中华预防医学杂志
中華預防醫學雜誌
중화예방의학잡지
CHINESE JOURNAL OF
2014年
6期
521-526
,共6页
空气污染%生殖%文献计量学%热点主题
空氣汙染%生殖%文獻計量學%熱點主題
공기오염%생식%문헌계량학%열점주제
Air pollution%Reproduction%Bibliometrics%Popular themes
目的 采用文献计量学方法,分析大气污染与生殖发育关系领域的主要研究特点和热点研究主题.方法 对1955-2013的PubMed及MEDLINE数据库中有关大气污染与生殖发育关系领域的英文研究论文的题录信息和其医学主题词(MeSH词)进行计量分析,计算标化词频.通过采用词频标准化和线性回归方法,对高频MeSH词分类分析得出该领域在大气污染物及成分、生殖发育健康终点和生物机制三方面的热点研究主题.结果 大气污染与生殖发育关系研究论文共2 315篇,52.9%(1 224篇)的研究时间为2004-2013年;人群研究占84.1%(1 947篇),其中队列研究占10.9%(212篇);美国学者发表论文占28.0%(647篇),我国仅占2.3%(53篇).大气污染物及成分研究方面,烟草污染、粉尘、一氧化碳和重金属主题词平均标化频次分别为46.96%、15.92%、5.03%和7.84%;生殖发育健康终点研究方面,流产、妊娠期暴露滞后效应和妊娠并发症主题词平均标化频次分别为4.36%、12.17%和6.01%;生物机制研究方面,母婴交换和DNA损伤主题词的平均标化频次分别为6.58%、1.31%.结论 大气污染物及成分研究的热点主题集中于烟草污染、粉尘、一氧化碳和重金属等方面;生殖发育健康终点研究的热点主题集中在流产、妊娠期暴露滞后效应和妊娠并发症方面;生物机制研究的热点主题集中在母婴交换和DNA损伤等方面.
目的 採用文獻計量學方法,分析大氣汙染與生殖髮育關繫領域的主要研究特點和熱點研究主題.方法 對1955-2013的PubMed及MEDLINE數據庫中有關大氣汙染與生殖髮育關繫領域的英文研究論文的題錄信息和其醫學主題詞(MeSH詞)進行計量分析,計算標化詞頻.通過採用詞頻標準化和線性迴歸方法,對高頻MeSH詞分類分析得齣該領域在大氣汙染物及成分、生殖髮育健康終點和生物機製三方麵的熱點研究主題.結果 大氣汙染與生殖髮育關繫研究論文共2 315篇,52.9%(1 224篇)的研究時間為2004-2013年;人群研究佔84.1%(1 947篇),其中隊列研究佔10.9%(212篇);美國學者髮錶論文佔28.0%(647篇),我國僅佔2.3%(53篇).大氣汙染物及成分研究方麵,煙草汙染、粉塵、一氧化碳和重金屬主題詞平均標化頻次分彆為46.96%、15.92%、5.03%和7.84%;生殖髮育健康終點研究方麵,流產、妊娠期暴露滯後效應和妊娠併髮癥主題詞平均標化頻次分彆為4.36%、12.17%和6.01%;生物機製研究方麵,母嬰交換和DNA損傷主題詞的平均標化頻次分彆為6.58%、1.31%.結論 大氣汙染物及成分研究的熱點主題集中于煙草汙染、粉塵、一氧化碳和重金屬等方麵;生殖髮育健康終點研究的熱點主題集中在流產、妊娠期暴露滯後效應和妊娠併髮癥方麵;生物機製研究的熱點主題集中在母嬰交換和DNA損傷等方麵.
목적 채용문헌계량학방법,분석대기오염여생식발육관계영역적주요연구특점화열점연구주제.방법 대1955-2013적PubMed급MEDLINE수거고중유관대기오염여생식발육관계영역적영문연구논문적제록신식화기의학주제사(MeSH사)진행계량분석,계산표화사빈.통과채용사빈표준화화선성회귀방법,대고빈MeSH사분류분석득출해영역재대기오염물급성분、생식발육건강종점화생물궤제삼방면적열점연구주제.결과 대기오염여생식발육관계연구논문공2 315편,52.9%(1 224편)적연구시간위2004-2013년;인군연구점84.1%(1 947편),기중대렬연구점10.9%(212편);미국학자발표논문점28.0%(647편),아국부점2.3%(53편).대기오염물급성분연구방면,연초오염、분진、일양화탄화중금속주제사평균표화빈차분별위46.96%、15.92%、5.03%화7.84%;생식발육건강종점연구방면,유산、임신기폭로체후효응화임신병발증주제사평균표화빈차분별위4.36%、12.17%화6.01%;생물궤제연구방면,모영교환화DNA손상주제사적평균표화빈차분별위6.58%、1.31%.결론 대기오염물급성분연구적열점주제집중우연초오염、분진、일양화탄화중금속등방면;생식발육건강종점연구적열점주제집중재유산、임신기폭로체후효응화임신병발증방면;생물궤제연구적열점주제집중재모영교환화DNA손상등방면.
Objective This study aims to evaluate the characteristics and the popular themes in the field of air pollution and reproductive and developmental health with the bibliometric approach.Method The articles from the year 1955 to 2013 in this field were retrieved by searching PubMed/MEDLINE using MeSH terms.The bibliographic information was analyzed to summarize the overall research characteristics.MeSH terms were sorted by their normalized frequency (NF) and classified into categories (air pollutants/ components,reproductive and developmental outcomes and biological mechanisms) and then analyzed by regressive analysis to investigate the popular themes and their tendency.Results All 2 315 papers are retrieved in this field,and 52.9% of the papers are published from the year 2004 to 2013.The 84.1% of the studies are conducted on the population,in which 10.9% are cohort studies.The researchers from USA conduct 28.0% of the studies.Only 2.3% of the studies are conducted by researchers from China.In the category of air pollutants/components,the high NF of MeSH terms,tobacco smoke pollutants,dust,carbon monoxide and heavy metals are 46.96%,15.92%,5.03% and 7.84% respectively.In the category of reproductive and developmental outcomes,the high NF of abortion,prenatal exposure delayed effects and pregnancy complications are 4.36%,12.17% and 6.01%.In the category of biological mechanisms,the high NF of maternal-fetal exchange and DNA damage are 6.58% and 1.31%.Conclusion Tobacco smoke pollutants,dust,carbon monoxide and heavy metals are the major concerns of air pollutants/components.Reproductive and developmental outcomes mainly focus on the abortion,prenatal exposure delayed effects and pregnancy complications.Maternal-fetal exchange and DNA damage are mostly concerned as the biological mechanisms.