Objective To evaluate the artery anatomy and the blood circulation in forearm and hand of normal people with a allen test modified by color Doppler technique,which is a clinical material in coronary artery bypass surgery(CABG) and plastic surgery.

• 目的 应用彩色多普勒超声技术改良传统的艾伦试验 ,更客观地评估正常人前臂和手部血管解剖及血运模式 ,为冠状动脉搭桥或整形外科术前移植桡动脉做血管桥提供安全依据。