of the database created in the present study can lead to recognizing these factors. In addition, evaluating the effect of these factors on treatment outcomes is an important step in reducing the burden of the disease.
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