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Complications After Stent Placement for Aortic Coarctation: A Pictorial Essay of Computed Tomographic Angiography

Sara Boccalini1, Annemarie M den Harder, Maarten Witsenburg

  • 1Departments of *Radiology ‡Cardiology ∥Pediatric Cardiology, Erasmus Medical Center, Rotterdam Departments of †Radiology §Pediatric Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands Departments of ¶Radiology #Cardiology, IRCCS Istituto Giannina Gaslini, Genova, Italy.

Journal of Thoracic Imaging
|October 25, 2017
PubMed

Insights

Computed tomography (CT) aids in assessing aortic coarctation stents after placement. This guide details normal and abnormal CT findings, including complications like restenosis, for better stent evaluation.

Area of Science:

  • Cardiovascular imaging
  • Interventional cardiology
  • Radiology

Background:

  • Stent placement is a common treatment for aortic coarctation.
  • Invasive angiography is the gold standard for diagnosis.
  • Computed tomography (CT) is frequently used for noninvasive follow-up assessments.

Purpose of the Study:

  • To provide a pictorial guide for interpreting CT scans of aortic coarctation stents.
  • To illustrate normal and abnormal CT appearances of various stent types.
  • To highlight imaging findings of potential complications.

Main Methods:

  • Review of CT examinations in patients with aortic coarctation stents.
  • Demonstration of normal and abnormal stent morphology on CT.
  • Use of 3D reconstructions to assess stent integrity and position.
  • Depiction of complications such as aortic wall injuries, restenosis, and intimal hyperplasia.

Main Results:

  • CT allows for rapid, noninvasive evaluation of aortic stents and surrounding tissues.
  • Specific imaging features differentiate normal stent appearance from abnormalities.
  • CT can identify complications including stent-related injuries and post-stent narrowing.
  • Reconstructions aid in detailed assessment of stent-aorta relationships.

Conclusions:

  • CT is a valuable tool for the follow-up of aortic coarctation stenting.
  • Understanding CT findings is crucial for detecting stent-related issues and complications.
  • This pictorial essay serves as a reference for radiologists and clinicians.

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