A baby boy was delivered at term by emergency caesarean section because of abnormal fetal heart rate patterns during spontaneous labour. The umbilical cord arterial blood obtained at delivery had a pH of 6.97 and a lactate concentration of 12.1 mmol/L. The Apgar scores were 3 and 7, respectively, at 1 and 5 min. The proximal umbilical cord had a thrombotic aspect at delivery (figure 1). A thrombus was also identified in the ductus venosus at 1 hour of life. The boy presented left hemicorporeal seizures at 21 hours of life, which revealed a neonatal arterial ischaemic stroke (NAIS; figure …

中文翻译：

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新生儿动脉缺血性卒中的脐带血栓形成和绒毛膜羊膜炎

由于自然分娩期间胎心率模式异常，一名男婴通过紧急剖腹产足月分娩。分娩时获得的脐带动脉血的 pH 值为 6.97，乳酸浓度为 12.1 mmol/L。在 1 分钟和 5 分钟时，Apgar 评分分别为 3 分和 7 分。分娩时脐带近端有血栓形成（图 1）。出生后 1 小时，在静脉导管中也发现了血栓。这名男孩在出生后 21 小时出现左侧半球癫痫发作，显示为新生儿动脉缺血性中风（NAIS；图……