本文選題：彩色多普勒超聲　切入點：臍帶繞頸　出處：《廣西醫(yī)科大學(xué)》2014年碩士論文

【摘要】：目的通過彩色多普勒超聲對中晚孕期胎兒臍帶繞頸的動態(tài)監(jiān)測,了解臍帶繞頸在孕期中的自然變化。 方法收集2009年1月～2012年10月整個孕期在我院完成規(guī)定的超聲檢查并在我院住院分娩的孕婦,單胎8016胎,雙胎183例366胎,并將單胎分為臍帶繞頸組及無臍帶繞頸組。利用超聲工作站詳細(xì)完整記錄整個孕期超聲檢查次數(shù)、胎兒有無臍帶繞頸及其變化情況,并將數(shù)據(jù)導(dǎo)出建立數(shù)據(jù)庫進(jìn)行分析。 結(jié)果(1)單胎超聲檢查臍帶繞頸發(fā)生率為63.51%,分娩時臍帶繞頸發(fā)生率32.12%；雙胎超聲檢查臍帶繞頸發(fā)生率為18.85%。雙胎的臍帶繞頸發(fā)生率低于單胎(P0.05)。(2)孕期持續(xù)臍帶繞頸和孕期多變化臍帶繞頸與分娩時相比,前者變化率較低(P0.05)。(3)臍帶繞頸組和無繞頸組的臍動脈血流S/D比值、RI值相比差異沒有統(tǒng)計學(xué)意義(P0.05)。(4)臍帶繞頸組的臍帶長度比無繞頸組長(P0.05),臍帶繞頸與臍帶長度呈正相關(guān)(P0.05)。(5)臍帶繞頸組比無繞頸組的羊水量相對較多(P0.05),臍帶繞頸與羊水量呈正相關(guān)(P0.05)。(6)臍帶繞頸組與無繞頸組相比圍產(chǎn)兒預(yù)后差異無統(tǒng)計學(xué)意義(P0.05),但是臍帶繞頸組的剖宮產(chǎn)率比無繞頸組高(P0.05) 結(jié)論(1)本研究通過大樣本的深入研究,認(rèn)為臍帶繞頸的發(fā)生不可預(yù)見,整體來看臍帶繞頸多集中在中晚孕期。部分胎兒臍帶繞頸可自行宮內(nèi)復(fù)位。(2)孕期持續(xù)臍帶繞頸和孕期多變化臍帶繞頸與分娩時相比,前者變化率較低。(3)臍帶繞頸的發(fā)生與臍帶長度、羊水量有一定的相關(guān)性。
[Abstract]:Objective to investigate the natural changes of umbilical cord around neck during pregnancy by color Doppler ultrasound (CDFI). Methods from January 2009 to October 2012, pregnant women who completed the prescribed ultrasound examination in our hospital and delivered in our hospital during the whole pregnancy from January 2009 to October 2012 were collected. The single pregnancy was 8016, and the twin pregnancy was 8016. The single fetus was divided into umbilical cord around neck group and no umbilical cord around neck group. Ultrasonic workstation was used to record the times of ultrasound examination in the whole pregnancy, the fetal umbilical cord around neck and its changes, and the data were exported to establish a database for analysis. Results (1) the incidence of umbilical cord around neck was 63.51in single fetus, 32.12 in parturition, 18.85 in twinning ultrasound. The incidence of umbilical cord around neck in twin pregnancy was lower than that in single fetus (P0.05. 2) the rate of continuous umbilical cord around neck and pregnancy during pregnancy was lower than that in single fetus. Compared with parturition, the umbilical cord around the neck of multiple phase changes, The change rate of the former was lower than that of the control group (P0.05. 3) there was no significant difference in the S- D ratio of umbilical artery blood flow between the cord around neck group and the non-circumscribed neck group. There was no significant difference in the length of umbilical cord between the two groups (P0.05. 0. 05) the length of umbilical cord around the neck group was higher than that in the non-circumscribed neck group (P 0. 05%), and the length of umbilical cord around neck and umbilical cord length was positively correlated with the length of umbilical cord. The amniotic fluid volume in the cord around neck group was higher than that in the non-wound neck group, and there was a positive correlation between the amniotic fluid volume and the umbilical cord around neck group. (P0.05) there was no significant difference in the prognosis of perinatal infants between the cord around neck group and the non-wound neck group, but there was no significant difference between the umbilical cord around the neck group and the amniotic fluid volume in the umbilical cord around neck group (P0.05), but there was no significant difference between the umbilical cord around neck group and the non-wound neck group in the prognosis of perinatal infants. The yield was higher than that without neck winding (P0.05). Conclusion 1) in this study, it is considered that the occurrence of umbilical cord around the neck is unpredictable through a large sample of in-depth studies. On the whole, most of the umbilical cord around neck is concentrated in the middle and late pregnancy. Some fetal umbilical cord around neck can be reduced by itself. 2) continuous umbilical cord around neck during pregnancy and changes in umbilical cord around neck during pregnancy are compared with those in parturition. The change rate of the former was lower. 3) the occurrence of umbilical cord around the neck was correlated with the length of umbilical cord and amniotic fluid.
【學(xué)位授予單位】：廣西醫(yī)科大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：R445.1;R714.5

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