门静脉直径在常规的临床CT:建立正常和疾病协会
medRxiv : the preprint server for health sciences
|February 23, 2026
概括
在CT扫描上测量的门静脉直径平均为12.4毫米,与肝脏疾病和门脉高血压有关. 增加的直径预测肝脏疾病患者的静脉和炎的风险更高.
科学领域:
- 放射学和成像学 放射学和成像学
- 肝病学 肝病学是一种肝病学.
- 血管医学 血管医学
背景情况:
- 门高血压是慢性肝病的严重并发症,有助于显著的发病率和死亡率.
- 门静脉直径在成像上是门脉高血压的非侵入性标记物,但参考值和人口关联需要进一步的表征.
研究的目的:
- 使用计算机断层扫描 (CT) 来确定门静脉直径的当代参考值.
- 调查门静脉直径与人口,临床和成像因素之间的关联.
- 评估门静脉直径的诊断性能,以确定门脉高血压.
主要方法:
- 追溯分析了20,225次CT扫描的结果.
- 主门静脉的自动细分和最大直径的提取.
- 统计分析包括线性混合效应模型,后勤回归和考克斯回归来评估与各种因素和结果的关联.
主要成果:
- 门静脉的平均直径为12.4毫米,受性别,BMI,身高,年龄和CT对比使用的影响.
- 门静脉直径增加1毫米与患有肝病 (OR 1.06) 和门高血压 (OR 1.18) 的几率更高相关.
- 在肝病患者中,更大的门静脉直径预测了食道静脉和风的风险增加.
结论:
- 在常规CT上门静脉的平均直径为12.4毫米,并且根据人口和成像特征而有所不同.
- 门静脉直径增加与肝脏疾病,门高血压和诸如静脉和等不良结果有关.
- 门静脉直径是门脉高血压多式临床方法中查或丰富的实用工具.
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