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논문분류	춘계학술대회 초록집
제목	Evolution of arteriovenous fistulas after renal transplantation
저자	Imane Failal, SANAE Ezzaki, Naoufal Mtioui, Salma Khayat, Mohamed Zamed, Ghizline Medkouri, Mohamed Benghanem, Benyounes Ramdani
출판정보	2020; 2020(1):
키워드	Transplantation \| AVF
초록	Arteriovenous fistula (AVF) is the main long-term vascular approach in chronic hemodialysis. However, after renal transplantation, these can be the site of many complications.The aim of this study is to assess the long-term fate of FAV in renal transplant patients. Our study involved 56 renal transplants with a functional vascular approach. We collected data on dialysis seniority, data on the evolution of AVF. Our study included 32 men and 25 women. The average age was 45 years old. The mean follow-up to the AVF constitution was 90.19 months. The mean follow-up to renal transplantation was 72.92 months These were fistulas performed in the forearm (69% radial, 31% humeral-cephalic). Synthetic bypass was only used in 3 cases. Thrombosis during transplantation was observed in 20% of patients. In 3 patients, the concept of a blood pressure drop was found during the procedure.8 patients had early thrombosis of their FAV. The exact date of thrombosis was difficult to determine retrospectively in many patients. FAV was closed remotely in 42% of our patients. It was always a necessity closure. The mean time to closure compared with the transplant was 45 months on average. Several of our patients still had a functional fistula, 3 of which were returned to hemodialysis using their initial AVF. AVF had never been used in 1 patient. Distal native vascular surroundings, although not used after renal transplantation, have prolonged survival. The main progressive risk is thrombosis, which can be prevented perioperatively.
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