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Bilateral Renal Hypoperfusion Following Motor Vehicle Accident.

Medha Joshi1, Salah Aldergash1, Ali Hussain1

  • 1Temple University-Conemaugh Memorial Medical Center, Johnstown, PA, USA.

Journal of Investigative Medicine High Impact Case Reports
|August 31, 2018
PubMed
Summary

Transient renal hypoperfusion on CT scans, often linked to heart issues, can also occur after blunt trauma. This case shows it can be a benign, incidental finding in trauma patients, resolving with time.

Keywords:
bilateral renal hypoperfusionblunt traumamotor vehicle accident

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Area of Science:

  • Radiology
  • Trauma Surgery
  • Nephrology

Background:

  • Renal hypoperfusion on computed tomography (CT) scans is typically associated with cardioembolic conditions.
  • Cases of renal hypoperfusion without underlying comorbid conditions are rare.
  • Blunt trauma can lead to various internal injuries, but renal hypoperfusion is an uncommon finding.

Purpose of the Study:

  • To present a rare case of transient bilateral renal hypoperfusion following blunt trauma.
  • To discuss the diagnostic workup and potential etiology of renal hypoperfusion in trauma patients.
  • To highlight the benign and self-resolving nature of this finding in the absence of other pathologies.

Main Methods:

  • Case report of an 18-year-old male presenting with abdominal pain after a motor vehicle accident.
  • Diagnostic imaging included contrast-enhanced abdominal CT scan.
  • Extensive workup for cardioembolic and hypercoagulable causes was performed, including echocardiogram and MRA.

Main Results:

  • Abdominal CT revealed bilateral renal hypoperfusion.
  • Extensive workup for cardioembolic, vasculitic, and hypercoagulable etiologies was negative.
  • Renal hypoperfusion resolved spontaneously on follow-up CT imaging months later.

Conclusions:

  • Transient renal hypoperfusion can be an incidental finding after blunt trauma, potentially related to airbag deployment or transient hypoperfusion.
  • Extensive workup for cardioembolic causes may not be necessary in cases of isolated renal hypoperfusion following blunt abdominal trauma.
  • This finding appears benign and self-limiting, resolving without specific renal intervention.