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S. Jiayuan
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MINI 36 - Imaging and Diagnostic Workup (ID 163)
- Event: WCLC 2015
- Type: Mini Oral
- Track: Screening and Early Detection
- Presentations: 1
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MINI36.07 - Diagnostic Value of Electromagnetic Navigation Bronchoscopy for Peripheral Pulmonary Lesions : A Randomized Controlled Trial (ID 1152)
19:05 - 19:10 | Author(s): S. Jiayuan
- Abstract
- Presentation
Background:
Navigational bronchoscope including conventional electromagnetic navigation bronchoscope(ENB) and endobronchial ultrasound(EBUS) with a guide sheath(GS) for transbronchial lung biopsy (TBLB) has improved the diagnostic outcome for peripheral pulmonary lesions (PPLs). However, ENB required the bronchoscope for large diameter of the working channel(>2.6mm) which could limit the deep of the insertion and EBUS-GS could be regarded as the confirmation tool other than navigation system. A new, realtime electromagnetic guidance system for bronchoscopy using a thin bronchoscope(4.0mm) with a GS(1.95mm) for TBLB is a novel method to increase diagnostic yield of PPLs.
Methods:
A prospective, open label, two centers, randomized controlled pilot study involves two diagnostic arms: ENB-GS-TBLB and traditional GS-TBLB which was conducted to determine the ability and safety.ENB-GS-TBLB is performed using an electromagnetic navigation system with a GS and an internal locatable guide with diameter of 1.45 mm. Primary outcome was diagnostic yield. Secondary outcomes were yields by total procedure time, the time for finding lesions and the X-ray time using during operation. Complications were also documented.
Results:
Of the 86 patients recruited, 81 had a definitive histological diagnosis and were included in the final analysis. The diagnostic yield of the ENB-GS-TBLB (87%) was greater than GS-TBLB (64%; p<0.05). The time for finding lesions of the ENB-GS-TBLB(3min 43s) was significantly less than GS-TBLB(4min 44s; p<0.05). ENB-GS-TBLB was independent of lesion size or lobar distribution. No complications were found in both two groups.
Conclusion:
ENB-GS-TBLB seems to be an accurate and safe procedure. It allowed us to improve the diagnostic yield of flexible bronchoscopy in PPLs.
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