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- W1783156665 abstract "Background EBUS-TBNA is usually performed by a limited number of operators in each institution in order to achieve optimal yield by accumulating individual expertise. We aimed to assess the diagnostic performance and safety of EBUS-TBNA when this procedure is learned by every trainee. Methods All consecutive patients undergoing EBUS-TBNA were prospectively included since the introduction of EBUS in our institution in January 2008 until December 2011. Each procedure was done by 2 or 3 operators including 1 senior supervisor. Rapid on-site cytologic evaluation (ROSE) was performed since June 2011. Predicting factors for the diagnostic accuracy of EBUS-TBNA were analyzed per patient and per sampled lymph node. Results 15 operators performed EBUS-TBNA in 160 patients. Definitive diagnosis was available for 156 patients (mean age 59.4±14.6 years, 38.5% F). Lymph nodes were malignant in 53.2%. Overall diagnostic accuracy was 82.7% (95% CI 76.4–88.2) and 90.3% (95% CI 81.9–97.2) for NSCLC and SCLC (n=72). Overall diagnostic accuracy tended to increase over years: 70.6%, 81.8%, 82.9% and 85.9% in 2008, 2009, 2010 and 2011 respectively (p=0.51). Subgroup analysis showed no significant influence of ROSE, number of sampled nodes per case, localization and size of lymph node and SUV max . Complications were restricted to 3 minor endobronchial bleeding. Conclusions At Geneva University Hospitals, EBUS-TBNA performance increased over years following well-known learning curves. Yet, in our setting, EBUS- learning curve seemed rather center-than operator-related. Providing on site direct supervision by a senior-experienced operator, EBUS is indeed constantly performed by junior operators without affecting the performance of the method." @default.
- W1783156665 created "2016-06-24" @default.
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- W1783156665 date "2012-09-01" @default.
- W1783156665 modified "2023-09-28" @default.
- W1783156665 title "Impact of multiple operators on diagnostic yield of EBUS-TBNA" @default.
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