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Double-layer appearance after evacuation of a chronic subdural hematoma

机译:慢性硬膜下血肿清除后的双层外观

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Objective. To investigate the reason for and the course of the double-layer appearance in the postoperative computed tomographies (CTs) of chronic subdural hematoma (CSDHs). Methods. We reviewed CSDH cases that were operated on during the last 3 years, between January 2008 and December 2010. We checked the preoperative, early postoperative, and late postoperative CTs of these patients. We investigated the relationship between the formation of a double-layer appearance and the prognoses and demographic characteristics of the patients. Results. Our database included 119 cases. A double-layer appearance was found in the postoperative CTs of 34 cases. The mean age of double-layer cases was older (72.5 ± 12.1) than that of the remaining 85 cases (63.1 ± 17.8). We did not find any relationship between the double-layer appearance and the reoperation/recurrence/death rates. Conclusions. The double-layer appearance after evacuation of a CSDH might be caused by enlargement of the subarachnoid space and is not related to the presence of any residual hematoma. This appearance is not considered as a reason for reoperation.
机译:目的。目的探讨慢性硬膜下血肿(CSDH)的术后计算机断层扫描(CT)中双层外观的原因和病程。方法。我们回顾了在过去3年(2008年1月至2010年12月)进行手术的CSDH病例。我们检查了这些患者的术前,术后早期和术后晚期CT。我们调查了双层外观的形成与患者的预后和人口统计学特征之间的关系。结果。我们的数据库包括119个案例。 34例术后CT均出现双层外观。双层病例的平均年龄比其余的85例(63.1±17.8)年龄大(72.5±12.1)。我们没有发现双层外观与再手术/复发/死亡率之间的任何关系。结论撤除CSDH后的双层外观可能是由于蛛网膜下腔的扩大引起的,与任何残留血肿的存在无关。这种外观不被视为重新操作的原因。

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