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双胎反向动脉灌流(TRAP)又称双胎之一无心畸形,是一种特发单绒毛膜多胎妊娠的畸形。单绒毛膜双胎妊娠中,TRAP的发生率为1/100,是双胎输血综合征(TTTS)的一种特殊类型。TRAP主要表现为双胎中一胎发育相对正常,成为供血儿(或泵血儿);另一胎为受血儿(或无心畸形),是无心脏且伴发其他严重畸形的胎儿。随着双胎TRAP诊断技术的不断提高、双胎发生率的升高以及胎儿镜技术和超声的发展,其治疗也随着发展和提高。本文就现有知识,对TRAP治疗方法的选择和结局做一个综述。
Twin reverse arterial perfusion (TRAP), also known as one of the twins without heart deformity, is a deformity single-chorionic multiple pregnancy pregnancy. In monochorionic twin pregnancies, the incidence of TRAP is 1/100 and is a special type of twin-tailed blood transfusion syndrome (TTTS). The primary manifestation of TRAP is the relatively normal development of one fetus in a twins, becoming a blood donor (or pump blood); the other fetus is a bloodless (or unadjusted) fetus with no heart and associated with other severe deformities. As dual TRAP diagnostic techniques continue to increase, the incidence of twins and the development of fetal mirror technology and ultrasound, its treatment with the development and improvement. This article provides an overview of available knowledge of the options and outcomes of TRAP treatment.