Stierli P, Wigger P, Aeberhard P
Chirurgische Klinik, Kantonsspital Aarau.
Helv Chir Acta. 1994 Jul;60(5):753-6.
To assess the indications for routine colour flow duplex surveillance, 43 infrainguinal autogenous vein grafts were prospectively entered into a surveillance protocol. Screening consisted of measurements of ankle brachial indices (ABI) and colour flow duplex imaging of the entire graft length. All grafts at risk had a serial fall in resting ABI of more than 0.1. This study suggests that resting ABI measurements are a very sensitive and non-expensive primary screening procedure, provided that all grafts with ABI changes of more than 0.1 are further evaluated. About 60% of ABI-screened grafts needed further evaluation because of ABI changes of greater than 0.1, incompressibility of arteries or extension of the graft to the ankle or pedal arteries. Colour flow duplex scanning was very useful in excluding of identifying and localising graft problems and deciding on further invasive diagnostic and therapeutic procedures.
为评估常规彩色血流双功超声监测的适应证，43例股动脉以下自体静脉移植物被前瞻性纳入监测方案。筛查包括测量踝肱指数（ABI）以及对整个移植物长度进行彩色血流双功超声成像。所有有风险的移植物静息ABI连续下降超过0.1。本研究表明，静息ABI测量是一种非常敏感且成本低廉的初步筛查方法，前提是对所有ABI变化超过0.1的移植物进行进一步评估。约60%经ABI筛查的移植物因ABI变化大于0.1、动脉不可压缩或移植物延伸至踝部或足部动脉而需要进一步评估。彩色血流双功超声扫描在排除、识别和定位移植物问题以及决定进一步的侵入性诊断和治疗程序方面非常有用。
