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The creation and preservation of vascular accesses, in patients with end-stage renal failure, remains a challenge for nephrologists and vascular surgeons. Native fistula is the best vascular access, humeral-basilic fistula is a precious access in patients who have exhausted their venous capital in the forearm and in whom the cephalic vein of the arm is small or damaged. Given its deep location, any puncture of this vein is prohibited before its superficialization, even if it is of good caliber, because it can have dramatic consequences, in particular the loss of the limb or even death. We report the case of a patient undergoing hemodialysis for seven years with a non-superficialized humeral-basilic fistula, admitted for an iatrogenic false aneurysm of the brachial artery following a puncture for dialysis, with compression of the median nerve, treated surgically., (Copyright © 2021 Société francophone de néphrologie, dialyse et transplantation. Published by Elsevier Masson SAS. All rights reserved.)

Gluteal artery aneurysms are rare and mostly secondary to blunt or penetrating trauma. As an absolute rarity, we report an exceptional presentation of bilateral mycotic aneurysm of the superior gluteal artery in a 16-year-old boy associated with bacterial endocarditis. The left pseudoaneurysm was ruptured and treated using open surgery; 1 week later, the right location was successfully treated by embolization.