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MDCT detection of airway stent complications: comparison with bronchoscopy

Vandana Dialani1, Armin Ernst, Maryellen Sun

  • 1Center for Airway Imaging, Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave., Boston, MA 02215, USA. vdialani@bidmc.harvard.edu

AJR. American Journal of Roentgenology
|October 23, 2008
PubMed
Abstract

Insights

MDCT (multi-detector computed tomography) accurately detects most central airway stent complications, offering a reliable alternative to bronchoscopy for identifying issues like narrowing, migration, and fracture.

Area of Science:

  • Medical Imaging
  • Pulmonology
  • Interventional Radiology

Background:

  • Central airway stents are crucial for managing various airway disorders.
  • Complications can arise from stent placement, necessitating accurate detection.
  • Bronchoscopy is a common method for diagnosing these complications.

Purpose of the Study:

  • To compare the detection rate of central airway stent complications using MDCT versus bronchoscopy.
  • To evaluate the diagnostic accuracy of MDCT in identifying specific stent-related issues.

Main Methods:

  • A retrospective review of 21 patients who underwent MDCT and bronchoscopy for suspected airway stent complications.
  • MDCT interpretation was performed by a radiologist blinded to bronchoscopy results.
  • Bronchoscopy served as the gold standard for complication diagnosis.

Main Results:

  • Thirty complications were identified in 21 patients, including stent narrowing, migration, fracture, neoplasm invasion, and perforation.
  • MDCT accurately detected 97% of complications diagnosed by bronchoscopy.
  • There was one false-negative for stent fracture and no false-positive diagnoses.

Conclusions:

  • MDCT demonstrates high accuracy in detecting central airway stent complications.
  • MDCT can be a valuable tool for non-invasive assessment of airway stent issues.

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