Year : 2022  |  Volume : 9  |  Issue : 1  |  Page : 97-100

Primary lower-limb arterial stent infection managed with resection and In situ bovine pericardial revascularization

1 Department of Vascular Surgery, Royal Hobart Hospital; Department of Surgery, University of Tasmania, Hobart, Tasmania, Australia
2 Department of Vascular Surgery, Royal Hobart Hospital, Hobart, Tasmania, Australia

Correspondence Address:
Thomas Lovelock
Department of Vascular Surgery, Royal Hobart Hospital; Department of Surgery, University of Tasmania, Hobart, Tasmania
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijves.ijves_102_21

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Peripheral arterial stent infection is a rare but morbid condition. We present the case of a patient with primary stent infection of his superficial femoral artery (SFA) and popliteal artery, managed with surgical explant and in situ reconstruction using rifampicin-soaked bovine pericardial tube graft. A 69-year-old man presented with a 3-day history of left groin pain. He had had stents placed into his SFA and popliteal artery in 6 months prior. Duplex ultrasound demonstrated a pseudoaneurysm of the common femoral artery (CFA), with ying-yang flow. A computed tomography angiogram confirmed this pseudoaneurysm, which had a thick rind of nonenhancing soft tissue. Blood cultures were positive for methicillin-sensitive Staphylococcus aureus. The patient was taken to the operating theater, and the CFA, profunda femoris artery, and SFA were exposed. After heparinization and clamp control, the pseudoaneurysm was incised, which revealed that the proximal SFA had been completely eroded. All infected tissues were resected. In situ arterial reconstruction was undertaken using a rifampicin-soaked bovine pericardium tube graft. A subsequent positron emission tomography scan revealed high fluorodeoxyglucose uptake around the patients remaining distal SFA and popliteal artery stents. These were explanted in the same manner described above. There is limited evidence regarding the prevention of infection when placing peripheral arterial stents. The Society of Interventional Radiology does not recommend routine prophylactic antibiotics when placing peripheral stents. In situ reconstruction using bovine pericardium is a well-described technique in the management of aortic graft infections, but there is limited experience in its use in a peripheral setting.

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