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Tarar C, Aydın E, Yetisen AK, Tasoglu S. Machine Learning-Enabled Optimization of Interstitial Fluid Collection via a Sweeping Microneedle Design. ACS OMEGA 2023; 8:20968-20978. [PMID: 37332784 PMCID: PMC10268608 DOI: 10.1021/acsomega.3c01744] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 05/19/2023] [Indexed: 06/20/2023]
Abstract
Microneedles (MNs) allow for biological fluid sampling and drug delivery toward the development of minimally invasive diagnostics and treatment in medicine. MNs have been fabricated based on empirical data such as mechanical testing, and their physical parameters have been optimized through the trial-and-error method. While these methods showed adequate results, the performance of MNs can be enhanced by analyzing a large data set of parameters and their respective performance using artificial intelligence. In this study, finite element methods (FEMs) and machine learning (ML) models were integrated to determine the optimal physical parameters for a MN design in order to maximize the amount of collected fluid. The fluid behavior in a MN patch is simulated with several different physical and geometrical parameters using FEM, and the resulting data set is used as the input for ML algorithms including multiple linear regression, random forest regression, support vector regression, and neural networks. Decision tree regression (DTR) yielded the best prediction of optimal parameters. ML modeling methods can be utilized to optimize the geometrical design parameters of MNs in wearable devices for application in point-of-care diagnostics and targeted drug delivery.
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Affiliation(s)
- Ceren Tarar
- Department
of Biomedical Sciences and Engineering, Koç University, Sariyer, Istanbul 34450, Turkey
| | - Erdal Aydın
- Department
of Chemical and Biological Engineering, Koç University, Sariyer, Istanbul 34450, Turkey
- TUPRAS
Energy Center (KUTEM), Koç University, Istanbul 34450, Turkey
| | - Ali K. Yetisen
- Department
of Chemical Engineering, Imperial College
London, London SW7 2AZ, U.K.
| | - Savas Tasoglu
- Koc
University Is Bank Artificial Intelligence Lab (KUIS AILab), Koç University, Sariyer, Istanbul 34450, Turkey
- Koç
University Translational Medicine Research Center (KUTTAM), Koç University, Istanbul 34450, Turkey
- Boğaziçi
Institute of Biomedical Engineering, Boğaziçi
University, Çengelköy, Istanbul 34684, Turkey
- Department
of Mechanical Engineering, Koç University, Sariyer, Istanbul 34450, Turkey
- Koç
University Arçelik Research Center for Creative Industries
(KUAR), Koç University, Sariyer, Istanbul 34450, Turkey
- Physical
Intelligence Department, Max Planck Institute
for Intelligent Systems, 70569 Stuttgart, Germany
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Pedro Steinhauser Motta1 J, Roberto Lapa e Silva1 J, Szklo1 A, E. Steffen2 R. EBUS-TBNA versus mediastinoscopy for mediastinal staging of lung cancer: a cost-minimization analysis. J Bras Pneumol 2022. [PMCID: PMC9496213 DOI: 10.36416/1806-3756/e20220103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objective: To assess cost differences between EBUS-TBNA and mediastinoscopy for mediastinal staging of non-small cell lung cancer (NSCLC). Methods: This was an economic evaluation study with a cost-minimization analysis. We used a decision analysis software program to construct a decision tree model to compare the downstream costs of mediastinoscopy, EBUS-TBNA without surgical confirmation of negative results, and EBUS-TBNA with surgical confirmation of negative results for the mediastinal staging of NSCLC. The study was conducted from the perspective of the Brazilian public health care system. Only direct medical costs were considered. Results are shown in Brazilian currency (Real; R$) and in International Dollars (I$). Results: For the base-case analysis, initial evaluation with EBUS-TBNA without surgical confirmation of negative results was found to be the least costly strategy (R$1,254/I$2,961) in comparison with mediastinoscopy (R$3,255/I$7,688) and EBUS-TBNA with surgical confirmation of negative results (R$3,688/I$8,711). The sensitivity analyses also showed that EBUS-TBNA without surgical confirmation of negative results was the least costly strategy. Mediastinoscopy would become the least costly strategy if the costs for hospital supplies for EBUS-TBNA increased by more than 300%. EBUS-TBNA with surgical confirmation of negative results, in comparison with mediastinoscopy, will be less costly if the prevalence of mediastinal lymph node metastasis is ≥ 38%. Conclusions: This study has demonstrated that EBUS-TBNA is the least costly strategy for invasive mediastinal staging of NSCLC in the Brazilian public health care system.
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Affiliation(s)
| | | | - Amir Szklo1
- 1. Instituto de Doenças do Tórax, Universidade Federal do Rio de Janeiro, Rio de Janeiro (RJ) Brasil
| | - Ricardo E. Steffen2
- 2. Instituto de Medicina Social, Universidade Estadual do Rio de Janeiro, Rio de Janeiro (RJ) Brasil
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Ashok A, Jiwnani SS, Karimundackal G, Bhaskar M, Shetty NS, Tiwari VK, Niyogi DM, Pramesh CS. Controversies in Mediastinal Staging for Nonsmall Cell Lung Cancer. Indian J Med Paediatr Oncol 2021. [DOI: 10.1055/s-0041-1739345] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
AbstractMediastinal lymph nodal involvement in nonsmall cell lung cancer plays a crucial role in deciding treatment strategy. Survival falls markedly with increasing involvement of mediastinal nodal stations. Hence, accurate staging of the mediastinum with lowest morbidity is of utmost importance. A wide array of invasive and noninvasive modalities that complement each other in assessing the nodes are available at our disposal. Guidelines recommend noninvasive imaging as the initial step in the staging algorithm for all tumors, followed by invasive staging. No single modality has proven to be the ideal method to stage the mediastinum when used alone. In the present decade, minimally invasive endobronchial ultrasound (EBUS) has challenged the position of surgical mediastinoscopy, which has been the gold standard, historically. However, a negative EBUS needs to be confirmed by surgical mediastinoscopy. Video-assisted mediastinoscopic lymphadenectomy has also come to the forefront in last two decades and has shown exceptional results, when performed in experienced centers. This review details the various modalities of mediastinal staging and the controversies surrounding the optimal method of staging, restaging after neoadjuvant therapy, and the most cost-effective strategy.
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Affiliation(s)
- Apurva Ashok
- Division of Thoracic Surgery, Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Sabita S. Jiwnani
- Division of Thoracic Surgery, Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - George Karimundackal
- Division of Thoracic Surgery, Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Maheema Bhaskar
- Department of Pulmonology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Nitin S. Shetty
- Division of Interventional Radiology, Department of Radiodiagnosis, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Virendra Kumar Tiwari
- Division of Thoracic Surgery, Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Devayani M. Niyogi
- Division of Thoracic Surgery, Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - C. S. Pramesh
- Division of Thoracic Surgery, Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
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Daly ME, Singh N, Ismaila N, Antonoff MB, Arenberg DA, Bradley J, David E, Detterbeck F, Früh M, Gubens MA, Moore AC, Padda SK, Patel JD, Phillips T, Qin A, Robinson C, Simone CB. Management of Stage III Non-Small-Cell Lung Cancer: ASCO Guideline. J Clin Oncol 2021; 40:1356-1384. [PMID: 34936470 DOI: 10.1200/jco.21.02528] [Citation(s) in RCA: 106] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
PURPOSE To provide evidence-based recommendations to practicing clinicians on management of patients with stage III non-small-cell lung cancer (NSCLC). METHODS An Expert Panel of medical oncology, thoracic surgery, radiation oncology, pulmonary oncology, community oncology, research methodology, and advocacy experts was convened to conduct a literature search, which included systematic reviews, meta-analyses, and randomized controlled trials published from 1990 through 2021. Outcomes of interest included survival, disease-free or recurrence-free survival, and quality of life. Expert Panel members used available evidence and informal consensus to develop evidence-based guideline recommendations. RESULTS The literature search identified 127 relevant studies to inform the evidence base for this guideline. RECOMMENDATIONS Evidence-based recommendations were developed to address evaluation and staging workup of patients with suspected stage III NSCLC, surgical management, neoadjuvant and adjuvant approaches, and management of patients with unresectable stage III NSCLC.Additional information is available at www.asco.org/thoracic-cancer-guidelines.
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Affiliation(s)
| | - Navneet Singh
- Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Nofisat Ismaila
- American Society of Clinical Oncology (ASCO), Alexandria, VA
| | | | | | | | | | | | - Martin Früh
- Department of Medical Oncology Cantonal Hospital of St Gallen, St Gallen, Switzerland.,University of Bern, Bern, Switzerland
| | | | | | - Sukhmani K Padda
- Department of Medicine, Division of Oncology, Cedars-Sinai Medical Center, Los Angeles, CA
| | - Jyoti D Patel
- Northwestern University-Feinberg School of Medicine, Chicago, IL
| | | | - Angel Qin
- University of Michigan, Ann Arbor, MI
| | | | - Charles B Simone
- New York Proton Center and Memorial Sloan Kettering Cancer Center, New York, NY
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5
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Wahidi MM, Davidson K, Shofer S, Mahmood K, Cheng G, Giovacchini C, Jones C, Jug R, Pavlisko EN, Wang X, Gu L, Weimholt C, Zhou Z, Chen A. Pilot Study of the Performance of 19-G Needle in Endobronchial Ultrasound-guided Transbronchial Aspiration for the Diagnosis and Testing of Molecular Markers in Lung Cancer. J Bronchology Interv Pulmonol 2021; 28:209-214. [PMID: 33273249 DOI: 10.1097/lbr.0000000000000736] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 10/29/2020] [Indexed: 12/28/2022]
Abstract
BACKGROUND Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) has become the standard for diagnosis and staging of lung cancer. Historically, 21- and 22-G needles have been paired with EBUS. We evaluated the performance of EBUS-TBNA using a larger 19-G needle in the assessment of tumor tissue obtained and success of testing for molecular markers. METHODS We prospectively enrolled adult patients with lymphadenopathy concerning for metastatic lung cancer. Patients underwent diagnostic EBUS-TBNA utilizing 19-G needles. Cases of non-small cell lung cancer (NSCLC) were evaluated for programmed cell death receptor ligand (PD-L1) expression. Cases of adenocarcinoma or undifferentiated NSCLC were further evaluated for 3 molecular markers for driver mutations: epidermal growth factor receptor (EGFR), c-ros oncogene 1 (ROS-1), and anaplastic lymphoma kinase (ALK). RESULTS Fifty patients were enrolled and underwent EBUS-TBNA using 19-G needles. PD-L1 assay was successfully performed in 90% of NSCLC cases. In adenocarcinoma or undifferentiated NSCLC cases, the success rate in testing was 90% for EGFR and 86% for ALK. ROS-1 testing had a success rate of 67%; 24% of these specimens had adequate tumor cells but there was technical difficulty with the assay. Block quality was judged by total number of tumor cells per hematoxylin and eosin-stained slide of each cell block (58% of specimens had >500 cells and 22% had 200 to 500 cells). There were no adverse events. CONCLUSION EBUS-TBNA using 19-G needles can obtain a high number of tumor cells and has a high rate of success in performing assays for PD-L1, EGFR, and ALK in NSCLC patients without an increase in adverse events. The success rate of ROS-1 testing was lower.
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Affiliation(s)
- Momen M Wahidi
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care
| | | | - Scott Shofer
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care
| | - Kamran Mahmood
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care
| | - George Cheng
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care
| | - Coral Giovacchini
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care
| | - Claudia Jones
- Department of Pathology, Duke University Medical Center
| | - Rachel Jug
- Department of Pathology, Duke University Medical Center
| | | | - Xiaofei Wang
- Department of Biostatistics and Bioinformatics, Duke University, Durham
| | - Lin Gu
- Department of Biostatistics and Bioinformatics, Duke University, Durham
| | | | | | - Alexander Chen
- Division of Pulmonary and Critical Care Medicine, Washington University School of Medicine, St. Louis, MO
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6
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Mohan VF, Nangia V, Singh AK, Behl R, Dumeer N. Performance of cytology, acid-fast bacilli smear, gene Xpert and mycobacterial cultures in endobronchial ultrasound-transbronchial needle aspiration aspirate in diagnosing mediastinal tuberculous lymphadenitis. Lung India 2021; 38:122-127. [PMID: 33687004 PMCID: PMC8098901 DOI: 10.4103/lungindia.lungindia_128_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 05/12/2020] [Accepted: 11/23/2020] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Diagnosis of isolated mediastinal tuberculosis (TB) can be challenging. Endobronchial ultrasound (EBUS) increases the diagnostic yield by direct sonographic visualization of mediastinal and hilar lymph nodes. With the advent of molecular techniques such as Gene Xpert, their addition to the cytology and cultures increases the diagnostic yield and detection of rifampicin resistance (RR) which helps change the effective therapeutic regimen immediately. MATERIALS AND METHODS Prospective analysis of all patients undergoing EBUS-guided transbronchial needle aspiration (EBUS-TBNA) with a clinical possibility of TB in isolated mediastinal lymphadenopathy patients at a tertiary care referral center between June 2016 and January 2018. All patients had at least five passes from each node of which two passes from each lymph node sampled in 2 ml of saline for culture and Gene Xpert for microbiologic, pathologic, and molecular analysis as per hospital protocol. RESULTS Out of 60 patients, 44 were diagnosed to have mediastinal tuberculous lymphadenitis, 8 sarcoidosis, 2 malignancies, and 6 reactive lymphadenitis. TBNA cytology was positive in 40/44 patients (90.9%), out of which 18 patients were culture positive with the sensitivity of 100%, specificity 47.6%, positive predictive value (PPV) 45%, and negative predictive value (NPV) 100%, (P value 0.011). TBNA acid-fast bacilli (AFB) smear was positive in 20/44 patients (45.45%) out of which 12 were culture positive, with sensitivity of 67%, specificity 80.95%, PPV 60%, NPV 85% (P value 0.011). TBNA Gene Xpert was positive in 30/44 patients (68.2%), out of which 6 (13.63%) showed RR-TB and two were cytology negative. Sixteen patients where culture positive with sensitivity of 88.89%, specificity 66.67%, PPV 53.33%, NPV 93.33% (P value of 0.005). TBNA AFB culture was positive in 18/44 patients (40.9%). CONCLUSION EBUS-TBNA is an effective and safe diagnostic tool for intrathoracic TB, especially for mediastinal tuberculous lymphadenitis. The combination of various tests increases the diagnostic yield. Mediastinal nodal aspirates traditionally believed to be paucibacillary can still be captured by Gene Xpert.
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Affiliation(s)
- V Frank Mohan
- Department of Pulmonary Medicine, Fortis Flt. Lt. Rajan Dhall Hospital, New Delhi, India
| | - Vivek Nangia
- Department of Pulmonary Medicine, Fortis Flt. Lt. Rajan Dhall Hospital, New Delhi, India
| | - A K Singh
- Department of Pulmonary Medicine, Fortis Flt. Lt. Rajan Dhall Hospital, New Delhi, India
| | - Rahul Behl
- Department of Pulmonary Medicine, Fortis Flt. Lt. Rajan Dhall Hospital, New Delhi, India
| | - Nitin Dumeer
- Department of Pulmonary Medicine, Fortis Flt. Lt. Rajan Dhall Hospital, New Delhi, India
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7
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Ferguson BD, Jones GD, Skovgard M, Molena D, Huang J, Bott MJ, Sihag S, Park BJ, Adusumilli PS, Downey RJ, Isbell JM, Rusch VW, Bains MS, Jones DR, Rocco G. Is Routine Chest Radiography Necessary After Endobronchial Ultrasound-guided Fine Needle Aspiration? Ann Thorac Surg 2020; 112:467-472. [PMID: 33096072 DOI: 10.1016/j.athoracsur.2020.08.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 07/28/2020] [Accepted: 08/24/2020] [Indexed: 11/20/2022]
Abstract
BACKGROUND Chest radiography is routinely performed after endobronchial ultrasound-guided fine needle aspiration (EBUS-FNA) to detect clinically occult pneumothorax. Because the established rate of postprocedure pneumothorax is low, this study sought to determine whether routine chest radiography can be safely eliminated and to ascertain the potential cost reduction with its omission. METHODS Patients who underwent EBUS-FNA between January 1, 2017 and December 31, 2018 at Memorial Sloan Kettering Cancer Center (New York, NY) were retrospectively identified. Patient-related factors were summarized using descriptive statistics. Outcomes were compared using the χ2, Fisher exact, and analysis of variance tests. Univariate regression analysis was used to identify factors predictive of postprocedure pneumothorax. RESULTS A total of 757 patients were included in the study: 72.4% (548 of 757) underwent routine chest radiography in the postanesthesia care unit. Clinically relevant or radiographically evident pneumothorax developed in 1.5% of patients (11 of 757). Of the patients who underwent chest radiography, 0.5% (3 of 548) required unplanned admission for postprocedure pneumothorax, and 0.2% (1 of 548) required tube thoracostomy. Of the 209 patients who did not undergo chest radiography, none experienced a clinically evident pneumothorax. In total, only 1 patient (0.1%) had symptomatic pneumothorax. The pneumothorax event rate was so low that no association with demographic or clinical factors and no predictive factors could be identified. The number of patients needed to be screened by chest radiography to identify 1 patient requiring deviation from routine management is 183. The potential total cost reduction if routine chest radiography had been eliminated was $33,950. CONCLUSIONS The extremely low rate of postprocedure pneumothorax precluded informative statistical analysis. Routine chest radiography after EBUS-FNA may not be necessary, and its omission may confer a cost savings.
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Affiliation(s)
- Benjamin D Ferguson
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Gregory D Jones
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Matthew Skovgard
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Daniela Molena
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - James Huang
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Matthew J Bott
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Smita Sihag
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Bernard J Park
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Prasad S Adusumilli
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Robert J Downey
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - James M Isbell
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Valerie W Rusch
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Manjit S Bains
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - David R Jones
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Gaetano Rocco
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York.
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Carretta A. Cost-effectiveness of endoscopic mediastinal staging. MEDIASTINUM (HONG KONG, CHINA) 2020; 4:18. [PMID: 35118286 PMCID: PMC8794317 DOI: 10.21037/med-20-27] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 06/15/2020] [Indexed: 12/25/2022]
Abstract
Lung cancer is the first cause of cancer-related mortality. Mediastinal staging has a main role in the definition of the therapeutic strategy in early-stage and locally-advanced non-small cell lung cancer (NSCLC). Non-invasive mediastinal staging with CT or PET imaging has relatively limited accuracy, and nodal biopsy may be required to reach adequate staging results. In the last two decades endoscopic techniques have been increasingly used in the field of mediastinal staging thanks to a reduced invasiveness and to the possibility of obtaining a more thorough assessment in comparison with surgical techniques. However, the ideal staging strategy is still a matter for debate, particularly considering the cost-effectiveness of the different approaches. Complication-rate, costs, impact on quality of life, time delay to treatment and survival of the different staging techniques still have to be analyzed in detail. Other issues to be discussed are the optimal combination of staging approaches and the influence of factors as the prevalence of nodal disease on the cost-effectiveness of the different methods. Future issues of invasive staging concern the possibility of extending the definition of nodal status to N1 intrapulmonary nodes, in the light of the development of new oncological and surgical therapeutic approaches.
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Affiliation(s)
- Angelo Carretta
- Department of Thoracic Surgery, San Raffaele Hospital, School of Medicine, Vita-salute San Raffaele University, Milan, Italy
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9
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Steinhauser Motta JP, Steffen RE, Samary Lobato C, Souza Mendonça V, Lapa e Silva JR. Endobronchial ultrasound-guided transbronchial needle aspiration versus mediastinoscopy for mediastinal staging of lung cancer: A systematic review of economic evaluation studies. PLoS One 2020; 15:e0235479. [PMID: 32603376 PMCID: PMC7326228 DOI: 10.1371/journal.pone.0235479] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 06/16/2020] [Indexed: 12/25/2022] Open
Abstract
Introduction The emergence of endobronchial ultrasound (EBUS) changed the approach to staging lung cancer. As a new method being incorporated, the use of EBUS may lead to a shift in clinical and costs outcomes. Objective The aim of this systematic review is to gather information to better understand the economic impact of implementing EBUS. Methods This review is reported according to the PRISMA statement and registered on PROSPERO (CRD42019107901). Search keywords were elaborated considering descriptors of terms related to the disease (lung cancer / mediastinal staging of lung cancer) and the technologies of interest (EBUS and mediastinoscopy) combined with a specific economic filter. The literature search was performed in MEDLINE, EMBASE, LILACS, Cochrane Library of Trials, Web of Science, Scopus and National Health System Economic Evaluation Database (NHS EED) of the Center for Reviews and Dissemination (CRD). Screening, selection of articles, data extraction and quality assessment were carried out by two reviewers. Results Seven hundred and seventy publications were identified through the database searches. Eight articles were included in this review. All publications are full economic evaluation studies, one cost-effectiveness, three cost-utility, and four cost-minimization analyses. The costs of strategies using EBUS-TBNA were lower than the ones using mediastinoscopy in all studies analyzed. Two of the best quality scored studies demonstrate that the mediastinoscopy strategy is dominated by the EBUS-TBNA strategy. Conclusion Information gathered in the eight studies of this systematic review suggest that EBUS is cost-effective compared to mediastinoscopy for mediastinal staging of lung cancer.
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Affiliation(s)
| | - Ricardo E. Steffen
- Instituto de Medicina Social, Universidade Estadual do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Caroliny Samary Lobato
- Programa de Pós-Graduação em Clínica Médica da Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vanessa Souza Mendonça
- Biblioteca do Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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10
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Crouser ED, Maier LA, Wilson KC, Bonham CA, Morgenthau AS, Patterson KC, Abston E, Bernstein RC, Blankstein R, Chen ES, Culver DA, Drake W, Drent M, Gerke AK, Ghobrial M, Govender P, Hamzeh N, James WE, Judson MA, Kellermeyer L, Knight S, Koth LL, Poletti V, Raman SV, Tukey MH, Westney GE. Diagnosis and Detection of Sarcoidosis. An Official American Thoracic Society Clinical Practice Guideline. Am J Respir Crit Care Med 2020; 201:e26-e51. [PMID: 32293205 PMCID: PMC7159433 DOI: 10.1164/rccm.202002-0251st] [Citation(s) in RCA: 455] [Impact Index Per Article: 113.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Background: The diagnosis of sarcoidosis is not standardized but is based on three major criteria: a compatible clinical presentation, finding nonnecrotizing granulomatous inflammation in one or more tissue samples, and the exclusion of alternative causes of granulomatous disease. There are no universally accepted measures to determine if each diagnostic criterion has been satisfied; therefore, the diagnosis of sarcoidosis is never fully secure. Methods: Systematic reviews and, when appropriate, meta-analyses were performed to summarize the best available evidence. The evidence was appraised using the Grading of Recommendations, Assessment, Development, and Evaluation approach and then discussed by a multidisciplinary panel. Recommendations for or against various diagnostic tests were formulated and graded after the expert panel weighed desirable and undesirable consequences, certainty of estimates, feasibility, and acceptability. Results: The clinical presentation, histopathology, and exclusion of alternative diagnoses were summarized. On the basis of the available evidence, the expert committee made 1 strong recommendation for baseline serum calcium testing, 13 conditional recommendations, and 1 best practice statement. All evidence was very low quality. Conclusions: The panel used systematic reviews of the evidence to inform clinical recommendations in favor of or against various diagnostic tests in patients with suspected or known sarcoidosis. The evidence and recommendations should be revisited as new evidence becomes available.
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11
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Lim CE, Steinfort DP, Irving LB. Diagnostic performance of 19-gauge endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) in suspected lymphoma: A prospective cohort study. CLINICAL RESPIRATORY JOURNAL 2020; 14:800-805. [PMID: 32306536 DOI: 10.1111/crj.13198] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Accepted: 04/06/2020] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) represents a minimally invasive approach in the evaluation of mediastinal/hilar lymphadenopathy. Diagnostic performance of EBUS-TBNA in lymphoma using standard 22-gauge (22G) needle is limited by sample volumes that are often inadequate for histopathological assessment. OBJECTIVES To evaluate the diagnostic utility of 19-gauge (19G) EBUS-TBNA needle in the evaluation of suspected lymphoma. METHODS We prospectively collected clinical and procedural information for patients undergoing EBUS-TBNA with 19G needle at Royal Melbourne Hospital for investigation of mediastinal/hilar lymphadenopathy, where lymphoma was considered in the differential diagnosis. All consecutive patients between June 15, 2016 and July 10, 2019 were included. If definitive diagnosis was not achieved on EBUS-TBNA, final diagnosis was determined through subsequent investigation or a minimum of 6 months radiologic surveillance. RESULTS Thirty-nine patients underwent EBUS-TBNA using 19G needle for evaluation of suspected lymphoma. Thirteen patients had a prior diagnosis of lymphoma (33%). Lymphoma was ultimately diagnosed in 23 patients (59%). Of these, 10 had a prior diagnosis of lymphoma (43%). 19G EBUS-TBNA demonstrated lymphoma in 19 patients, with a sensitivity of 83% (95% CI 66-93) for detection of lymphoma. Four patients required surgical biopsy to definitively characterise lymphoma subtype. Therefore, sensitivity of 19G EBUS-TBNA for definitive diagnosis of lymphoma was 65% (95% CI 45-81). In patients with a prior diagnosis of lymphoma, sensitivity for definitive diagnosis of lymphoma was 80% (95% CI 48-95). CONCLUSION Diagnostic performance of 19G EBUS-TBNA appears similar to standard 22G needle in detection and definitive diagnosis of lymphoma. Further invasive testing remains necessary following non-diagnostic EBUS-TBNA procedures.
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Affiliation(s)
- Christopher E Lim
- Department of Respiratory Medicine, Royal Melbourne Hospital, Parkville, VIC, Australia
| | - Daniel P Steinfort
- Department of Respiratory Medicine, Royal Melbourne Hospital, Parkville, VIC, Australia
| | - Louis B Irving
- Department of Respiratory Medicine, Royal Melbourne Hospital, Parkville, VIC, Australia
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Daher JA, Monzer HT, Abi-Saleh WJ. Limbic encephalitis associated with tuberculous mediastinal lymphadenitis. J Clin Tuberc Other Mycobact Dis 2019; 18:100129. [PMID: 31956698 PMCID: PMC6957786 DOI: 10.1016/j.jctube.2019.100129] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Introduction Limbic encephalitis represents an autoimmune disorder that is commonly associated with malignancies. It is also seen in association with infectious or systemic autoimmune diseases. The literature reports two case reports of limbic encephalitis associated with tuberculosis. Case Report We report the case of a 42 year-old male referred to our clinic for a non-resolving pneumonia. He was found to have a limbic encephalitis associated with mediastinal tuberculous lymphadenitis. The diagnosis was made on a needle aspirate from a mediastinal lymph node obtained through endobronchial ultrasound. A paradoxical radiological progression was noted during therapy. He was successfully treated by anti-tuberculous drugs with clinical and radiological improvement. Conclusion Limbic encephalitis is associated with tuberculosis and should be included as part of the central nervous system involvement with tuberculosis. Endobronchial ultrasound has been shown to be useful in the diagnosis of mediastinal tuberculous lymphadenitis.
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Affiliation(s)
- Jihad Abdallah Daher
- Diagnostic Radiology, Clemenceau Medical Center Affiliated with Johns Hopkins International, Beirut, Lebanon
| | - Hassan Talal Monzer
- Pulmonary and Critical Care Medicine, Clemenceau Medical Center Affiliated with Johns Hopkins International, Beirut, Lebanon
| | - Wajdy Joseph Abi-Saleh
- Pulmonary and Critical Care Medicine, Clemenceau Medical Center Affiliated with Johns Hopkins International, Beirut, Lebanon
- Corresponding author.
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A Multicenter Study on the Utility of EBUS-TBNA and EUS-B-FNA in the Diagnosis of Mediastinal Lymphoma. J Bronchology Interv Pulmonol 2019; 26:199-209. [DOI: 10.1097/lbr.0000000000000552] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Harris D, Saha S. Endobronchial ultrasound-guided biopsy for evaluation of suspected lung cancer. Asian Cardiovasc Thorac Ann 2019; 27:471-475. [DOI: 10.1177/0218492319853184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Purpose Historically, mediastinoscopy has been the gold standard for lung cancer diagnosis and staging, but mediastinoscopy has many limitations including sensitivity, the limited number of lymph node levels that can be sampled, and safety. Endobronchial ultrasound-guided transbronchial needle aspiration is a relatively new and less-invasive technique being used for lung cancer screening. Many studies have reported that it has similar sensitivity and specificity compared to mediastinoscopy, with a significantly lower complication rate. We performed this review to determine our institution’s experience with endobronchial ultrasound-guided transbronchial needle aspiration in lung cancer diagnosis and staging. Methods We reviewed the last 150 patients with suspected lung cancer who underwent endobronchial ultrasound-guided transbronchial needle aspiration procedures in our institution from May 26, 2016 to August 31, 2017. Results Ninety-seven of the 150 patients had a confirmed diagnosis of malignancy. Forty patients had a diagnosis other than cancer, and 13 had incomplete information or were lost to follow-up. Endobronchial ultrasound-guided transbronchial needle aspiration was correct in diagnosing malignancy or excluding malignant lymph nodes in 92 of the 97 patients with malignancy. Overall, the sensitivity, specificity, positive-predictive value, and negative-predictive value was 94.0%, 100.0%, 100.0%, and 91.5%, respectively. Only 3 complications were reported: 2 patients suffered minor bleeding, and one suffered major bleeding that resulted in cardiac arrest. Conclusions Real-time endobronchial ultrasound-guided transbronchial needle aspiration has a similar sensitivity and specificity to mediastinoscopy in diagnosing malignancy, with fewer complications and more financial benefit.
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Affiliation(s)
- Dwight Harris
- University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Sibu Saha
- Department of Surgery, Division of Cardiothoracic Surgery, University of Kentucky, Lexington, Kentucky, USA
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15
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Zhao Z, Jordan S, Tse ZTH. Devices for image-guided lung interventions: State-of-the-art review. Proc Inst Mech Eng H 2019; 233:444-463. [DOI: 10.1177/0954411919832042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Lung cancer is the leading cause of cancer-related death. According to the American Cancer Society, there were an estimated 222,500 new cases of lung cancer and 155,870 deaths from lung cancer in the United States in 2017. Accurate localization in lung interventions is one of the keys to reducing the death rate from lung cancer. In this study, a total of 217 publications from 2006 to 2017 about designs of medical devices for localization in lung interventions were screened, shortlisted, and categorized by localization principle and reviewed for functionality. Each study was analyzed for engineering characteristics and clinical significance. Research regarding interventional imaging equipment, navigation systems, and surgical devices was reviewed, and both research prototypes and commercial products were discussed. Finally, the future directions and existing challenges were summarized, including real-time intra-procedure guidance, accuracy of localization, clinical application, clinical adoptability, and clinical regulatory issues.
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Affiliation(s)
- Zhuo Zhao
- School of Electrical and Computer Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Sophie Jordan
- School of Electrical and Computer Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Zion Tsz Ho Tse
- School of Electrical and Computer Engineering, College of Engineering, University of Georgia, Athens, GA, USA
- 3T Technologies LLC, Atlanta, GA, USA
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Chouaid C, Salaün M, Gounant V, Febvre M, Vergnon JM, Jouniaux V, Fournier C, Lachkar S, Hermant C, Raspaud C, Quantin X, Quiot JJ, Molard A, Dayen C, Marquette CH, Lena H, Zalcman G, Thiberville L. Clinical efficacy and cost-effectiveness of endobronchial ultrasound-guided transbronchial needle aspiration for preoperative staging of non-small-cell lung cancer: Results of a French prospective multicenter trial (EVIEPEB). PLoS One 2019; 14:e0208992. [PMID: 30615623 PMCID: PMC6322724 DOI: 10.1371/journal.pone.0208992] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Accepted: 11/28/2018] [Indexed: 11/19/2022] Open
Abstract
This two-step study evaluated the cost-effectiveness of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) for presurgery staging of non-small cell lung cancer (NSCLC) in France (EVIEPEB; ClinicalTrial.gov identifier NCT00960271). Step 1 consisted of a high-benchmark EBUS-TBNA–training program in participating hospital centers. Step 2 was a prospective, national, multicenter study on patients with confirmed or suspected NSCLC and an indication for mediastinal staging with at least one lymph node > 1 cm in diameter. Patients with negative or uninformative EBUS-TBNA and positron-emission tomography-positive or -negative nodes, respectively, underwent either mediastinoscopy or surgery. Direct costs related to final diagnosis of node status were prospectively recorded. Sixteen of 22 participating centers were certified by the EBUS-TBNA–training program and enrolled 163 patients in Step 2. EBUS-TBNA was informative for 149 (91%) patients (75 malignant, 74 non-malignant) and uninformative for 14 (9%). Mediastinoscopy was avoided for 80% of the patients. With a 52% malignant-node rate, EBUS-TBNA positive- and negative-predictive values, respectively, were 100% and 90%. EBUS-TBNA was cost-effective, with expected savings of €1,450 per patient, and would have remained cost-effective even if all EBUS-TBNAs had been performed under general anesthesia or the cost of the procedure had been 30% higher (expected cost-saving of €994 and €1,427 per patient, respectively). After EBUS-TBNA training and certification of participating centers, the results of this prospective multicenter study confirmed EBUS-TBNA cost-effectiveness for NSCLC staging.
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Affiliation(s)
| | | | | | - Michel Febvre
- Department of Pneumology, CHU Tenon, APHP, Paris, France
| | | | | | | | - Samy Lachkar
- Department of Pneumology, CHU de Rouen, Rouen, France
| | | | | | - Xavier Quantin
- Department of Pneumology, CHU Montpellier, Montpellier, France
| | | | - Anita Molard
- Department of Pneumology, CHU Strasbourg, Strasbourg, France
| | - Charles Dayen
- Department of Pneumology, CH Saint-Quentin, Saint-Quentin, France
| | | | - Hervé Lena
- Department of Pneumology, CHU de Rennes, Rennes, France
| | - Gérard Zalcman
- Department of Pneumology CHU Bichat, APHP, Paris, France
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Abstract
Lung cancer is the leading cause of cancer-related deaths. Many methods and devices help acquire more accurate clinical and localization information during lung interventions and may impact the death rate for lung cancer. However, there is a learning curve for operating these tools due to the complex structure of the airway. In this study, we first discuss the creation of a lung phantom model from medical images, which is followed by a comparison of 3D printing in terms of quality and consistency. Two tests were conducted to test the performance of the developed phantom, which was designed for training simulations of the target and ablation processes in endochonchial interventions. The target test was conducted through an electromagnetic tracking catheter with navigation software. An ablation catheter with a recently developed thermochromic ablation gel conducted the ablation test. The results of two tests show that the phantom was very useful for target and ablation simulation. In addition, the thermochromic gel allowed doctors to visualize the ablation zone. Many lung interventions may benefit from custom training or accuracy with the proposed low-cost and patient-specific phantom.
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Wahidi MM, Ernst A. Point: Should UItrasonographic Endoscopy Be the Preferred Modality for Staging of Lung Cancer? Yes. Chest 2018; 145:447-449. [PMID: 27845631 DOI: 10.1378/chest.13-2722] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Affiliation(s)
- Momen M Wahidi
- Division of Pulmonary and Critical Care Medicine and Department of Medicine, Duke University Medical Center Durham, NC.
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Fernandez-Bussy S, Inaty H, Caviedes I, Labarca G, Vial MR, Majid A. Unusual diagnoses made by convex-probe endobronchial ultrasound-guided transbronchial needle aspiration. Pulmonology 2018; 24:300-306. [PMID: 29627400 DOI: 10.1016/j.pulmoe.2017.12.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 09/06/2017] [Accepted: 12/14/2017] [Indexed: 12/25/2022] Open
Abstract
Endobronchial ultrasound-guided transbronchial needle biopsy (EBUS-TBNA) has proven to be an effective and minimally invasive tool to diagnose and stage lung cancer. However, its use for the diagnosis of rare mediastinal and lung pathologies has been rarely described. Hereby we describe a retrospective chart review of our EBUS-TBNA database for unusual diagnosis made between July 2012 and October 2016. Those conditions considered unusual for EBUS-TBNA diagnosis were identified and their medical records reviewed.
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Affiliation(s)
- S Fernandez-Bussy
- Interventional Pulmonology, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana - Universidad del Desarrollo, Santiago, Chile.
| | - H Inaty
- Department of Pulmonary and Critical Care Medicine, Cleveland Clinic, Cleveland, OH, United States
| | - I Caviedes
- Interventional Pulmonology, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana - Universidad del Desarrollo, Santiago, Chile
| | - G Labarca
- Facultad de Medicina, Universidad San Sebastian, Concepcion, Chile; Complejo Asistencial Dr. Victor Rios Ruiz, Los Angeles, Chile
| | - M R Vial
- Interventional Pulmonology, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana - Universidad del Desarrollo, Santiago, Chile
| | - A Majid
- Division of Thoracic Surgery and Interventional Pulmonology, Beth Israel Deaconess Medical Center, Boston, MA, United States
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Lizama C, Slavova-Azmanova NS, Phillips M, Trevenen ML, Li IW, Johnson CE. Implementing Endobronchial Ultrasound-Guided (EBUS) for Staging and Diagnosis of Lung Cancer: A Cost Analysis. Med Sci Monit 2018; 24:582-589. [PMID: 29377878 PMCID: PMC5800486 DOI: 10.12659/msm.906052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 10/27/2017] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) and guide sheath (EBUS-GS) are gaining popularity for diagnosis and staging of lung cancer compared to CT-guided transthoracic needle aspiration (CT-TTNA), blind fiber-optic bronchoscopy, and mediastinoscopy. This paper aimed to examine predictors of higher costs for diagnosing and staging lung cancer, and to assess the effect of EBUS techniques on hospital cost. MATERIAL AND METHODS Hospital costs for diagnosis and staging of new primary lung cancer patients presenting in 2007-2008 and 2010-2011 were reviewed retrospectively. Multiple linear regression was used to determine relationships with hospital cost. RESULTS We reviewed 560 lung cancer patient records; 100 EBUS procedures were performed on 90 patients. Higher hospital costs were associated with: EBUS-TBNA performed (p<0.0001); increasing inpatient length of stay (p<0.0001); increasing number of other surgical/diagnostic procedures (p<0.0001); whether the date of management decision fell within an inpatient visit (p<0.0001); and if the patient did not have a CT-TTNA, then costs increased as the number of imaging events increased (interaction p<0.0001). Cohort was not significantly related to cost. Location of the procedure (outside vs. inside theater) was a predictor of lower one-day EBUS costs (p<0.0001). Cost modelling revealed potential cost saving of $1506 per EBUS patient if all EBUS procedures were performed outside rather than in the theater ($66,259 per annum). CONCLUSIONS EBUS-TBNA only was an independent predictor of higher cost for diagnosis and staging of lung cancer. Performing EBUS outside compared to in the theater may lower costs for one-day procedures; potential future savings are considerable if more EBUS procedures could be performed outside the operating theater.
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Affiliation(s)
- Catalina Lizama
- Cancer and Palliative Care Research and Evaluation Unit, School of Surgery, University of Western Australia (UWA), Crawley, WA, Australia
| | - Neli S. Slavova-Azmanova
- Cancer and Palliative Care Research and Evaluation Unit, School of Surgery, University of Western Australia (UWA), Crawley, WA, Australia
| | - Martin Phillips
- Department of Respiratory, Sir Charles Gairdner Hospital, Nedlands WA, Australia
| | - Michelle L. Trevenen
- Centre for Applied Statistics, University of Western Australia (UWA), Crawley, WA, Australia
| | - Ian W. Li
- School of Population and Public Health, University of Western Australia (UWA), Crawley, WA, Australia
| | - Claire E. Johnson
- Cancer and Palliative Care Research and Evaluation Unit, School of Surgery, University of Western Australia (UWA), Crawley, WA, Australia
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Czarnecka-Kujawa K, Rochau U, Siebert U, Atenafu E, Darling G, Waddell TK, Pierre A, De Perrot M, Cypel M, Keshavjee S, Yasufuku K. Cost-effectiveness of mediastinal lymph node staging in non–small cell lung cancer. J Thorac Cardiovasc Surg 2017; 153:1567-1578. [DOI: 10.1016/j.jtcvs.2016.12.048] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 12/07/2016] [Accepted: 12/17/2016] [Indexed: 12/25/2022]
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Simon M, Pop B, Toma L, Vallasek A, Simon I. Endobronchial ultrasound - one year of experience in clinical practice. ACTA ACUST UNITED AC 2017; 90:188-195. [PMID: 28559704 PMCID: PMC5433572 DOI: 10.15386/cjmed-655] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 03/29/2016] [Indexed: 01/07/2023]
Abstract
Background and aim Endobronchial ultrasound (EBUS) is a recent minimally invasive, safe examination method for the mediastinum, with a good diagnostic precision. This method makes possible real time examination with transbronchial fine needle aspiration, diagnostic transbronchial needle aspiration (TBNA) and staging of non-small pulmonary tumors, as well as diagnosis of mediastinal and hilar adenopathies of various causes. Methods We present the experience of the Bronchoscopy Department of the Pulmonology Clinic of Cluj-Napoca with EBUS-TBNA as a tool for the diagnosis and staging of tumors in contact with the bronchial wall and mediastinal and hilar adenopathies of unknown etiology. During the period August 2014 – January 2016 we examined 152 patients with no direct or indirect signs of lung tumor in traditional bronchoscopy. Rapid on site evaluation (ROSE) was available for all patients. Results Our study is a retrospective study of 152 EBUS-TBNA examinations. The average age of our patients was 54.43 years and 64% came from urban and 36% from rural background. EBUS-TBNA brought the final histological confirmation (tumors, sarcoidosis, limphoma) in 82.8% of the cases. A tumor confirmation was obtained in 95% of the patients who were suspected of having tumor. For a better understanding of the importance of this method in the daily clinical practice we present a case of peripheral pulmonary neoplasm with mediastinal and hilar adenopathies, where the contribution of EBUS-TBNA to a rapid diagnosis was essential. Conclusion By the introduction of this method in our country one year ago, we can diagnose patients with lung and mediastinal tumors, which cannot be diagnosed by traditional bronchoscopy. This brings a valuable contribution to the improvement of lung cancer staging and diagnostic.
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Affiliation(s)
- Marioara Simon
- Bronchology Laboratory, Leon Daniello Clinical Hospital of Pneumology, Cluj-Napoca, Romania
| | - Bogdan Pop
- Department of Pathology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Lacramioara Toma
- Laboratory Department, Leon Daniello Clinical Hospital of Pneumology, Cluj-Napoca, Romania
| | - Aletta Vallasek
- Leon Daniello Clinical Hospital of Pneumology, Cluj-Napoca, Romania
| | - Ioan Simon
- Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
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Endobronchial Ultrasound Bronchoscope Damage. J Bronchology Interv Pulmonol 2017; 23:259-62. [PMID: 27077640 DOI: 10.1097/lbr.0000000000000285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Endobronchial ultrasound (EBUS)-guided transbronchial needle aspiration is an effective, safe, and cost-effective diagnostic bronchoscopy technique for the work-up of mediastinal lymphadenopathy. Concern has been raised, however, about the high cost of convex-probe EBUS bronchoscope repairs. The damage is usually due to breakage of the insertion tube (the flexible part that is advanced into the airways), moisture invasion and damages to the working channel, image guide bundle, or umbilical cord. Understanding the root cause of EBUS scope damage is important for its prevention. We describe 2 unusual cases of EBUS scope damage. In the first case, the distal black rubber covering of the EBUS scope insertion tube was damaged due to friction with the edge of an endotracheal tube and in the second case, the EBUS scope insertion tube was angulating laterally instead of vertically during the flexion maneuver, probably due to scope manipulation while wedged tightly in a segmental bronchus.
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Czarnecka-Kujawa K, Yasufuku K. The role of endobronchial ultrasound versus mediastinoscopy for non-small cell lung cancer. J Thorac Dis 2017; 9:S83-S97. [PMID: 28446970 DOI: 10.21037/jtd.2017.03.102] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
This review provides an update on the current role of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) and mediastinoscopy (Med) in assessment of patients with non-small cell lung cancer (NSCLC). Invasive mediastinal lymph node (LN) staging is the major application for both of these techniques. Up until recently, Med was the gold standard for invasive mediastinal LN staging in NSCLC. However, EBUS-TBNA has shown to be equivalent, and in some studies better than Med for invasive staging of lung cancer. EBUS-TBNA offers access to N1 LNs and development of the thin convex probe EBUS (TCP-EBUS) will expand EBUS-TBNA access from the paratracheal region and central airways to more distal parabronchial regions allowing for more extensive N1 LN assessment and sampling more distal lung tumors. EBUS-TBNA is more cost-effective than Med and it is currently recommended as the test of first choice for invasive mediastinal LN staging in lung cancer. Confirmatory Med should be performed selectively in patients with high pretest probability of metastatic disease. Addition of esophageal ultrasound fine needle aspiration (EUS-FNA) may increase diagnostic yield of EBUS-TBNA mediastinal staging. Both Med and EBUS-TBNA can be used in primary lung cancer diagnosis, restaging of the mediastinum following neoadjuvant therapy and in diagnosis of lung cancer recurrence. In the future, a combination of EBUS-TBNA with or without EUS-FNA and Med is most likely going to provide the most optimal invasive assessment of the mediastinum in patients with lung cancer. The decision on test choice and sequence should be made on a case-by-case basis and factoring in local resources and expertise.
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Affiliation(s)
- Katarzyna Czarnecka-Kujawa
- Division of Respirology, University Health Network, Canada University of Toronto, Toronto, Canada.,Division of Thoracic Surgery, University Health Network, Canada University of Toronto, Toronto, Canada
| | - Kazuhiro Yasufuku
- Division of Thoracic Surgery, University Health Network, Canada University of Toronto, Toronto, Canada
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Negative EBUS-TBNA Predicts Very Low Prevalence of Mediastinal Disease in Staging of Non–Small Cell Lung Cancer. J Bronchology Interv Pulmonol 2016; 23:177-80. [DOI: 10.1097/lbr.0000000000000234] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Steinfort DP, Siva S, Leong TL, Rose M, Herath D, Antippa P, Ball DL, Irving LB. Systematic Endobronchial Ultrasound-guided Mediastinal Staging Versus Positron Emission Tomography for Comprehensive Mediastinal Staging in NSCLC Before Radical Radiotherapy of Non-small Cell Lung Cancer: A Pilot Study. Medicine (Baltimore) 2016; 95:e2488. [PMID: 26937894 PMCID: PMC4778990 DOI: 10.1097/md.0000000000002488] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Despite known limitations of positron emission tomography (PET) for mediastinal staging of non-small cell lung cancer (NSCLC), radiation treatment fields are generally based on PET-identified disease extent. However, no studies have examined the accuracy of FDG-PET/CT on a per-node basis in patients being considered for curative-intent radiotherapy in NSCLC.In a prospective trial, patients with NSCLC being considered for definitive thoracic radiotherapy (± systemic chemotherapy) underwent minimally invasive systematic mediastinal evaluation with endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) following noninvasive staging with integrated PET-CT.Thirty patients underwent EBUS-TBNA, with TBNA performed from a mean 2.5 lymph node (LN) stations per patient (median 3, range 1-5). Discordant findings between PET-CT and EBUS-TBNA were observed in 10 patients (33%, 95% CI 19%-51%). PET-occult LN metastases were demonstrated by EBUS in 4 patients, whereas a lesser extent of mediastinal involvement, compared with FDG-PET, was demonstrated by EBUS in 6 patients, including 2 patients downstaged from cN3 to pN2. LNs upstaged by EBUS were significantly smaller than nodes downstaged by EBUS, 7.5 mm (range 7-9) versus 12 mm (range 6-21), P = 0.005.A significant proportion of patients considered for definitive radiotherapy (+/-chemotherapy) undergoing systematic mediastinal evaluation with EBUS-TBNA in this study have an extent of mediastinal NSCLC involvement discordant with that indicated by PET-CT. Systematic EBUS-TBNA may aid in defining the extent of mediastinal involvement in NSCLC patients undergoing radiotherapy. Systematic EBUS-TBNA has the potential to contribute significantly to radiotherapy planning and delivery, by either identifying occult nodal metastases, or demonstrating FDG-avid LNs to be disease-free.
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Affiliation(s)
- Daniel P Steinfort
- From the Department of Cancer Medicine, Peter MacCallum Cancer Institute, East Melbourne (DPS, LBI); Department of Medicine, University of Melbourne (DPS, TLL, LBI); Department of Respiratory Medicine, Royal Melbourne Hospital, Parkville (DPS, MR, LBI); Department of Respiratory Medicine, Monash Medical Centre, Clayton (DPS); Department of Radiation Oncology, Peter MacCallum Cancer Institute, East Melbourne (SS, DLB); Sir Peter MacCallum Department of Oncology, University of Melbourne (SS, DLB); Department of Nuclear Medicine (DG); Department of Cardiothoracic Surgery, Royal Melbourne Hospital, Parkville (PA); and Department of Cancer Surgery, Peter MacCallum Cancer Institute (PA), East Melbourne, Australia
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Laffay L, Gérinière L, Couraud S, Souquet PJ. [Endobronchial ultrasound transbronchial needle aspiration initiation into the Lyon Sud hospital center: Experience of the first three years]. REVUE DE PNEUMOLOGIE CLINIQUE 2016; 72:17-24. [PMID: 26305022 DOI: 10.1016/j.pneumo.2015.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2014] [Revised: 02/23/2015] [Accepted: 03/01/2015] [Indexed: 06/04/2023]
Abstract
INTRODUCTION Endobronchial ultrasound is a recent technique for the diagnosis and the lymph node staging in lung cancer. It also showed interest in non tumoral mediastinal lymph nodes diagnosis. This work relates the CHLS first three years' experience in terms of EEB practical use as a new diagnostic tool in this field. METHODS Retrospective study of consecutive cases patients having undergone endobronchial ultrasound from November 2008 till June 2011 in the CHLS. RESULTS On 65 endobronchial ultrasound, general anesthesia was practiced in 89 % of the cases, with a good tolerance in 81 % of the cases. In 77 % cases, EEB allowed diagnosis and avoided mediastinoscopy in 60.5 % of the cases. The respective sensibility, specificity, positive and negative predictive values were 74 %, 100 %, 100 % and 48 %. CONCLUSION These data, reflect of a novice team experience, illustrate the results obtained in the current practice in terms of etiologic diagnosis. Endobronchial ultrasound seems destined to a bright future but requires the development of dedicated centers allowing pulmonologists training and specialized pathologists in this field.
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Affiliation(s)
- L Laffay
- Service de pneumologie aiguë spécialisée et cancérologie thoracique, centre hospitalier Lyon-Sud, hospices civils de Lyon, 165, chemin du Grand-Revoyet, 69495 Pierre-Bénite, France; Faculté de médecine et de maïeutique Lyon-Sud Charles-Mérieux, université Lyon-1, 69600 Oullins, France.
| | - L Gérinière
- Service de pneumologie aiguë spécialisée et cancérologie thoracique, centre hospitalier Lyon-Sud, hospices civils de Lyon, 165, chemin du Grand-Revoyet, 69495 Pierre-Bénite, France
| | - S Couraud
- Service de pneumologie aiguë spécialisée et cancérologie thoracique, centre hospitalier Lyon-Sud, hospices civils de Lyon, 165, chemin du Grand-Revoyet, 69495 Pierre-Bénite, France; Faculté de médecine et de maïeutique Lyon-Sud Charles-Mérieux, université Lyon-1, 69600 Oullins, France
| | - P-J Souquet
- Service de pneumologie aiguë spécialisée et cancérologie thoracique, centre hospitalier Lyon-Sud, hospices civils de Lyon, 165, chemin du Grand-Revoyet, 69495 Pierre-Bénite, France; Faculté de médecine et de maïeutique Lyon-Sud Charles-Mérieux, université Lyon-1, 69600 Oullins, France
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Rooper LM, Nikolskaia O, Carter J, Ning Y, Lin MT, Maleki Z. A single EBUS-TBNA procedure can support a large panel of immunohistochemical stains, specific diagnostic subtyping, and multiple gene analyses in the majority of non-small cell lung cancer cases. Hum Pathol 2016; 51:139-45. [PMID: 26980023 DOI: 10.1016/j.humpath.2015.12.025] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 12/17/2015] [Accepted: 12/23/2015] [Indexed: 10/22/2022]
Abstract
Targeted therapies for pulmonary adenocarcinoma (ACA) necessitate specific subtyping and molecular testing of non-small cell lung carcinomas (NSCLC). However, endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) has decreased the tissue available for these assessments. While EBUS-TBNA specimens have previously been reported to successfully subtype NSCLC, allow immunohistochemistry (IHC), and support molecular diagnostics, no studies have documented the extent to which all objectives are possible in a single sample. Of 107 consecutive EBUS-TBNA specimens that were eligible for molecular testing, 98.8% had enough tissue for IHC, 80.2% received a definitive subtype, and 71.0% had both sufficient tissue to attempt molecular testing and technical success on multigene next-generation sequencing and ALK fluorescence in situ hybridization assays. Both subtyping and molecular diagnostics were possible in 57.9% of patients. The mean number of immunostains performed did not differ between patients with or without successful molecular testing (4.4 versus 4.6, P = .88). Only 40% of patients with insufficient tissue underwent repeat sampling. These findings indicate that a majority of EBUS-TBNA specimens provide sufficient tissue for subtyping pulmonary NSCLC, performing IHC, and completing multiple gene analyses. Although priorities must be assessed for each case individually, performance of IHC does not detract from completion of molecular diagnostics in general. Because most patients never undergo repeat sampling, the tissue yield of EBUS-TBNA should be improved to maximize evaluation for targeted therapies.
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Affiliation(s)
- Lisa M Rooper
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Olga Nikolskaia
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Jamal Carter
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Yi Ning
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Ming-Tseh Lin
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Zahra Maleki
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287.
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Fernández-Villar A, Mouronte-Roibás C, Botana-Rial M, Ruano-Raviña A. Ten Years of Linear Endobronchial Ultrasound: Evidence of Efficacy, Safety and Cost-effectiveness. Arch Bronconeumol 2015; 52:96-102. [PMID: 26565072 DOI: 10.1016/j.arbres.2015.08.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 08/21/2015] [Accepted: 08/26/2015] [Indexed: 12/25/2022]
Abstract
Real-time endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is one of the major landmarks in the history of bronchoscopy. In the 10 years since it was introduced, a vast body of literature on the procedure and its results support the use of this technique in the study of various mediastinal and pulmonary lesions. This article is a comprehensive, systematic review of all the available scientific evidence on the more general indications for this technique. Results of specific studies on efficacy, safety and cost-effectiveness available to date are examined. The analysis shows that EBUS-TBNA is a safe, cost-effective technique with a high grade of evidence that is a valuable tool in the diagnosis and mediastinal staging of patients with suspected or confirmed lung cancer. However, more studies are needed to guide decision-making in the case of a negative result. Evidence on the role of EBUS-TBNA in the diagnosis of sarcoidosis and extrathoracic malignancies is also high, but much lower when used in the study of tuberculosis, lymphoma and for the re-staging of lung cancer after neoadjuvant chemotherapy. Nevertheless, due to its good safety record and lack of invasiveness compared to surgical techniques, the grade of evidence for recommending EBUS-TBNA as the initial diagnostic test in patients with these diseases is very high in most cases.
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Affiliation(s)
- Alberto Fernández-Villar
- Servicio de Neumología de la EOXI Vigo, Instituto de Investigación Biomédica de Vigo, Vigo, Pontevedra, España.
| | - Cecilia Mouronte-Roibás
- Servicio de Neumología de la EOXI Vigo, Instituto de Investigación Biomédica de Vigo, Vigo, Pontevedra, España
| | - Maribel Botana-Rial
- Servicio de Neumología de la EOXI Vigo, Instituto de Investigación Biomédica de Vigo, Vigo, Pontevedra, España
| | - Alberto Ruano-Raviña
- Departamento de Medicina Preventiva, Facultad de Medicina, Universidad de Santiago de Compostela, Santiago de Compostela, La Coruña, España; CIBER de Epidemiología y Salud Pública, CIBERESP, España
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Folch E, Costa DB, Wright J, VanderLaan PA. Lung cancer diagnosis and staging in the minimally invasive age with increasing demands for tissue analysis. Transl Lung Cancer Res 2015; 4:392-403. [PMID: 26380180 DOI: 10.3978/j.issn.2218-6751.2015.08.02] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Accepted: 08/03/2015] [Indexed: 12/25/2022]
Abstract
The diagnosis and staging of patients with lung cancer in recent decades has increasingly relied on minimally invasive tissue sampling techniques, such as endobronchial ultrasound (EBUS) or endoscopic ultrasound (EUS) needle aspiration, transbronchial biopsy, and transthoracic image guided core needle biopsy. These modalities have been shown to have low complication rates, and provide adequate cellular material for pathologic diagnosis and necessary ancillary molecular testing. As an important component to a multidisciplinary team approach in the care of patients with lung cancer, these minimally invasive modalities have proven invaluable for the rapid and safe acquisition of tissue used for the diagnosis, staging, and molecular testing of tumors to identify the best evidence-based treatment plan. The continuous evolution of the field of lung cancer staging and treatment has translated into improvements in survival and quality of life for patients. Although differences in clinical practice between academic and community hospital settings still exist, improvements in physician education and training as well as adoption of technological advancements should help narrow this gap going forward.
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Affiliation(s)
- Erik Folch
- 1 Division of Thoracic Surgery and Interventional Pulmonology, 2 Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA ; 3 Baptist Memorial Hospital, Memphis, TN, USA ; 4 Department of Pathology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Daniel B Costa
- 1 Division of Thoracic Surgery and Interventional Pulmonology, 2 Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA ; 3 Baptist Memorial Hospital, Memphis, TN, USA ; 4 Department of Pathology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Jeffrey Wright
- 1 Division of Thoracic Surgery and Interventional Pulmonology, 2 Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA ; 3 Baptist Memorial Hospital, Memphis, TN, USA ; 4 Department of Pathology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Paul A VanderLaan
- 1 Division of Thoracic Surgery and Interventional Pulmonology, 2 Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA ; 3 Baptist Memorial Hospital, Memphis, TN, USA ; 4 Department of Pathology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
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Sperandeo M, Trovato FM, Dimitri L, Catalano D, Simeone A, Martines GF, Piscitelli AP, Trovato GM. Lung transthoracic ultrasound elastography imaging and guided biopsies of subpleural cancer: a preliminary report. Acta Radiol 2015; 56:798-805. [PMID: 24951615 DOI: 10.1177/0284185114538424] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Accepted: 05/14/2014] [Indexed: 12/21/2022]
Abstract
BACKGROUND Despite the usefulness of elastography in assessing the stiffness/elasticity of tissues, and its proven diagnostic accuracy in thyroid, breast, and prostate cancers, among others, it is not yet applied in transthoracic ultrasound (TUS) scans to investigate lung nodules. PURPOSE To investigate the potential clinical utility of TUS elastography in diagnosing lung cancer proven by fine-needle aspiration biopsy (FNAB). MATERIAL AND METHODS TUS elastography was performed in 95 consecutive patients (71 men, 24 women; age, 62.84 ± 7.37 years) with lesions suspected of involving the chest wall or the pleura detected on chest X-ray or computed tomography (CT). Patients with pleural effusions were not enrolled, but were further evaluated by pleural fluid cytology. Patients were excluded from the study if a diagnosis had already been made based on sputum cytology and/or bronchoscopic histology (making TUS biopsy unnecessary) or if their lung lesions could not be visualized under standard US. Under FNAB, 34 consolidations were ascribed to pneumonia and 65 to cancer. Under TUS, tissue stiffness, detected using a convex multifrequency 2-8-mHz probe and a MyLab™Twice - ElaXto, was scored from 1 (greatest elasticity) to 5 (no elasticity). Subpleural solid masses (2-5 cm) were initially detected by TUS and subsequently assessed by FNAB. RESULTS Histological diagnoses were: small cell lung cancer (4/61), adenocarcinoma (29/61), squamous cell carcinoma (SCC) (12/61), large cell lung carcinoma (12/61), and lymphomas (4/61). Patients' age and mass sizes (3.06 ± 0.88 cm) were not significantly associated with any histological type. A significant lower elasticity of SCC (4.67 ± 0.492) was observed versus other types of lung cancer (P < 0.005), and versus pneumonia (2.35 ± 0.48). CONCLUSION Since only squamous cell lung carcinoma displays the feature of significantly reduced elasticity, and since no clear-cut diagnostic key is yet available, the clinical usefulness of TUS elastography is currently limited with a view to characterizing tumors. Nevertheless, it does enable good non-invasive imaging of lung nodules, providing information on their stiffness, and can improve the accuracy and yield of FNAB.
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Affiliation(s)
- Marco Sperandeo
- IRCCS Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | | | - Lucia Dimitri
- IRCCS Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | | | - Anna Simeone
- IRCCS Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
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Czarnecka K, Yasufuku K. The role of endobronchial ultrasound/esophageal ultrasound for evaluation of the mediastinum in lung cancer. Expert Rev Respir Med 2015; 8:763-76. [PMID: 25395019 DOI: 10.1586/17476348.2014.985210] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The introduction: of ultrasound-based, minimally invasive techniques (Endobronchial Ultrasound guided Transbronchial Needle Aspiration (EBUS-TBNA) and Esophageal Ultrasound guided Fine Needle Aspiration) has revolutionized care of patients with lung cancer needing mediastinal lymph node sampling. When combined, the techniques offer safe and accurate assessment of mediastinum, with accuracy surpassing that of the pervious gold standard - cervical mediastinoscopy. EBUS-TBNA can be used for mediastinal restaging in both, patients with suspected recurrence following treatment for primary lung cancer and followingneoadjuvant therapy in preparation for definitive surgical intervention. Both EBUS-TBNA and esophageal ultrasound guided fine needle aspiration techniques have been shown to provide sufficient material for molecular and DNA testing, extending their role beyond initial evaluation of the mediastinum to help direct and personalize medical treatment and predict response to therapy. In the future, assessing sonographic features of lymph nodesmay become useful in predicting nodal metastasis, further increasing the sensitivity of these techniques for detection of metastatic disease.
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Affiliation(s)
- Kasia Czarnecka
- Division of Respirology and Thoracic Surgery, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Canada
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Qiu T, Zhu H, Cai M, Han Q, Shi J, Wang K. Liquid-Based Cytology Preparation Can Improve Cytological Assessment of Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration. Acta Cytol 2015; 59:139-43. [PMID: 25823893 DOI: 10.1159/000376545] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Accepted: 01/27/2015] [Indexed: 02/04/2023]
Abstract
OBJECTIVE This study investigated whether liquid-based cytology (LBC) can improve diagnostic values of cytological assessment of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA). STUDY DESIGN A cohort of 600 cases in West China Hospital was prospectively studied from June 2012 to September 2013. EBUS-TBNA was carried out in outpatients under local anesthesia and moderate sedation. The procedure was performed with an echobronchoscope (BF-UC160F-OL8, Olympus, Tokyo, Japan). Histological cores were stained with hematoxylin and eosin for further study. Additional immunohistological analysis was performed for establishing a reliable diagnosis when necessary. Aspirates were smeared on glass slides and separate aspirates were processed by the monolayer SurePath method. RESULTS In total, 480 malignant tumors and 120 benign lesions were confirmed by histological examination. The sensitivity of SurePath liquid-based preparations and conventional smears was 82.1 and 56%, and the specificity was 87.5 and 82.5%, respectively. The combined specificity was 100%. Positive predictive values of the two groups were 96.3 and 92.8%, whereas negative predictive values were 54.9 and 31.9%, respectively. The difference between the two groups was significant (p < 0.001). CONCLUSIONS LBC preparation can improve cytological assessment of EBUS-TBNA. Histological study is necessary in cases in which the cytological diagnosis is obscure.
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Affiliation(s)
- Ting Qiu
- Department of Respiratory Medicine, West China Hospital of Sichuan University, Chengdu, PR China
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Endobronchial ultrasound-guided transbronchial needle aspiration for staging patients with lung cancer with clinical N0 disease. Ann Am Thorac Soc 2015; 12:297-9. [PMID: 25786148 DOI: 10.1513/annalsats.201501-065ed] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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Geake J, Hammerschlag G, Nguyen P, Wallbridge P, Jenkin GA, Korman TM, Jennings B, Johnson DF, Irving LB, Farmer M, Steinfort DP. Utility of EBUS-TBNA for diagnosis of mediastinal tuberculous lymphadenitis: a multicentre Australian experience. J Thorac Dis 2015; 7:439-48. [PMID: 25922723 PMCID: PMC4387413 DOI: 10.3978/j.issn.2072-1439.2015.01.33] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Accepted: 12/17/2014] [Indexed: 12/23/2022]
Abstract
BACKGROUND Endobronchial ultrasound (EBUS) transbronchial needle aspiration (TBNA) is an important diagnostic procedure for the interrogation of mediastinal lymph nodes. There is limited data describing the accuracy & safety of this technique for the diagnosis of tuberculous mediastinal lymphadenitis. METHODS A multi-centre retrospective study of all EBUS-guided TBNA procedures that referred samples for mycobacteriology was performed. Results were correlated with post-procedural diagnoses after a period of surveillance and cross-checked against relevant statewide tuberculosis (TB) registries, and sensitivity and specificity was calculated. In addition, nucleic acid amplification techniques (NAAT) were assessed, and sensitivity and specificity calculated using positive mycobacterial culture as the reference gold standard. RESULTS One hundred and fifty-nine patients underwent EBUS-TBNA and had tissue referred for mycobacterial culture, of which 158 were included in the final analysis. Thirty-nine were ultimately diagnosed with TB (25%). Sensitivity of EBUS-TBNA for microbiologically confirmed tuberculous mediastinal lymphadenitis was 62% (24/39 cases). Specificity was 100%. Negative predictive value (NPV) and diagnostic accuracy for microbiologic diagnosis was 89% [95% confidence intervals (CI), 82-93%] and 91% (95% CI, 84-94%) respectively. For a composite clinicopathologic diagnosis of TB NPV and accuracy were 98% (95% CI, 93-99%) and 98% (95% CI, 95-99%) respectively. Sensitivity for NAAT was 38% (95% CI, 18-65%). CONCLUSIONS EBUS-TBNA is a safe and well tolerated procedure in the assessment of patients with suspected isolated mediastinal lymphadenitis and demonstrates good sensitivity for a microbiologic diagnosis of isolated mediastinal lymphadenitis. When culture and histological results are combined with high clinical suspicion, EBUS-TBNA demonstrates excellent diagnostic accuracy and NPV for the diagnosis of mediastinal TB lymphadenitis. We suggest EBUS-TBNA should be considered the procedure of choice for patients in whom TB is suspected.
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Evison M, Morris J, Martin J, Shah R, Barber PV, Booton R, Crosbie PAJ. Nodal staging in lung cancer: a risk stratification model for lymph nodes classified as negative by EBUS-TBNA. J Thorac Oncol 2015; 10:126-33. [PMID: 25371076 DOI: 10.1097/jto.0000000000000348] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
BACKGROUND Over the last 10 years, endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) has become established as the first-line nodal staging procedure of choice for lung cancer patients. However, the pathway for patients following a negative EBUS-TBNA has not been clearly defined. The primary aim of this study was to develop and validate a risk stratification model to categorize lymph nodes deemed negative by EBUS-TBNA into "low-risk" and "high-risk" groups, where "risk" refers to the risk of false negative sampling. METHODS A retrospective analysis of a prospectively maintained database at a UK tertiary EBUS-TBNA centre was performed. Only patients with primary lung cancer and only negative lymph nodes by EBUS-TBNA were included in the analysis. A risk stratification model was built from a derivation set using independent predictors of malignancy and the validation set used to evaluate the constructed model. The study period was from March 2010 to August 2013. RESULTS Three hundred twenty-nine lymph nodes were included in the analysis (derivation set n = 196, validation set n = 133). Lymph node standardized uptake value, the standardized uptake value ratio between the lymph node and primary tumor, and heterogeneous echogenicity during sonographic assessment were the only independent predictors of malignancy. Using a simplified scoring system based on the natural logs of the odds ratios from the multivariable analysis on the derivation sample, lymph nodes can be stratified into low risk (score ≤1) and high risk (score ≥2). One hundred forty-one of 142 and 94 of 96 lymph nodes classified as low risk in the derivation and validation set, respectively, were ultimately proven to be benign and 35 of 54 and 24 of 37 lymph nodes classified as high risk were proven malignant. The negative predictive value of the risk stratification model for the derivation set and validation set was 99.3% (95% confidence interval 96.1%-99.6%) and 97.9% (95% confidence interval 92%-99.6%), respectively. CONCLUSION This risk stratification model may assist lung cancer multidisciplinary teams in deciding which patients need further staging procedures and which may proceed directly to treatment after a negative EBUS.
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Affiliation(s)
- Matthew Evison
- *North West Lung Centre, University Hospital of South Manchester, Manchester, United Kingdom; †The Institute of Inflammation and Repair, The University of Manchester, Manchester, United Kingdom; and Departments of ‡Medical Statistics and §Thoracic Surgery, University Hospital of South Manchester, Manchester, United Kingdom
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Hsu LH, Liu CC, Ko JS, Chen CC, Feng AC. Safety of interventional bronchoscopy through complication review at a cancer center. CLINICAL RESPIRATORY JOURNAL 2014; 10:359-67. [PMID: 25307369 DOI: 10.1111/crj.12225] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Revised: 09/13/2014] [Accepted: 09/26/2014] [Indexed: 12/28/2022]
Abstract
BACKGROUND AND AIMS There have been rapid advances in the area of interventional bronchoscopy over the past 15 years, but associated complications have been rarely discussed. A longitudinal evaluation of the same operator's performance at a cancer center is reported. METHODS A detailed record review of diagnostic and therapeutic bronchoscopy between January 1997 and March 2013 was conducted. RESULTS Among the 1358 diagnostic bronchoscopies, there were nine major complications requiring premature termination and three pneumothoraces found during follow-up (0.88%). An escalation in the level of care was required for four patients with massive bleeding, asthma attack, sedation intoxication and myocardial ischemia, respectively. Six cases occurred after brushing (0.71%), and five cases before any sampling procedure was conducted. The complication rate was highest for peripheral lesions (1.03%). Among the 109 therapeutic bronchoscopies, no major patient-specific complication occurred except for excessive granulation tissue formation following metallic stenting in one patient with benign tracheal stenosis. CONCLUSION The complication rate with regard to bronchoscopy is comparable with historical controls according to the related literature, and their occurrence appears to be sporadic, not relevant to patient characteristics and mostly related to the bronchoscopy itself rather than the introduction of new techniques. Bronchoscopy remains safe along with technical innovations. However, risk recognition and effective prevention is essential.
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Affiliation(s)
- Li-Han Hsu
- Department of Medicine, National Yang-Ming University Medical School, Taipei, Taiwan.,Division of Pulmonary and Critical Care Medicine, Sun Yat-Sen Cancer Center, Taipei, Taiwan
| | - Chia-Chuan Liu
- Division of Thoracic Surgery, Sun Yat-Sen Cancer Center, Taipei, Taiwan
| | - Jen-Sheng Ko
- Department of Pathology, Sun Yat-Sen Cancer Center, Taipei, Taiwan
| | - Chao-Chun Chen
- Division of Cardiology, Sun Yat-Sen Cancer Center, Taipei, Taiwan
| | - An-Chen Feng
- Department of Research, Sun Yat-Sen Cancer Center, Taipei, Taiwan
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Rintoul RC, Ahmed R, Dougherty B, Carroll NR. Linear endobronchial ultrasonography: a novelty turned necessity for mediastinal nodal assessment. Thorax 2014; 70:175-80. [DOI: 10.1136/thoraxjnl-2014-205635] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Goyal G, Pisani MA, Murphy TE, Araujo KL, Puchalski JT. Advanced diagnostic bronchoscopy using conscious sedation and the laryngeal nerve block: tolerability, thoroughness, and diagnostic yield. Lung 2014; 192:905-13. [PMID: 24972639 DOI: 10.1007/s00408-014-9607-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Accepted: 05/24/2014] [Indexed: 10/25/2022]
Abstract
PURPOSE Although bronchoscopy has conventionally been performed using conscious sedation, advanced diagnostic techniques like endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA), peripheral EBUS, and electromagnetic navigational bronchoscopy add to procedural complexity. The adaptation of these techniques by bronchoscopists of varied backgrounds is expanding. It is not clear how patients will tolerate these advanced procedures when they are performed using traditional conscious sedation. METHODS We prospectively studied patients that underwent diagnostic bronchoscopic procedures using conscious sedation over a 1-year period. The primary outcome was patient tolerability measured with four questions soliciting subjective responses. Secondary outcomes included required dosage of medications, thoroughness of the procedure, diagnostic yield, and occurrence of complications. RESULTS A total of 181 patients were enrolled. Compared to patients in whom conventional bronchoscopy with transbronchial biopsies were performed, there was no difference in patient tolerability using the advanced techniques. Although some of the advanced procedures added to the procedure time, the required amount of medication was within commonly accepted dosages. When EBUS-TBNA was performed, a mean of 2.8 lymph node stations per patient were sampled. A specific diagnosis was obtained in 55.9 % of patients who solely underwent EBUS-TBNA. The diagnostic yield increased to 75.7 % when a parenchymal abnormality prompted additional biopsies. One patient required sedation reversal. Complications were minimal. CONCLUSIONS This study suggests that advanced diagnostic bronchoscopic procedures are well tolerated using conscious sedation with no compromise of thoroughness, diagnostic yield, or safety. This may be useful for bronchoscopists using these techniques who do not have ready access to general anesthesia.
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Affiliation(s)
- Geetinder Goyal
- Pulmonary, Critical Care and Sleep Medicine, Yale University School of Medicine, 15 York Street, LCI 100, New Haven, CT, 06510, USA
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Yang B, Li F, Shi W, Liu H, Sun S, Zhang G, Jiao S. Endobronchial ultrasound-guided transbronchial needle biopsy for the diagnosis of intrathoracic lymph node metastases from extrathoracic malignancies: A meta-analysis and systematic review. Respirology 2014; 19:834-41. [PMID: 24935652 DOI: 10.1111/resp.12335] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Revised: 03/13/2014] [Accepted: 04/22/2014] [Indexed: 12/26/2022]
Affiliation(s)
- Bo Yang
- Department of Oncology; General Hospital of Chinese PLA; Beijing 100853 China
| | - Fang Li
- Department of Oncology; General Hospital of Chinese PLA; Beijing 100853 China
| | - Weiwei Shi
- Department of Oncology; General Hospital of Chinese PLA; Beijing 100853 China
| | - Hui Liu
- Department of Oncology; General Hospital of Chinese PLA; Beijing 100853 China
| | - Shengjie Sun
- Department of Oncology; General Hospital of Chinese PLA; Beijing 100853 China
| | - Guoqing Zhang
- Department of Oncology; General Hospital of Chinese PLA; Beijing 100853 China
| | - Shunchang Jiao
- Department of Oncology; General Hospital of Chinese PLA; Beijing 100853 China
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VanderLaan PA, Wang HH, Majid A, Folch E. Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA): An overview and update for the cytopathologist. Cancer Cytopathol 2014; 122:561-76. [DOI: 10.1002/cncy.21431] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Accepted: 03/27/2014] [Indexed: 12/12/2022]
Affiliation(s)
- Paul A. VanderLaan
- Department of Pathology, Division of Cytopathology, Beth Israel Deaconess Medical Center; Harvard Medical School; Boston Massachusetts
| | - Helen H. Wang
- Department of Pathology, Division of Cytopathology, Beth Israel Deaconess Medical Center; Harvard Medical School; Boston Massachusetts
| | - Adnan Majid
- Department of Surgery, Division of Thoracic Surgery and Interventional Pulmonology, Beth Israel Deaconess Medical Center; Harvard Medical School; Boston Massachusetts
| | - Erik Folch
- Department of Surgery, Division of Thoracic Surgery and Interventional Pulmonology, Beth Israel Deaconess Medical Center; Harvard Medical School; Boston Massachusetts
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Wahidi MM, Yasufuku K. Rebuttal from Drs Wahidi and Yasufuku. Chest 2014; 144:737-738. [PMID: 24008950 DOI: 10.1378/chest.13-0703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Affiliation(s)
- Momen M Wahidi
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Duke University Medical Center, Durham, NC.
| | - Kazuhiro Yasufuku
- Department of Surgery, Division of Thoracic Surgery, University of Toronto, Toronto, ON, Canada
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Rintoul RC, Glover MJ, Jackson C, Hughes V, Tournoy KG, Dooms C, Annema JT, Sharples LD. Cost effectiveness of endosonography versus surgical staging in potentially resectable lung cancer: a health economics analysis of the ASTER trial from a European perspective. Thorax 2013; 69:679-81. [DOI: 10.1136/thoraxjnl-2013-204374] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Pastis NJ. The American College of Chest Physicians Lung Cancer Guidelines (3rd edition): is the pulmonologist moving from special teams to quarterback? Chest 2013; 143:1193-1195. [PMID: 23648897 DOI: 10.1378/chest.12-3108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Affiliation(s)
- Nicholas J Pastis
- Division of Pulmonary, Critical Care, Allergy, and Sleep Medicine, Medical University of South Carolina, Charleston, SC.
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Bugalho A, Ferreira D, Barata R, Rodrigues C, Dias SS, Medeiros F, Carreiro L. [Endobronchial ultrasound-guided transbronchial needle aspiration for lung cancer diagnosis and staging in 179 patients]. REVISTA PORTUGUESA DE PNEUMOLOGIA 2013; 19:192-9. [PMID: 23850376 DOI: 10.1016/j.rppneu.2012.10.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2012] [Revised: 10/24/2012] [Accepted: 10/25/2012] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Linear endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is an important minimally invasive procedure for non-small cell lung cancer (NSCLC) staging. It is also a valid method for diagnosing extraluminal lesions adjacent to the tracheobronchial tree. AIM To evaluate our EBUS-TBNA performance regarding diagnostic yield, safety and learning curve for lung cancer diagnosis and staging. MATERIAL AND METHODS All patients undergoing EBUS-TBNA for lung cancer diagnosis or staging were included. They were divided into three different groups: paratracheal and parabronchial masses sent for diagnosis (Group 1); peripheral lung lesions with abnormal mediastinal lymph nodes sent for diagnosis and staging (Group 2); NSCLC patients sent for mediastinal staging (Group 3). The learning curve was assessed for yield, accuracy, procedure time, size and number of lesions punctured per patient. RESULTS A total of 179 patients were included and 372 lesions were punctured. The overall yield and accuracy were 88% and 92.7%, respectively. In Group 1, EBUS-TBNA was performed in 48 patients and sensitivity was 86.1% and accuracy was 87.5%. For the 87 patients included in Group 2, yield was 86.7%, accuracy was 93.1% and cancer prevalence was 51.7%. The diagnostic yield and accuracy in Group 3 was 95% and 97.7% respectively. EBUS-TBNA practice led to an increase number of sites punctured per patient in a shorter time, without complications. CONCLUSION EBUS-TBNA is an effective method for diagnosing and staging lung cancer patients. The procedure is clearly safe. Handling and performance improves with the number of procedures executed.
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Affiliation(s)
- A Bugalho
- Unidade de Técnicas Invasivas Pneumológicas, Pneumologia II, Hospital Pulido Valente, Lisboa, Portugal; Unidade de Pneumologia de Intervenção, Hospital Beatriz Ângelo, Loures, Portugal; Centro de Estudos de Doenças Crónicas (CEDOC), Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisboa, Portugal.
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Abstract
Interventional pulmonologists are regularly asked to perform more complicated and advanced procedures, but reimbursement for the time, effort and skill involved in these procedures has not kept up with other procedural specialties. Further changes in funding and reimbursement are likely under the Affordable Care Act. Understanding and effectively using the current system of funding for interventional pulmonology practices are imperative as we adapt to changing medical needs, legislative mandates, and reimbursement policy. This article reviews the current landscape of insurance and reimbursement in health care and anticipates some changes that might be expected from implementation of the Affordable Care Act.
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Affiliation(s)
- Christopher T Erb
- Pulmonary, Critical Care and Sleep Medicine, Yale School of Medicine, New Haven, CT 06510, USA
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Pastis NJ, Silvestri GA, Shepherd RW. Quality-of-life improvement and cost-effectiveness of interventional pulmonary procedures. Clin Chest Med 2013; 34:593-603. [PMID: 23993826 DOI: 10.1016/j.ccm.2013.03.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Most interventional pulmonology studies focus on the technical success of procedures without measuring validated quality-of-life (QoL) outcomes. Studies are now incorporating end points that include QoL measurements and there are examples of interventional procedures that likely improve QoL. It is vital for the interventional pulmonary literature to incorporate cost-effectiveness when introducing new technology. While not uniformly analyzed in a rigorous manner in all studies, there are examples of interventional pulmonary studies that analyze cost-effectiveness through avoidance of more expensive procedures, cost savings per day free of emergency room visit, or cost savings per day not requiring intensive care unit care.
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Affiliation(s)
- Nicholas J Pastis
- Division of Pulmonary, Critical Care, Allergy, and Sleep Medicine, Medical University of South Carolina, Charleston, SC 29425, USA.
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Endobronchial ultrasound-guided transbronchial needle aspiration: determinants of sampling adequacy. J Bronchology Interv Pulmonol 2013. [PMID: 23207525 DOI: 10.1097/lbr.0b013e31826e361c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
BACKGROUND Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is increasingly used to sample mediastinal and hilar lymph nodes and has excellent diagnostic test characteristics. The determinants of sampling adequacy, however, have not been extensively examined. We set out to determine which procedural variables were associated with acquisition of tissue sufficient for pathologic analysis during EBUS-TBNA. METHODS A retrospective analysis of all EBUS-TBNA cases performed over 32 months by 10 proceduralists at our institution was completed. Variables potentially associated with sampling adequacy were analyzed. RESULTS A total of 1304 procedures performed by 10 proceduralists while the patient received conscious sedation were included for analysis. Sampling adequacy was 94.2% overall and varied with the primary proceduralist (87% to 99.2%; P<0.001). Diagnostic yield per procedure for malignancy or a specific benign diagnosis was 43.2% overall. Proceduralists with a higher average number of lymph node stations sampled per procedure had improved sampling adequacy (parameter estimate=1.32; P=0.007). Sampling adequacy was lower with lymph nodes smaller than 10 mm (parameter estimate=-0.7; P=0.002) but was not associated with procedural environment (hospital procedural suite vs. clinic-based procedural suite) (P=0.08), lymph node station (P=0.69), propofol use (P=0.90), or average annual proceduralist cases performed (P=0.21). Only 6/216 (2.8%) patients had subsequent procedures (EBUS-TBNA or surgery) that indicated the initial EBUS-TBNA had inadequate sampling potentially leading to a missed cancer diagnosis. CONCLUSIONS Excellent EBUS-TBNA sampling adequacy can be achieved by pulmonologists in a large group setting, who are not exclusively dedicated to interventional pulmonary medicine, using only moderate conscious sedation.
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Asano F, Aoe M, Ohsaki Y, Okada Y, Sasada S, Sato S, Suzuki E, Semba H, Fukuoka K, Fujino S, Ohmori K. Complications associated with endobronchial ultrasound-guided transbronchial needle aspiration: a nationwide survey by the Japan Society for Respiratory Endoscopy. Respir Res 2013; 14:50. [PMID: 23663438 PMCID: PMC3655828 DOI: 10.1186/1465-9921-14-50] [Citation(s) in RCA: 174] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Accepted: 05/07/2013] [Indexed: 12/12/2022] Open
Abstract
Background With the recent widespread use of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA), there have been occasional reports on complications associated with its use. Previous reviews on EBUS-TBNA have been limited to studies by skilled operators, thus the results may not always be applicable to recent clinical practice. To assess the safety of EBUS-TBNA for the staging and diagnosis of lung cancer in Japan, a nationwide survey on its current usage status and complications associated with its use was conducted by the Japan Society for Respiratory Endoscopy (JSRE). Methods A questionnaire about EBUS-TBNA performed between January 2011 and June 2012 was mailed to 520 JSRE-accredited facilities. Results Responses were obtained from 455 facilities (87.5%). During the study period, EBUS-TBNA was performed in 7,345 cases in 210 facilities (46.2%) using a convex probe ultrasound bronchoscope, for 6,836 mediastinal and hilar lesions and 275 lung parenchymal lesions. Ninety complications occurred in 32 facilities. The complication rate was 1.23% (95% confidence interval, 0.97%-1.48%), with hemorrhage being the most frequent complication (50 cases, 0.68%). Infectious complications developed in 14 cases (0.19%) (Mediastinitis, 7; pneumonia, 4; pericarditis, 1; cyst infection, 1; and sepsis, 1). Pneumothorax developed in 2 cases (0.03%), one of which required tube drainage. Regarding the outcome of the cases with complications, prolonged hospitalization was observed in 14 cases, life-threatening conditions in 4, and death in 1 (severe cerebral infarction) (mortality rate, 0.01%). Breakage of the ultrasound bronchoscope occurred in 98 cases (1.33%) in 67 facilities (31.9%), and that of the puncture needle in 15 cases (0.20%) in 8 facilities (3.8%). Conclusions Although the complication rate associated with EBUS-TBNA was found to be low, severe complications, including infectious complications, were observed, and the incidence of device breakage was high. Since the use of EBUS-TBNA is rapidly expanding in Japan, an educational program for its safe performance should be immediately established.
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Affiliation(s)
- Fumihiro Asano
- Safety Management Committee, Japan Society for Respiratory Endoscopy, Tokyo, Japan.
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Wet laboratory versus computer simulation for learning endobronchial ultrasound: a randomized trial. Can Respir J 2013; 19:325-30. [PMID: 23061078 DOI: 10.1155/2012/785192] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Linear endobronchial ultrasound with transbronchial needle aspiration (EBUS-TBNA) is a revolutionary bronchoscopic procedure that is challenging to learn. OBJECTIVES To compare two methods used to teach EBUS-TBNA: wet laboratory (lab) versus computer EBUS-TBNA simulation. METHODS A prospective, randomized study of respirologists, thoracic surgeons and trainees learning EBUS-TBNA at a two-day continuing medical education course. All subjects received education via a series of lectures and live cases, followed by randomization to learn EBUS-TBNA predominantly either by wet lab simulation (n=6) or computer simulation (n=6). All subjects then completed testing of their EBUS-TBNA skills via a previously validated method using simulated cases on EBUS-TBNA simulators and questionnaires evaluating learner preferences. RESULTS There were no significant differences between the computer EBUS-TBNA simulator group and the wet lab group in procedure time (25.3±6.1 min versus 25.2±2.5 min; P=0.984) and percentage of successful biopsies (81.3±14.9% versus 74.0±17.3%; P=0.453). The computer simulator group performed significantly better than the wet lab group in the percentage of lymph nodes correctly identified (70.4±16.7% versus 42.9±19.9%; P=0.002). Wet lab simulation was associated with increased learner confidence with operating the real EBUS-TBNA bronchoscope. All subjects responded that wet lab and computer EBUS-TBNA simulation offered important complementary learning opportunities. CONCLUSION Computer EBUS-TBNA simulation and wet lab simulation are effective methods of learning basic EBUS-TBNA skills and appeared to be complementary.
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