Methods From January 2001 to October 2002, 37 cases of deep vein reflux of the lower extremities diagnosed by color doppler and venography were treated with external valvuloplasty.

• 方法自2001年1月至2002年10月,四川省人民医院选择经静脉造影或彩色多普勒检查确诊为原发性下肢静脉瓣膜功能不全的37条患肢行静脉瓣膜外成形术。