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目的:探讨前置胎盘合并胎盘植入的产前超声意义。方法:收集2010年1月-2015年12月我院住院并均经产后证实的患者,产前经腹彩超检查诊断为前置胎盘合并胎盘植入者,定义为研究组。仅诊断前置胎盘者定义为对照组。对比(1)研究组和对照组孕妇产前超声检查情况。(2)研究组和对照组年龄、既往宫腔操作次数。(3)研究组和对照组胎盘前置分布位置对比。结果:(1)研究组中产前胎盘植入检出率为 90%(18/20), 漏诊率为10%(2/10);对照组胎盘植入检出率为 95%(19/20), 漏诊率为5%(1/20),结果比较无差异(P>0.05)。(2)研究组和对照组年龄、既往宫腔操作次数分别为(38.4±6.9岁、3.6±1.5次)、(27.8±9.6岁、1.3±0.4次),结果比较有差异(P<0.05)。(3)研究组和对照组胎盘前置分布位置(前壁,侧壁,后壁)结果比较无差异(P>0.05)。结论:本次研究认为产前超声对前置胎盘合并胎盘植入有较好的检出率,前置胎盘合并胎盘植入的高危因素与高龄、既往宫腔操作次数增多有关。
Objective: To investigate the significance of prenatal ultrasound in placenta accreta placenta previa. Methods: Patients who were hospitalized and confirmed by postnatal period from January 2010 to December 2015 were collected. Prenatal diagnosis of placenta accreta by placenta accreta was defined as study group. Only the diagnosis of placenta previa were defined as the control group. Comparison (1) pregnant women in study group and control group prenatal ultrasound examination. (2) Study group and control group, the number of previous uterine operations. (3) The study group and control group placenta prepositive position comparison. Results: (1) The detection rate of prenatal placenta accreta was 90% (18/20) and the rate of misdiagnosis was 10% (2/10) in the study group. The detection rate of placenta accreta was 95% (19 / 20). The rate of misdiagnosis was 5% (1/20). There was no difference between the two groups (P> 0.05). (2) The age of the study group and the control group were (38.4 ± 6.9 years, 3.6 ± 1.5 times), (27.8 ± 9.6 years, 1.3 ± 0.4 times) respectively. The results were significantly different (P <0.05) . (3) The pre-placental location (anterior wall, lateral wall and posterior wall) of study group and control group showed no significant difference (P> 0.05). Conclusion: This study suggests that prenatal ultrasound on the placenta accreta placenta previa with a good detection rate, placenta accreta placenta preadiptation risk factors and the elderly, the previous increase in the number of intrauterine operations.