患者３２岁，妊娠３９周（第二胎）。阴道流血量多，诊断为中央性前置胎盘。在连续硬膜外麻醉下行剖宫产术。手术顺利，娩出一男婴。１分钟内Ａｐｇａｒ评分５分，经抢救后评１０分。术后诊断与术前相符。术后次日，患者腹胀，恶心呕吐，呕吐物为棕色液体。查体见腹膨隆、... Patient 32 years old, 39 weeks of gestation (second child). Vaginal bleeding, diagnosis of central placenta previa. Cesarean section under continuous epidural anesthesia. The operation was successful and a baby boy was delivered. Apgar scored 5 points in 1 minute and scored 10 points after rescuing. Postoperative diagnosis consistent with preoperative. The next day, the patient had bloating, nausea and vomiting, and vomit was brown liquid. Physical examination see abdominal bulging, ...