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在患有单一脏的患者中,内电阻指数和分裂功能之间的关系
Shun-Ping Chen1,2, Miao Gu1, Yang Pan1
1Department of Ultrasonography, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.
Quantitative imaging in medicine and surgery
|November 10, 2025
概括
超声波参数,包括内电阻指数 (RI) 和长度,可以预测孤独患者的分裂功能. 0.63或更高的RI和10.6厘米或更短的长度表明功能障碍.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 放射学 放射学是一门学科.
- 医学超声波 医学超声波
背景情况:
- 内阻抗指数 (RI) 可靠地预测了双患者的整体功能.
- 超声波 (US) 参数的预测值,包括RI,对于孤独脏中功能分裂的预测值仍然不清楚.
- 这项研究研究了美国参数和单独脏中功能分裂之间的关系.
研究的目的:
- 确定超声波参数,特别是内电阻指数 (RI) 和长度,是否可以预测孤独患者的分裂功能.
- 为了确定RI和长度的切割值,以表明孤独脏中的功能障碍.
主要方法:
- 在78名疑似单独的患者进行了回顾性横截面研究,这些患者接受了美国.
- 通过估计的膜过率 (eGFR) 评估功能;患者分为功能障碍 (RDF) 和非RDF组.
- 多变量逻辑回归和ROC曲线分析用于评估美国参数 (RI,长) 作为RDF的预测指标.
主要成果:
- 包括57名患有孤独脏的患者;RI和脏长度是功能障碍的独立预测因素 (P=0.005和P=0.029).
- ROC分析显示了高预测值:RI的AUROC为0.815,脏长度为0.776,并结合为0.782.
- 最佳切割值:RI≥0.63 (灵敏度85.71%,特异性72.22%) 和长度≤10.6厘米 (灵敏度61.9%,特异性88.89%). 组合参数实现了94.44%的特异性.
结论:
- 内RI≥0.63和长≤10.6厘米是单独中分裂功能障碍的显著预测因素.
- 这些美国参数提供了一种非侵入性方法,用于评估孤独脏患者的功能.
- 结合使用RI和长度,在预测功能障碍方面表现出很高的准确性.
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