The Association of Fetal Congenital Cardiac Defects and Placental Vascular Malperfusion
Pediatric and developmental pathology(2021)
摘要
Objectives Abnormal early angiogenesis appears to impact both placental disorders and fetal congenital heart defects (CHD). We sought to assess the association of placental perfusion defects (PPD) and fetal (CHD). Methods Singleton pregnancies with isolated severe fetal CHD were compared to controls without congenital anomalies or maternal malperfusion (MVM) risk factors. CHD was categorized into group 1: single left ventricle morphology and transposition of the great vessels (TGA) and group 2: single right ventricle and two ventricle morphology. Malperfusion was defined as fetal vascular malperfusion (FVM), MVM, and both FVM and MVM. Results PPD was increased for all CHD (n = 47), CHD with or without risk factors, and CHD groups compared to controls (n = 92). Overall CHD cases and CHD with risk factors had an increased risk of FVM (30% and 80% vs 14%), and MVM (43% and 50% vs 21%), respectively. MVM rates were similar in CHD with and without maternal risk factors. FVM (38% vs 14%) and MVM (44% vs 21%) were increased in Group 1. MVM (42% vs 21%) and both FVM and MVM (16% vs 3%) were increased in Group 2. Conclusions PPD risk is increased in severe isolated fetal CHD. The highest risk is seen in fetal CHD with maternal risk factors.
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关键词
fetal congenital heart defects,placental malperfusion,placental vasculogenesis
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