{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,29]],"date-time":"2026-05-29T17:44:10Z","timestamp":1780076650675,"version":"3.54.0"},"reference-count":19,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T00:00:00Z","timestamp":1777334400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004735","name":"Natural Science Foundation of Hunan Province","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004735","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Med."],"abstract":"<jats:p>Intravascular foreign bodies (IFBs) resulting from penetrating trauma pose significant clinical challenges due to their irregular geometry, thrombogenicity, and propensity for distal migration. While endovascular snare retrieval is the established standard for smooth, tubular iatrogenic objects, it often fails when fragments lie flush against the vessel wall. We report the case of a 71-year-old male who sustained a penetrating injury to the left femoral artery by a metallic fragment. During initial surgical repair at a local hospital, the fragment migrated distally. Computed tomography angiography localized the triangular foreign body within the superficial femoral artery. We utilized an \u201cOpen Umbrella\u201d technique, repurposing a distal embolic protection device (EPD) as an active capture tool. This methodology facilitated successful retrieval while providing continuous distal perfusion and obligate protection against secondary embolization (\u201ctrash foot\u201d phenomenon). The procedure adhered to the principles of Damage Control Interventional Radiology (DCIR), avoiding complex surgical re-exploration. Our experience highlights that EPD-assisted retrieval offers a bimodal advantage of high-probability capture and embolic prophylaxis. For successful extraction, we recommend the \u201c2-Fr rule\u201d\u2014utilizing a retrieval sheath at least 2-Fr larger than the object's diameter. EPD-assisted retrieval should be considered a primary salvage or even a first-line strategy for complex traumatic IFBs.<\/jats:p>","DOI":"10.3389\/fmed.2026.1802337","type":"journal-article","created":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T05:36:25Z","timestamp":1777354585000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Case Report: EPD-assisted \u201cOpen Umbrella\u201d retrieval of a migrated traumatic intravascular foreign body"],"prefix":"10.3389","volume":"13","author":[{"given":"Wei-Han","family":"Luo","sequence":"first","affiliation":[{"name":"Department of Interventional Vascular Surgery, The Central Hospital of Shaoyang","place":["Shaoyang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ting","family":"Zhu","sequence":"additional","affiliation":[{"name":"School of Nursing, Shaoyang University","place":["Shaoyang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Teng-Chao","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Interventional Vascular Surgery, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University)","place":["Changsha, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie","family":"Tan","sequence":"additional","affiliation":[{"name":"Department of Interventional Vascular Surgery, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University)","place":["Changsha, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wen-Bo","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Interventional Vascular Surgery, The Central Hospital of Shaoyang","place":["Shaoyang, 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