孕期环境化学物质暴露与后代健康结局的文献计量学及可视化分析

    Prenatal environmental chemical exposure and offspring health outcomes: a bibliometric and visual analysis

    • 摘要:
      目的 分析孕期环境化学物质暴露对后代健康影响的科学文献, 揭示该领域的研究趋势、研究热点和知识结构, 并识别未来研究的潜在方向, 以期为科学研究和临床实践提供有力支持。
      方法 利用Web of Science Core Collection (WOSCC)核心数据库收集相关文献, 使用CiteSpace软件和Bibliometrix R软件包对发文量、国家与机构合作、作者和关键词等进行可视化分析。
      结果 共检出3 191篇相关文献, 显示1994—2024年间发文量呈指数增长趋势。美国在该领域的研究贡献显著, 加州大学系统和哈佛大学为发文量前二的机构。关键词聚类分析揭示了工业原料、空气污染、发育毒性、神经发育和致病机制五个研究热点领域。关键词爆发分析显示研究趋势正从单一化学物质风险评估转向化学混合物联合效应评估, 以及对特定化学物质如全氟化合物、对羟基苯甲酸酯的研究热点。代谢组学、儿童神经发育和环境暴露的综合评估正在成为新兴的研究前沿。
      结论 孕期环境化学物质暴露对后代健康有显著影响, 特别是在神经发育、生长代谢和生殖健康方面。未来研究需加强多学科交叉合作, 进一步探讨多物质联合暴露、个体易感性和表观遗传机制, 关注化学物质暴露的时空特征和剂量-反应关系。此外, 应加强环境管理和公共卫生干预策略的研究, 以减轻环境化学物质对后代健康的负面影响。

       

      Abstract:
      Objective To comprehensively analyze scientific literature on the impact of prenatal environmental chemical exposure on offspring health for an understanding of the research trends, hotspots, and knowledge structures as well as potential directions in this field, and to provide robust support for scientific research and clinical practice.
      Methods Relevant literature was collected from the Web of Science Core Collection for visual analyses of publication volume, country and institution collaboration, authors, and keywords using CiteSpace software and the Bibliometrix R package.
      Results A total of 3 191 relevant articles were identified, showing an exponential growth trend in publication volume from 1994 to 2024. The United States has made significant contributions in the field, with the University of California system and Harvard University being the top two institutions in terms of publication volume. The keyword clustering analysis revealed five key research areas: industrial materials, air pollution, developmental toxicity, neurodevelopment, and pathogenic mechanisms. The keyword burst analysis indicated a shifting research trend from single-chemical risk assessment to chemical mixture risk assessment, with a focus on specific chemicals such as perfluorinated compounds and parabens. Metabolomics, pediatric neurodevelopment, and integrated assessment of environmental exposure are emerging as new research frontiers.
      Conclusion Prenatal environmental chemical exposure significantly impacts offspring health, particularly in neurodevelopment, growth and metabolism, and reproductive health. Future research should strengthen interdisciplinary collaboration to explore combined exposure to multiple substances, individual susceptibility, and epigenetic mechanisms, and focus on the spatiotemporal characteristics and dose-response relationships of chemical exposure. Additionally, research on environmental management and public health intervention strategies should be enhanced to mitigate the negative impact of environmental pollution on offspring health.

       

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