Stroke:早产儿脑静脉窦血栓形成

2022-04-19 MedSci原创 MedSci原创

在患有CVST的早产儿样本中,超过四分之一的患儿是无症状的。随访时以脑白质损伤为主,一半患儿伴有神经功能缺损。在这个小群体中,CVST早产儿接受抗凝治疗似乎是安全的。

新生儿脑静脉窦血栓形成(CVST)可导致脑损伤和神经发育障碍。以往对新生儿CVST的研究多集中于足月儿,对早产儿的研究相对较少。

近日,心血管疾病领域权威杂志Stroke上发表了一篇研究文章,在这项研究中,研究人员旨在评估早产儿CVST临床和影像学特征,治疗和结局。

这是一项回顾性、连续队列研究,研究对象为胎龄<37周的、经影像学检查证实为患有CVST的早产儿。研究人员回顾了所有磁共振成像/MRV和CT/CTV扫描检查,并分析了脑损伤的血栓特征和类型。在最近的临床随访中,研究人员通过有效的儿科卒中结局指标来评估患者结局。

研究人员共分析了26例患有CVST的早产儿。其中,65%为中度晚期早产儿(32-37周),27%为早期早产儿(28-32周),8%为极早期早产儿(<28周)。大多数(73%)患者表现为癫痫发作或检查结果异常。横窦(85%)和上矢状窦(42%)是血栓形成的常见部位。脑实质损伤主要发生在脑室周围(35%)和深部白质(31%)。脑室出血占46%。大多数(69%)患儿接受了抗凝治疗。接受治疗的婴儿(包括11例治疗前出血)没有出现新的或恶化的治疗后出血。患儿的结局从无损伤(50%)、轻度-中度损伤(25%)和严重损伤(25%)。

由此可见,在患有CVST的早产儿样本中,超过四分之一的患儿是无症状的。随访时以脑白质损伤为主,一半患儿伴有神经功能缺损。在这个小群体中,CVST早产儿接受抗凝治疗似乎是安全的。需要对CVST早产儿进行更大规模的研究。

原始出处:

Rhandi Christensen.et al.Cerebral Venous Sinus Thrombosis in Preterm Infants.stroke.2022.https://www.ahajournals.org/doi/10.1161/STROKEAHA.121.037621

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    2022-09-27 fusion
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