Pulse Thrombolysis of Thrombosed Arterio-Venous Access Using Different Doses of Recombinant Tissue Plasminogen Activator. | ||||
Ain Shams Journal of Surgery | ||||
Volume 17, Issue 4, October 2024, Page 337-348 PDF (680.57 K) | ||||
Document Type: Original Article | ||||
DOI: 10.21608/ASJS.2024.306684.1157 | ||||
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Authors | ||||
Nader M. M. Hamada* ; Hesham A Ala-Eldeen; Mostafa S. Abd-Elbary; Mohamed T. M. Ibrahim | ||||
Department of Vascular Surgery, Faculty of Medicine, Ain Shams University, Egypt | ||||
Abstract | ||||
Background: Thrombosis of arterio-venous access (AVA) is a common complication. Pulse thrombolysis for AVA followed by angioplasty yields high technical success rates, however, there is no consensus about thrombolytic agent or dose to be used. Pathients and methods: All patients who underwent AVA thrombolysis between July 2022 and June 2023 were included. The primary outcome was primary patency. Secondary outcomes were assisted primary patency, mortality and procedure related complications. Patients were divided randomly into two equal groups. Group I received 6mg of rt-PA for pulse thrombolysis while Group II received 10mg. All patients had angioplasty of stenosed segments following thrombolysis. Results: Thirty-two patients underwent AVA thrombolysis during the study period with a mean follow-up period of 32.13 weeks +/- 6.84 SD (30.44 weeks in Group I and 33.81 in Group II). After six weeks the primary patency clinically in Group I was 81.25% while it was 93.75% in Group II -P value 0.29- while after six months it was 50% in Group I and 81.25% in Group II –P value 0.063. Assisted primary patency in Group I after six months was 56.25% while it was significantly higher in Group II 87.5% –P value 0.05. Conclusions: Pulse thrombolysis using rt-PA has a high technical success rate. Using higher dose of rt-PA yield higher rate of primary patency but significantly higher in assisted primary patency after six months. Using the higher dose of thrombolytic agent was not associated with higher mortality or procedure related complication during the study follow up period. | ||||
Keywords | ||||
Arteriovenous access; pulse thrombolysis; patency; recombinant tissue plasminogen activator | ||||
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