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- W2023757864 abstract "We read with interest the editorial of Drs Folch and Majid.1Folch E Majid A Point: are >50 supervised procedures required to develop competency in performing endobronchial ultrasound-guided transbronchial needle aspiration for mediastinal staging? Yes.Chest. 2013; 143: 888-891Abstract Full Text Full Text PDF PubMed Scopus (32) Google Scholar Much of their argument that >50 supervised procedures should be required for an operator to be deemed competent to perform endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) for lung cancer staging relies on the evidence from two correspondences to the editor describing the initial experience of three operators. Despite not performing any prior supervised procedures, Fernández-Villar et al2Fernández-Villar A Leiro-Fernández V Botana-Rial M Represas-Represas C Núñez-Delgado M The endobronchial ultrasound-guided transbronchial needle biopsy learning curve for mediastinal and hilar lymph node diagnosis.Chest. 2012; 141: 278-279Abstract Full Text Full Text PDF PubMed Scopus (42) Google Scholar reported that the average sample adequacy reached by the two operators was 87% between 40 and 60 procedures. In comparison, sampling adequacy of lymph nodes via EBUS-TBNA in the American College of Chest Physicians Quality Improvement Registry, Evaluation, and Education (AQuIRE) Bronchoscopy Registry in high volume centers (>276 TBNAs per year) was 90%.3Ost DE Ernst A Lei X et al.Diagnostic yield of endobronchial ultrasound-guided transbronchial needle aspiration: results of the AQuIRE Bronchoscopy Registry.Chest. 2011; 140: 1557-1566Abstract Full Text Full Text PDF PubMed Scopus (130) Google Scholar Medford4Medford AR Learning curve for endobronchial ultrasound-guided transbronchial needle aspiration.Chest. 2012; 141: 1643Abstract Full Text Full Text PDF PubMed Scopus (37) Google Scholar describes the experience of one operator, who attained a diagnostic accuracy of 85% in the first 20 procedures. The accuracy after performing 81 to 100 cases was only slightly better at 90%.4Medford AR Learning curve for endobronchial ultrasound-guided transbronchial needle aspiration.Chest. 2012; 141: 1643Abstract Full Text Full Text PDF PubMed Scopus (37) Google Scholar These data suggest that the learning curve for EBUS-TBNA “flattens out” relatively early. Do Drs Folch and Majid propose that an operator who has completed 61 EBUS-TBNA procedures must then perform double that number to achieve an additional 5% accuracy? Their argument seems to emphasize the need for maximal competency. We believe that this approach is neither practical not justified. Rather, we need to focus on minimal competency, or the ability to perform the procedure safely and effectively. It should also be noted that many of the published data on endobronchial ultrasound (EBUS) training and yield were generated at a time when, due to lack of available supervision, practitioners were self-taught. It is logical to surmise that cases performed under the supervision of an experienced operator will provide a far higher quality of learning than those procedures performed without the same guidance. We agree with Drs Folch and Majid1Folch E Majid A Point: are >50 supervised procedures required to develop competency in performing endobronchial ultrasound-guided transbronchial needle aspiration for mediastinal staging? Yes.Chest. 2013; 143: 888-891Abstract Full Text Full Text PDF PubMed Scopus (32) Google Scholar that EBUS-TBNA for staging needs to be thoroughly and properly performed to prevent inaccurate staging. Unfortunately, there are no convincing data to support their argument that >50 supervised procedures are needed to perform a staging EBUS procedure correctly. We also agree that there remain many complexities and uncertainties related to the proper staging technique, and it goes without saying that a well-trained operator performing EBUS will understand the nuances of this process In reality, neither the pro nor con argument addresses the real point, that “one size does not fit all,” whether it is 50, 100, or 1,000 procedures. What is needed is a tool to assess an individual operator's competency to perform the procedure. Only then can we ensure optimal safety and accuracy. The use of EBUS-TBNA simulators and advanced statistical means of quantitating performance may be important tools to assess operator learning.5Stather DR MacEachern P Chee A Dumoulin E Tremblay A Evaluation of clinical endobronchial ultrasound skills following clinical versus simulation training.Respirology. 2012; 17: 291-299Crossref PubMed Scopus (43) Google Scholar, 6Kemp SV El Batrawy SH Harrison RN et al.Learning curves for endobronchial ultrasound using cusum analysis [published erratum in Thorax. 2010;65(9):844].Thorax. 2010; 65: 534-538Crossref PubMed Scopus (122) Google Scholar A validated, comprehensive assessment tool has recently been published by Davoudi and colleagues7Davoudi M, Colt HG, Osann KE, et al. EBUS-STAT: assessing the validity evidence for a test of EBUS-TBNA operator skill [published online ahead of print July 26, 2012]. Am J Respir Crit Care Med. doi:10-1164/rccm.201111-1968OC.Google Scholar and may offer a practical, systematic method for determining competency for each operator. In summary, there are no compelling data to support the recommendation that >50 supervised procedures are needed for competency in EBUS-TBNA for lung cancer staging. As EBUS-TBNA is rapidly becoming the first procedure in the staging evaluation, we believe that a standard of 50 supervised procedures will provide the necessary training while maintaining patient access to this important tool for lung cancer staging." @default.
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- W2023757864 date "2013-04-01" @default.
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- W2023757864 title "Rebuttal From Drs Kinsey and Channick" @default.
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