The diagnosis of delayed expanding traumatic pseudoaneurysm of thoracic aorta caused by self-inflicted penetrating injury with crossbow bolt: A case report

Shunsuke Nakamura, Taihei Yamada, Hiromichi Naito, Naoya Sakoda, Atsunori Nakao

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction and importance: Penetrating chest trauma caused by a crossbow bolt is very rare. Herein, we report a successfully treated patient who attempted suicide by directing a crossbow to the chest cavity and developed an expanding pseudoaneurysm of the thoracic aorta during eight-day follow up. Case presentation: A 51-year-old male was admitted to the emergency department after firing a crossbow bolt twice into his left chest. At admission, the patient was hemodynamically stable and maintaining oxygenation. The bolt had already been removed from the body. Contrast-enhanced computed tomography (CT) revealed a cavity pseudoaneurysm 2.5 mm in size in the aortic arch. Three-dimensional reconstruction of the CT demonstrated wound tracts showing probable damage by the bolt. The patient was admitted to the emergency department for careful observation and transferred to the psychiatric ward on day two. Follow-up contrast-enhanced CT on day eight demonstrated rapid expansion of the pseudoaneurysm from 2.5 mm to 4.0 mm in size. We performed thoracic endovascular aortic repair (TEVAR) on day 13. The patient was uneventfully discharged on the 20th hospital day. Clinical discussion: Emergency physicians should be aware that damage to the surrounding tissue may be accompanied by delayed expansion of an aortic pseudoaneurysm, even if the bolts do not cause direct aortic wall injury. Conclusion: This case suggests that understanding the injury mechanism, confirming the tract of the bolts, and carefully exploring traumatic pseudoaneurysm can lead to a less invasive operation due to early detection.

Original languageEnglish
Article number106474
JournalInternational Journal of Surgery Case Reports
Volume88
DOIs
Publication statusPublished - Nov 2021

Keywords

  • Case report
  • Computed tomography
  • Crossbow bolt
  • Thoracic aortic injury
  • Three-dimensional reconstruction
  • Traumatic pseudoaneurysm

ASJC Scopus subject areas

  • Surgery

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