Abstract
Objective To investigate the efficacy and safety of endovascular double-layer bare stent placement for the treatment of traumatic false aneurysm (TFA). Methods This is a retrospective review of five patients with TFA undergone double-layer bare stent placement in our center between February 2011 and August 2020. There are 2 males and 3 females aged 29-65 years, with an average age of 43 years. One case suffered from common carotid artery pseudoaneurysm, and four cases suffered superficial femoral artery pseudoaneurysm. Results The endovascular interventional treatment was successful in all 5 patients, and the pseudoaneurysms disappeared after treatment. No TFA recurrence and no complications such as instent stenosis, stent migration, stent fracture, endoleak, and infection were observed during the 3-99-month follow-up period. Conclusion For the treatment of TFA, endovascular interventional therapy with double-layer bare stent was minimally invasive, safe, and effective with fewer complications. It could preserve all branches of parent artery and had the advantage of lower cost. It can be used in the treatment of TFA in selected cases. However, further clinical researches with larger cohorts are needed before its long-term efficacy can be completely clarified.
Highlights
Traumatic false aneurysm (TFA) refers to peripheral hematoma caused by the partial rupture of the arterial vascular wall after injury
Postoperative angiography showed that the pseudoaneurysm was hardly visible, and no important collateral vessels were occluded
Since the pseudoaneurysm is composed of fibrous tissue, it cannot heal naturally
Summary
Traumatic false aneurysm (TFA) refers to peripheral hematoma caused by the partial rupture of the arterial vascular wall after injury. Pseudoaneurysm can, if left untreated, become a life-threatening situation by thrombosis, rupture, or distal embolization [2]. Before the era of endovascular techniques, open surgical aneurysmectomy was the conventional treatment for TFA [3]. Types, and collateral pathways of pseudoaneurysm, different individualized treatments should be adopted, including single or overlapped stentassisted coiling and covered stents [5, 6]. Zhang et al reported that multiple overlapping uncovered stents could be a feasible option in the endovascular management of complicated peripheral and visceral artery aneurysms where side branches need to be maintained [7].
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