对威利斯圈的构造变化与年龄、性别和各部分直径的关系进行解剖学研究。

IF 1.4 Q3 ANATOMY & MORPHOLOGY Anatomy & Cell Biology Pub Date : 2024-08-30 DOI:10.5115/acb.24.020
Yasser Alharbi, Radi Ali M Al Saffar
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引用次数: 0

摘要

威利斯圈(COW)指的是脑基底的吻合动脉网络,其任务是提供侧支循环以预防缺血。威利斯圈具有极其重要的临床意义,尤其是在评估神经血管疾病方面。在 COW 的解剖结构上,个体差异很大。本研究旨在评估 COW 以及 COW 前段和后段内现有的解剖变异。因此,本研究旨在评估研究人群中腰椎间盘突出症及其节段和组成部分的不同解剖变异。为了实现既定目标,本研究利用血管造影图像来研究在评估不同类型的大脑异常和病症时接受脑血管造影术的患者的 COW 变异。因此,本研究将传统血管造影术作为评估 COW 不同变异的重要工具,由于其完美的空间分辨率和对 COW 解剖结构的描绘,最适合评估较小的解剖变异。研究结果表明,年龄和性别与颈部动脉解剖变异之间存在关联,尤其是颈部动脉各组成部分的直径,如基底动脉(BA)、P1 和颈内动脉(ICA)。男性的基底动脉、P1和颈内动脉直径比女性大,而40岁以下的人的基底动脉、A1、后交通动脉和颈内动脉直径比40岁以上的人大。
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Anatomical study of variations in the configurations of the circle of Willis in relation to age, sex, and diameters of the components.

The circle of Willis (COW) refers to the anastomotic arterial network found on the brain base, tasked with provision of collateral circulation aimed at prevention of ischemia. The COW is of immense clinical importance especially with regard to the assessment of neurovascular diseases. Individuals portray significant variations in the COW's anatomical configuration. The present study seeks to evaluate the existing anatomical variations of the COW and within the anterior and posterior segments of the COW. Thus, the study seeks to evaluate the different anatomical variations of the COW and its segments and components within the study population. To attain the set objectives, the present study has utilized the angiographic images for studying the COW variants in patients who underwent cerebral angiography during assessment of different types of cerebral anomalies and conditions. Therefore, this study used conventional angiography as an important tool in the evaluation of the different variations in the COW, and is most appropriate for evaluation of smaller anatomical variations owing to its perfect spatial resolution and portrayal of COW anatomy. The study findings indicated the existence between age and sex, and anatomical variations of the COW, particularly with regard to diameters of COW components like basilar artery (BA), P1, and internal carotid arterys (ICAs). Males had bigger BA, P1 and ICA diameters than females, while individuals aged below 40 years had bigger BA, A1, posterior communicating artery, and ICA diameters than those aged above 40 years.

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来源期刊
Anatomy & Cell Biology
Anatomy & Cell Biology ANATOMY & MORPHOLOGY-
CiteScore
1.80
自引率
9.10%
发文量
75
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