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目的探讨单纯单脐动脉(SUA)与小于胎龄儿(SGA)的关系。方法计算机检索1998～2012年Pubmed、ELSEVIER数据库、中国知识资源总库(CNKI)、万方数据资源系统、维普中文科技期刊全文数据库(VIP)和文献追溯的方法,收集国内外公开发表的有关单纯单脐动脉与小于胎龄儿关系的病例对照研究相关文献。应用RevMan4.2软件进行Meta分析。结果将8个研究结果加权合并,累计单纯单脐动脉病例1437例,其中小于胎龄儿268例,占18.6%;累计对照229 704例,其中小于胎龄儿21 682例,占9.4%;合并OR=2.13(95%CI:1.47～3.07)。结论单纯单脐动脉与小于胎龄儿发生有显著关联。
Objective To investigate the relationship between simple umbilical artery (SUA) and small gestational age (SGA). Methods The Pubmed, ELSEVIER database, CNKI, Wanfang data source system, VIP database and literature retrospective methods from 1998 to 2012 were searched by computer, A case-control study of the relationship between single umbilical artery and small gestational age children. RevMan4.2 software for meta-analysis. Results A total of 1437 cases of simple unilateral umbilical artery were accumulatively weighted in 8 studies. Among them, 268 cases were less than gestational age, accounting for 18.6%; a total of 229 704 cases were included, of which 21 682 were younger than gestational age, accounting for 9.4%. OR = 2.13 (95% CI: 1.47-3.07). Conclusions There is a significant correlation between simple umbilical artery and small gestational age.