K. Francois, Staci Mayer, Cathleen Harris, J. Perlow
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引用次数: 66
摘要
目的探讨分娩时前置血管是否与妊娠中期前置胎盘相关。研究设计:对1991年1月1日至2001年5月1日在好撒玛利亚地区医疗中心的所有前置血管病例进行回顾性、病例对照研究。病例由ICD-9编码确定，并通过图表复核予以确认。根据分娩时胎盘的正常情况、中期胎盘位置的超声记录、产妇胎次和分娩时的胎龄，每个病例与对照组按1:4的比例进行匹配。结果研究期间共发现13例前置血管。妊娠中期超声检查显示，9例(9/13,69.2%)产前前置血管存在妊娠中期前置胎盘，而对照组2例(2/ 52,3.8%)存在妊娠中期前置胎盘(P < 0.000001, OR = 56.3, 95% CI = 8.9-354.1)。结论分娩时前置血管与妊娠中期前置胎盘有高度相关性。
Association of vasa previa at delivery with a history of second-trimester placenta previa.
OBJECTIVE
To evaluate whether vasa previa at delivery is associated with a history of second-trimester placenta previa.
STUDY DESIGN
Retrospective, case-control study of all vasa previa cases at Good Samaritan Regional Medical Center from January 1, 1991, to May 1, 2001. Cases were identified by ICD-9 codes and confirmed by chart review. Each case was matched in a 1:4 ratio with controls based upon normal placentation at delivery, ultrasound documentation of midtrimester placental location, maternal parity and gestational age at delivery.
RESULTS
During the study period, 13 cases of vasa previa were identified. Nine cases (9/13, 69.2%) of vasa previa at delivery had a second-trimester placenta previa as documented by midtrimester ultrasonography, whereas 2 controls (2/52, 3.8%) had a second-trimester placenta previa (P < .000001, OR = 56.3, 95% CI = 8.9-354.1).
CONCLUSION
There is a highly significant association between vasa previa at delivery and a history of second-trimester placenta previa.
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