| 多普勒超声信号分析定量评价自体静脉移植血管的管壁弹性和血流动力学变化 |
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| 引用本文： | 赵黎,黄耀添,李军,张俊. 多普勒超声信号分析定量评价自体静脉移植血管的管壁弹性和血流动力学变化[J]. 中华超声影像学杂志, 1994, 0(4) |
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| 作者姓名： | 赵黎 黄耀添 李军 张俊 |
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| 作者单位： | 第四军医大学全军骨科研究所，第四军医大学西京医院超声诊断科 |
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| 摘 要： | 本研究以狗股静脉移植于股动脉为实验模型，采用Ｈｐ—１０００型彩色多普勒诊断仪（探头频率７．５ＭＨｚ），连续观察术后１２周内移植血管管壁弹性和流经移植血管段血流动力学变化。通过多普勒超声信号分析，定量评价了自体静脉移植血管的顺应性特点并计算了血流搏动指数。结果显示，移植血管的顺应性低于宿主动脉的顺应性，但术后１２周内无明显变化；血流搏动指数作为反映流经移植血管段的血流动力学的一项指标，术后１２周内无明显变化，且与术前无明显变化。
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| 关 键 词： | 自体静脉移植血管；彩色多普勒超声；顺应性；血流搏动指数 |
Doppler Signal Quantitation in Canine Vein Autografts:A Study of Compliance and Hemodynamic Changes |
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| Zhao Li,Huang Yao-tian,Li Jun,et al. Doppler Signal Quantitation in Canine Vein Autografts:A Study of Compliance and Hemodynamic Changes[J]. Chinese Journal of Ultrasonography, 1994, 0(4) |
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| Authors: | Zhao Li Huang Yao-tian Li Jun et al |
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| Abstract: | This investigation presents the quantitative,mechanical and hemodynamic assessment for autogenous vein graft in dog femoral artery,with a HP-1000 Doppler ultrasonographic image instrument (7. 5MHz). The values of compliance and pulsatility index(PI)were calculated by the analysis of the Doppler signals. The results showed that the compliance value of vein graft was lower than that of the femoral artery and remained unchanged within 12 weeks after implantation,while PI for vein graft maintained the similar value wth before operation. |
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| Keywords: | vein transplantation Doppler ultrasonography compliance pulsatility index hemodynamics |
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