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Is virtual bronchoscopy an efficient diagnostic tool for the thoracic surgeon?
Catherine M Jones1, Thanos Athanasiou
1The National Heart and Lung Institute Imperial College of Science, Technology and Medicine, Department of Cardiothoracic Surgery, St. Mary's Hospital, London, United Kingdom.
The Annals of Thoracic Surgery
|December 29, 2004
Summary
Virtual bronchoscopy shows good diagnostic performance for evaluating airway stenosis. This meta-analysis confirms its accuracy compared to conventional bronchoscopy in pulmonary disease diagnosis.
Area of Science:
- Pulmonary Medicine
- Medical Imaging
- Diagnostic Accuracy
Background:
- Virtual bronchoscopy (VB) is an emerging imaging technique.
- Conventional bronchoscopy is the gold standard for diagnosing and monitoring pulmonary diseases.
- No previous meta-analysis has evaluated VB's diagnostic accuracy.
Purpose of the Study:
- To evaluate the diagnostic accuracy of virtual bronchoscopy (VB) compared to conventional bronchoscopy.
- To synthesize quantitative data from existing studies on VB.
Main Methods:
- Meta-analysis of 17 studies including 459 patients.
- Calculation of pooled sensitivity, specificity, and summary receiver operating characteristic (SROC) curves.
- Sensitivity analysis was performed.
Main Results:
- Pooled sensitivity was 84% (95% CI, 78% to 89%).
- Pooled specificity was 75% (95% CI, 62% to 85%).
- Area under the SROC curve was 0.92, indicating good diagnostic performance.
Conclusions:
- Virtual bronchoscopy demonstrates high diagnostic accuracy for evaluating airway stenosis.
- VB is a discriminating tool for various pulmonary pathologies.
- VB may benefit selected thoracic patients, including those with fistulas, post-transplant, anastomoses, or foreign body aspiration.