Cho Moon Kyoung, Ryu Hyun Kyung, Kim Chul Hong
Department of Obstetrics and Gynecology, Chonnam National University Medical School, Gwangju, Korea.
J Emerg Med. 2017 Jul;53(1):126-129. doi: 10.1016/j.jemermed.2017.01.041. Epub 2017 Feb 28.
Placenta percreta is the most severe form of abnormal placental attachment. Spontaneous uterine rupture due to placenta percreta is extremely rare and difficult to diagnose in the first trimester. Most prior cases were associated with some risk factor for placenta percreta. We report a case of placenta percreta-induced spontaneous uterine rupture at the 7th week of pregnancy after in vitro fertilization in a primigravida woman who was not otherwise at risk of placenta percreta.
A 34-year-old, primigravida woman at the 7th week of pregnancy presented with sudden severe abdominal pain. The patient was impregnated by frozen embryo transfer. The patient's antenatal course was unremarkable and she had no risk factor for placenta percreta. An emergency laparotomy was performed to diagnose the cause of hemoperitoneum and the operative findings included a hemoperitoneum of 2000 mL and a fundal uterine defect of 3 × 2 cm with placental tissue penetrating through the uterine serosa. Histopathologic examination confirmed the diagnosis of placenta percreta. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Placenta percreta is associated with serious morbidity and mortality during pregnancy, but it is quite rare and difficult to diagnosis in the first trimester. Emergency physicians should suspect uterine rupture due to placenta percreta in pregnant women with abdominal pain even in their first trimester of pregnancy and without risk factors of placenta percreta, especially in in vitro fertilization pregnancies.
穿透性胎盘植入是胎盘异常附着的最严重形式。穿透性胎盘植入导致的自发性子宫破裂极为罕见,且在孕早期难以诊断。大多数既往病例都伴有穿透性胎盘植入的一些危险因素。我们报告一例初产妇在体外受精后妊娠第7周时因穿透性胎盘植入导致自发性子宫破裂的病例,该孕妇无其他穿透性胎盘植入的危险因素。
一名34岁初产妇,妊娠第7周,因突发剧烈腹痛就诊。患者通过冷冻胚胎移植受孕。患者产前过程无异常,无穿透性胎盘植入的危险因素。行急诊剖腹探查以诊断腹腔积血的原因,手术发现腹腔积血2000毫升,子宫底部有一个3×2厘米的缺损,胎盘组织穿透子宫浆膜。组织病理学检查确诊为穿透性胎盘植入。
急诊医生为何应了解此事?:穿透性胎盘植入在孕期与严重的发病率和死亡率相关,但极为罕见,且在孕早期难以诊断。即使在孕早期且无穿透性胎盘植入危险因素的孕妇中,急诊医生也应怀疑因穿透性胎盘植入导致的子宫破裂,尤其是在体外受精妊娠中。