PMID- 36463992 OWN - NLM STAT- MEDLINE DCOM- 20230117 LR - 20230223 IS - 1096-0953 (Electronic) IS - 0013-9351 (Linking) VI - 219 DP - 2023 Feb 15 TI - Association between prenatal metals exposure and blood pressure in 5-6 years children: A birth cohort study. PG - 114974 LID - S0013-9351(22)02301-5 [pii] LID - 10.1016/j.envres.2022.114974 [doi] AB - BACKGROUND: The trajectory of blood pressure (BP) from childhood to early middle age suggested that individuals with elevated BP in early childhood were more likely to be affected by cardiovascular disease in adulthood. Exposure to metals may affect BP in children, and pregnancy is a sensitive time for metal exposure. This study assessed the relationship between different stages of prenatal exposure to metals or metal mixtures and BP in children aged 5-6 years. METHODS: The study included 2535, 2680, 2534 mother-child pairs in three trimesters, from the Ma'anshan birth cohort study (MABC). We collected maternal blood samples during pregnancy and measured the serum levels of four metals (arsenic, selenium, cadmium, and mercury). BP was measured in children aged 5-6 years. A linear regression model and Bayesian kernel machine regression (BKMR) were used to explore associations between prenatal exposure to metals at different stages and multiple metal exposure with BP in children aged 5-6 years. RESULTS: Associations were observed between the arsenic in the third trimester and children's diastolic blood pressure (DBP) (beta = 0.88, 95% CI: 0.44, 1.33), systolic blood pressure (SBP) (beta = 0.72, 95% CI: 0.19, 1.24) and mean arterial pressure (MAP) (beta = 0.83, 95% CI: 0.42, 1.23), as well as between the mercury and children's DBP (beta = 0.65, 95% CI: 0.13, 1.16) and MAP (beta = 0.60, 95% CI: 0.14, 1.07). The BKMR analysis showed that multiple metals had a significant positive joint effect on children's DBP, SBP and MAP. A potential interaction between arsenic and mercury was observed (beta = -0.85, 95% CI: -1.62, -0.08). CONCLUSIONS: Exposure to arsenic and mercury during pregnancy was associated with altered BP in children. The third trimester may represent an important window of opportunity to reduce the effects of metal exposure on children's blood pressure and long-term health. CI - Copyright (c) 2022 Elsevier Inc. All rights reserved. FAU - Ma, Yufan AU - Ma Y AD - Department of Maternal, Child and Adolescent Health, Anhui Medical University, Hefei, Anhui, China; MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, 230032, Anhui, China. FAU - Liang, Chunmei AU - Liang C AD - Department of Maternal, Child and Adolescent Health, Anhui Medical University, Hefei, Anhui, China; MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, 230032, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, No 81 Meishan Road, Hefei, 230032, Anhui, China; Anhui Provincial Key Laboratory of Population Health & Aristogenics, Hefei, Anhui, China. FAU - Wang, Zihan AU - Wang Z AD - Department of Maternal, Child and Adolescent Health, Anhui Medical University, Hefei, Anhui, China; MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, 230032, Anhui, China. FAU - Wang, Xing AU - Wang X AD - Department of Maternal, Child and Adolescent Health, Anhui Medical University, Hefei, Anhui, China; MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, 230032, Anhui, China. FAU - Xie, Liangliang AU - Xie L AD - Ma'anshan Maternal and Child Health Center, No 446 Jiashan Road, Ma'anshan, Anhui Province, China. FAU - Tao, Shuman AU - Tao S AD - MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, 230032, Anhui, China; Anhui Provincial Key Laboratory of Population Health & Aristogenics, Hefei, Anhui, China. FAU - Yan, Shuangqin AU - Yan S AD - Ma'anshan Maternal and Child Health Center, No 446 Jiashan Road, Ma'anshan, Anhui Province, China. FAU - Wu, Xiaoyan AU - Wu X AD - Department of Maternal, Child and Adolescent Health, Anhui Medical University, Hefei, Anhui, China; MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, 230032, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, No 81 Meishan Road, Hefei, 230032, Anhui, China; Anhui Provincial Key Laboratory of Population Health & Aristogenics, Hefei, Anhui, China. FAU - Wei, Zhaolian AU - Wei Z AD - MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, 230032, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, No 81 Meishan Road, Hefei, 230032, Anhui, China. FAU - Tong, Juan AU - Tong J AD - Department of Maternal, Child and Adolescent Health, Anhui Medical University, Hefei, Anhui, China; MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, 230032, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, No 81 Meishan Road, Hefei, 230032, Anhui, China; Anhui Provincial Key Laboratory of Population Health & Aristogenics, Hefei, Anhui, China. FAU - Tao, Xingyong AU - Tao X AD - Department of Maternal, Child and Adolescent Health, Anhui Medical University, Hefei, Anhui, China; MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, 230032, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, No 81 Meishan Road, Hefei, 230032, Anhui, China; Anhui Provincial Key Laboratory of Population Health & Aristogenics, Hefei, Anhui, China. Electronic address: txyayd@126.com. FAU - Tao, Fangbiao AU - Tao F AD - Department of Maternal, Child and Adolescent Health, Anhui Medical University, Hefei, Anhui, China; MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, 230032, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, No 81 Meishan Road, Hefei, 230032, Anhui, China; Anhui Provincial Key Laboratory of Population Health & Aristogenics, Hefei, Anhui, China. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20221201 PL - Netherlands TA - Environ Res JT - Environmental research JID - 0147621 RN - N712M78A8G (Arsenic) RN - 0 (Metals) RN - FXS1BY2PGL (Mercury) SB - IM MH - Pregnancy MH - Female MH - Humans MH - Child, Preschool MH - Cohort Studies MH - Blood Pressure MH - *Arsenic/toxicity MH - *Prenatal Exposure Delayed Effects/chemically induced/epidemiology MH - Bayes Theorem MH - Metals MH - *Mercury OTO - NOTNLM OT - BKMR OT - Blood pressure OT - Child health OT - Metal mixtures COIS- Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. EDAT- 2022/12/05 06:00 MHDA- 2023/01/18 06:00 CRDT- 2022/12/04 19:24 PHST- 2022/10/08 00:00 [received] PHST- 2022/11/20 00:00 [revised] PHST- 2022/11/28 00:00 [accepted] PHST- 2022/12/05 06:00 [pubmed] PHST- 2023/01/18 06:00 [medline] PHST- 2022/12/04 19:24 [entrez] AID - S0013-9351(22)02301-5 [pii] AID - 10.1016/j.envres.2022.114974 [doi] PST - ppublish SO - Environ Res. 2023 Feb 15;219:114974. doi: 10.1016/j.envres.2022.114974. Epub 2022 Dec 1.