本文選題：胎盤 + 前置　； 參考：《中國醫(yī)學(xué)影像技術(shù)》2017年01期

【摘要】：目的探討MRI評估非植入型兇險性前置胎盤發(fā)生嚴(yán)重產(chǎn)后出血的價值。方法收集114例非植入型兇險性前置胎盤患者的臨床和MRI資料,分析MRI征象與嚴(yán)重產(chǎn)后出血的關(guān)系。結(jié)果單因素分析顯示剖宮產(chǎn)次數(shù)≥2次、子宮局限性隆突、子宮下段及宮頸富血供、胎盤T2WI條狀低信號、胎盤信號不均、子宮肌層變薄均易發(fā)生嚴(yán)重產(chǎn)后出血,差異有統(tǒng)計學(xué)差異(P均0.05)。多變量分析示剖宮產(chǎn)次數(shù)≥2次(X_1)、子宮局限性隆突(X_2)、胎盤T2WI條狀低信號(X_3)、胎盤信號不均(X_4)、子宮下段及宮頸富血供(X_5)發(fā)生嚴(yán)重產(chǎn)后出血的風(fēng)險較大,OR值分別為8.10,10.86,3.09、2.41,7.89(P均0.05)。5個危險因素建立的Logistic模型為Logistic(P)=-4.75+2.09X_1+2.39X_2+1.13X_3+0.88X_4+2.07X_5,該模型預(yù)測是否發(fā)生嚴(yán)重產(chǎn)后出血的準(zhǔn)確率為89.21%。結(jié)論 MRI可預(yù)測非植入型兇險性前置胎盤發(fā)生嚴(yán)重產(chǎn)后出血的可能性。剖宮產(chǎn)次數(shù)≥2次、子宮局限性隆突、胎盤T2WI條狀低信號、胎盤信號不均勻、子宮下段及宮頸富血供對預(yù)測是否發(fā)生嚴(yán)重產(chǎn)后出血的價值較大。
[Abstract]:Objective to evaluate the value of MRI in the evaluation of severe postpartum hemorrhage of non-accreta placenta previa. Methods the clinical and MRI data of 114 cases of non-accreta dangerous placenta previa were collected and the relationship between MRI signs and severe postpartum hemorrhage was analyzed. Results univariate analysis showed that the frequency of cesarean section was more than 2 times, the local protuberance of uterus, the blood supply in the lower segment of uterus and cervix, the low signal intensity of placental T2WI strip, the uneven signal of placenta, and the thinning of myometrium of uterus were all prone to severe postpartum hemorrhage. The difference was statistically significant (P < 0.05). Multivariate analysis showed that the frequency of cesarean section 鈮，

本文編號：1786320