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Updated: Jun 10, 2025

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Renal embolization for trauma: a narrative review.

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  • 1Department of Interventional Radiology, St. Luke's University Hospital, Bethlehem, PA, USA.

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Blunt trauma often causes renal injuries. Modern imaging and embolization techniques allow nonoperative management, reducing the need for nephrectomy in renal trauma cases.

Keywords:
AngiographyTherapeutic embolizationWound and injuriesKidney

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Area of Science:

  • Trauma surgery
  • Urologic imaging
  • Interventional radiology

Background:

  • Renal injuries frequently result from blunt trauma, particularly in motor vehicle accidents.
  • Contrast-enhanced computed tomography (CECT) is the standard for assessing renal trauma and injury grading using the American Association for the Surgery of Trauma (AAST) scale.

Purpose of the Study:

  • To review the current management strategies for renal trauma.
  • To highlight the role of interventional radiology, specifically renal artery embolization, in nonoperative treatment.

Main Methods:

  • Review of current literature on renal trauma management.
  • Emphasis on diagnostic angiography and catheter-directed embolization techniques.
  • Discussion of the shift towards conservative, nonoperative approaches.

Main Results:

  • Management of renal trauma has increasingly favored nonoperative strategies.
  • Advancements in imaging and interventional radiology have made embolization a feasible alternative to surgery.
  • Embolization can effectively manage renal injuries, potentially avoiding nephrectomy.

Conclusions:

  • Nonoperative management is the preferred approach for many renal trauma cases.
  • Renal artery embolization is a key technique in the conservative management of renal trauma.
  • Interventional radiology plays a crucial role in improving outcomes and reducing nephrectomy rates for renal injuries.