Case Report: Self-limiting penetrating cardiothoracic injury from a barbed shark dart involving the right atrium - Summary - MDSpire

Case Report: Self-limiting penetrating cardiothoracic injury from a barbed shark dart involving the right atrium

  • By

  • Xiong Tan

  • Weikai Dong

  • Yong Liu

  • Yinglong Lai

  • Jinjie Li

  • June 3, 2026

  • 0 min

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Objective:

To present a case of penetrating cardiac injury from a barbed shark dart and discuss the unique self-limiting mechanism of injury, highlighting its significance in the context of thoracic trauma.

Key Findings:
  • The barbed structure of the shark dart prevented further forward migration, limiting cardiac damage and highlighting the importance of object design in trauma.
  • The patient recovered uneventfully and remained asymptomatic at 1-year follow-up, underscoring the potential for positive outcomes in similar cases.
Interpretation:

The case illustrates a unique mechanism of injury where the physical characteristics of the foreign body contributed to a self-limiting injury pattern, contrasting with typical penetrating injuries.

Limitations:
  • The study is based on a single case report, limiting generalizability and introducing potential biases.
  • The role of barbed structures in injury severity is not widely documented, necessitating further research.
Conclusion:

The findings suggest that the structural features of penetrating objects can significantly influence injury outcomes in thoracic trauma, emphasizing the need for awareness in clinical practice.

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