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Peer-reviewedCC BY 4.0Frontiers in Cardiovascular Medicine

Staphylococcus aureus-associated infected subclavian artery pseudoaneurysm treated with dual bare-metal stent implantation: a case report

  • Ruihua Li1,2
  • Shuohao Shen2
  • Yuanbin Cao2
  • Jianjun Jiang2
  • Xiangjiu Ding1,2,3
  1. 1Department of Vascular Surgery, General Surgery, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University
  2. 2Department of Vascular Surgery, General Surgery, Qilu Hospital of Shandong University
  3. 3Shandong Key Laboratory of Medicine and Prevention Integration in Rheumatism and Immunity Disease, Qilu Hospital of Shandong University
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Abstract

Infected subclavian artery aneurysms are exceedingly rare, life-threatening vascular lesions associated with high risks of rupture and mortality. We report a 70-year-old male presenting with intermittent hemoptysis, who was diagnosed with a pseudoaneurysm of the left subclavian artery adjacent to the dominant vertebral artery. Blood cultures confirmed methicillin-sensitive Staphylococcus aureus infection. The patient underwent endovascular repair with dual bare-metal stents to preserve vertebral artery perfusion. Hemoptysis completely resolved post-intervention. Complete thrombosis and occlusion of the aneurysm sac were achieved at the 3-month follow-up, with remarkable sac shrinkage observed at 6 months. This case suggests that dual bare-metal stents may represent a feasible potential treatment alternative for highly selected patients with infected subclavian artery aneurysms. Long-term safety and efficacy remain to be further verified. Long-term antimicrobial therapy and close surveillance remain mandatory.

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Cite

BibTeXRIS
BibTeX
@article{li2026staphylococcus,
  title = {{Staphylococcus aureus-associated infected subclavian artery pseudoaneurysm treated with dual bare-metal stent implantation: a case report}},
  author = {Ruihua Li and Shuohao Shen and Yuanbin Cao and Jianjun Jiang and Xiangjiu Ding},
  journal = {Frontiers in Cardiovascular Medicine},
  year = {2026},
  month = oct,
  doi = {10.3389/fcvm.2026.1965965},
  url = {https://www.frontiersin.org/articles/10.3389/fcvm.2026.1965965/full},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Staphylococcus aureus-associated infected subclavian artery pseudoaneurysm treated with dual bare-metal stent implantation: a case report
AU  - Ruihua Li
AU  - Shuohao Shen
AU  - Yuanbin Cao
AU  - Jianjun Jiang
AU  - Xiangjiu Ding
PY  - 2026
DA  - 2026/10/22
JO  - Frontiers in Cardiovascular Medicine
DO  - 10.3389/fcvm.2026.1965965
UR  - https://www.frontiersin.org/articles/10.3389/fcvm.2026.1965965/full
AB  - Infected subclavian artery aneurysms are exceedingly rare, life-threatening vascular lesions associated with high risks of rupture and mortality. We report a 70-year-old male presenting with intermittent hemoptysis, who was diagnosed with a pseudoaneurysm of the left subclavian artery adjacent to the dominant vertebral artery. Blood cultures confirmed methicillin-sensitive Staphylococcus aureus infection. The patient underwent endovascular repair with dual bare-metal stents to preserve vertebral artery perfusion. Hemoptysis completely resolved post-intervention. Complete thrombosis and occlusion of the aneurysm sac were achieved at the 3-month follow-up, with remarkable sac shrinkage observed at 6 months. This case suggests that dual bare-metal stents may represent a feasible potential treatment alternative for highly selected patients with infected subclavian artery aneurysms. Long-term safety and efficacy remain to be further verified. Long-term antimicrobial therapy and close surveillance remain mandatory.
SN  - 2297-055X
ER  -