危重孕产妇的抢救成功率直接影响到母婴安全,而危重孕产妇发现、转诊、抢救的不及时是造成孕产妇死亡的重要原因。来自瑞典和美国的研究都证实预防和正确处理产科急危重症及其并发症是降低孕产妇死亡的主要措施〔1,2〕,畅通危重孕产妇抢救通道、加强统一指挥是控制孕产妇死亡的关键 Critical success rate of maternal rescue directly affects maternal and child safety, but the critical maternal pregnancy, referral and rescue are not timely causes of maternal mortality. Studies from Sweden and the United States have confirmed that the prevention and correct treatment of critically ill obstetric obstetric and complications of maternal mortality is the main measure to reduce maternal mortality [1,2], unimpeded access to critical care maternal rescue and strengthen unified command is to control maternal mortality The essential