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Related Experiment Videos

Imaging strategies for vascular rings

J A van Son1, P R Julsrud, D J Hagler

  • 1Department of Diagnostic Radiology, Mayo Clinic, Rochester, Minnesota.

The Annals of Thoracic Surgery
|March 1, 1994
PubMed
Summary

Vascular rings compress the trachea and esophagus. Magnetic resonance imaging (MRI) is the preferred diagnostic tool for accurately visualizing these vascular abnormalities and related anatomy.

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Area of Science:

  • Cardiovascular Surgery
  • Pediatric Cardiology
  • Diagnostic Imaging

Background:

  • Vascular rings are congenital anomalies causing tracheoesophageal compression.
  • Surgical intervention is necessary for symptomatic relief.

Purpose of the Study:

  • To evaluate the effectiveness of various diagnostic imaging techniques for vascular rings.
  • To identify the optimal imaging modality for delineating vascular and tracheal anatomy.

Main Methods:

  • Retrospective review of 39 patients undergoing surgery for vascular rings.
  • Comparison of diagnostic accuracy of chest radiography, barium esophagography, angiography, transthoracic echocardiography, computed tomography, and magnetic resonance imaging.
  • Analysis of imaging results in 12 patients over 12 years.

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Main Results:

  • Angiography, MRI, and CT scans accurately delineated anatomy in all evaluated patients.
  • Transthoracic echocardiography demonstrated low accuracy, with 5 out of 6 patients having false-negative results or insufficient visualization.
  • MRI is currently the preferred imaging technique.

Conclusions:

  • Accurate diagnosis of vascular rings is crucial for effective surgical management.
  • MRI offers superior delineation of vascular and tracheal anatomy compared to other modalities.
  • Transthoracic echocardiography is less reliable for diagnosing vascular rings.