國家衛生研究院 NHRI:Item 3990099045/15056

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Title:	Temporal transition trends of cord blood lead levels in various human development index countries and in the Taipei metropolitan area
Authors:	Hwang, YH;Wu, HC;Shyu, MK;Lee, CN;Lin, SY;Chen, PC;Chuang, HY;Lin, PW;Wu, TH;Chen, YT
Contributors:	National Institute of Environmental Health Sciences
Abstract:	Since low-level lead exposure is still of concern for neonates, it is worth further characterizing the temporal transition trends of cord blood lead levels (CBLLs) globally and locally in Taipei, Taiwan, after the cessation of leaded gasoline use. A literature review on CBLLs around the world was performed by searching three databanks, i.e., PubMed, Google Scholar and Web of Science, with the search keywords "cord blood" combined with "lead" or "Pb" for studies published from 1975 to May 2021. In total, 66 articles were included. Linear regressions for the reciprocal of sample size weighed CBLLs against calendar year presented a high r(2) value (0.722) for the very high Human Development Index (HDI) countries and a moderate r(2) value (0.308) for the combined high and medium HDI countries. The predicted CBLLs in 2030 and 2040 were 6.92 (95% CI: 6.02-7.81) μg/L and 5.85 (95% CI: 5.04-6.66) μg/L, respectively, for the very high HDI countries and 13.10 (95% CI: 7.12-19.09) μg/L and 10.63 (95% CI: 5.37-15.89) μg/L, respectively, for the combined high and medium HDI countries. To characterize the CBLL transitions in the Great Taipei metropolitan area, data from five studies conducted from 1985 to 2018 were employed. Although the results of the early four studies indicated that the Great Taipei metropolitan area did not reach the pace in CBLL reduction among the very high HDI countries, the CBLLs of the latest study during 2016-2018 were pretty low (8.1 ± 4.5 μg/L), approximately 3 years in advance of the very high HDI countries as one group to reach this low CBLL. In conclusion, further effective reduction in environmental lead exposure is challenging and must be based on the efforts from the aspects reflected by the HDI index compositions, i.e., economics, education and health, mostly implying health disparity and inequality.
Date:	2023-09
Relation:	Environmental Pollution. 2023 Sep 1;332:Article number 121900.
Link to:	http://dx.doi.org/10.1016/j.envpol.2023.121900
JIF/Ranking 2023:	http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0269-7491&DestApp=IC2JCR
Cited Times(WOS):	https://www.webofscience.com/wos/woscc/full-record/WOS:001021136000001
Cited Times(Scopus):	https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85161562584
Appears in Collections:	[Pau-Chung Chen] Periodical Articles

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