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Shah R, Sun L, Ridge CA. Image guided lung biopsy. Lung Cancer 2024; 192:107803. [PMID: 38749073 DOI: 10.1016/j.lungcan.2024.107803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Accepted: 04/24/2024] [Indexed: 06/07/2024]
Abstract
Image guided lung biopsy is vital in the evaluation of pulmonary abnormalities. Various modalities can be used including Ultrasound, Computed Tomography and Navigational Bronchoscopy. In this paper, we review the indications, techniques, diagnostic accuracy and complications of image guided biopsies and the role of novel techniques such as navigational and robot-assisted bronchoscopy.
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Affiliation(s)
- R Shah
- Royal Brompton and Harefield Hospitals, United Kingdom
| | - L Sun
- Royal Brompton and Harefield Hospitals, United Kingdom
| | - C A Ridge
- National Heart and Lung Institute, Imperial College London, United Kingdom
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Wang XY, Yuan ZF, Gan KH, Zhong Y, Huang JX, Huang WJ, Xie YH, Pei XQ. Contrast-enhanced Imaging in Peripheral Pulmonary Lesions: The Role in US-guided Biopsies. Radiol Cardiothorac Imaging 2024; 6:e230234. [PMID: 38695742 DOI: 10.1148/ryct.230234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2024]
Abstract
Purpose To compare the tissue adequacy and diagnostic accuracy of US-guided biopsies of peripheral pulmonary lesions (PPLs) with and without contrast agents. Materials and Methods A retrospective study was conducted at four medical centers in patients with PPLs who underwent US-guided percutaneous transthoracic needle biopsy (PTNB) between January 2017 and October 2022. The patients were divided into contrast-enhanced US (CEUS) and US groups based on whether prebiopsy CEUS evaluation was performed. Tissue adequacy and the diagnostic accuracy of PTNB, stratified by lesion size, were analyzed and compared between groups. A propensity score matching (PSM) analysis was conducted using the nearest-neighbor matching method. Results A total of 1027 lesions were analyzed, with 634 patients (mean age, 59.4 years ± 13.0 [SD]; 413 male) in the US group and 393 patients (mean age, 61.2 years ± 12.5; 270 male) in the CEUS group. The CEUS group produced more acceptable samples than the US group (98.2% vs 95.7%; P = .03) and achieved higher diagnostic accuracy (96.9% vs 94.2%; P = .04), with no evidence of a difference in sensitivity (96.7% vs 94.0%; P = .06). PSM and stratified analyses (n = 358 per group) indicated higher tissue adequacy (99.0% vs 95.7%; P = .04) and diagnostic accuracy (98.5% vs 92.9%; P = .006) in the CEUS group compared with the US group for 2-7-cm PPLs but not for lesions larger than 7 cm. Conclusion PTNB with prebiopsy CEUS evaluation demonstrated significantly better tissue adequacy and diagnostic accuracy compared with US guidance alone for PPLs ranging from 2 to 7 cm, with similar biopsy performance achieved between groups for lesions larger than 7 cm. Keywords: Contrast Material, Thoracic Diseases, Ultrasonography, Image-Guided Biopsy © RSNA, 2024.
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Affiliation(s)
- Xue-Yan Wang
- From the Department of Medical Ultrasound, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, China (X.Y.W., J.X.H., X.Q.P.); Department of Medical Ultrasound, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China (Z.F.Y., Y.H.X.); Department of Medical Ultrasound, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China (K.H.G.); and Department of Medical Ultrasound, The First People's Hospital of Foshan, Foshan, China (Y.Z., W.J.H.)
| | - Zhi-Fan Yuan
- From the Department of Medical Ultrasound, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, China (X.Y.W., J.X.H., X.Q.P.); Department of Medical Ultrasound, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China (Z.F.Y., Y.H.X.); Department of Medical Ultrasound, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China (K.H.G.); and Department of Medical Ultrasound, The First People's Hospital of Foshan, Foshan, China (Y.Z., W.J.H.)
| | - Ke-Hong Gan
- From the Department of Medical Ultrasound, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, China (X.Y.W., J.X.H., X.Q.P.); Department of Medical Ultrasound, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China (Z.F.Y., Y.H.X.); Department of Medical Ultrasound, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China (K.H.G.); and Department of Medical Ultrasound, The First People's Hospital of Foshan, Foshan, China (Y.Z., W.J.H.)
| | - Yuan Zhong
- From the Department of Medical Ultrasound, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, China (X.Y.W., J.X.H., X.Q.P.); Department of Medical Ultrasound, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China (Z.F.Y., Y.H.X.); Department of Medical Ultrasound, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China (K.H.G.); and Department of Medical Ultrasound, The First People's Hospital of Foshan, Foshan, China (Y.Z., W.J.H.)
| | - Jia-Xin Huang
- From the Department of Medical Ultrasound, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, China (X.Y.W., J.X.H., X.Q.P.); Department of Medical Ultrasound, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China (Z.F.Y., Y.H.X.); Department of Medical Ultrasound, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China (K.H.G.); and Department of Medical Ultrasound, The First People's Hospital of Foshan, Foshan, China (Y.Z., W.J.H.)
| | - Wei-Jun Huang
- From the Department of Medical Ultrasound, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, China (X.Y.W., J.X.H., X.Q.P.); Department of Medical Ultrasound, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China (Z.F.Y., Y.H.X.); Department of Medical Ultrasound, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China (K.H.G.); and Department of Medical Ultrasound, The First People's Hospital of Foshan, Foshan, China (Y.Z., W.J.H.)
| | - Yu-Huan Xie
- From the Department of Medical Ultrasound, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, China (X.Y.W., J.X.H., X.Q.P.); Department of Medical Ultrasound, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China (Z.F.Y., Y.H.X.); Department of Medical Ultrasound, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China (K.H.G.); and Department of Medical Ultrasound, The First People's Hospital of Foshan, Foshan, China (Y.Z., W.J.H.)
| | - Xiao-Qing Pei
- From the Department of Medical Ultrasound, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, China (X.Y.W., J.X.H., X.Q.P.); Department of Medical Ultrasound, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China (Z.F.Y., Y.H.X.); Department of Medical Ultrasound, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China (K.H.G.); and Department of Medical Ultrasound, The First People's Hospital of Foshan, Foshan, China (Y.Z., W.J.H.)
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Hasselbring F, Herth FJF, Kriegsmann M, Kriegsmann K, Eberhardt R. Transbronchial Cryobiopsy Using the Ultrathin 1.1-mm Cryoprobe with Ultrathin Bronchoscopy under Radial Endobronchial Ultrasound Guidance for Diagnosis of Peripheral Pulmonary Lesions. Respiration 2024; 103:268-274. [PMID: 38471486 DOI: 10.1159/000538196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 02/19/2024] [Indexed: 03/14/2024] Open
Abstract
INTRODUCTION Today, the increasing number of incidentally detected peripheral pulmonary lesions (PPLs) within and outside lung cancer screening trials is a diagnostic challenge. This fact encourages further improvement of diagnostic procedures to increase the diagnostic yield of transbronchial biopsy, which has been shown to have a low complication rate. The purpose of this study was to evaluate the safety and feasibility of a new ultrathin 1.1 cryoprobe that can be placed through an ultrathin bronchoscope (UTB) using fluoroscopy and radial endobronchial ultrasonography (rEBUS) navigation for assessing PPLs. METHODS Thirty-five patients with PPL less than 4 cm in diameter were prospectively enrolled to receive transbronchial cryobiopsies (TBCBs) using the ultrathin 1.1-mm cryoprobe. Navigation to the PPL was accomplished with the UTB. Under rEBUS and fluoroscopy guidance up to 4 cryobiopsies were obtained. The sample sizes of the biopsies were compared to a historic collective derived from a 1.9-mm cryoprobe and standard forceps. The feasibility and safety of the procedure, the cumulative and overall diagnostic yield, and the cryobiopsy sizes were evaluated. RESULTS After detection with the rEBUS, TBCB was collected from 35 PPLs, establishing a diagnosis in 25 cases, corresponding to an overall diagnostic yield of 71.4%. There was no difference in diagnostic yield for PPL <20 mm or ≥20 mm. All cryobiopsies were representative with a mean tissue area of 11.9 ± 4.3 mm2, which was significantly larger compared to the historic collective (p = 0.003). Six mild and four moderate bleeding events and 1 case of pneumothorax were observed. CONCLUSIONS Using the ultrathin 1.1-mm cryoprobe combined with an UTB for rEBUS-guided TBCB of PPL is feasible and safe. This diagnostic approach improves bronchoscopic techniques for diagnosing peripheral lung lesions and may contribute to improve diagnosis of lung cancer even in small PPL.
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Affiliation(s)
- Franziska Hasselbring
- Department of Pneumology and Critical Care Medicine, Thoraxklinik, University of Heidelberg, Heidelberg, Germany
| | - Felix J F Herth
- Department of Pneumology and Critical Care Medicine, Thoraxklinik, University of Heidelberg, Heidelberg, Germany
- Translational Lung Research Center Heidelberg (TLRC-H), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Mark Kriegsmann
- Department of General Pathology, Institute of Pathology, Heidelberg University Hospital, Heidelberg, Germany
- Centre of Histology, Cytology and Molecular Pathology, Wiesbaden, Germany
| | - Katharina Kriegsmann
- Department of Hematology, Oncology, and Rheumatology, Heidelberg University Hospital, Heidelberg, Germany
- Laborarztpraxis Rhein-Main MVZ GbR, Frankfurt am Main, Germany
| | - Ralf Eberhardt
- Pneumology and Critical Care Medicine, Asklepios Klinik Barmbek, Hamburg, Germany
- Asklepios Tumor Center Hamburg (ATZHH), Hamburg, Germany
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Corcoran A, Franklin S, Hysinger E, Goldfarb S, Phinizy P, Pogoriler J, Tran S, DiBardino DM, Haas AR, Piccione JC. Diagnostic yield of endobronchial ultrasound and virtual CT navigational bronchoscopy for biopsy of pulmonary nodules, mediastinal lymph nodes, and thoracic tumors in children. Pediatr Pulmonol 2024; 59:371-378. [PMID: 37975500 DOI: 10.1002/ppul.26756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/20/2023] [Accepted: 11/01/2023] [Indexed: 11/19/2023]
Abstract
OBJECTIVE Endobronchial ultrasound-guided transbronchial biopsy and needle aspiration (EBUS-TBB/EBUS-TBNA) are first line investigative modalities for lung and mediastinal pathology in adults. We aimed to characterize and assess the diagnostic yield of EBUS and virtual CT navigation guided biopsies in children. STUDY DESIGN This single center, retrospective cohort study included patients who underwent radial or linear EBUS procedures (+/- CT navigation) for biopsy of mediastinal lymph nodes, tumors, and pulmonary nodules. Demographic, procedural, and outcome were collected. RESULTS Sixty procedures were performed in 56 patients aged 2-22 years of age between January 2015 and May 2023. The most common indications for biopsy were pulmonary nodules (45%) and hilar/mediastinal lymphadenopathy (33%). For cases in which a final diagnosis was ascertained by any means, the diagnostic yield for linear EBUS (mediastinal pathology) was 76% and the diagnostic yield from radial EBUS (pulmonary nodules and lung masses) was 85%. The most common diagnoses were infection (45%), malignancy (17%), and sarcoidosis (11%). Among patients in whom infection was the final diagnosis, a total of 31 pathogens were identified. Eighteen were identified on bronchoalveolar lavage and an additional 14 pathogens identified on EBUS-TBB, representing an increase of 77% (p < .005). The sensitivity, specificity, negative and positive predictive values for malignancy detection were 73%, 100%, 94%, and 100%, respectively. CONCLUSION EBUS-TBB/TBNA is a safe and effective way to diagnose lung and mediastinal pathology in children. Pediatric interventional pulmonology is a growing field offering minimally-invasive diagnostic opportunities for children in whom more invasive procedures were previously the only option.
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Affiliation(s)
- Aoife Corcoran
- Department of Pulmonary and Sleep Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Stephen Franklin
- Division of Pulmonary Medicine, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Erik Hysinger
- Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Samuel Goldfarb
- Division of Pulmonology, Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Pelton Phinizy
- Department of Pulmonary and Sleep Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Jennifer Pogoriler
- Department of Pathology and Laboratory Medicine, Children's Hospital Of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Sin Tran
- Department of Pulmonary and Sleep Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - David M DiBardino
- Section of Interventional Pulmonology, Division of Pulmonary, Allergy and Critical Care, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Andrew R Haas
- Section of Interventional Pulmonology, Division of Pulmonary, Allergy and Critical Care, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Joseph C Piccione
- Department of Pulmonary and Sleep Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
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Gesthalter YB, Channick CL. Interventional Pulmonology: Extending the Breadth of Thoracic Care. Annu Rev Med 2024; 75:263-276. [PMID: 37827195 DOI: 10.1146/annurev-med-050922-060929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
Interventional pulmonary medicine has developed as a subspecialty focused on the management of patients with complex thoracic disease. Leveraging minimally invasive techniques, interventional pulmonologists diagnose and treat pathologies that previously required more invasive options such as surgery. By mitigating procedural risk, interventional pulmonologists have extended the reach of care to a wider pool of vulnerable patients who require therapy. Endoscopic innovations, including endobronchial ultrasound and robotic and electromagnetic bronchoscopy, have enhanced the ability to perform diagnostic procedures on an ambulatory basis. Therapeutic procedures for patients with symptomatic airway disease, pleural disease, and severe emphysema have provided the ability to palliate symptoms. The combination of medical and procedural expertise has made interventional pulmonologists an integral part of comprehensive care teams for patients with oncologic, airway, and pleural needs. This review surveys key areas in which interventional pulmonologists have impacted the care of thoracic disease through bronchoscopic intervention.
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Affiliation(s)
- Yaron B Gesthalter
- Division of Pulmonary, Critical Care, Allergy, and Sleep Medicine, Department of Medicine, University of California San Francisco, San Francisco, California, USA;
| | - Colleen L Channick
- Division of Pulmonary, Critical Care Medicine, Clinical Immunology, and Allergy, Department of Medicine, University of California Los Angeles David Geffen School of Medicine, Los Angeles, California, USA;
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Chen JY, Yang H, Lin XD, Yang H, Wen J, Liu QW, Zhang LJ, Lin P, Fu JH, Leng CS, Yi R, Luo KJ. Diagnostic yield using electromagnetic navigation bronchoscopy for peripheral pulmonary nodules <2 cm. Ther Adv Respir Dis 2024; 18:17534666241249150. [PMID: 38757612 PMCID: PMC11102688 DOI: 10.1177/17534666241249150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 04/04/2024] [Indexed: 05/18/2024] Open
Abstract
BACKGROUND Although electromagnetic navigation bronchoscopy (ENB) is highly sensitive in the diagnosis of peripheral pulmonary nodules (PPNs), its diagnostic yield for subgroups of smaller PPNs is under evaluation. OBJECTIVES Diagnostic yield evaluation of biopsy using ENB for PPNs <2 cm. DESIGN The diagnostic yield, sensitivity, specificity, positive predictive value, and negative predictive value of the ENB-mediated biopsy for PPNs were evaluated. METHODS Patients who had PPNs with diameters <2 cm and underwent ENB-mediated biopsy between May 2015 and February 2020 were consecutively enrolled. The final diagnosis was made via pathological examination after surgery. RESULTS A total of 82 lesions from 65 patients were analyzed. The median tumor size was 11 mm. All lesions were subjected to ENB-mediated biopsy, of which 29 and 53 were classified as malignant and benign, respectively. Subsequent segmentectomy, lobectomy, or wedge resection, following pathological examinations were performed on 64 nodules from 57 patients. The overall sensitivity, specificity, positive predictive value, and negative predictive value for nodules <2 cm were 53.3%, 91.7%, 92.3%, and 51.2%, respectively. The receiver operating curve showed an area under the curve of 0.721 (p < 0.001). Additionally, the sensitivity, specificity, positive predictive value, and negative predictive value were 62.5%, 100%, 100%, and 42.9%, respectively, for nodules with diameters equal to or larger than 1 cm; and 30.8%, 86.7%, 66.7%, and 59.1%, respectively, for nodules less than 1 cm. In the subgroup analysis, neither the lobar location nor the distance of the PPNs to the pleura affected the accuracy of the ENB diagnosis. However, the spiculated sign had a negative impact on the accuracy of the ENB biopsy (p = 0.010). CONCLUSION ENB has good specificity and positive predictive value for diagnosing PPNs <2 cm; however, the spiculated sign may negatively affect ENB diagnostic accuracy. In addition, the diagnostic reliability may only be limited to PPNs equal to or larger than 1 cm.
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Affiliation(s)
- Jun-Ying Chen
- Department of Thoracic Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
- Guangdong Esophageal Cancer Institute, Guangzhou, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Han Yang
- Department of Thoracic Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Xiao-Dan Lin
- Department of Thoracic Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
- Guangdong Esophageal Cancer Institute, Guangzhou, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Hong Yang
- Department of Thoracic Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
- Guangdong Esophageal Cancer Institute, Guangzhou, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Jing Wen
- Department of Thoracic Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
- Guangdong Esophageal Cancer Institute, Guangzhou, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Qian-Wen Liu
- Department of Thoracic Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
- Guangdong Esophageal Cancer Institute, Guangzhou, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Lan-Jun Zhang
- Department of Thoracic Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Peng Lin
- Department of Thoracic Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Jian-Hua Fu
- Department of Thoracic Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Chang-Sen Leng
- Department of Thoracic Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
- Guangdong Esophageal Cancer Institute, Guangzhou, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Rong Yi
- Department of Thoracic Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
- Guangdong Esophageal Cancer Institute, Guangzhou, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Kong-Jia Luo
- Department of Thoracic Oncology, Sun Yat-sen University Cancer Center, 651 East Dongfeng Rd, Guangzhou 510060, China
- Guangdong Esophageal Cancer Institute, Guangzhou, China
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
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Guo C, Zhang Q, Hu Y, Huang J, Wang S, Wang G. DNA image cytometry of bronchial washing as a diagnostic adjunct to radial endobronchial ultrasound-guided sampling of peripheral lung lesions: A single center prospective study. THE CLINICAL RESPIRATORY JOURNAL 2024; 18:e13703. [PMID: 38083812 PMCID: PMC10775888 DOI: 10.1111/crj.13703] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 09/05/2023] [Accepted: 09/17/2023] [Indexed: 01/11/2024]
Abstract
OBJECTIVE The objective of this study is to study the adjunct role of combining DNA aneuploidy analysis with radial endobronchial ultrasound (R-EBUS)-guided sampling for diagnosis of peripheral lung lesions (PPLs). METHOD A single-center prospective study was conducted in patients undergoing R-EBUS-guided sampling for PPLs. DNA image cytometry (DNA-ICM) was used to analyze DNA aneuploidy in bronchial washing from the bronchial segment of the PPL. Clinical information, R-EBUS data, pathology, DNA-ICM results, and follow-up data were analyzed. Sensitivity, specificity, and predictive values for R-EBUS-guided sampling, DNA-ICM, and the two methods combined were measured. Binary logistic regression was performed to determine influencing factors on diagnostic positivity rate. Receiver operating characteristic (ROC) curve analysis was used to determine the optimal cutoff point for DNA-ICM. RESULTS A total of 101 patients were enrolled. Sixty-four (63.4%) patients had confirmed malignant tumor, of whom 33 were confirmed by R-EBUS-guided sampling (biopsy and/or bronchial brush and wash cytology), and 31 by surgery or percutaneous lung biopsy. Thirty-seven patients were finally considered to have benign lesions, based on clinical information and 1-year follow-up. The sensitivity for malignant disease was 51.6% by R-EBUS, and specificity was 100%. DNA-ICM had a sensitivity of 67.2% and a specificity of 86.5%. When combining the two methods, sensitivity increased to 78.1% and specificity was 86.5%. Lesion size and whether the R-EBUS probe was located in the lesion were significantly associated with positivity rate of the combined methods. The optimal cutoff point for DNA-ICM was 5c for max DNA content, and 1 for aneuploid cell count (sensitivity 67.2%, specificity 86.5%, accuracy 63.4%). CONCLUSION In malignant PPLs, DNA-ICM combined with R-EBUS-guided sampling can improve diagnostic positivity compared with either method alone.
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Affiliation(s)
- Cuiyan Guo
- Department of Respiratory and Critical Care MedicinePeking University First HospitalBeijingChina
| | - Qi Zhang
- Department of Respiratory and Critical Care MedicinePeking University First HospitalBeijingChina
| | - Yan Hu
- Department of Respiratory and Critical Care MedicinePeking University First HospitalBeijingChina
| | - Junfang Huang
- Department of Respiratory and Critical Care MedicinePeking University First HospitalBeijingChina
| | - Shixuan Wang
- Department of Respiratory and Critical Care MedicinePeking University First HospitalBeijingChina
| | - Guangfa Wang
- Department of Respiratory and Critical Care MedicinePeking University First HospitalBeijingChina
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Ali MS, Ghori UK, Wayne MT, Shostak E, De Cardenas J. Diagnostic Performance and Safety Profile of Robotic-assisted Bronchoscopy: A Systematic Review and Meta-Analysis. Ann Am Thorac Soc 2023; 20:1801-1812. [PMID: 37769170 DOI: 10.1513/annalsats.202301-075oc] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 09/27/2023] [Indexed: 09/30/2023] Open
Abstract
Rationale: Conventional electromagnetic navigation bronchoscopy and other guided bronchoscopic modalities have a very desirable safety profile, but their diagnostic yield is only 60-70% for pulmonary lesions. Recently, robotic-assisted bronchoscopy (RAB) platforms have been introduced to improve the diagnostic performance of bronchoscopic modalities. Objectives: To determine the diagnostic performance and safety profile of RAB (using shape-sensing and electromagnetic navigation-based platforms) by performing a systematic review and meta-analysis. Methods: The PubMed, Embase, and Google Scholar databases were searched to find studies that reported on the diagnostic performance and/or the safety profile of one of the RAB systems. The quality of included studies was assessed using the Quality Assessment of Diagnostic Accuracy Studies 2 tool. Meta-analysis was performed using MedCalc version 20.118. Pooled diagnostic yield was calculated using a Freeman-Tukey transformation. We planned to use a random-effects model if the I2 index was >40%. Results: Twenty-five studies were included: 20 including diagnostic and safety analyses and 5 including only safety analyses. The pooled diagnostic yield of RAB (20 studies, 1,779 lesions) was 84.3% (95% confidence interval, 81.1-87.2%). The I2 index was 65.6%. On the basis of our subgroup analyses, the heterogeneity was likely driven by differences in study designs (prospective vs. retrospective) and procedural protocols (such as different RAB systems). Lesion size > 2 cm, the presence of a computed tomography bronchus sign, and concentric radial endobronchial ultrasound view were associated with a statistically significant increase in the odds of diagnosis with RAB. The overall rates of pneumothorax, need for tube thoracostomy, and significant hemorrhage were 2.3%, 1.2%, and 0.5%, respectively. Conclusions: RAB systems have significantly increased the diagnostic yield of navigational bronchoscopy compared with conventional systems such as electromagnetic navigation bronchoscopy, but well-designed prospective studies are needed to better understand the impact of various factors, such as the use of three-dimensional imaging modalities, cryobiopsy, and specific ventilatory protocols, on the diagnostic yield of RAB.
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Affiliation(s)
- Muhammad Sajawal Ali
- Division of Pulmonary and Critical Care Medicine
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, New York
| | - Uzair Khan Ghori
- Division of Pulmonary, Critical Care and Sleep Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin; and
| | - Max Theodore Wayne
- Division of Pulmonary and Critical Care Medicine, University of Michigan, Ann Arbor, Michigan
| | - Eugene Shostak
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, New York
| | - Jose De Cardenas
- Division of Pulmonary, Critical Care and Sleep Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin; and
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Kunimasa K, Matsumoto S, Honma K, Tamiya M, Inoue T, Kawamura T, Tanada S, Miyazaki A, Kanzaki R, Maniwa T, Okami J, Matsumoto Y, Goto K, Nishino K. Utility of needle biopsy in centrally located lung cancer for genome analysis: a retrospective cohort study. BMC Pulm Med 2023; 23:484. [PMID: 38041137 PMCID: PMC10690970 DOI: 10.1186/s12890-023-02749-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 11/05/2023] [Indexed: 12/03/2023] Open
Abstract
BACKGROUND It is essential to collect a sufficient amount of tumor tissue for successful next-generation sequencing (NGS) analysis. In this study, we investigated the clinical risk factors for avoiding re-biopsy for NGS analysis (re-genome biopsy) in cases where a sufficient amount of tumor tissue could not be collected by bronchoscopy. METHODS We investigated the association between clinical factors and the risk of re-genome biopsy in patients who underwent transbronchial biopsy (TBB) or endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) and required re-genome biopsy in cases enrolled in LC-SCRUM Asia, a prospective nationwide genome screening project in Japan. We also examined whether the frequency of re-genome biopsy decreased between the first and second halves of the enrolment period. RESULTS Of the 572 eligible patients, 236 underwent TBB, and 134 underwent EBUS-TBNA. Twenty-four TBBs required re-genome biopsy, and multivariate analysis showed that the risk of re-genome biopsy was significantly increased in lesions where the tumor lesion was centrally located. In these cases, EBUS-TBNA should be utilized even if the lesion is a pulmonary lesion. However, it should be noted that even with EBUS-TBNA, lung field lesions are at a higher risk of re-canalization than mediastinal lymph node lesions. It was also found that even when tumor cells were detected in rapid on-site evaluation, a sufficient amount of tumor tissue was not always collected. CONCLUSIONS For centrally located pulmonary mass lesions, EBUS-TBNA, rather than TBB, can be used to obtain tumor tissues that can be analyzed by NGS.
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Affiliation(s)
- Kei Kunimasa
- Department of Thoracic Oncology, Osaka International Cancer Institute, 3-1-69 Otemae Chuoku, Osaka City, Osaka, 541-8567, Japan.
| | - Shingo Matsumoto
- Department of Thoracic Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - Keiichiro Honma
- Department of Diagnostic Pathology & Cytology, Osaka International Cancer Institute, Osaka, Japan
| | - Motohiro Tamiya
- Department of Thoracic Oncology, Osaka International Cancer Institute, 3-1-69 Otemae Chuoku, Osaka City, Osaka, 541-8567, Japan
| | - Takako Inoue
- Department of Thoracic Oncology, Osaka International Cancer Institute, 3-1-69 Otemae Chuoku, Osaka City, Osaka, 541-8567, Japan
| | - Takahisa Kawamura
- Department of Thoracic Oncology, Osaka International Cancer Institute, 3-1-69 Otemae Chuoku, Osaka City, Osaka, 541-8567, Japan
| | - Satoshi Tanada
- Department of Clinical Laboratory, Osaka International Cancer Institute, Osaka, Japan
| | - Akito Miyazaki
- Department of Thoracic Oncology, Osaka International Cancer Institute, 3-1-69 Otemae Chuoku, Osaka City, Osaka, 541-8567, Japan
| | - Ryu Kanzaki
- Department of General Thoracic Surgery, Osaka International Cancer Institute, Osaka, Japan
| | - Tomohiro Maniwa
- Department of General Thoracic Surgery, Osaka International Cancer Institute, Osaka, Japan
| | - Jiro Okami
- Department of General Thoracic Surgery, Osaka International Cancer Institute, Osaka, Japan
| | - Yuji Matsumoto
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Koichi Goto
- Department of Thoracic Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - Kazumi Nishino
- Department of Thoracic Oncology, Osaka International Cancer Institute, 3-1-69 Otemae Chuoku, Osaka City, Osaka, 541-8567, Japan
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Brown M, Nguyen P, Jersmann H, Holmes M, Wong M. Radial Endobronchial Ultrasound-guided Transbronchial Cryobiopsy versus Forceps Biopsy for the Diagnosis of Solitary Pulmonary Nodules: A Prospective Randomised Trial. Open Respir Med J 2023; 17:e187430642309190. [PMID: 38655074 PMCID: PMC11037509 DOI: 10.2174/0118743064262132230922110818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/11/2023] [Accepted: 08/29/2023] [Indexed: 04/26/2024] Open
Abstract
Background Improvements in pulmonary diagnostic imaging and the development of lung cancer screening are increasing the prevalence of Solitary pulmonary nodules (SPNs). Fluoroscopically guided radial endobronchial ultrasound (EBUS) with transbronchial forceps biopsy (TB-FB) has been the conventional diagnostic method. Transbronchial cryobiopsy (TB-CB) is an alternative biopsy method. We sought to compare transbronchial cryobiopsy to transbronchial forceps biopsy for the diagnosis of SPNs. Methods A prospective, single-centre, randomised controlled trial was conducted at the Royal Adelaide Hospital (RAH). Patients with SPNs were randomised to either 5 transbronchial forceps biopsies or one transbronchial cryobiopsy. Complete blinding of investigators and participants was not possible, as transbronchial cryobiopsy required general anaesthesia. The primary outcome was diagnostic yield with secondary outcomes of specimen size, diagnostic yield for subsets challenging to access with forceps and safety. Results The overall diagnostic yield for the 28 enrolled subjects was 76.8%(22/28). The diagnostic yield was 91.7% (11/12 patients) for transbronchial cryobiopsy and 68.8% (11/16 patients) for forceps biopsy (p=0.14). Median biopsy sizes were consistently larger for the cryobiopsy arm at 7.0mm compared to 2.5mm(p<0.0001). An eccentric EBUS image signalling the probe was adjacent to the nodule occurred in 4/28 cases, and TB-CB confirmed a diagnosis in 3/3 randomised to this arm. There were no major complications with either technique. Conclusion Transbronchial cryobiopsy under the guidance of fluoroscopy and radial EBUS facilitates larger biopsy specimens without a significant increase in major complications. Further research is required to confirm the effect on diagnostic yield; however, our study supports a role for TB-CB in the diagnosis of SPNs and small, nodule-adjacent biopsies. Clinical Trial Registration Number Reference number of R20160213(HREC/16/RAH/37).
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Affiliation(s)
- Michael Brown
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, Australia
- Faculty of Health and Medical Sciences, Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Phan Nguyen
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, Australia
- Faculty of Health and Medical Sciences, Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Hubertus Jersmann
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, Australia
- Faculty of Health and Medical Sciences, Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Mark Holmes
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, Australia
- Faculty of Health and Medical Sciences, Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Michelle Wong
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, Australia
- Department of Respiratory and Sleep Medicine, Lyell McEwin Hospital, Adelaide, Australia
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11
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Barroso A, Lin F, Carrondo MC, Palomino A, Demarzo SE, Figueiredo VR, Jacomelli M. Predictive factors for improved diagnostic accuracy with the use of radial-probe EBUS. J Bras Pneumol 2023; 49:e20230097. [PMID: 37610959 PMCID: PMC10578929 DOI: 10.36416/1806-3756/e20230097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 07/06/2023] [Indexed: 08/25/2023] Open
Abstract
OBJECTIVE To assess predictive factors for improved diagnostic accuracy with the use of radial-probe EBUS (RP-EBUS). METHODS This was a retrospective review of consecutive patients undergoing RP-EBUS between February of 2012 and January of 2020. Parameters including the presence of a bronchus sign on CT scans, the position of the radial EBUS probe, lesion size, lesion location, and lesion type were analyzed in relation to two defined outcomes (final diagnosis or no diagnosis). Univariate analysis was used in order to explore the individual effects of each parameter on diagnostic accuracy. Multivariate logistic regression was performed to identify significant predictors of diagnostic accuracy. RESULTS RP-EBUS was used for diagnostic purposes in 101 patients. The lesion was < 3 cm in size in 59 patients (58.4%) and predominantly solid in 60.3%. There was a positive correlation between radial EBUS probe position and diagnostic accuracy (p = 0.036), with 80.9% of the patients showing a bronchus sign on CT scans. Furthermore, 89% of the patients showed a bronchus sign on CT scans and a correlation with diagnostic accuracy (p = 0.030), with 65.8% of the lesions being located in the left/right upper lobe (p = 0.046). When the radial EBUS probe was within the target lesion, the diagnostic yield was = 80.8%. When the probe was adjacent to the lesion, the diagnostic yield was = 19.2%. A bronchus sign on CT scans was the only parameter that independently influenced diagnostic accuracy (adjusted OR, 3.20; 95% CI, 1.081-9.770; p = 0.036). CONCLUSIONS A bronchus sign on CT scans is a powerful predictor of successful diagnosis by RP-EBUS.
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Affiliation(s)
- Andreia Barroso
- . Unidade de Pneumologia, Centro Hospitalar Universitário do Algarve, Faro, Portugal
| | - Flávia Lin
- . Serviço de Endoscopia Respiratória, Divisão de Pneumologia, Instituto do Coração - InCor - Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo (SP) Brasil
| | - Maria Cristina Carrondo
- . Departamento de Ciências Médicas, Sociais e Humanas, Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Coimbra, Coimbra, Portugal
| | - Addy Palomino
- . Serviço de Endoscopia Respiratória, Divisão de Pneumologia, Instituto do Coração - InCor - Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo (SP) Brasil
| | - Sergio Eduardo Demarzo
- . Serviço de Endoscopia Respiratória, Divisão de Pneumologia, Instituto do Coração - InCor - Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo (SP) Brasil
| | - Viviane Rossi Figueiredo
- . Serviço de Endoscopia Respiratória, Divisão de Pneumologia, Instituto do Coração - InCor - Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo (SP) Brasil
| | - Marcia Jacomelli
- . Serviço de Endoscopia Respiratória, Divisão de Pneumologia, Instituto do Coração - InCor - Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo (SP) Brasil
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Herath S, Wong C, Dawkins P, Veale A, Yap E, Williamson J, Low I, Mahajan H, Prvan T, Barnard S, Hawkins S, Cookson D, Singh T, Ing A. Cryobiopsy with radial-endobronchial ultrasound (Cryo-Radial) has comparable diagnostic yield with higher safety in comparison to computed tomography-guided transthoracic biopsy for peripheral pulmonary lesions: An exploratory randomised study. Intern Med J 2023; 53:1390-1399. [PMID: 35675149 DOI: 10.1111/imj.15833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 05/30/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Computed tomography-guided transthoracic biopsy (CT-TTB) is the 'gold standard' biopsy for lung nodules. Radial-endobronchial ultrasound (R-EBUS) bronchoscopy is another recommended biopsy but carries a lower diagnostic yield. Addition of cryobiopsy with R-EBUS (Cryo-Radial) has shown promising results. There are no studies comparing CT-TTB with Cryo-Radial biopsy. AIM The co-primary aims were the diagnostic yeild and safety. The secondary aim: ability to test epidermal growth factor receptor (EGFR). METHODS A randomised controlled, multicentre exploratory study was conducted at three tertiary hospitals. Patients with nodules >1 cm on CT of the chest were randomised to CT-TTB or Cryo-Radial. With Cryo-Radial, patients had 1-3 cryo-biopsies in addition to at least one R-EBUS biopsy through the 2.6 mm guide sheath. RESULTS Forty-eight patients were randomised: 22 to CT-TTB and 26 to Cryo-Radial. Sixteen in the CT-TTB and 20 in the Cryo-Radial received the allocated biopsy. The diagnostic yield was CT-TTB 93.8% (15/16) versus Cryo-Radial 85% (17/20) P = 0.61 and the odds ratio was 0.37. For 5/13 (38%), a diagnosis was solely made on cryobiopsy. Eleven (78%) of 14 in CT-TTB versus 7/10 (70%) Cryo-Radial were suitable for EGFR testing P = 0.66, with odds ratio 0.63. Pneumothorax occurrence was 44% (7/16) in CT-TTB versus 4.2% (1/24) in Cryo-Radial. Two (12.5%) of 16 CT-TTB required chest drain insertion. CONCLUSION Cryo-Radial is comparable in diagnostic yield and ability to perform EGFR testing with a significantly lower risk of pneumothorax, compared with CT-TTB. Cryo-Radial has the additional advantage of mediastinal staging during the same procedure with Linear-EBUS and is a promising first-line tool in the diagnostic method of lung cancer.
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Affiliation(s)
- Samantha Herath
- Northern Beaches Hospital, Sydney, New South Wales, Australia
- Sydney Adventist Hospital, Sydney, New South Wales, Australia
- Macquarie University Hospital, Sydney, New South Wales, Australia
- Chris O'Brien Life House, Sydney, New South Wales, Australia
| | | | | | | | - Elaine Yap
- Middlemore Hospital, Auckland, New Zealand
| | - Jonathan Williamson
- Macquarie University Hospital, Sydney, New South Wales, Australia
- Liverpool Hospital, Sydney, New South Wales, Australia
| | - Irene Low
- Middlemore Hospital, Auckland, New Zealand
| | - Hema Mahajan
- Department of Pathology, Westmead Hospital, Sydney, New South Wales, Australia
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
- Western Sydney University, Sydney, New South Wales, Australia
| | - Tania Prvan
- Macquarie University Hospital, Sydney, New South Wales, Australia
| | | | | | | | - Tushar Singh
- PRP Radiology, Sydney, New South Wales, Australia
- Westmead Public Hospital, Sydney, New South Wales, Australia
| | - Alvin Ing
- Macquarie University Hospital, Sydney, New South Wales, Australia
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Steinfort DP, Evison M, Witt A, Tsaknis G, Kheir F, Manners D, Madan K, Sidhu C, Fantin A, Korevaar DA, Van Der Heijden EHFM. Proposed quality indicators and recommended standard reporting items in performance of EBUS bronchoscopy: An official World Association for Bronchology and Interventional Pulmonology Expert Panel consensus statement. Respirology 2023; 28:722-743. [PMID: 37463832 DOI: 10.1111/resp.14549] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/28/2023] [Indexed: 07/20/2023]
Abstract
BACKGROUND Since their introduction, both linear and radial endobronchial ultrasound (EBUS) have become an integral component of the practice of Pulmonology and Thoracic Oncology. The quality of health care can be measured by comparing the performance of an individual or a health service with an ideal threshold or benchmark. The taskforce sought to evaluate quality indicators in EBUS bronchoscopy based on clinical relevance/importance and on the basis that observed significant variation in outcomes indicates potential for improvement in health care outcomes. METHODS A comprehensive literature review informed the composition of a comprehensive list of candidate quality indicators in EBUS. A multiple-round modified Delphi consensus process was subsequently performed with the aim of reaching consensus over a final list of quality indicators and performance targets for these indicators. Standard reporting items were developed, with a strong preference for items where evidence demonstrates a relationship with quality indicator outcomes. RESULTS Twelve quality Indicators are proposed, with performance targets supported by evidence from the literature. Standardized reporting items for both radial and linear EBUS are recommended, with evidence supporting their utility in assessing procedural outcomes presented. CONCLUSION This statement is intended to provide a framework for individual proceduralists to assess the quality of EBUS they provide their patients through the identification of clinically relevant, feasible quality measures. Emphasis is placed on outcome measures, with a preference for consistent terminology to allow communication and benchmarking between centres.
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Affiliation(s)
- Daniel P Steinfort
- Department of Medicine, Faculty of Medicine, Dentistry & Health Sciences, University of Melbourne, Parkville, Victoria, Australia
- Department of Respiratory Medicine, Royal Melbourne Hospital, Melbourne, Victoria, Australia
| | - Matthew Evison
- Lung Cancer & Thoracic Surgery Directorate, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, UK
| | - Ashleigh Witt
- Department of Medicine, Faculty of Medicine, Dentistry & Health Sciences, University of Melbourne, Parkville, Victoria, Australia
- Department of Respiratory Medicine, Royal Melbourne Hospital, Melbourne, Victoria, Australia
| | - Georgios Tsaknis
- Department of Respiratory Sciences, College of Life Sciences, University of Leicester, Leicester, UK
- Department of Respiratory Medicine, Kettering General Hospital, UK
| | - Fayez Kheir
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - David Manners
- St John of God Midland Public and Private Hospitals, Midland, Western Australia, Australia
- Curtin Medical School, Curtin University, Perth, Western Australia, Australia
| | - Karan Madan
- Department of Pulmonary, Critical Care and Sleep Medicine, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Calvin Sidhu
- School of Health Sciences, Edith Cowan University, Perth, Western Australia, Australia
| | - Alberto Fantin
- Department of Pulmonology, University Hospital of Udine (ASUFC), Udine, Italy
| | - Daniel A Korevaar
- Department of Respiratory Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
- University of Amsterdam, Amsterdam, The Netherlands
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14
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Yu KL, Tseng YS, Yang HC, Liu CJ, Kuo PC, Lee MR, Huang CT, Kuo LC, Wang JY, Ho CC, Shih JY, Yu CJ. Deep learning with test-time augmentation for radial endobronchial ultrasound image differentiation: a multicentre verification study. BMJ Open Respir Res 2023; 10:e001602. [PMID: 37532473 PMCID: PMC10401203 DOI: 10.1136/bmjresp-2022-001602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 06/23/2023] [Indexed: 08/04/2023] Open
Abstract
PURPOSE Despite the importance of radial endobronchial ultrasound (rEBUS) in transbronchial biopsy, researchers have yet to apply artificial intelligence to the analysis of rEBUS images. MATERIALS AND METHODS This study developed a convolutional neural network (CNN) to differentiate between malignant and benign tumours in rEBUS images. This study retrospectively collected rEBUS images from medical centres in Taiwan, including 769 from National Taiwan University Hospital Hsin-Chu Branch, Hsinchu Hospital for model training (615 images) and internal validation (154 images) as well as 300 from National Taiwan University Hospital (NTUH-TPE) and 92 images were obtained from National Taiwan University Hospital Hsin-Chu Branch, Biomedical Park Hospital (NTUH-BIO) for external validation. Further assessments of the model were performed using image augmentation in the training phase and test-time augmentation (TTA). RESULTS Using the internal validation dataset, the results were as follows: area under the curve (AUC) (0.88 (95% CI 0.83 to 0.92)), sensitivity (0.80 (95% CI 0.73 to 0.88)), specificity (0.75 (95% CI 0.66 to 0.83)). Using the NTUH-TPE external validation dataset, the results were as follows: AUC (0.76 (95% CI 0.71 to 0.80)), sensitivity (0.58 (95% CI 0.50 to 0.65)), specificity (0.92 (95% CI 0.88 to 0.97)). Using the NTUH-BIO external validation dataset, the results were as follows: AUC (0.72 (95% CI 0.64 to 0.82)), sensitivity (0.71 (95% CI 0.55 to 0.86)), specificity (0.76 (95% CI 0.64 to 0.87)). After fine-tuning, the AUC values for the external validation cohorts were as follows: NTUH-TPE (0.78) and NTUH-BIO (0.82). Our findings also demonstrated the feasibility of the model in differentiating between lung cancer subtypes, as indicated by the following AUC values: adenocarcinoma (0.70; 95% CI 0.64 to 0.76), squamous cell carcinoma (0.64; 95% CI 0.54 to 0.74) and small cell lung cancer (0.52; 95% CI 0.32 to 0.72). CONCLUSIONS Our results demonstrate the feasibility of the proposed CNN-based algorithm in differentiating between malignant and benign lesions in rEBUS images.
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Affiliation(s)
- Kai-Lun Yu
- Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
- Graduate Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Yi-Shiuan Tseng
- Department of Computer Science, National Tsing Hua University, Hsinchu, Taiwan
| | - Han-Ching Yang
- Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Chia-Jung Liu
- Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Po-Chih Kuo
- Department of Computer Science, National Tsing Hua University, Hsinchu, Taiwan
| | - Meng-Rui Lee
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Chun-Ta Huang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Lu-Cheng Kuo
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Jann-Yuan Wang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Chao-Chi Ho
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Jin-Yuan Shih
- Graduate Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Chong-Jen Yu
- Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
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15
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Hu Z, Tian S, Wang X, Wang Q, Gao L, Shi Y, Li X, Tang Y, Zhang W, Dong Y, Bai C, Huang H. Predictive value of the resistance of the probe to pass through the lesion in the diagnosis of peripheral pulmonary lesions using radial probe endobronchial ultrasound with a guide sheath. Front Oncol 2023; 13:1168870. [PMID: 37588089 PMCID: PMC10425773 DOI: 10.3389/fonc.2023.1168870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 07/17/2023] [Indexed: 08/18/2023] Open
Abstract
Background Transbronchial lung biopsy guided by radial probe endobronchial ultrasonography with a guide sheath (EBUS-GS-TBLB) is becoming a significant approach for diagnosing peripheral pulmonary lesions (PPLs). We aimed to explore the clinical value of the resistance of the probe to pass through the lesion in the diagnosis of PPLs when performing EBUS-GS-TBLB, and to determine the optimum number of EBUS-GS-TBLB. Methods We performed a prospective, single-center study of 126 consecutive patients who underwent EBUS-GS-TBLB for solid and positive-bronchus-sign PPLs where the probe was located within the lesion from September 2019 to May 2022. The classification of probe resistance for each lesion was carried out by two bronchoscopists independently, and the final result depended on the bronchoscopist responsible for the procedures. The primary endpoint was the diagnostic yield according with the resistance pattern. The secondary endpoints were the optimum number of EBUS-GS-TBLB and factors affecting diagnostic yield. Procedural complications were also recorded. Results The total diagnostic yield of EBUS-GS-TBLB was 77.8%, including 83.8% malignant and 67.4% benign diseases (P=0.033). Probe resistance type II displayed the highest diagnostic yield (87.5%), followed by type III (81.0%) and type I (61.1%). A significant difference between the diagnostic yield of malignant and benign diseases was detected in type II (P = 0.008), whereas others did not. Although most of the malignant PPLs with a definitive diagnosis using EBUS-GS-TBLB in type II or type III could be diagnosed in the first biopsy, the fourth biopsy contributed the most sufficient biopsy samples. In contrast, considerably limited tissue specimens could be obtained for each biopsy in type I. The inter-observer agreement of the two blinded bronchoscopists for the classification of probe resistance was excellent (κ = 0.84). Conclusion The probe resistance is a useful predictive factor for successful EBUS-GS-TBLB diagnosis of solid and positive-bronchus-sign PPLs where the probe was located within the lesion. Four serial biopsies are appropriate for both probe resistance type II and type III, and additional diagnostic procedures are needed for type I.
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Affiliation(s)
- Zhenli Hu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Sen Tian
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Naval Medical University, Shanghai, China
- Department of Respiratory and Critical Care Medicine, No. 906 Hospital of the Chinese People's Liberation Army Joint Logistic Support Force, Ningbo, China
| | - Xiangqi Wang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Qin Wang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Li Gao
- Department of Pathology, The First Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Yuxuan Shi
- Department of Nephrology, The First Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Xiang Li
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Naval Medical University, Shanghai, China
- Department of Respiratory and Critical Care Medicine, General Hospital of Central Theater Command of Chinese People’s Liberation Army, Wuhan, China
| | - Yilian Tang
- Basic Medical School, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Wei Zhang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Yuchao Dong
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Chong Bai
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Haidong Huang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Naval Medical University, Shanghai, China
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16
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Zuccatosta L, Gonnelli F, Gasparini G, Duro A, Barbisan F, Goteri G, Veronesi G, Trisolini R, Gasparini S. Possible Use of Linear Echobronchoscope for Diagnosis of Peripheral Pulmonary Nodules. Diagnostics (Basel) 2023; 13:2393. [PMID: 37510137 PMCID: PMC10378167 DOI: 10.3390/diagnostics13142393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/27/2023] [Accepted: 04/27/2023] [Indexed: 07/30/2023] Open
Abstract
Echobronchoscope-guided transbronchial needle aspiration (EBUS-TBNA) is mainly used as the transbronchial approach to hilar/mediastinal lymph nodes or lesions, for diagnostic or staging purposes. Moreover, the role of linear EBUS-TBNA as a diagnostic tool for central intrapulmonary lesions adjacent to the trachea or the major bronchi is also well established. However, since the tip of the ultrasound probe at the distal end of the echobronchoscope is very thin, it can be wedged through smaller peripheral bronchi, reaching the distal parenchyma and allowing for peripheral pulmonary lesion sampling. The main aim of this retrospective study was to evaluate the diagnostic yield and the safety of EBUS-TBNA in the diagnosis of pulmonary peripheral nodules. The database of the Interventional Pulmonology Unit of Azienda Ospedaliero-Universitaria delle Marche (Ancona, Italy) was evaluated to identify peripheral pulmonary nodules approached by EBUS-TBNA. Thirty patients with a single peripheral pulmonary nodule located peripherally to the subsegmental bronchi of the lower lobes and adjacent to a small bronchus greater than 3 mm in diameter were included in this study. The nodule was visible using endoscopic ultrasound in 28 patients and the diagnosis was obtained via EBUS-TBNA in 26 cases (12 adenocarcinoma, 5 typical carcinoid tumors, 4 hamartoma and 5 metastatic lesions). The diagnostic yield was 86.6% for all 30 patients and 92.8% if only the 28 patients in which the lesion was visualized via echobronchoscopy were considered. No relevant adverse events were observed. We conclude that EBUS-TBNA may be an effective and safe option to sample pulmonary peripheral nodules in selected patients with lower lobe peripheral pulmonary lesions adjacent to small bronchi greater than 3 mm in diameter and reachable with the EBUS-TBNA probe.
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Affiliation(s)
- Lina Zuccatosta
- Pulmonary Diseases Unit, Azienda Ospedaliero Universitaria delle Marche, 60126 Ancona, Italy
| | - Francesca Gonnelli
- Pulmonary Diseases Unit, Azienda Ospedaliero Universitaria delle Marche, 60126 Ancona, Italy
| | - Gianmarco Gasparini
- Department of Biomedical Sciences and Public Health, Polytechnic University of Marche Region, 60126 Ancona, Italy
| | - Arianna Duro
- Department of Biomedical Sciences and Public Health, Polytechnic University of Marche Region, 60126 Ancona, Italy
| | - Francesca Barbisan
- Pathological Anatomy Institute, Polytechnic University of Marche Region, 60126 Ancona, Italy
| | - Gaia Goteri
- Pathological Anatomy Institute, Polytechnic University of Marche Region, 60126 Ancona, Italy
| | - Giulia Veronesi
- School of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy
- Department of Thoracic Surgery, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Rocco Trisolini
- Interventional Pulmonology Unit, Policlinico Universitario Agostino Gemelli, 00168 Rome, Italy
| | - Stefano Gasparini
- Pulmonary Diseases Unit, Azienda Ospedaliero Universitaria delle Marche, 60126 Ancona, Italy
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17
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Mankidy BJ, Mohammad G, Trinh K, Ayyappan AP, Huang Q, Bujarski S, Jafferji MS, Ghanta R, Hanania AN, Lazarus DR. High risk lung nodule: A multidisciplinary approach to diagnosis and management. Respir Med 2023; 214:107277. [PMID: 37187432 DOI: 10.1016/j.rmed.2023.107277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 04/28/2023] [Accepted: 05/04/2023] [Indexed: 05/17/2023]
Abstract
Pulmonary nodules are often discovered incidentally during CT scans performed for other reasons. While the vast majority of nodules are benign, a small percentage may represent early-stage lung cancer with the potential for curative treatments. With the growing use of CT for both clinical purposes and lung cancer screening, the number of pulmonary nodules detected is expected to increase substantially. Despite well-established guidelines, many nodules do not receive proper evaluation due to a variety of factors, including inadequate coordination of care and financial and social barriers. To address this quality gap, novel approaches such as multidisciplinary nodule clinics and multidisciplinary boards may be necessary. As pulmonary nodules may indicate early-stage lung cancer, it is crucial to adopt a risk-stratified approach to identify potential lung cancers at an early stage, while minimizing the risk of harm and expense associated with over investigation of low-risk nodules. This article, authored by multiple specialists involved in nodule management, delves into the diagnostic approach to lung nodules. It covers the process of determining whether a patient requires tissue sampling or continued surveillance. Additionally, the article provides an in-depth examination of the various biopsy and therapeutic options available for malignant lung nodules. The article also emphasizes the significance of early detection in reducing lung cancer mortality, especially among high-risk populations. Furthermore, it addresses the creation of a comprehensive lung nodule program, which involves smoking cessation, lung cancer screening, and systematic evaluation and follow-up of both incidental and screen-detected nodules.
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Affiliation(s)
- Babith J Mankidy
- Division of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, 1Baylor Plaza, Houston, TX, 77030, USA.
| | - GhasemiRad Mohammad
- Department of Radiology, Division of Vascular and Interventional Radiology, Baylor College of Medicine, USA.
| | - Kelly Trinh
- Texas Tech University Health Sciences Center, School of Medicine, USA.
| | - Anoop P Ayyappan
- Department of Radiology, Division of Thoracic Radiology, Baylor College of Medicine, USA.
| | - Quillan Huang
- Department of Oncology, Baylor College of Medicine, USA.
| | - Steven Bujarski
- Division of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, 1Baylor Plaza, Houston, TX, 77030, USA.
| | | | - Ravi Ghanta
- Department of Cardiothoracic Surgery, Baylor College of Medicine, USA.
| | | | - Donald R Lazarus
- Division of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, 1Baylor Plaza, Houston, TX, 77030, USA.
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18
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Herath S. Using cryobiopsy with Radial EBUS in high-bleeding-risk, peripheral pulmonary lesions (PPL): description of cases and technique. Respirol Case Rep 2023; 11:e01125. [PMID: 36935897 PMCID: PMC10014523 DOI: 10.1002/rcr2.1125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 03/03/2023] [Indexed: 03/17/2023] Open
Abstract
Cryobiopsy is an emerging tool in the diagnosis of peripheral pulmonary lesions (PPL) and becoming an important tool in the toolbox. Anecdotally the data on cryobiopsy use in the lung was extrapolated from the use of transbronchial cryobiopsy (TBCB) in Interstitial Lung disease (ILD). Similar to ILD data, cryobiopsy in PPL also provided larger tissue compared to forceps biopsies. Yet, unlike TBCB in ILD, the safety profile for cryobiopsy in PPL seems much more favourable, yet the number of publications on cryobiopsy in PPL remains sparse. Some PPL, both malignant and non-malignant are considered to be of a high bleeding risk due to vascularity of the tumour and/or inflammation of the blood vessels and surrounding tissue. The use of cryobiopsy and the risk of bleeding in this type of PPL have not been described. This paper describes four patients with PPL, undergoing cryobiopsy with radial EBUS for suspected lung cancer, and later diagnosed to have a PPL, deemed to be of a high bleeding risk. The use of cryobiopsy with radial ultrasonic examination for the vasculature of the PPL, bronchial blocker use, and airway protection as well as an expert team preserved the safety of the procedure.
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Affiliation(s)
- Samantha Herath
- Department of Respiratory MedicineNothern Beaches HospitalSydneyNew South WalesAustralia
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19
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Kim SH, Mok J, Jo EJ, Kim MH, Lee K, Kim KU, Park HK, Lee MK, Eom JS. The Additive Impact of Transbronchial Cryobiopsy Using a 1.1-mm Diameter Cryoprobe on Conventional Biopsy for Peripheral Lung Nodules. Cancer Res Treat 2023; 55:506-512. [PMID: 36317360 PMCID: PMC10101800 DOI: 10.4143/crt.2022.1008] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 10/31/2022] [Indexed: 04/14/2023] Open
Abstract
PURPOSE The diagnostic yield of transbronchial biopsy (TBB) using radial probe endobronchial ultrasound (RP-EBUS) is 71%, which is lower than that of transthoracic needle biopsy. We investigated the performance and safety of sequential transbronchial cryobiopsy (TBC) using a novel 1.1-mm diameter cryoprobe, after conventional TBB using RP-EBUS for the diagnosis of peripheral lung lesions (PLLs). Materials and Methods From April 2021 to November 2021, 110 patients who underwent bronchoscopy using RP-EBUS for the diagnosis of PLL ≤ 30 mm were retrospectively included in our study. All records were followed until June 2022. RESULTS The overall diagnostic yield of combined TBB and TBC was 79.1%, which was higher than 60.9% of TBB alone (p=0.005). The diagnostic yield of sequential TBC was 65.5%, which increased the overall diagnostic yield by 18.2%. The surface area of tissues by TBC (mean area, 18.5 mm2) was significantly larger than those of TBB by 1.5-mm forceps (3.4 mm2, p < 0.001) and 1.9-mm forceps (3.7 mm2, p=0.011). In the multivariate analysis, PLLs with the longest diameter of ≤ 22 mm were found to be related to additional diagnostic benefits from sequential TBC (odds ratio, 3.51; 95% confidence interval, 1.043 to 11.775; p=0.042). Complications were found in 10.5% of the patients: pneumothorax (1.0%), infection (1.0%), and significant bleeding (8.6%). None of the patients developed any life-threatening complications. CONCLUSION Sequential TBC with a 1.1-mm cryoprobe improved the performance of conventional TBB using RP-EBUS without serious complications.
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Affiliation(s)
- Soo Han Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Jeongha Mok
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Eun-Jung Jo
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea
| | - Mi-Hyun Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea
| | - Kwangha Lee
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea
| | - Ki Uk Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea
| | - Hye-Kyung Park
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea
| | - Min Ki Lee
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea
| | - Jung Seop Eom
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
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20
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Furuse H, Matsumoto Y, Nakai T, Tanaka M, Nishimatsu K, Uchimura K, Imabayashi T, Tsuchida T, Ohe Y. Diagnostic efficacy of cryobiopsy for peripheral pulmonary lesions: A propensity score analysis. Lung Cancer 2023; 178:220-228. [PMID: 36893563 DOI: 10.1016/j.lungcan.2023.02.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 02/14/2023] [Accepted: 02/27/2023] [Indexed: 03/05/2023]
Abstract
OBJECTIVES Recently introduced cryobiopsy can provide quantitatively and qualitatively excellent specimens. However, few studies have directly compared the diagnostic yield of cryobiopsy for peripheral pulmonary lesions (PPLs) with that of conventional sampling methods. MATERIAL AND METHODS We retrospectively reviewed data from consecutive patients who underwent diagnostic bronchoscopy using radial endobronchial ultrasound and virtual bronchoscopic navigation for PPLs (October 2015 to September 2020). Patients who underwent cryobiopsy were assigned to the cryo group, whereas those who did not undergo cryobiopsy were assigned to the conventional group. The diagnostic outcomes of both groups were compared using propensity score analyses. RESULTS A total of 2,724 cases were identified, including 492 and 2,232 cases in the cryo and conventional groups, respectively. Propensity scoring was performed to match baseline characteristics, and 481 pairs of cases were selected for each matched group (m-group). The diagnostic yield was significantly higher in the m-cryo group than in the m-conventional group (89.2% vs. 77.6%, odds ratio [OR] = 2.36 [95% confidence interval [CI] = 1.65-3.38], P < 0.001). Propensity score stratification (OR = 2.35 [95% CI = 1.71-3.23]) and regression adjustment (OR = 2.54 [95% CI = 1.83-3.52]) also demonstrated the diagnostic advantages of cryobiopsy. The subgroup analysis revealed that cryobiopsy was notably effective for lesions in the middle lobe/lingula, right/left lower lobe, lesions with ground-glass opacity, and lesions invisible on chest radiography. Although there were more cases of grade 2 and 3 bleeding in the m-cryo group than in the m-conventional group (38.0% vs. 10.2% and 1.5% vs. 0.8%, respectively; P < 0.001), no grade 4 bleeding was observed. CONCLUSION The propensity score analyses revealed that cryobiopsy was associated with a higher diagnostic yield for PPLs than conventional sampling methods. However, increased bleeding risk should be noted as a potential complication.
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Affiliation(s)
- Hideaki Furuse
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan; Course of Advanced Clinical Research of Cancer, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Yuji Matsumoto
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan; Department of Thoracic Oncology, National Cancer Center Hospital, Tokyo, Japan.
| | - Toshiyuki Nakai
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Midori Tanaka
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Kanako Nishimatsu
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Keigo Uchimura
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Tatsuya Imabayashi
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Takaaki Tsuchida
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Yuichiro Ohe
- Course of Advanced Clinical Research of Cancer, Juntendo University Graduate School of Medicine, Tokyo, Japan; Department of Thoracic Oncology, National Cancer Center Hospital, Tokyo, Japan
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21
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Kim YW, Kim HJ, Yoon SH, Song MJ, Kwon BS, Lim SY, Lee YJ, Park JS, Cho YJ, Lee JH, Lee CT. Electromagnetic Navigation Bronchoscopy Versus Radial Endobronchial Ultrasound for Diagnosing Lung Cancer: A Propensity Score-Matched Analysis. Arch Bronconeumol 2023:S0300-2896(23)00098-4. [PMID: 37005148 DOI: 10.1016/j.arbres.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 03/04/2023] [Accepted: 03/06/2023] [Indexed: 03/29/2023]
Abstract
INTRODUCTION Electromagnetic navigation bronchoscopy (ENB) and radial endobronchial ultrasound (R-EBUS) are advanced imaging-guided bronchoscopy techniques for diagnosing pulmonary lesions. This study aimed to determine the comparative diagnostic yield of sole ENB and R-EBUS under moderate sedation. METHODS We investigated 288 patients who underwent sole ENB (n=157) or sole R-EBUS (n=131) under moderate sedation for pulmonary lesion biopsy between January 2017 and April 2022. After a 1:1 propensity score-matching to control for pre-procedural factors, the diagnostic yield, sensitivity for malignancy, and procedure-related complications between both techniques were compared. RESULTS The matching resulted in 105 pairs/procedure for analyses with balanced clinical and radiological characteristics. The overall diagnostic yield was significantly higher for ENB than for R-EBUS (83.8% vs. 70.5%, p=0.021). ENB demonstrated a significantly higher diagnostic yield than R-EBUS among those with lesions>20mm in size (85.2% vs. 72.3%, p=0.034), radiologically solid lesions (86.7% vs. 72.7%, p=0.015), and lesions with a class 2 bronchus sign (91.2% vs. 72.3%, p=0.002), respectively. The sensitivity for malignancy was also higher for ENB than for R-EBUS (81.3% vs. 55.1%, p<0.001). After adjusting for clinical/radiological factors in the unmatched cohort, using ENB over R-EBUS was significantly associated with a higher diagnostic yield (odd ratio=3.45, 95% confidence interval=1.75-6.82). Complication rates for pneumothorax did not significantly differ between ENB and R-EBUS. CONCLUSION ENB demonstrated a higher diagnostic yield than R-EBUS under moderate sedation for diagnosing pulmonary lesions, with similar and generally low complication rates. Our data indicate the superiority of ENB over R-EBUS in a least-invasive setting.
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22
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Uniportal VATS for Diagnosis and Staging in Non-Small Cell Lung Cancer (NSCLC). Diagnostics (Basel) 2023; 13:diagnostics13050826. [PMID: 36899970 PMCID: PMC10001247 DOI: 10.3390/diagnostics13050826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 02/14/2023] [Accepted: 02/17/2023] [Indexed: 02/24/2023] Open
Abstract
Uniportal VATS has become an accepted approach in minimally invasive thoracic surgery since its first report for lobectomy in 2011. Since the initial restrictions in indications, it has been used in almost all procedures, from conventional lobectomies to sublobar resections, bronchial and vascular sleeve procedures and even tracheal and carinal resections. In addition to its use for treatment, it provides an excellent approach for suspicious solitary undiagnosed nodules after bronchoscopic or transthoracic image-guided biopsy. Uniportal VATS is also used as a surgical staging method in NSCLC due to its low invasiveness in terms of chest tube duration, hospital stay and postoperative pain. In this article, we review the evidence of uniportal VATS accuracy for NSCLC diagnosis and staging and provide technical details and recommendations for its safe performance for that purpose.
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23
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Oki M, Saka H, Himeji D, Imabayashi T, Nishii Y, Ando M. Value of adding ultrathin bronchoscopy to thin bronchoscopy for peripheral pulmonary lesions: A multicentre prospective study. Respirology 2023; 28:152-158. [PMID: 36288803 DOI: 10.1111/resp.14397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 10/13/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND AND OBJECTIVE The diagnostic yield of thin bronchoscopy with radial probe endobronchial ultrasound (rEBUS) of peripheral pulmonary lesions into which the rEBUS probe cannot be inserted is unsatisfactory. In such cases, adding ultrathin bronchoscopy may be an option. We evaluated the efficacy of sequential ultrathin bronchoscopy for peripheral pulmonary lesions into which the rEBUS probe could not be inserted during thin bronchoscopy. METHODS In this multicentre prospective study, patients with peripheral pulmonary lesions ≤30 mm in diameter underwent rEBUS-guided transbronchial biopsy using a 4.0 mm diameter thin bronchoscope. In patients with lesions into which a rEBUS probe could not be inserted using that bronchoscope, bronchoscopy using a 3.0 mm diameter ultrathin bronchoscope was performed. RESULTS A total of 342 patients were enrolled and 340 were analysed. Among them, 87 patients with lesions of a median longest diameter of 17.5 mm underwent thin bronchoscopy followed by ultrathin bronchoscopy. Of the 87 patients, the rEBUS probe was successfully inserted into the lesions via the ultrathin bronchoscope in 50 patients (57.5%). Of the 87 patients, the diagnostic yields of thin bronchoscopy and ultrathin bronchoscopy were 12.6% (11 of 87) and 41.4% (36 of 87), respectively (p < 0.001). CONCLUSION Ultrathin bronchoscopy affords a higher diagnostic yield for lesions into which a rEBUS probe cannot be inserted via a thin bronchoscope.
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Affiliation(s)
- Masahide Oki
- Department of Respiratory Medicine, National Hospital Organization Nagoya Medical Center, Nagoya, Japan
| | - Hideo Saka
- Department of Respiratory Medicine, National Hospital Organization Nagoya Medical Center, Nagoya, Japan
| | - Daisuke Himeji
- Department of Internal Medicine, Miyazaki Prefectural Miyazaki Hospital, Miyazaki, Japan
| | - Tatsuya Imabayashi
- Department of Pulmonary Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yoichi Nishii
- Respiratory Center, Matsusaka Municipal Hospital, Matsusaka, Japan
| | - Masahiko Ando
- Center for Advanced Medicine and Clinical Research, Nagoya University Hospital, Nagoya, Japan
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24
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Lou L, Huang X, Tu J, Xu Z. Endobronchial ultrasound-guided transbronchial needle aspiration in peripheral pulmonary lesions: a systematic review and meta-analysis. Clin Exp Metastasis 2023; 40:45-52. [PMID: 36401666 DOI: 10.1007/s10585-022-10190-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 10/17/2022] [Indexed: 11/21/2022]
Abstract
The diagnosis of peripheral pulmonary lesions (PPLs) remains a challenge for physicians. Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) has been applied in the diagnosis of PPLs, but its diagnostic rate varies widely. The systematic review and meta-analysis was conducted to figure out the accuracy and safety of EBUS-TBNA in the diagnosis of PPLs. We searched the PubMed and Embase databases for relevant studies published from January 1, 2000 to December 30, 2021 and used PICO (Participants, Intervention, Comparison, and Outcome) to worked out the diagnostic rate of EBUS-TBNA in PPLs. Two reviewers independently performed the data extraction and assessed study quality. Statistical analysis was carried out via R software. In 7 studies of totally 510 patients of PPLs, the overall EBUS-TBNA diagnosis yield is 0.75 (95% CI 0.67-0.84) by the random effect model. EBUS-TBNA showed a higher accuracy of 0.64 (95% CI 0.53-0.74) compared to 0.46 (95% CI 0.19-0.72) of endobronchial ultrasound-guided transbronchial biopsy (EBUS-TBB) when EBUS probe is adjacent to lesions. In the case of malignant lesions, the diagnostic rate of EBUS-TBNA is 0.79 (95% CI 0.72-0.88). Combined EBUS-TBNA with conventional bronchoscopy procedures showed the highest diagnostic yield (0.83 (95% CI 0.79-0.87)). Collectively, EBUS-TBNA should be performed firstly in patients with PPLs suspected to lung cancer especially when the EBUS probe was adjacent to the lesions. No serious procedure-related complications were observed.
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Affiliation(s)
- Lingyun Lou
- Department of Respiratory and Critical Care Medicine, Jinhua Municipal Central Hospital, Jinhua Hospital of Zhejiang University, Jinhua, China.
| | - Xiu Huang
- Department of Respiratory and Critical Care Medicine, Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, China
| | - Junwei Tu
- Department of Respiratory and Critical Care Medicine, Jinhua Municipal Central Hospital, Jinhua Hospital of Zhejiang University, Jinhua, China
| | - Zhihao Xu
- Department of Respiratory and Critical Care Medicine, Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, China
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Xia Y, Li Q, Zhong C, Wang K, Li S. Inheritance and innovation of the diagnosis of peripheral pulmonary lesions. Ther Adv Chronic Dis 2023; 14:20406223221146723. [PMID: 36743297 PMCID: PMC9896091 DOI: 10.1177/20406223221146723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 12/05/2022] [Indexed: 01/29/2023] Open
Abstract
As the leading cause of cancer-related deaths worldwide, early detection and diagnosis are crucial to reduce the mortality of lung cancer. To date, the diagnosis of the peripheral pulmonary lesions (PPLs) remains a major unmet clinical need. The urgency of diagnosing PPLs has driven a series of development of the advanced bronchoscopy-guided techniques in the past decades, such as radial probe-endobronchial ultrasonography (RP-EBUS), virtual bronchoscopy navigation (VBN), electromagnetic navigation bronchoscopy (ENB), bronchoscopic transparenchymal nodule access (BTPNA), and robotic-assisted bronchoscopy. However, these techniques also have their own limitations. In this review, we would like to introduce the development of diagnostic techniques for PPLs, with a special focus on biopsy approaches and advanced guided bronchoscopy techniques by discussing their advantages, limitations, and future prospects.
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26
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Endoscopic Technologies for Peripheral Pulmonary Lesions: From Diagnosis to Therapy. Life (Basel) 2023; 13:life13020254. [PMID: 36836612 PMCID: PMC9959751 DOI: 10.3390/life13020254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/07/2023] [Accepted: 01/09/2023] [Indexed: 01/18/2023] Open
Abstract
Peripheral pulmonary lesions (PPLs) are frequent incidental findings in subjects when performing chest radiographs or chest computed tomography (CT) scans. When a PPL is identified, it is necessary to proceed with a risk stratification based on the patient profile and the characteristics found on chest CT. In order to proceed with a diagnostic procedure, the first-line examination is often a bronchoscopy with tissue sampling. Many guidance technologies have recently been developed to facilitate PPLs sampling. Through bronchoscopy, it is currently possible to ascertain the PPL's benign or malignant nature, delaying the therapy's second phase with radical, supportive, or palliative intent. In this review, we describe all the new tools available: from the innovation of bronchoscopic instrumentation (e.g., ultrathin bronchoscopy and robotic bronchoscopy) to the advances in navigation technology (e.g., radial-probe endobronchial ultrasound, virtual navigation, electromagnetic navigation, shape-sensing navigation, cone-beam computed tomography). In addition, we summarize all the PPLs ablation techniques currently under experimentation. Interventional pulmonology may be a discipline aiming at adopting increasingly innovative and disruptive technologies.
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Culmone C, Yikilmaz FS, Trauzettel F, Breedveld P. Follow-The-Leader Mechanisms in Medical Devices: A Review on Scientific and Patent Literature. IEEE Rev Biomed Eng 2023; 16:439-455. [PMID: 34543205 DOI: 10.1109/rbme.2021.3113395] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Conventional medical instruments are not capable of passing through tortuous anatomy as required for natural orifice transluminal endoscopic surgery due to their rigid shaft designs. Nevertheless, developments in minimally invasive surgery are pushing medical devices to become more dexterous. Amongst devices with controllable flexibility, so-called Follow-The-Leader (FTL) devices possess motion capabilities to pass through confined spaces without interacting with anatomical structures. The goal of this literature study is to provide a comprehensive overview of medical devices with FTL motion. A scientific and patent literature search was performed in five databases (Scopus, PubMed, Web of Science, IEEExplore, Espacenet). Keywords were used to isolate FTL behavior in devices with medical applications. Ultimately, 35 unique devices were reviewed and categorized. Devices were allocated according to their design strategies to obtain the three fundamental sub-functions of FTL motion: steering, (controlling the leader/end-effector orientation), propagation, (advancing the device along a specific path), and conservation (memorizing the shape of the path taken by the device). A comparative analysis of the devices was carried out, showing the commonly used design choices for each sub-function and the different combinations. The advantages and disadvantages of the design aspects and an overview of their performance were provided. Devices that were initially assessed as ineligible were considered in a possible medical context or presented with FTL potential, broadening the classification. This review could aid in the development of a new generation of FTL devices by providing a comprehensive overview of the current solutions and stimulating the search for new ones.
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A Comprehensive Survey on the Progress, Process, and Challenges of Lung Cancer Detection and Classification. JOURNAL OF HEALTHCARE ENGINEERING 2022; 2022:5905230. [PMID: 36569180 PMCID: PMC9788902 DOI: 10.1155/2022/5905230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/17/2022] [Accepted: 11/09/2022] [Indexed: 12/23/2022]
Abstract
Lung cancer is the primary reason of cancer deaths worldwide, and the percentage of death rate is increasing step by step. There are chances of recovering from lung cancer by detecting it early. In any case, because the number of radiologists is limited and they have been working overtime, the increase in image data makes it hard for them to evaluate the images accurately. As a result, many researchers have come up with automated ways to predict the growth of cancer cells using medical imaging methods in a quick and accurate way. Previously, a lot of work was done on computer-aided detection (CADe) and computer-aided diagnosis (CADx) in computed tomography (CT) scan, magnetic resonance imaging (MRI), and X-ray with the goal of effective detection and segmentation of pulmonary nodule, as well as classifying nodules as malignant or benign. But still, no complete comprehensive review that includes all aspects of lung cancer has been done. In this paper, every aspect of lung cancer is discussed in detail, including datasets, image preprocessing, segmentation methods, optimal feature extraction and selection methods, evaluation measurement matrices, and classifiers. Finally, the study looks into several lung cancer-related issues with possible solutions.
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29
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Song JY, Shin SH, Yoo H, Jeong BH, Um SW, Kim H, Kwon OJ, Lee K. Efficacy of Combining Multiple Electromagnetic Navigation Bronchoscopy Modalities for Diagnosing Lung Nodules. J Clin Med 2022; 11:jcm11247341. [PMID: 36555958 PMCID: PMC9784328 DOI: 10.3390/jcm11247341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/06/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
Electromagnetic navigation bronchoscopy (ENB) is one of the non-invasive methods used for lung nodule biopsy. We evaluated the efficacy of combining radial endobronchial ultrasound (R-EBUS)-guided transbronchial lung biopsy (TBLB) with ENB-guided TBLB or transbronchial needle aspiration (TBNA) for diagnosing lung nodules. Forty patients with a lung nodule underwent ENB-TBLB or TBNA, followed by R-EBUS-TBLB if available. The final diagnosis was benign or malignant, depending on the surgical pathology or 24-month follow-up computed tomography (CT). We compared the sensitivity, negative predictive value, and accuracy between combinations of procedures. The mean nodule size was 21.65 mm, and 60.0% of the nodules were solid. The bronchus was within the nodule in 67.5% and 65.0% of cases examined using CT and R-EBUS, respectively. The accuracies of ENB-TBLB alone, ENB-TBLB/TBNA, and R-EBUS-TBLB plus ENB-TBLB/TBNA were 74.4%, 82.5%, and 90.0%, respectively. The sensitivity levels of the aforementioned procedures were 69.8%, 78.8%, and 87.9%, respectively. Among 21 patients who underwent both ENB-TBLB and R-EBUS-TBLB, the latter revealed malignant cells in three of nine patients (33.3%) with benign ENB-TBLB results. Combined ENB-TBLB/TBNA and R-EBUS-TBLB had increased sensitivity and diagnostic accuracy for lung nodules. ENB and R-EBUS are complementary; using both modalities improves the sensitivity and accuracy of lung nodule diagnoses.
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Affiliation(s)
| | | | | | | | | | | | | | - Kyungjong Lee
- Correspondence: ; Tel.: +82-2-3410-3429; Fax: +82-2-3410-3849
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Lee J, Song J. Diagnostic yield of radial probe endobronchial ultrasonography-guided transbronchial biopsy without fluoroscopy in peripheral pulmonary lesions: A systematic review and meta-analysis. Thorac Cancer 2022; 14:195-205. [PMID: 36480486 PMCID: PMC9834691 DOI: 10.1111/1759-7714.14733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/31/2022] [Accepted: 11/02/2022] [Indexed: 12/13/2022] Open
Abstract
PURPOSE Although radial probe endobronchial ultrasound (R-EBUS) has been used to investigate peripheral pulmonary lesions (PPLs), its diagnostic performance without fluoroscopy remains unclear. We sought to determine the diagnostic yield of R-EBUS-guided transbronchial biopsy (TBB) without fluoroscopy. METHODS We performed a systematic literature review using Pubmed, Embase, and the Cochrane Central Register. Then, we performed a proportional meta-analysis to determine the diagnostic yield of this modality. Subgroup and meta-regression analyses were used to identify factors affecting the performance of R-EBUS-guided TBB without fluoroscopy. RESULTS We identified 31 studies consisting of a total of 6491 patients. Pooled overall diagnostic yield of R-EBUS-guided TBB without fluoroscopy was 0.70 (95% confidence interval [CI], 0.67-0.74). There was significant heterogeneity across studies (I2 = 89.45%, p < 0.001). In subgroup and meta-regression analyses, air bronchus sign on chest computed tomography scans, larger size PPLs, probe location within lesions, and heterogeneous echogenicity were associated with significantly higher diagnostic yield. Diagnostic yield from the upper lobe was statistically lower than that from the middle and lower lobes. Pooled pneumothorax rate was 0.01 (95% CI, 0.01-0.01, I2 = 63.51%, p < 0.001). CONCLUSIONS R-EBUS-guided TBB without fluoroscopy appears to be a relatively useful tool with a low pneumothorax rate for the diagnosis of PPLs. Factors mentioned above may affect the diagnostic yield of this tool. Because of substantial between-study heterogeneity, our results should be interpreted with caution.
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Affiliation(s)
- Jonghoo Lee
- Department of Internal MedicineJeju National University Hospital, Jeju National University School of MedicineJejuSouth Korea
| | - Jae‐Uk Song
- Division of Pulmonary and Critical Care Medicine, Department of Internal MedicineKangbuk Samsung Hospital, Sungkyunkwan University School of MedicineSeoulSouth Korea
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Kurihara Y, Tashiro H, Takahashi K, Tajiri R, Kuwahara Y, Kajiwara K, Komiya N, Ogusu S, Nakashima C, Nakamura T, Kimura S, Sueoka‐Aragane N. Factors related to the diagnosis of lung cancer by transbronchial biopsy with endobronchial ultrasonography and a guide sheath. Thorac Cancer 2022; 13:3459-3466. [PMID: 36263938 PMCID: PMC9750813 DOI: 10.1111/1759-7714.14705] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/04/2022] [Accepted: 10/06/2022] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Transbronchial biopsy (TBB) with endobronchial ultrasonography and a guide sheath (EBUS-GS) is an effective examination tool for the diagnosis of lung cancer. Factors related to making the diagnosis are still not fully understood. METHODS A total of 367 patients who underwent EBUS-GS and were diagnosed with lung cancer in Saga University Hospital were investigated retrospectively. Clinical characteristics were compared between 244 patients who were diagnosed with lung cancer and 123 patients who were not diagnosed by TBB with EBUS-GS but were diagnosed by other examinations. RESULTS Size of target lesion, rate of patients with target lesion size ≥20 mm, presence of the bronchus sign, and detection by EBUS imaging were significantly associated with making the diagnosis (all p < 0.01). In patients whose lesion was detected by EBUS imaging, patients with positive findings within the lesion were significantly more often diagnosed by TBB with EBUS-GS than those with positive findings adjacent to the lesion (p < 0.01). The odds ratio (OR) of patients whose lesion was detected by EBUS imaging (OR [95% confidence interval] 14.5 [8.0-26.4]) tended to be higher compared to the ORs of size of lesion ≥20 mm (3.9 [2.2-6.8]) and the bronchus sign (7.5 [4.6-12.2]). CONCLUSION Targeted lesion diameter ≥20 mm, bronchus sign, and detection by EBUS imaging, especially within the lesion, are important factors for the diagnosis of lung cancer by TBB with EBUS-GS.
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Affiliation(s)
- Yuki Kurihara
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of MedicineSaga UniversitySagaJapan
| | - Hiroki Tashiro
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of MedicineSaga UniversitySagaJapan
| | - Koichiro Takahashi
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of MedicineSaga UniversitySagaJapan
| | - Ryo Tajiri
- Clinical Research CenterSaga University HospitalSagaJapan
| | - Yuki Kuwahara
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of MedicineSaga UniversitySagaJapan
| | - Kokoro Kajiwara
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of MedicineSaga UniversitySagaJapan
| | - Natsuko Komiya
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of MedicineSaga UniversitySagaJapan
| | - Shinsuke Ogusu
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of MedicineSaga UniversitySagaJapan
| | - Chiho Nakashima
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of MedicineSaga UniversitySagaJapan
| | - Tomomi Nakamura
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of MedicineSaga UniversitySagaJapan
| | - Shinya Kimura
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of MedicineSaga UniversitySagaJapan
| | - Naoko Sueoka‐Aragane
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of MedicineSaga UniversitySagaJapan
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Guo C, Hu Y, Yu Q, Zhang Q, Wang G. DNA aneuploidy combined with radial EBUS in the diagnosis of peripheral lung lesions. Diagn Cytopathol 2022; 50:565-571. [PMID: 36317759 DOI: 10.1002/dc.25039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 07/27/2022] [Accepted: 08/02/2022] [Indexed: 01/07/2023]
Abstract
OBJECTIVE To explore the diagnostic value of DNA aneuploidy analysis combined with radial endobronchial ultrasound (R-EBUS)-guided transbronchial biopsy in peripheral lung lesions. METHOD We performed a retrospective analysis of patients who underwent R-EBUS examination. DNA aneuploidy analysis of bronchial washing from the target bronchial segment were performed. The clinical information, R-EBUS data, pathological results and DNA image cytometry (DNA-ICM) results were collected. For patients who did not have a clear diagnosis after bronchoscopy, follow-up data was recorded. RESULTS A total of 42 cases were included. Thirty patients had confirmed malignant tumor of the lung, 19 of which were confirmed by pathology after bronchoscopy, and 11 cases were confirmed later by surgery or percutaneous lung puncture. Twelve patients were finally considered to have benign lesions. The sensitivity of R-EBUS is 63.3% and the specificity is 100%. DNA-ICM has a sensitivity of 76.7% and a specificity of 91.7%. When combined, they have a sensitivity of 90%, and specificity 91.7%. As for malignant lesions, we further analyzed smoking, the size and location of lesions on chest CT, the number of aneuploid cells and the maximum value of DNA content. The results indicated that increased number of aneuploid cells or increased max value of DNA content may predict higher probability of malignancy. CONCLUSION DNA-ICM combined with R-EBUS can improve the diagnostic sensitivity of malignant peripheral lung lesions. Increased number of aneuploid cells or increased max value of DNA content may indicate that the lesions are more likely to be malignant.
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Affiliation(s)
- Cuiyan Guo
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Yan Hu
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Qing Yu
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Qi Zhang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Guangfa Wang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
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Diagnostic Yield and Safety of CP-EBUS-TBNA and RP-EBUS-TBLB under Moderate Sedation: A Single-Center Retrospective Audit. Diagnostics (Basel) 2022; 12:diagnostics12112576. [DOI: 10.3390/diagnostics12112576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/11/2022] [Accepted: 10/21/2022] [Indexed: 11/16/2022] Open
Abstract
Convex probe endobronchial ultrasound transbronchial needle aspirations (CP-EBUS-TBNAs) and radial probe endobronchial ultrasound transbronchial lung biopsies (RP-EBUS-TBLBs) can be performed under moderate sedation or general anesthesia. Moderate sedation is more convenient, however patient discomfort may result in inadequate tissue sampling. General anesthesia ensures better patient cooperation but requires more logistics and also carries sedation risks. We aim to describe the diagnostic yield and safety of CP-EBUS-TBNAs and RP-EBUS-TBLBs when performed under moderate sedation at our center. All patients who underwent CP-EBUS-TBNA and/or RP-EBUS-TBLB under moderate sedation, between January 2015 and May 2017, were reviewed. Primary outcomes were defined in regard to the diagnostic yield and safety profile. A total of 336 CP-EBUS-TBNAs and 190 RP-EBUS-TBLBs were performed between January 2015 and May 2017. The mean sedation doses used were 50 mcg of intravenous fentanyl and 2.5 mg of intravenous midazolam. The diagnostic yield of the CP-EBUS-TBNAs and RP-EBUS-TBLBs were 62.5% and 71.6%, respectively. Complication rates were low with: transient bleeding 11.9%, transient hypoxia 0.5%, and pneumothorax 0.1%. None required escalation of care, post procedure. Performing CP-EBUS-TBNAs and RP-EBUS-TBLBs under moderate sedation is safe and provides good diagnostic yield. These procedures should, therefore, be considered as first-line sampling techniques.
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A Life-Threatening Infection after Endobronchial Ultrasound Transbronchial Lung Biopsy with Guide Sheath: A Case Report. Medicina (B Aires) 2022; 58:medicina58091275. [PMID: 36143952 PMCID: PMC9504971 DOI: 10.3390/medicina58091275] [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] [Received: 07/13/2022] [Revised: 08/28/2022] [Accepted: 09/12/2022] [Indexed: 11/24/2022] Open
Abstract
Background and Objectives: Endobronchial ultrasound transbronchial lung biopsy with guide sheath (EBUS-GS-TBLB) has been regarded as a reasonable diagnostic method with an acceptable diagnostic yield. In addition, EBUS-GS-TBLB is considered safer and less invasive compared to percutaneous needle biopsy and thoracoscopic surgery. However, we encountered a case of life-threatening procedure-related fatal infection, which was successfully managed. Case presentation: A 61-year-old man with a 30 pack-year smoking history was referred to our clinic with a necrotic lung mass in the right middle lobe on a chest computed tomography scan. EBUS-GS-TBLB was performed for a pathological diagnosis without immediate complications. Eight days after the procedure, the patient visited the hospital with sudden hemoptysis and severe dyspnea with fever. A chest computed tomography revealed a ruptured lung abscess and pneumonia, developed after EBUS-GS-TBLB. Extracorporeal membrane oxygenation (ECMO) and mechanical ventilation were initiated to manage refractory hypoxia. While maintaining ECMO, video-assisted thoracoscopic surgery was performed at the patient’s bedside in the intensive care unit. After surgery, the patient’s vital signs gradually improved, and a chest computed tomography revealed a reduction in the extent of the lung abscess. Results: Although EBUS-GS-TBLB is minimally invasive and relatively safe when used for the diagnosis of peripheral lung lesions, pulmonary physicians should be aware of this rare but critical complication. Conclusions: We suggest that the careful prescription of prophylactic antibiotics before EBUS-GS-TBLB would be wise if the mass featured a necrotic, cavitary, or cystic lesion.
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Culmone C, Jager DJ, Breedveld P. MemoBox: A mechanical follow-the-leader system for minimally invasive surgery. FRONTIERS IN MEDICAL TECHNOLOGY 2022; 4:938643. [PMID: 36340589 PMCID: PMC9632848 DOI: 10.3389/fmedt.2022.938643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 08/25/2022] [Indexed: 11/24/2022] Open
Abstract
With the increase in Natural Orifice Transluminal Endoscopic Surgery procedures, there is an increasing demand for surgical instruments with additional degrees of freedom, able to travel along tortuous pathways and guarantee dexterity and high accuracy without compromising the surrounding environment. The implementation of follow-the-leader motion in surgical instruments allows propagating the decided shape through its body and moving through curved paths avoiding sensitive areas. Due to the limited operational area and therefore the instrument size, the steerable shaft of these instruments is usually driven by cables that are externally actuated. However, a large number of degrees of freedom requires a great number of actuators, increasing the system complexity. Therefore, our goal was to design a new memory system able to impose a follow-the-leader motion to the steerable shaft of a medical instrument without using actuators. We present a memory mechanism to control and guide the cable displacements of a cable-driven shaft able to move along a multi-curved path. The memory mechanism is based on a programmable physical track with a mechanical interlocking system. The memory system, called MemoBox, was manufactured as a proof-of-concept demonstration model, measuring 70 mm × 64 mm × 6 mm with 11 programmable elements and featuring a minimum resolution of 1 mm. The prototype shows the ability to generate and shift complex 2D pathways in real-time controlled by the user.
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Affiliation(s)
- Costanza Culmone
- BITE Group, Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Delft, Netherlands
- Correspondence: Costanza Culmone
| | - David J. Jager
- Department of Electronic and Mechanical Support Division, Delft University of Technology, Delft, Netherlands
| | - Paul Breedveld
- BITE Group, Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Delft, Netherlands
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Chung HS, Pak K, Lee G, Eom JS. Combined procedure with radial probe and convex probe endobronchial ultrasound. Thorac Cancer 2022; 13:2837-2843. [PMID: 36054540 PMCID: PMC9575129 DOI: 10.1111/1759-7714.14622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/05/2022] [Accepted: 08/08/2022] [Indexed: 11/30/2022] Open
Abstract
Background Concurrent bronchoscopy using radial probe and convex endobronchial ultrasound (RP‐ and CP‐EBUS) is used to simultaneously evaluate both peripheral lung lesions for the histological diagnosis of the primary tumor and mediastinal lymph nodes for mediastinal staging. So far, little is known about the combined procedure with RP‐ and CP‐EBUS. Methods Between January 2020 and March 2021, the bronchoscopy database was reviewed to identify the clinical outcomes of the combined procedure with RP‐ and CP‐EBUS. Patients who underwent transbronchial biopsy using RP‐EBUS alone were classified as the RP‐EBUS group, while those who underwent a combined procedure with RP‐ and CP‐EBUS were classified as the combination group. Results The overall diagnostic yield of the bronchoscopic procedure in the combination group was significantly higher than the RP‐EBUS group (90.7% vs. 70.0%, p < 0.001). CP‐EBUS increased the diagnostic yield of the bronchoscopic procedure in the combination group by 9.3%. Although the mean procedure time was significantly longer, and the mean doses of midazolam and fentanyl were significantly higher in the combination group (p < 0.001), there were no differences in the overall complication rates between the two study groups (1.4% and 1.0% for the RP‐EBUS and combination groups, respectively, p = 0.766). Conclusions Combined bronchoscopy using RP‐ and CP‐EBUS is feasible and safe. In addition to mediastinal staging, CP‐EBUS increased the overall diagnostic yield of the bronchoscopic procedure by 9.3%.
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Affiliation(s)
- Hyun Sung Chung
- National Cancer Center, Division of Pulmonology, Center for Lung Cancer, Goyang, Republic of Korea
| | - Kyoungjune Pak
- Department of Nuclear Medicine, Pusan National University School of Medicine, Busan, Republic of Korea
| | - Geewon Lee
- Department of Radiology, Pusan National University School of Medicine, Busan, Republic of Korea
| | - Jung Seop Eom
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Republic of Korea.,Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
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Podder S, Chaudry S, Singh H, Jondall EM, Kurman JS, Benn BS. Efficacy and Safety of Cone-Beam CT Augmented Electromagnetic Navigation Guided Bronchoscopic Biopsies of Indeterminate Pulmonary Nodules. Tomography 2022; 8:2049-2058. [PMID: 36006070 PMCID: PMC9412509 DOI: 10.3390/tomography8040172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 08/10/2022] [Accepted: 08/15/2022] [Indexed: 11/16/2022] Open
Abstract
Bronchoscopic biopsy results for indeterminate pulmonary nodules remain suboptimal. Electromagnetic navigation bronchoscopy (ENB) coupled with cone beam computed tomography (CBCT) for confirmation has the potential to improve diagnostic yield. We present our experience using this multimodal approach to biopsy 17 indeterminate nodules in 14 consecutive patients from April to August 2021. Demographic information, nodule characteristics, and biopsy results were recorded. Procedures were performed in a hybrid operating room equipped with a Siemens Artis Q bi-plane CBCT (Siemens, Munich, Germany). After ENB using the superDimension version 7.1 (Medtronic, Plymouth, MN, USA) to target the lesion, radial endobronchial ultrasound was used as secondary confirmation. Next, transbronchial needle aspiration was performed prior to CBCT to evaluate placement of the biopsy tool in the lesion. The average nodule size was 21.7+/−15 mm with 59% (10/17) < 2 cm in all dimensions and 35% (6/17) showing a radiographic bronchus sign. The diagnostic yield of CBCT-guided ENB was 76% (13/17). No immediate periprocedural or postprocedural complications were identified. Our experience with CBCT-guided ENB further supports the comparable efficacy and safety of this procedure compared to other mature biopsy modalities. Studies designed to optimize the lung nodule biopsy process and to determine the contributions from different procedural aspects are warranted.
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Liu D, Chen L, Wang X, Lin Y, Gu J. Use of Computed Tomography-Guided Percutaneous Biopsy of Invasive Non-Mucinous Lung Adenocarcinoma to Predict the Degree of Histological Differentiation. Clin Med Insights Oncol 2022; 16:11795549221102752. [PMID: 35694138 PMCID: PMC9178743 DOI: 10.1177/11795549221102752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 05/02/2022] [Indexed: 11/15/2022] Open
Abstract
Background The International Association for the Study of Lung Cancer (IASLC) published a grading system for invasive pulmonary adenocarcinoma that is closely associated with prognosis. This study aimed to investigate the accuracy of computed tomography (CT)-guided biopsy specimen grading and surgery-guided grading systems for detecting invasive non-mucinous lung adenocarcinoma and to determine whether CT-guided biopsy can predict the degree of histological differentiation. Methods In total, 130 patients with invasive non-mucinous lung adenocarcinoma who underwent CT-guided biopsy before surgical excision were retrospectively studied. Biopsy and surgical specimen pathologies were compared. Grading was performed according to different subtypes proposed by the International Association for the Study of Lung Cancer. Sensitivity, specificity, positive and negative predictive values (PPV/NPV), and accuracy were calculated for each subtype and grade. Results The concordance rates of biopsy and surgical pathology subtypes and grades were 73.1% and 72.3%, respectively. Sensitivity, specificity, PPV, NPV, and accuracy of grade 3 were 54.8%, 100%, 100%, 87.6%, and 89.2%, respectively. Pathology grades were primarily discrepant with respect to two aspects of biopsy and surgical samples in the same patient. First, the biopsy and surgical specimen pathology findings indicated lepidic and acinar subtypes as the main subtypes in the same patient, respectively. Second, biopsy specimen histology did not find solid types; however, >20% of solid subtypes were identified in surgical pathology samples in the same patient. Conclusions The preoperative CT-guided biopsy specimen grading system showed relatively high accuracy and could predict the prognosis of invasive non-mucinous lung adenocarcinoma.
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Affiliation(s)
- Dehao Liu
- Department of Radiology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Lichun Chen
- Department of Radiology, Xiamen Hospital of Traditional Chinese Medicine, Xiamen, China
| | - Xiaoping Wang
- Department of Radiology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Yikai Lin
- Department of Radiology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Jianwei Gu
- Department of Radiology, The First Affiliated Hospital of Xiamen University, Xiamen, China
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Tanaka M, Matsumoto Y, Imabayashi T, Kawahara T, Tsuchida T. Diagnostic value of a new cryoprobe for peripheral pulmonary lesions: a prospective study. BMC Pulm Med 2022; 22:226. [PMID: 35689261 PMCID: PMC9188163 DOI: 10.1186/s12890-022-02003-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 05/19/2022] [Indexed: 12/12/2022] Open
Abstract
Background Cryobiopsy is an established technique that yields larger and higher-quality samples than does a forceps biopsy. However, it remains underutilised in the diagnosis of peripheral pulmonary lesions (PPLs), mainly because of difficulties in handling conventional cryoprobes. A recently introduced single-use cryoprobe with a smaller diameter and more flexibility than conventional ones may improve its diagnostic ability for PPLs. We conducted this prospective study to evaluate the feasibility of transbronchial cryobiopsy in the diagnoses of PPLs, using a new 1.7-mm cryoprobe.
Methods The study included patients with PPLs less than 30 mm in diameter scheduled to undergo bronchoscopy. All the procedures were performed using a combination of virtual bronchoscopic navigation, radial endobronchial ultrasound (R-EBUS) and X-ray fluoroscopy, and all the samples were collected using the cryoprobe alone. Thereafter, we assessed the diagnostic outcomes and safety profiles. Results A total of 50 patients were enrolled and underwent cryobiopsy. The median lesion size was 20.8 mm (range, 8.2–29.6 mm), and the negative bronchus sign was seen in 34% of lesions. The diagnostic yield was 94% (95% confidence interval, 83.5–98.8%). A positive bronchus sign had a significantly higher diagnostic yield than did a negative bronchus sign (100% vs. 82.4%; P = 0.035). The yield was achieved regardless of other variables, including lesion size, location, and R-EBUS findings. The major complications were mild and moderate bleeding in 28% and 62% of patients, respectively. Pneumothorax was identified in one patient.
Conclusion Transbronchial cryobiopsy using the new 1.7-mm cryoprobe is a feasible procedure that has the potential to increase the diagnostic accuracy for PPLs. Trial registration Japan Registry of Clinical Trials, jRCT1032200065. Registered July 8 2020, https://jrct.niph.go.jp/en-latest-detail/jRCT1032200065
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Affiliation(s)
- Midori Tanaka
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Yuji Matsumoto
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan. .,Department of Thoracic Oncology, National Cancer Center Hospital, Tokyo, Japan.
| | - Tatsuya Imabayashi
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Takuya Kawahara
- Clinical Research Promotion Center, The University of Tokyo Hospital, Tokyo, Japan
| | - Takaaki Tsuchida
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
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Herath S, Bashirzadeh F, Mahajan H, Ing A, Fielding D. Using the GenCut core biopsy tool with the radial endobronchial ultrasound guide sheath enables a high‐quality histology sample capable of programmed cell death ligand 1 (
PD
‐
L1
) testing. Respirol Case Rep 2022; 10:e0935. [PMID: 35386575 PMCID: PMC8977962 DOI: 10.1002/rcr2.935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/04/2022] [Accepted: 03/09/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Samantha Herath
- Department of Respiratory and Sleep Medicine Northern Beaches Hospital Frenchs Forest New South Wales Australia
- Department of Respiratory Medicine Sydney Adventist Hospital Wahroonga New South Wales Australia
- Respiratory Medicine Macquarie University Hospital Macquarie Park New South Wales Australia
- Respiratory Medicine Chris O'Brien Life house Camperdown New South Wales Australia
| | - Farzad Bashirzadeh
- Thoracic Medicine Royal Brisbane and Women's Hospital Brisbane Queensland Australia
| | - Hema Mahajan
- Department of Pathology Westmead Hospital Westmead New South Wales Australia
- Sydney Medical School The University of Sydney Sydney New South Wales Australia
- Western Sydney University Penrith South New South Wales Australia
| | - Alvin Ing
- Respiratory Medicine Macquarie University Hospital Macquarie Park New South Wales Australia
| | - David Fielding
- Thoracic Medicine Royal Brisbane and Women's Hospital Brisbane Queensland Australia
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Diagnostic Yield of Transbronchial Cryobiopsy Guided by Radial Endobronchial Ultrasound and Fluoroscopy in the Radiologically Suspected Lung Cancer: A Single Institution Prospective Study. Cancers (Basel) 2022; 14:cancers14061563. [PMID: 35326713 PMCID: PMC8946852 DOI: 10.3390/cancers14061563] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 01/05/2023] Open
Abstract
Transbronchial cryobiopsy (TBCB) is being studied in the diagnosis of peripheral lung lesions; however, there are only a few clinical studies around the world. The aim of our study was to evaluate the diagnostic values and safety of transbronchial cryobiopsy for radiologically suspected peripheral lung cancer. The prospective clinical study was executed from September 2019 to September 2021 at a tertiary clinical centre in Lithuania. A total of 48 patients out of 102 underwent combined procedures of transbronchial forceps biopsy (TBFB) and TBCB. Diagnostic values and safety outcomes of TBFB and TBCB were analysed. The sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and accuracy were 72.9%, 100%, 100%, 7.7%, and 88.0% for TBFB, 85.1%, 100%, 100%, 12.5%, and 93% for TBCB, as well as 91.5%, 100%, 100%, 20.0% and 96.7% for the combined procedures, respectively, with a significantly higher accuracy for cryobiopsies compared to forceps biopsies (p < 0.05). The diagnostic values for transbronchial cryobiopsies were similar, irrespective of the radial mini probe endobronchial ultrasound (RP-EBUS) position, lesion size or bronchus sign, however, the sensitivity of the combined procedures in cases with RP-EBUS adjacent to the target was significantly higher compared to TBFB (86.2% vs. 64.3%, p = 0.016). Samples of cryobiopsies were significantly larger than forceps biopsies (34.62 mm2 vs. 4.4 mm2, p = 0.001). The cumulative diagnostic yield of transbronchial cryobiopsy was 80.0% after the second biopsy and reached a plateau of 84.1% after four biopsies. No severe bleeding, pneumothorax, respiratory failure or death was registered in our study. TBCB is a potentially safe procedure, which increases diagnostic values in diagnosing peripheral lung lesions compared to TBFB.
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Nunninger M, Torsello GF. [67/m-Incidental finding of a solitary pulmonary nodule : Preparation for the medical specialist examination: part 145]. Internist (Berl) 2022; 63:259-263. [PMID: 35238984 DOI: 10.1007/s00108-022-01281-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/24/2022] [Indexed: 10/18/2022]
Affiliation(s)
- M Nunninger
- Klinik für Radiologie, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Deutschland
| | - G F Torsello
- Klinik für Radiologie, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Deutschland.
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Shape-Sensing Robotic-Assisted Bronchoscopy in the Diagnosis of Pulmonary Parenchymal Lesions. Chest 2022; 161:572-582. [PMID: 34384789 PMCID: PMC8941601 DOI: 10.1016/j.chest.2021.07.2169] [Citation(s) in RCA: 79] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/05/2021] [Accepted: 07/29/2021] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND The landscape of guided bronchoscopy for the sampling of pulmonary parenchymal lesions is evolving rapidly. Shape-sensing robotic-assisted bronchoscopy (ssRAB) recently was introduced as means to allow successful sampling of traditionally challenging lesions. RESEARCH QUESTION What are the feasibility, diagnostic yield, determinants of diagnostic sampling, and safety of ssRAB in patients with pulmonary lesions? STUDY DESIGN AND METHODS Data from 131 consecutive ssRAB procedures performed at a US-based cancer center between October 2019 and July 2020 were captured prospectively and analyzed retrospectively. Definitions of diagnostic procedures were based on prior standards. Associations of procedure- and lesion-related factors with diagnostic yield were examined by univariate and multivariate generalized linear mixed models. RESULTS A total of 159 pulmonary lesions were targeted during 131 ssRAB procedures. The median lesion size was 1.8 cm, 59.1% of lesions were in the upper lobe, and 66.7% of lesions were beyond a sixth-generation airway. The navigational success rate was 98.7%. The overall diagnostic yield was 81.7%. Lesion size of ≥ 1.8 cm and central location were associated significantly with a diagnostic procedure in the univariate analysis. In the multivariate model, lesions of ≥ 1.8 cm were more likely to be diagnostic compared with lesions < 1.8 cm, after adjusting for lung centrality (OR, 12.22; 95% CI, 1.66-90.10). The sensitivity and negative predictive value of ssRAB for primary thoracic malignancies were 79.8% and 72.4%, respectively. The overall complication rate was 3.0%, and the pneumothorax rate was 1.5%. INTERPRETATION This study was the first to provide comprehensive evidence regarding the usefulness and diagnostic yield of ssRAB in the sampling of pulmonary parenchymal lesions. ssRAB may represent a significant advancement in the ability to access and sample successfully traditionally challenging pulmonary lesions via the bronchoscopic approach, while maintaining a superb safety profile. Lesion size seems to remain the major predictor of a diagnostic procedure.
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Nakashima K, Misawa M, Otsuki A, Narita K, Otsuka Y, Matsue K, Aoshima M. Efficacy and Safety of Endobronchial Ultrasonography with a Guide-sheath for Acute Pulmonary Lesions in Patients with Haematological Diseases. Intern Med 2022; 61:623-632. [PMID: 35228474 PMCID: PMC8943388 DOI: 10.2169/internalmedicine.6364-20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Objective Acute pulmonary lesions (APLs), defined as an acute infiltrate or nodular lung field, are a major complication in patients with haematological diseases. Recently, endobronchial ultrasonography with a guide-sheath (EBUS-GS) was established as a useful technique for diagnosing pulmonary lesions. This study aimed to evaluate the efficacy and safety of EBUS-GS for managing APLs in patients with haematological diseases. Methods Our single-centre, retrospective, observational, single-arm, descriptive study enrolled 22 consecutive adult (>20-year-old) patients with haematological diseases and concomitant APL who underwent EBUS-GS between January 2011 and June 2016 at Kameda Medical Center, Chiba, Japan. The primary endpoint was the contribution of EBUS-GS to clinical decision-making. Secondary endpoints were an adequate tissue collection rate, diagnostic yield, complication rate, and 30-day mortality. Results The median patient age was 70 years old, and 63.6% were men. Acute myeloid leukaemia was the most frequent underlying disease, accounting for 54.5% of patients. The contribution of EBUS-GS to clinical decision-making was recognised in 11 (50.0%) patients. Adequate tissue collection was achieved in 21 (95.5%) patients. The aetiology of the APL was identified in 9 (40.9%) patients. No complications, including severe haemorrhaging and pneumothorax, were observed in any patients, and the 30-day mortality rate was 0%. Conclusion EBUS-GS may be a suitable diagnostic option for APL in patients with haematological diseases. Further larger-scale and randomised controlled trials are needed to confirm our results.
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Affiliation(s)
- Kei Nakashima
- Department of Pulmonology, Kameda Medical Center, Japan
| | | | - Ayumu Otsuki
- Department of Pulmonology, Kameda Medical Center, Japan
| | | | | | - Kosei Matsue
- Department of Haematology, Kameda Medical Center, Japan
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Advanced Bronchoscopic Technologies for Biopsy of the Pulmonary Nodule: A 2021 Review. Diagnostics (Basel) 2021; 11:diagnostics11122304. [PMID: 34943541 PMCID: PMC8700532 DOI: 10.3390/diagnostics11122304] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 11/23/2021] [Accepted: 12/05/2021] [Indexed: 12/26/2022] Open
Abstract
The field of interventional pulmonology (IP) has grown from a fringe subspecialty utilized in only a few centers worldwide to a standard component in advanced medical centers. IP is increasingly recognized for its value in patient care and its ability to deliver minimally invasive and cost-effective diagnostics and treatments. This article will provide an in-depth review of advanced bronchoscopic technologies used by IP physicians focusing on pulmonary nodules. While most pulmonary nodules are benign, malignant nodules represent the earliest detectable manifestation of lung cancer. Lung cancer is the second most common and the deadliest cancer worldwide. Differentiating benign from malignant nodules is clinically challenging as these entities are often indistinguishable radiographically. Tissue biopsy is often required to discriminate benign from malignant nodule etiologies. A safe and accurate means of definitively differentiating benign from malignant nodules would be highly valuable for patients, and the medical system at large. This would translate into a greater number of early-stage cancer detections while reducing the burden of surgical resections for benign disease. There is little high-grade evidence to guide clinicians on optimal lung nodule tissue sampling modalities. The number of novel technologies available for this purpose has rapidly expanded over the last decade, making it difficult for clinicians to assess their efficacy. Unfortunately, there is a wide variety of methods used to determine the accuracy of these technologies, making comparisons across studies impossible. This paper will provide an in-depth review of available data regarding advanced bronchoscopic technologies.
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Teaching Radial Endobronchial Ultrasound with a Three-Dimensional–printed Radial Ultrasound Model. ATS Sch 2021; 2:606-619. [PMID: 35083464 PMCID: PMC8787737 DOI: 10.34197/ats-scholar.2020-0152oc] [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] [Received: 10/25/2020] [Accepted: 08/13/2021] [Indexed: 12/04/2022] Open
Abstract
Background Peripheral pulmonary lesion (PPL) incidence is rising because of increased
chest imaging sensitivity and frequency. For PPLs suspicious for lung
cancer, current clinical guidelines recommend tissue diagnosis. Radial
endobronchial ultrasound (R-EBUS) is a bronchoscopic technique used for this
purpose. It has been observed that diagnostic yield is impacted by the
ability to accurately manipulate the radial probe. However, such skills can
be acquired, in part, from simulation training. Three-dimensional (3D)
printing has been used to produce training simulators for standard
bronchoscopy but has not been specifically used to develop similar tools for
R-EBUS. Objective We report the development of a novel ultrasound-compatible, anatomically
accurate 3D-printed R-EBUS simulator and evaluation of its utility as a
training tool. Methods Computed tomography images were used to develop 3D-printed airway models with
ultrasound-compatible PPLs of “low” and “high”
technical difficulty. Twenty-one participants were allocated to two groups
matched for prior R-EBUS experience. The intervention group received 15
minutes to pretrain R-EBUS using a 3D-printed model, whereas the
nonintervention group did not. Both groups then performed R-EBUS on
3D-printed models and were evaluated using a specifically developed
assessment tool. Results For the “low-difficulty” model, the intervention group achieved
a higher score (21.5 ± 2.02) than the nonintervention
group (17.1 ± 5.7), reflecting 26% improvement
in performance (P = 0.03). For the
“high-difficulty” model, the intervention group scored
20.2 ± 4.21 versus 13.3 ± 7.36,
corresponding to 52% improvement in performance
(P = 0.02). Participants derived
benefit from pretraining with the 3D-printed model, regardless of prior
experience level. Conclusion 3D-printing can be used to develop simulators for R-EBUS education. Training
using these models significantly improves procedural performance and is
effective in both novice and experienced trainees.
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Nakamura K, Matsumoto K, Inoue C, Matsusue E, Fujii S. Computed Tomography-guided Lung Biopsy: A Review of Techniques for Reducing the Incidence of Complications. INTERVENTIONAL RADIOLOGY 2021; 6:83-92. [PMID: 35912280 PMCID: PMC9327413 DOI: 10.22575/interventionalradiology.2021-0012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 06/22/2021] [Indexed: 11/26/2022]
Abstract
Computed tomography-guided lung biopsy is a well-established method for the histological diagnosis of pulmonary lesions. There is abundant literature regarding the diagnostic yield of and complications associated with computed tomography-guided lung biopsy. Many studies have investigated the risk factors influencing pneumothorax. Conversely, there are a limited number of reports detailing techniques for reducing the incidence of pneumothorax or other complications. This study reviews the indications, diagnostic accuracy, and complications of computed tomography-guided lung biopsy. In addition, techniques for reducing the incidence of these complications were reviewed.
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Affiliation(s)
| | | | - Chie Inoue
- Department of Radiology, Tottori Prefectural Central Hospital
| | - Eiji Matsusue
- Department of Radiology, Tottori Prefectural Central Hospital
| | - Shinya Fujii
- Department of Radiology, Tottori University School of Medicine
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Shen YC, Chen CH, Tu CY. Advances in Diagnostic Bronchoscopy. Diagnostics (Basel) 2021; 11:diagnostics11111984. [PMID: 34829331 PMCID: PMC8620115 DOI: 10.3390/diagnostics11111984] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 12/25/2022] Open
Abstract
The increase in incidental discovery of pulmonary nodules has led to more urgent requirement of tissue diagnosis. The peripheral pulmonary nodules are especially challenging for clinicians. There are various modalities for diagnosis and tissue sampling of pulmonary lesions, but most of these modalities have their own limitations. This has led to the development of many advanced technical modalities, which have empowered pulmonologists to reach the periphery of the lung safely and effectively. These techniques include thin/ultrathin bronchoscopes, radial probe endobronchial ultrasound (RP-EBUS), and navigation bronchoscopy—including virtual navigation bronchoscopy (VNB) and electromagnetic navigation bronchoscopy (ENB). Recently, newer technologies—including robotic-assisted bronchoscopy (RAB), cone-beam CT (CBCT), and augmented fluoroscopy (AF)—have been introduced to aid in the navigation to peripheral pulmonary nodules. Technological advances will also enable more precise tissue sampling of smaller peripheral lung nodules for local ablative and other therapies of peripheral lung cancers in the future. However, we still need to overcome the CT-to-body divergence, among other limitations. In this review, our aim is to summarize the recent advances in diagnostic bronchoscopy technology.
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Affiliation(s)
- Yi-Cheng Shen
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung 40447, Taiwan;
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung 40447, Taiwan
| | - Chia-Hung Chen
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung 40447, Taiwan;
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung 40447, Taiwan
- School of Medicine, China Medical University, Taichung 40447, Taiwan
- Correspondence: (C.-H.C.); (C.-Y.T.); Tel.: +886-4-22052121 (ext. 2623) (C.-H.C.); +886-4-22052121 (ext. 3485) (C.-Y.T.); Fax: +886-4-22038883 (C.-H.C. & C.-Y.T.)
| | - Chih-Yen Tu
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung 40447, Taiwan;
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung 40447, Taiwan
- School of Medicine, China Medical University, Taichung 40447, Taiwan
- Correspondence: (C.-H.C.); (C.-Y.T.); Tel.: +886-4-22052121 (ext. 2623) (C.-H.C.); +886-4-22052121 (ext. 3485) (C.-Y.T.); Fax: +886-4-22038883 (C.-H.C. & C.-Y.T.)
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Piro R, Fontana M, Casalini E, Taddei S, Bertolini M, Iori M, Facciolongo N. Cone beam CT augmented fluoroscopy allows safe and efficient diagnosis of a difficult lung nodule. BMC Pulm Med 2021; 21:327. [PMID: 34670551 PMCID: PMC8527755 DOI: 10.1186/s12890-021-01697-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 10/11/2021] [Indexed: 11/24/2022] Open
Abstract
Background Detection of small peripheral lung nodules is constantly increasing with the development of low dose computed tomography lung cancer screening programs. A tissue diagnosis is often required to confirm malignity, with endobronchial biopsies being associated with a lower pneumothorax rate than percutaneous approaches. Endoscopic diagnosis of peripheral small size lung nodules is however often challenging using traditional bronchoscopy and endobronchial ultrasound alone. New virtual bronchoscopic navigation techniques such as electromagnetic navigational bronchoscopy (ENB) have developed to improve peripheral navigation, with diagnostic yield however remaining in the 30–50% range for small lesions. Recent studies have shown the benefits of combining Cone beam computed tomography (CBCT) with ENB to improve diagnostic yield to up to 83%. The use of ENB however remains limited by disposable cost, bronchus sign dependency and inaccuracies due to CT to body divergence. Case presentation This case report highlights the feasibility and usefulness of CBCT-guided bronchoscopy for the sampling of lung nodules difficult to reach through traditional bronchoscopy because of nodule size and peripheral position. Procedure was scheduled in a mobile robotic hybrid operating room with patient under general anaesthesia. CBCT acquisition was performed to localize the target lesion and plan the best path to reach it into bronchial tree. A dedicated software was used to segment the lesion and the bronchial path which 3D outlines were automatically fused in real time on the fluoroscopic images to augment live guidance. Navigation to the lesion was guided with bronchoscopy and augmented fluoroscopy alone. Before the sampling, CBCT imaging was repeated to confirm the proper position of the instrument into the lesion. Four transbronchial needle aspirations (TBNA) were performed and the tissue analysis showed a primary lung adenocarcinoma. Conclusions CBCT and augmented fluoroscopy technique is a safe and effective and has potential to improve early stage peripheral lesions endobronchial diagnostic yield without ENB. Additional studies are warranted to confirm its safety, efficacy and technical benefits, both for diagnosis of oncological and non-oncological disease and for endobronchial treatment of inoperable patients.
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Affiliation(s)
- Roberto Piro
- Pulmonology Unit, Azienda Unità Sanitaria Locale - IRCCS di Reggio Emilia, Via Amendola 2, 42123, Reggio Emilia, Italy.
| | - Matteo Fontana
- Pulmonology Unit, Azienda Unità Sanitaria Locale - IRCCS di Reggio Emilia, Via Amendola 2, 42123, Reggio Emilia, Italy
| | - Eleonora Casalini
- Pulmonology Unit, Azienda Unità Sanitaria Locale - IRCCS di Reggio Emilia, Via Amendola 2, 42123, Reggio Emilia, Italy
| | - Sofia Taddei
- Pulmonology Unit, Azienda Unità Sanitaria Locale - IRCCS di Reggio Emilia, Via Amendola 2, 42123, Reggio Emilia, Italy
| | - Marco Bertolini
- Medical Physics Unit, Azienda Unità Sanitaria Locale - IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Mauro Iori
- Medical Physics Unit, Azienda Unità Sanitaria Locale - IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Nicola Facciolongo
- Pulmonology Unit, Azienda Unità Sanitaria Locale - IRCCS di Reggio Emilia, Via Amendola 2, 42123, Reggio Emilia, Italy
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Oki M, Saka H, Imabayashi T, Himeji D, Nishii Y, Nakashima H, Minami D, Okachi S, Mizumori Y, Ando M. Guide sheath versus non-guide sheath method for endobronchial ultrasound-guided biopsy of peripheral pulmonary lesions: A multicenter randomized trial. Eur Respir J 2021; 59:13993003.01678-2021. [PMID: 34625482 DOI: 10.1183/13993003.01678-2021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 09/27/2021] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Guide sheaths (GSs) have been widely used during radial probe endobronchial ultrasound-guided transbronchial biopsy (rEBUS-TBB) of peripheral pulmonary lesions. However, it remains unknown whether a GS enhances the diagnostic yield. We compared the diagnostic yields of small peripheral pulmonary lesions between rEBUS-TBB with and without a GS. METHODS In eight institutions, patients with peripheral pulmonary lesions≤30 mm in diameter were enrolled and randomized to undergo rEBUS-TBB with a GS (GS group) or without a GS (non-GS group) using a 4.0-mm thin bronchoscope, virtual bronchoscopic navigation, and fluoroscopy. The primary endpoint was the diagnostic yield of the histology specimens. RESULTS A total of 605 patients were enrolled; ultimately, data on 596 (300 in the GS group and 296 in the non-GS group) with peripheral pulmonary lesions having a longest median diameter of 19.6 mm were analyzed. The diagnostic yield of histological specimens from the GS group was significantly higher than that from the non-GS group (55.3% versus 46.6%, respectively; p=0.033). Interactions were evident between the diagnostic yields, procedures, lobar locations (upper lobe versus other regions, p=0.003), and lesion texture (solid versus part-solid nodules, p=0.072). CONCLUSIONS The diagnostic yield for small peripheral pulmonary lesions afforded by rEBUS-TBB using a GS was higher than that without a GS.
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Affiliation(s)
- Masahide Oki
- Department of Respiratory Medicine, National Hospital Organization Nagoya Medical Center, Nagoya, Japan
| | - Hideo Saka
- Department of Respiratory Medicine, National Hospital Organization Nagoya Medical Center, Nagoya, Japan
| | - Tatsuya Imabayashi
- Department of Pulmonary Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Daisuke Himeji
- Department of Internal Medicine, Miyazaki Prefectural Miyazaki Hospital, Miyazaki, Japan
| | - Yoichi Nishii
- Respiratory Center, Matsusaka Municipal Hospital, Matsusaka, Japan
| | - Harunori Nakashima
- Department of Respiratory Medicine, Ogaki Municipal Hospital, Ogaki, Japan
| | - Daisuke Minami
- Department of Respiratory Medicine, Okayama Medical Center, Okayama, Japan
| | - Shotaro Okachi
- Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yasuyuki Mizumori
- Department of Respiratory Medicine, National Hospital Organization Himeji Medical Center, Himeji, Japan
| | - Masahiko Ando
- Department of Advanced Medicine, Nagoya University Hospital, Nagoya, Japan
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