Davis F M, Stewart J M
Br J Anaesth. 1980 Jan;52(1):41-7. doi: 10.1093/bja/52.1.41.
Following 333 radial artery cannulations, the frequency of complete occlusion of the vessel on the day after removal of the annula was 30%, decreasing to 24% by the 8th day. Arterial occlusion was assessed using a modified Allen's test and an ultrasonic flow meter. The frequency correlated with the type and size of cannula used, being least (3%) with 20-gauge Teflon cannulae, with the degree of bruising, and with the sex of the patient, being significantly greater in women (37.5%) than in men (27%). Other variables such as insertion technique, low cardiac output, anticoagulation after operation and the duration of cannulation were assessed. Using multivariate analysis of 13 variables, it did not appear possible to predict with any certainty the outcome of arterial cannulation. The frequency of major complications was small and no permanent sequelae were detected.
在333次桡动脉插管后，拔除套管后次日血管完全闭塞的发生率为30%，到第8天时降至24%。采用改良的艾伦试验和超声流量计评估动脉闭塞情况。该发生率与所用套管的类型和尺寸相关，使用20号聚四氟乙烯套管时发生率最低（3%），还与瘀斑程度以及患者性别有关，女性（37.5%）的发生率显著高于男性（27%）。对其他变量如插管技术、低心输出量、术后抗凝及插管持续时间进行了评估。对13个变量进行多因素分析后，似乎无法确切预测动脉插管的结果。主要并发症的发生率较低，未发现永久性后遗症。
