动脉中枢角:一个对比增强的计算机断层扫描分析呼吸阶段和内脏脂肪的影响
Hirofumi Sekino1, Shiro Ishii1, Yumi Saito1
1Department of Radiology and Nuclear Medicine, Fukushima Medical University, Fukushima, Japan.
Journal of clinical imaging science
|February 7, 2025
概括
腹部上部的测量尺度 - - 门中枢角,在呼气结束时比吸入时更大. 内脏脂肪与这个角度有很强的相关性,这表明它在解剖学研究中的重要性.
科学领域:
- 放射学 放射学是一门学科.
- 人体解剖学 解剖学 解剖学
- 医疗成像医学成像
背景情况:
- 动脉中枢角 (AMA) 是腹部上部的一个关键解剖测量.
- 了解影响AMA的因素,如呼吸阶段和身体组成,对于准确解释医学成像至关重要.
研究的目的:
- 为了研究最终吸入和终止 expiration 时的风脉中枢角 (AMA) 之间的关系.
- 评估AMA及其变化率与人体质量指数 (BMI),内脏脂肪和隔膜运动等人类参数的相关性.
主要方法:
- 对59名患者的计算机断层扫描 (CT) 扫描进行了回顾性分析.
- 两位放射科医生在吸入结束和呼吸结束时测量AMA.
- 在AMA,变化率和人体参数 (身高,体重,BMI,内脏脂肪,皮下脂肪,隔膜运动) 之间的相关性分析.
主要成果:
- AMA在终止到期时 (88.65°) 与终止吸入时 (62.22°) 相比显著更大.
- 在两个呼吸阶段,AMA与体重,BMI,内脏脂肪和皮下脂肪有显著的相关性.
- 内脏脂肪与AMA的相关性最强 (r=0.523在吸入结束时,r=0.546在消耗结束时).
- AMA的变化率与隔膜运动有显著的相关性 (r = 0.550).
结论:
- 门中心角在末呼吸和末呼气之间有显著差异.
- 内脏脂肪是主动决定主动脉中角的一个主要决定因素.
- 隔膜运动会影响大心角的变化速率.
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