ISSN: 1300-7777 E-ISSN: 1308-5263
Thrombolysis of Acute Arterial Occlusion with rt-PA [Turk J Hematol]
Turk J Hematol. 2001; 18(3): 165-172

Thrombolysis of Acute Arterial Occlusion with rt-PA

Mehmet Kurtoğlu1, Volkan Granit2, Ahmet Necefli1, Metin Kurtoğlu2, Recep Güloğlu1
1Department Of General Surgery, İstanbul Faculty Of Medicine, İstanbul, Turkey
2Student İn İstanbul Faculty Of Medicine, İstanbul, Turkey

The use of thrombolytic agents to treat peripheral arterial occlusions is a new method. Despite its advantages, information about complications caused by the use of rt-PA and about its place in treatment is still incomplete. The aim of this study was to establish a dose range for rt-PA and to follow the patients with a protocol during and after thrombolysis. Between May 1999 to January 2000, 14 patients with symptoms of peripheral arterial occlusion came to Istanbul Medical Faculty Emergency Surgery Unit. The duration of ischaemia before their hospitalization took an average of 44 hours. (Range 3 hours-7 days). A pulse-spray catheter was directed to the thrombus under angiographic control. Bolus injection of 5 mg of rt-PA was followed by 15 minutes of interval. The extent of thrombolysis was checked by angiography and then bolus injection of 5 mg of rt- PA was repeated. After angiographic control, patients having insufficient thrombolysis, received 0.05 mg/kg/hour of infusion for 12 hours. At the end of 12 hours, thrombolytic treatment ended with a control angiography. A thromboembolectomy operation was made to patients still having an occlusion after thrombolysis. To avoid re-occlusions, all of the patients received 1.5 mg/kg/day low molecular weight heparin (enoxaparin) for 1 week. At the end of thrombolysis, 9 patients had complete lysis. A patient, having an occlusion in superior mesenteric artery had 60% recanalisation. 2 patients (14%) having 90% stenosis, needed a balloon angioplasty besides thrombolysis, and both of them had complete reperfusion. 2 patients (14%) needed a thromboembolectomy operation due to insufficient thrombolysis. 2 patients (14%) had a minor bleeding after thrombolytic treatment. After thrombolysis, 2 patients (14%) had a stroke. There were no amputations. 1 of the patients having a stroke, died 2 days after thrombolytic treatment 1 patient died due to myocardial infarction during thrombolysis. 1 patient (7%) died due to diabetic coma on the 20th day. Acute myocardial infarction was the cause of death in 1 patient on the 25th day. In conclusion pulse spray thrombolysis with rt-PA is safe and efficient. Moreover there is a reduction in complications and need for surgical procedure. The recent problem is to find the optimum dosages for the best thrombolysis and for least complications.

Keywords: Thrombolysis, Acute arterial occlusion, rt-PA, Pulse spray catheter.


Mehmet Kurtoğlu, Volkan Granit, Ahmet Necefli, Metin Kurtoğlu, Recep Güloğlu. Thrombolysis of Acute Arterial Occlusion with rt-PA. Turk J Hematol. 2001; 18(3): 165-172

Corresponding Author: Mehmet Kurto&240;lu, Türkiye


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