目的探讨凶险性前置胎盘并发胎盘植入的发病率、诊断方法、治疗及预防措施。方法对我院65例凶险性前置胎盘进行回顾性分析，其中并发胎盘植入29例。结果本研究凶险性前置胎盘并发胎盘植入发生率为44.62%（29/65），其产后出血量＞2000mL发生率、弥漫性血管内凝血（DIC）发生率、产褥感染率及子宫切除率高于未并发胎盘植入者；早产率及新生儿预后情况两者无显著差异(P>0.05)。结论凶险性前置胎盘并发胎盘植入者，产后出血量大，易致失血性休克、DIC、产褥感染，增加子宫切除风险；降低剖宫产率，是减少凶险性前置胎盘并发胎盘植入的关键。%Objective To discuss the incidence, diagnostic methods ,treatment methods and prevention of dangerous placenta previa complicated with placenta accreta. Methods Retrospective analysis 65 cases of dangerous placenta previa admitted to our hospital in June 2007-2012, including 29 cases complicated with placenta accreta. Results In the present study the incidence rate of dangerous placenta previa complicated with placenta accreta was 44.62%(29/65). The postpartum incidence and hemorrhage, the incidence of disseminated intravascular coagulation (DIC), puerperal infection rate and the rate of hysterectomy of dangerous placenta praevia complicated with placenta accreta in patients was more than not complicated with placenta accreta in patients. The rate of preterm birth and neonatal prognosis has no signiifcant difference between them (P>0.05). Conclusion Dangerous placenta praevia complicated with placenta accreta in patients have a high incidence of postpartum hemorrhage, prone to cause hemorrhagic shock, DIC, puerperal infection, increase the risk of uterine resection. The key to reduce the dangerous placenta previa complicated with placenta accreta is reducing the rate of cesarean section.
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