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Parental alcohol consumption and risk of leukemia in the offspring

a systematic review and meta-analysis

Karalexi, Maria A.a; Dessypris, Nicka; Thomopoulos, Thomas P.a; Ntouvelis, Evangelosa; Kantzanou, Mariaa; Diamantaras, Andreas-Antoniosa,i; Moschovi, Mariac; Baka, Margaritad; Hatzipantelis, Emmanuelf; Kourti, Mariag; Polychronopoulou, Sophiae; Stiakaki, Eftichiah; Mora, Ana-M.j; Wunsch-Filho, Victork; Infante-Rivard, Clairel; Loutradis, Dimitriosb; Petridou, Eleni Th.a

European Journal of Cancer Prevention: September 2017 - Volume 26 - Issue 5 - p 433–441
doi: 10.1097/CEJ.0000000000000350
Review Articles: Lifestyle
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Parental alcohol consumption before and during pregnancy has been linked to adverse outcomes in the offspring including leukemogenesis. We, therefore, aimed to systematically assess and quantitatively synthesize published data on the association of paternal consumption during preconception and maternal consumption during pregnancy with leukemia risk in childhood (0–14 years). Following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, we searched PubMed (until February 2016) and the reference lists of the relevant studies. Observational studies examining the association between parental alcohol consumption and childhood leukemia were considered eligible. Data extracted from 39 case–control studies (over 16 000 leukemia cases and 30 000 controls) were pooled and summary-effect estimates were calculated. Subgroup analyses were carried out by main acute leukemia type [lymphoblastic or myeloid), cytogenetics/genetic polymorphisms, and specific alcohol beverages. We found a statistically significant dose–response association of any level of maternal alcohol consumption compared with nondrinking during pregnancy exclusively with acute myeloid leukemia (AML) [odds ratio (OR)moderate consumption: 1.64, 95% confidence intervals (CIs): 1.23–2.17 and ORhigh consumption: 2.36, 95% CI: 1.60–3.49]. In contrast, no association of paternal preconception consumption with any leukemia type was noted. In beverage-specific analyses, only a positive association of maternal wine drinking with childhood AML was found, which was more pronounced in analyses including only studies on infant leukemia (ORwine: 2.12, 95% CI: 1.16–3.90). The largest ever meta-analysis shows a sizeable, statistically significant dose–response association of maternal alcohol consumption during index pregnancy with AML risk. Future research exploring the role of genetic polymorphisms is anticipated to shed light on the underlying pathophysiology.

aDepartment of Hygiene, Epidemiology and Medical Statistics

bFirst Department of Obstetrics and Gynecology, School of Medicine, University of Athens

cHaematology-Oncology Unit, First Department of Pediatrics, Athens University Medical School, ‘Aghia Sophia’ Children’s Hospital

dDepartment of Pediatric Hematology-Oncology, ‘Pan. & Agl. Kyriakou’ Children’s Hospital

eDepartment of Pediatric Haematology-Oncology, ‘Aghia Sophia’ Children’s Hospital, Athens

f2nd Department of Pediatrics, Aristotelion University of Thessaloniki, AHEPA General Hospital

gDepartment of Pediatric Hematology and Oncology, Hippokration Hospital, Thessaloniki

hDepartment of Pediatric Hematology-Oncology, University Hospital of Heraklion, Heraklion, Greece

iProgram Medical Neurosciences, Charité-Medicine University, Berlin, Germany

jCentral American Institute for Studies on Toxic Substances, National University, Heredia, Costa Rica

kFaculty of Public Health, University of Sao Paulo, Sao Paulo, Brazil

lDepartment of Epidemiology, Biostatistics, and Occupational Health, Faculty of Medicine, McGill University, Montre[Combining Acute Accent]al, Que[Combining Acute Accent]bec, Canada

Correspondence to Eleni Th. Petridou, MD, PhD, Department of Hygiene, Epidemiology and Medical Statistics, Athens University Medical School, 75 Mikras Asias Street, Athens 11527, Greece Tel: +30 210 746 2187; fax: +30 210 746 2105; e-mail: epetrid@med.uoa.gr

Received August 26, 2016

Accepted March 10, 2017

Copyright © 2017 Wolters Kluwer Health, Inc. All rights reserved.