Application Of Catheter-directed Thrombolysis For The Treatment Of Stent Thrombosis Of Lower Extremity Artery

ObjectiveTo discuss the efficacy and safety of catheter-directed thrombolysis in treating tent thrombosis of lower extremity artery.MethodsDuring the period from January 2010 to December 2015,14 patients were diagnosed with stent thrombosis of lower extremity artery,and received Catheter-directed thrombolysis.The clinical data were retrospectively analyzed.Evaluate the efficacy and related complications of catheter-directed thrombolysis in treating tent thrombosis of lower extremity artery.ResultsAll of the technical operations have been successful.Successful thrombolysis in 11 cases,and the recanalization rate is 78.57%.Fogarty catheter embolectomy under DSA monitoring had to be carried out in 1 patient as he failed to respond catheter-directed thrombolysis.2 patients underwent amputation as a result of irreversible limb necrosis.The complications happened in 2 cases were directly related to the catheter-directed thrombolysis,which included 1 cases of hematoma at puncture site and 1 cases of bleeding at puncture site.All patients were followed up for a mean period of 14 months,and no re-stenosis occurred.ConclusionCatheter-directed thrombolysis is a minimally invasive treatment of stent thrombosis of lower extremity artery,which has a low incidence of complications and a high rate of thrombolysis.