摘要
目的：探讨胎儿脑和脐血流预测胎儿生长迟缓的作用。方法：应用双功能多普勒超声检测８４例正常妊娠晚期胎儿和３１例胎儿生长迟缓（ＩＵＧＲ）胎儿脐动脉（ＵＡ）搏动指数（ＰＩ）、大脑中动脉（ＭＣＡ）ＰＩ和ＵＡＰＩ／ＭＣＡＰＩ比值。结果：ＩＵＧＲ胎儿ＭＣＡＰＩ显著小于正常胎儿（Ｐ＜０．０１），ＵＡＰＩ和ＵＡＰＩ／ＭＣＡＰＩ比值明显高于正常胎儿（Ｐ＜０．０１）。以二个标准差作为截止点水平，ＭＣＡＰＩ、ＵＡＰＩ和ＵＡＰＩ／ＭＣＡＰＩ比值预测ＩＵＧＲ的敏感性分别为８０．６４％、７０．９６％和８７．０９％；特异性分别为９４．０５％、８８．９０％和９７．６１％。结论：ＵＡＰＩ和ＭＣＡＰＩ可预测ＩＵＧＲ。
Objective:Toevaluatetheroleoffetalcerebralandumbilicalbloodflowforpredict-ingintrauterinefetalgrowthretardation(IUGR).Methods:Dopplerultrasonographywasusedtostudypulsatilityindexes(PI)ofthefetalmiddlecerebralartery(MCA)andumbilicalartery(UA)in84normallatepregnanciesand31IUGRcases.Results:MCAPIweresignificantlylowerinIUGRfetusesthanthatofnormalfetuses(P<0.01).UAPIandUAPI/MCAPIratiowerehigherinIU-GRgroupthanthatofnormalgroup(P<0.01).ThesensitivitiesofMCAPI,UAPIandUAPI/MCAPIratioforpredictingIUGRwere80.64%,70.96%and87.09%respectivelyatthecutoflevelwith2standarddeviation(SD).Thespecificitieswere94.05%,88.90%and97.61%respec-tively.Conclusions:DopplerultrasonographyforpredictingIUGRwasapracticalandsensitivemethod.
出处
《中华妇产科杂志》
CAS
CSCD
北大核心
1996年第6期345-347,共3页
Chinese Journal of Obstetrics and Gynecology
关键词
脑动脉
脐动脉
胎儿生长迟缓
超声波诊断
Ultrasonography,prenatalCerebralarteriesUmbilicalarteriesFetalgrowthretardation
