better patency and fewer complications were also observed in limbs that were not acutely threatened , when ia streptokinase infusion was completed within 48 hours , and when the occluded segment and runoff vessels were rendered widely patent by ia streptokinase , with the aid of balloon angioplasty when necessary ( five [ 36 % ] of 14 ) .
C0005847
vessels
C0002996
balloon angioplasty