双重超声波用于评估移植脏动脉的静脉静脉复合
Fu-Shun Pan1, Dao-Peng Yang1, Rong-Hai Deng2
1Department of Medical Ultrasonics, Institute of Diagnostic and Interventional Ultrasound, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China.
概括
双重超声波 (DUS) 精确检测移植脏动脉 (TRA) 中的支架内静止症 (ISR). 建立基线DUS后造血造血有助于评估ISR在随访期间.
科学领域:
- 血管外科 血管外科
- 诊断成像 诊断成像 诊断成像
- 腎臟病學 (nephrology) 是一種醫學.
背景情况:
- 移植动脉 (TRA) 狭窄可以导致移植功能障碍.
- 静脉静脉复缩 (ISR) 是TRA静脉支架后的一个重大并发症.
- 准确的监测方法对于早期检测和管理TRA-ISR至关重要.
研究的目的:
- 评估双重超声波 (DUS) 在识别TRA-ISR的诊断性能.
- 为了比较不同DUS参数在预测ISR方面的有效性.
- 为了确定基线DUS测量对ISR监测的有用性.
主要方法:
- 对112名接受TRA支架的患者进行了回顾性分析.
- DUS在1周内 (基线) 和≥3个月后 (随访) 进行.
- 关键的DUS参数:峰值缩速度 (PSV) 和PSV比率 (RIR);使用ROC曲线分析.
主要成果:
- 晚期DUS参数 (支架PSV_L,RIR_L,PSV_L/PSV_B) 在ISR组显著更高.
- 在预测ISR方面,PSV_L/PSV_B表现出高灵敏度 (92.3%) 和特异性 (93.5%).
- DUS参数显示了ISR预测曲线下的可比面积 (AUCs).
结论:
- 双重超声波是TRA-ISR的一个准确的诊断工具.
- 建议立即在支架后确定基线DUS.
- 常规DUS随访有助于对TRA-ISR的监测和早期检测.
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