Pseudoaneurysm of the Deep Femoral Artery Following Internal Fixation for Pertrochanteric Fracture: A Report of 2 Cases

Ma, Kui; Miladi, Makram; Msakni, Ahmed; Rkhami, Mouna; Chebbi, Wael; Zarâa, Mourad; Mbarek, Mondher

doi:10.23937/2643-4016/1710009

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“…Pseudoaneurysms of vascular injuries do not contain all three layers of arteries. Iatrogenic penetrating trauma including vascular interventions, radiological procedures, and orthopaedic interventions (Fracture fixation & arthroplasty) can cause pseudoaneurysms on various arteries [10] , [11] , [12] , [13] , [14] , [15] , [16] . Pseudoaneurysms arising from smaller arteries comprise around 26% out of total occurrence [1] .…”

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confidence: 99%

Late-onset pseudoaneurysms of lower limb arteries following late complications of orthopaedic constructs - Two cases and review of literature

Pathinathan

Sivakumaran

Dimantha

et al. 2021

International Journal of Surgery Case Reports

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Introduction & importance Damage to the adventitial layer of an artery leads to pseudoaneurysm formation. Pseudoaneurysms caused by complications of orthopaedic constructs are rare. Case presentation & clinical discussion Case report 01. A 27-year-old male presented with acute bleeding from an external fixator pin site. He had defaulted follow-up due to covid pandemic and presented with malunited distal tibia fracture and loosened Schanz pins. CT angiogram revealed a pseudoaneurysm of the peroneal artery over the loosened pin site. The patient underwent exploration and ligation of the peroneal artery. Case report 02. 86-year-old female presented with a gradually enlarging lump on her left anteromedial thigh for three months duration. She underwent open reduction and internal fixation of ipsilateral femur fracture 17 months back. She was found to have a pseudoaneurysm of the superficial femoral artery caused by exposed screws following bony erosion. Exploration and repair of “neck” the pseudoaneurysm was performed and the recovery was uneventful. Conclusion Pseudoaneurysms are rare but carry devastating complications following various orthopaedic procedures. The common cause for the formation of pseudoaneurysms is trauma during surgery. But loosened Schanz screws and screws are also can be the cause. Early identification of a pseudoaneurysm and proper intervention will reduce morbidities.

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