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Arterial Aneurysmal Degeneration With Venous Varicosity Following Ligation of an Arteriovenous Fistula in a Kidney Transplant Recipient.
Vascular and Endovascular Surgery 2018 November 29
Late occurrence of arterial aneurysms following ligation of a hemodialysis arteriovenous fistula (AVF) is rare. Here, we report the case of 51-year-old male patient with an AVF in which arterial aneurysms developed. The patient had undergone left arm radiocephalic (RC) AVF creation for hemodialysis in 2000. He had received a living related donor kidney transplantation from his father in the same year. His RC AVF was ligated in 2009. However, his arm continued to gradually grow in size even after ligation and he visited a hospital for acute pain and erythema around the left elbow in 2017. Since his renal allograft function had been deteriorating, duplex ultrasonography was performed. It revealed 2 giant aneurysms in the distal brachial artery and proximal radial artery with diameters of 3.0 and 2.8 cm, respectively. The superficial veins of the left upper arm showed varicosity and had multifocal thrombi. Microfistula between the artery and vein was revealed by contrast-enhanced ultrasonography and the contrast agent microbubbles flowed from the artery toward the superficial veins. The aneurysms were resected and the arteries were reconstructed with great saphenous vein. There were no perioperative complications and the patient was discharged on postoperative day 3. No complications in the arm or bypass conduit have occurred at 6 months after the surgery.
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