A Randomized Controlled Trial on Optimal Sampling Sequence in Radial Guide Sheath Endobronchial Ultrasound Lung Biopsy.
Aged
Aged, 80 and over
Biopsy
/ instrumentation
Bronchi
/ pathology
Bronchoscopy
/ methods
Case-Control Studies
Endosonography
/ instrumentation
Female
Histological Techniques
/ statistics & numerical data
Humans
Image-Guided Biopsy
/ methods
Lung
/ pathology
Lung Neoplasms
/ diagnosis
Male
Middle Aged
Prospective Studies
Specimen Handling
/ methods
Tomography, X-Ray Computed
/ methods
Journal
Journal of bronchology & interventional pulmonology
ISSN: 1948-8270
Titre abrégé: J Bronchology Interv Pulmonol
Pays: United States
ID NLM: 101496866
Informations de publication
Date de publication:
Jul 2020
Jul 2020
Historique:
pubmed:
27
2
2020
medline:
7
4
2021
entrez:
27
2
2020
Statut:
ppublish
Résumé
An optimal sampling sequence in radial guide sheath endobronchial ultrasound lung biopsy (R-EBUS) is unclear. This prospective single-center pilot randomized controlled trial aimed to determine if the initial method and sequence of sampling affect the diagnostic accuracy of the procedure. Consecutive patients undergoing R-EBUS for lesions >15 mm with a bronchus sign were randomly assigned (1:1:1) to biopsy first (group A), brushings first (group B) or combination (group C). The primary outcome was a positive diagnosis from any sampling method. Fifty-four patients were randomized. The overall diagnostic yield of the procedure was 77.8% (95% confidence interval: 66%-89%), with no difference between groups. A higher rate of positive cytology from brushings was seen if the biopsies were performed before brushings (77.8% in group A vs. 44.4% in group B, P=0.03). The rate of positive cytology from washings was higher if the washings were obtained just after the brushings (61.1% in group A vs. 11.1% in group B, P=0.02). There was no difference in the rate of positive biopsy histology in the groups (P=0.27). All 3 sampling modalities were more likely to be positive in group A (50.0% vs. 11.1% in group B and 22.2% in group C, P=0.04). Complications rate was low and not significantly different between groups. The overall rate of a positive R-EBUS procedure was not affected by the initial sampling method or sequence. However, all 3 sampling modalities were more likely to be positive if biopsies were performed first, followed by brushings and washings.
Sections du résumé
BACKGROUND
BACKGROUND
An optimal sampling sequence in radial guide sheath endobronchial ultrasound lung biopsy (R-EBUS) is unclear. This prospective single-center pilot randomized controlled trial aimed to determine if the initial method and sequence of sampling affect the diagnostic accuracy of the procedure.
METHODS
METHODS
Consecutive patients undergoing R-EBUS for lesions >15 mm with a bronchus sign were randomly assigned (1:1:1) to biopsy first (group A), brushings first (group B) or combination (group C). The primary outcome was a positive diagnosis from any sampling method.
RESULTS
RESULTS
Fifty-four patients were randomized. The overall diagnostic yield of the procedure was 77.8% (95% confidence interval: 66%-89%), with no difference between groups. A higher rate of positive cytology from brushings was seen if the biopsies were performed before brushings (77.8% in group A vs. 44.4% in group B, P=0.03). The rate of positive cytology from washings was higher if the washings were obtained just after the brushings (61.1% in group A vs. 11.1% in group B, P=0.02). There was no difference in the rate of positive biopsy histology in the groups (P=0.27). All 3 sampling modalities were more likely to be positive in group A (50.0% vs. 11.1% in group B and 22.2% in group C, P=0.04). Complications rate was low and not significantly different between groups.
CONCLUSION
CONCLUSIONS
The overall rate of a positive R-EBUS procedure was not affected by the initial sampling method or sequence. However, all 3 sampling modalities were more likely to be positive if biopsies were performed first, followed by brushings and washings.
Identifiants
pubmed: 32101915
doi: 10.1097/LBR.0000000000000651
pii: 01436970-202007000-00010
doi:
Types de publication
Journal Article
Randomized Controlled Trial
Langues
eng
Sous-ensembles de citation
IM
Pagination
205-211Références
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