guidewire

To study the validation of Doppler guidewire with intracoronary papaverine for assessment of coronary flow reserve ( CFR), 11 normal subjects ( N) and 20 patients with coronary artery disease ( C) were studied.

在11例正常人和20例冠状动脉狭窄（≥50%）患者中，采用冠状动脉内多普勒超声血流钢丝和冠脉内注射罂粟碱测量冠状动脉血流储备（CFR）。

After angiography of abdominal part of aorta and iliac-femoral artery, we carried out canalization, thrombolysis, PTA and stent implantation by guidewire via femoral artery or humoral artery.

腹主动脉及髂股动脉造影后，经股动脉或肱动脉路径采用导丝开通、溶栓、PTA和内支架置入等多种介入方法综合治疗。

Detailed introduction is made to catheter selection, catheterization techniques, application of metal guidewire and the points for attention for it, and key-notes on how to deal with catheter accidents.

介绍导管的选用、置管的具体操作，金属导丝的应用及其注意事项，提出导管意外的处理。