目的通过比较三种不同穿刺方法的置管成功率，探讨当前临床上最优的动脉穿刺置管方法。

Objective To compare three different ways of radial artery cannulation in patients undergoing routine surgical operation in order to seek clinical optimal cannulation technique.

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主要血管穿刺置管并发症包括髂动脉夹层2例(0.35%)穿刺部位局部皮下少量渗血12例(2.11%)。

The main complication related to femoral vessels puncture and catheter placement was iliac artery dissection (2 cases, 0.35%) and small subcutaneous hemorrhage of puncture region (12 cases, 2.11%).

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桡动脉穿刺及置管成功率为97%。

The successful rate of RA puncture was 97%.

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