Abstract
To prospectively evaluate tenecteplase (TNK) for thrombolysis in acute lower-limb ischemia. Forty-three consecutive limbs in 37 patients (15 male, 22 female) were treated for acute lower-limb ischemia. Group 1 included 22 limbs treated with TNK infusion of 0.25 mg/h and group 2 included 21 limbs treated with TNK at 0.125 mg/h. Technical success was defined by 95% clearing of thrombus, and clinical success was defined by Society of Interventional Radiology category for acute ischemia of +1. Complications were ranked by severity and relation to TNK administration. Logistic regression, Student t test, and analysis of variance were performed. TNK infusions averaged 24 hours in duration (SD, 13 h), with means of 20 hours in group 1 and 27 hours in group 2 (P = .071). Technical success was achieved in 84% of limbs (36 of 43): 82% in group 1 (18 of 22) and 86% in group 2 (18 of 21; P = .827). The SIR ischemia category improved (ie, +1) in 86% of limbs (37 of 43), stayed the same (ie, category 0) in 12% of limbs (five of 43), and worsened (ie, -1) in 2% of limbs (one of 43). TNK-related complications were seen in 12% of limbs (n = 5) and were correlated with percentage decrease in fibrinogen level, initial TNK bolus, and abciximab admi...Continue Reading
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