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作者报导了自1969年至1981年收集到的194例单一脐动脉的观察结果。这些临床结果证实了文献中所报导的,有早产发生率增高(34.2％),胎儿营养不良(26％),围产期死亡,合并畸形(22％)。对99例胎盘进行病理解剖,与200例胎盘对照组作了比较。从中显示出一些统计学上有意义的资料:胎盘肥大(30.5％),绒毛膜下血栓形成(25.2％),脐带附着点异常:边缘附着(29.7％)和帆状胎盘(7.7％)。根据上述结果作者们讨论了文献中的各种病原学假说。
The authors report the results of 194 single umbilical arteries collected from 1969 to 1981. These clinical findings confirm the literature reported increases in preterm birth (34.2%), fetal malnutrition (26%), perinatal deaths, combined deformities (22%). 99 cases of placenta pathological anatomy, compared with 200 cases of placenta control group were compared. Some statistically significant data were shown: placental hypertrophy (30.5%), sub-chorionic thrombosis (25.2%), umbilical cord attachment abnormalities: marginal attachment (29.7%) and sail placenta (7.7%). Based on the above results, the authors discussed various etiological hypotheses in the literature.