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Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery
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Virtual bronchoscopic navigation for peripheral pulmonary lesions.

Fumihiro Asano1, Ralf Eberhardt, Felix J F Herth

  • 1Pulmonary Medicine, Gifu Prefectural General Medical Center, Gifu, Japan.

Respiration; International Review of Thoracic Diseases
|November 18, 2014
PubMed
Summary
This summary is machine-generated.

Virtual bronchoscopic navigation (VBN) offers high diagnostic yields for peripheral pulmonary lesions, improving accuracy when combined with imaging techniques. This promising navigational bronchoscopy method has a low complication rate and requires no specialized training.

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Area of Science:

  • Pulmonology
  • Medical Imaging
  • Interventional Bronchoscopy

Background:

  • Peripheral pulmonary lesions pose diagnostic challenges.
  • Virtual bronchoscopic navigation (VBN) utilizes virtual images to guide bronchoscopes to lesions.
  • Previous studies report varying diagnostic yields for VBN combined with different imaging modalities.

Purpose of the Study:

  • To review and synthesize the diagnostic yield and safety of VBN for peripheral pulmonary lesions.
  • To evaluate the effectiveness of VBN in combination with various bronchoscopic tools and imaging techniques.
  • To assess the potential of VBN as a navigational bronchoscopy method.

Main Methods:

  • Systematic review of PubMed-searched reports on VBN for peripheral pulmonary lesions (up to November 2013).
  • Analysis of diagnostic yields from VBN combined with ultrathin bronchoscopy/CT, endobronchial ultrasonography with a guide sheath (EBUS-GS), and X-ray fluoroscopy.
  • Inclusion of data from randomized comparative trials and meta-analyses.

Main Results:

  • Overall diagnostic yield for VBN ranged from 62.5% to 84.4% depending on the combined method.
  • Diagnostic yield for lesions ≤ 2 cm was 67.4%.
  • VBN combined with EBUS-GS improved diagnostic yield and shortened examination time; VBN with X-ray fluoroscopy improved yields for specific lesion locations and visibility challenges.

Conclusions:

  • Virtual bronchoscopic navigation (VBN) demonstrates high diagnostic rates for peripheral pulmonary lesions.
  • VBN is a promising navigational bronchoscopy technique with a low complication rate (1.0%) and no need for specialized training.
  • Further research is warranted to optimize VBN combinations, assess cost-benefit, and advance the system for maximized potential.