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Lin CK, Ruan SY, Fan HJ, Chang HC, Lin YT, Ho CC. Using cryoprobes of different sizes combined with cone-beam computed tomography-derived augmented fluoroscopy and endobronchial ultrasound to diagnose peripheral pulmonary lesions: a propensity-matched study. Respir Res 2024; 25:65. [PMID: 38317222 PMCID: PMC10840252 DOI: 10.1186/s12931-024-02700-w] [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: 11/19/2023] [Accepted: 01/22/2024] [Indexed: 02/07/2024] Open
Abstract
BACKGROUND Endobronchial ultrasound (EBUS) and cone-beam computed tomography-derived augmented fluoroscopy (CBCT-AF) are utilized for the diagnosis of peripheral pulmonary lesions (PPLs). Combining them with transbronchial cryobiopsy (TBC) can provide sufficient tissue for genetic analysis. However, cryoprobes of different sizes have varying degrees of flexibility, which can affect their ability to access the target bronchus and potentially impact the accuracy. The aim of this study was to compare the diagnostic efficacy of cryoprobes of varying sizes in CBCT-AF and EBUS for the diagnosis of PPLs. METHODS Patients who underwent endobronchial ultrasound-guided transbronchial biopsy (EBUS-TBB) and TBC combined with CBCT-AF for PPLs diagnosis between January 2021 and May 2022 were included. Propensity score matching and competing-risks regression were utilized for data analysis. Primary outcome was the diagnostic accuracy of TBC. RESULTS A total of 284 patients underwent TBC, with 172 using a 1.7-mm cryoprobe (1.7 group) and 112 using a 1.1-mm cryoprobe (1.1 group). Finally, we included 99 paired patients following propensity score matching. The diagnostic accuracy of TBC was higher in the 1.1 group (80.8% vs. 69.7%, P = 0.050), with a similar rate of complications. Subgroup analysis also revealed that the 1.1 group had better accuracy when PPLs were located in the upper lobe (85.2% vs. 66.1%, P = 0.020), when PPLs were smaller than 20 mm (78.8% vs. 48.8%, P = 0.008), and when intra-procedural CBCT was needed to be used (79.5% vs. 42.3%, P = 0.001). TBC obtained larger specimens than TBB in both groups. There is still a trend of larger sample size obtained in the 1.7 group, but there is no statistically different between our two study groups (40.8 mm2 vs. 22.0 mm2, P = 0.283). CONCLUSIONS The combination of TBC with CBCT-AF and EBUS is effective in diagnosing PPLs, and a thin cryoprobe is preferred when the PPLs located in difficult areas.
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Affiliation(s)
- Ching-Kai Lin
- Department of Medicine, National Taiwan University Cancer Center, Taipei, 106, Taiwan
- Department of Internal Medicine, National Taiwan University Hospital, 7, Chung-Shan South Road, Taipei, 100, Taiwan
- Department of Internal Medicine, National Taiwan University Hsin-Chu Hospital, Hsin-Chu 300, Taipei, Taiwan
| | - Sheng-Yuan Ruan
- Department of Internal Medicine, National Taiwan University Hospital, 7, Chung-Shan South Road, Taipei, 100, Taiwan
- Institute of Epidemiology and Preventive Medicine, National Taiwan University, No.17 Xu-Zhou Road, Taipei, 10020, Taiwan
| | - Hung-Jen Fan
- Department of Medicine, National Taiwan University Cancer Center, Taipei, 106, Taiwan
- Department of Internal Medicine, National Taiwan University Biomedical Park Hospital, Hsin-Chu County 302, Taipei, Taiwan
| | - Hao-Chun Chang
- Department of Medicine, National Taiwan University Cancer Center, Taipei, 106, Taiwan
- Department of Internal Medicine, National Taiwan University Hospital, 7, Chung-Shan South Road, Taipei, 100, Taiwan
- Department of Internal Medicine, National Taiwan University Biomedical Park Hospital, Hsin-Chu County 302, Taipei, Taiwan
| | - Yen-Ting Lin
- Department of Medicine, National Taiwan University Cancer Center, Taipei, 106, Taiwan
- Department of Internal Medicine, National Taiwan University Hospital, 7, Chung-Shan South Road, Taipei, 100, Taiwan
| | - Chao-Chi Ho
- Department of Internal Medicine, National Taiwan University Hospital, 7, Chung-Shan South Road, Taipei, 100, Taiwan.
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Akulian J, Molena D, Wahidi MM, Chen A, Yu D, Maldonado F, Lee H, Vachani A, Yarmus L. A Direct Comparative Study of Bronchoscopic Navigation Planning Platforms for Peripheral Lung Navigation: The ATLAS Study. J Bronchology Interv Pulmonol 2022; 29:171-178. [PMID: 35730777 PMCID: PMC10160911 DOI: 10.1097/lbr.0000000000000806] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 07/16/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND The use of mapping to guide peripheral lung navigation (PLN) represents an advance in the management of peripheral pulmonary lesions (PPL). Software has been developed to virtually reconstruct computed tomography images into 3-dimensional airway maps and generate navigation pathways to target PPL. Despite this there remain significant gaps in understanding the factors associated with navigation success and failure including the cartographic performance characteristics of these software algorithms. This study was designed to determine whether differences exist when comparing PLN mapping platforms. METHODS An observational direct comparison was performed to evaluate navigation planning software packages for the lung. The primary endpoint was distance from the terminal end of the virtual navigation pathway to the target PPL. Secondary endpoints included distal virtual and segmental airway generations built to the target and/or in each lung. RESULTS Twenty-five patient chest computed tomography scans with 41 PPL were evaluated. Virtual airway and navigation pathway maps were generated for each scan/nodule across all platforms. Virtual navigation pathway comparison revealed differences in the distance from the terminal end of the navigation pathway to the target PPL (robotic bronchoscopy 9.4 mm vs. tip-tracked electromagnetic navigation 14.2 mm vs. catheter based electromagnetic navigation 17.2 mm, P=0.0005) and in the generation of complete distal airway maps. CONCLUSION Comparing PLN planning software revealed significant differences in the generation of virtual airway and navigation maps. These differences may play an unrecognized role in the accurate PLN and biopsy of PPL. Further prospective trials are needed to quantify the effect of the differences reported.
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Affiliation(s)
- Jason Akulian
- Division of Pulmonary and Critical Care, University of North Carolina School of Medicine
| | - Daniela Molena
- Division of Thoracic Surgery, Memorial Sloan Kettering Cancer Center
| | - Momen M. Wahidi
- Division of Pulmonary and Critical Care, Duke University School of Medicine
| | - Alex Chen
- Division of Pulmonary and Critical Care, Washington University of St Louis School of Medicine
| | - Diana Yu
- Division of Pulmonary and Critical Care, University of Southern California
| | - Fabien Maldonado
- Division of Pulmonary and Critical Care, Vanderbilt University School of Medicine
| | - Hans Lee
- Division of Pulmonary and Critical Care, Johns Hopkins University School of Medicine
| | - Anil Vachani
- Division of Pulmonary and Critical Care, University of Pennsylvania School of Medicine
| | - Lonny Yarmus
- Division of Pulmonary and Critical Care, Johns Hopkins University School of Medicine
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Cone-Beam Computed Tomography-Derived Augmented Fluoroscopy Improves the Diagnostic Yield of Endobronchial Ultrasound-Guided Transbronchial Biopsy for Peripheral Pulmonary Lesions. Diagnostics (Basel) 2021; 12:diagnostics12010041. [PMID: 35054208 PMCID: PMC8774719 DOI: 10.3390/diagnostics12010041] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/14/2021] [Accepted: 12/22/2021] [Indexed: 11/17/2022] Open
Abstract
Background: Endobronchial ultrasound-guided transbronchial biopsy (EBUS-TBB) is used for the diagnosis of peripheral pulmonary lesions (PPLs), but the diagnostic yield is not adequate. Cone-beam computed tomography-derived augmented fluoroscopy (CBCT-AF) can be utilized to assess the location of PPLs and biopsy devices, and has the potential to improve the diagnostic accuracy of bronchoscopic techniques. The purpose of this study was to verify the contribution of CBCT-AF to EBUS-TBB. Methods: Patients who underwent EBUS-TBB for diagnosis of PPLs were enrolled. The navigation success rate and diagnostic yield were used to evaluate the effectiveness of CBCT-AF in EBUS-TBB. Results: In this study, 236 patients who underwent EBUS-TBB for PPL diagnosis were enrolled. One hundred fifteen patients were in CBCT-AF group and 121 were in non-AF group. The navigation success rate was significantly higher in the CBCT-AF group (96.5% vs. 86.8%, p = 0.006). The diagnostic yield was even better in the CBCT-AF group when the target lesion was small in size (68.8% vs. 0%, p = 0.026 for lesions ≤10 mm and 77.5% vs. 46.4%, p = 0.016 for lesions 10–20 mm, respectively). The diagnostic yield of the two study groups became similar when the procedures with a failure of navigation were excluded. The procedure-related complication rate was similar between the two study groups. Conclusion: CBCT-AF is safe, and effectively enhances the navigation success rate, thereby increasing the diagnostic yield of EBUS-TBB for PPLs.
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Yarmus L, Akulian J, Wahidi M, Chen A, Steltz JP, Solomon SL, Yu D, Maldonado F, Cardenas-Garcia J, Molena D, Lee H, Vachani A. A Prospective Randomized Comparative Study of Three Guided Bronchoscopic Approaches for Investigating Pulmonary Nodules: The PRECISION-1 Study. Chest 2019; 157:694-701. [PMID: 31678307 DOI: 10.1016/j.chest.2019.10.016] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/06/2019] [Accepted: 10/09/2019] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND The capability of bronchoscopy in the diagnosis of peripheral pulmonary nodules (PPNs) remains limited. Despite decades of effort, evidence suggests that the diagnostic accuracy for electromagnetic navigational bronchoscopy (EMN) and radial endobronchial ultrasound (EBUS) approach only 50%. New developments in robotic bronchoscopy (RB) may offer improvements in the assessment of PPNs. METHODS A prospective single-blinded randomized controlled comparative study to assess success in localization and puncture of PPNs, using an ultrathin bronchoscope with radial EBUS (UTB-rEBUS) vs EMN vs RB in a human cadaver model of PPNs < 2 cm, was performed. The primary end point was the ability to successfully localize and puncture the target nodule, verified by cone-beam CT comparing RB and EMN. Secondary end points included needle to target position "miss" distance, and UTB-rEBUS comparisons. RESULTS Sixty procedures were performed to target 20 PPNs over the study period. Implanted PPNs were distributed across all lobes, with 80% located within the lung periphery. The target PPN mean diameter was 16.5 ± 1.5 mm, with 50% noted to have a CT bronchus sign. The rate of successful PPN localization and puncture was superior when using RB, compared with EMN (80% vs 45%; P = .02). Among unsuccessful needle passes, the median needle to target "miss" distance was significantly different when comparing UTB-rEBUS, EMN, and RB (P = .0014). CONCLUSIONS In a cadaver model, use of RB significantly increased the ability to localize and successfully puncture small PPNs when compared with existing technologies. This study demonstrates the potential of RB to precisely reach, localize, and puncture small nodules in the periphery of the lung.
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Affiliation(s)
- Lonny Yarmus
- Division of Pulmonary and Critical Care, Johns Hopkins University School of Medicine, Baltimore, MD.
| | - Jason Akulian
- Division of Pulmonary and Critical Care, University of North Carolina School of Medicine, Chapel Hill, NC
| | - Momen Wahidi
- Division of Pulmonary and Critical Care, Duke University School of Medicine, Durham, NC
| | - Alex Chen
- Division of Pulmonary and Critical Care, Washington University of St. Louis School of Medicine, St. Louis, MO
| | - Jennifer P Steltz
- Division of Pulmonary and Critical Care, University of Pennsylvania School of Medicine, Philadelphia, PA
| | - Sam L Solomon
- Division of Pulmonary and Critical Care, University of Pennsylvania School of Medicine, Philadelphia, PA
| | - Diana Yu
- Division of Pulmonary and Critical Care, Stanford University School of Medicine, Stanford, CA
| | - Fabien Maldonado
- Division of Pulmonary and Critical Care, Vanderbilt University School of Medicine, Nashville, TN
| | - Jose Cardenas-Garcia
- Division of Pulmonary and Critical Care, University of Michigan School of Medicine, Ann Arbor, MI
| | - Daniela Molena
- Division of Thoracic Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Hans Lee
- Division of Pulmonary and Critical Care, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Anil Vachani
- Division of Pulmonary and Critical Care, University of Pennsylvania School of Medicine, Philadelphia, PA; Division of Pulmonary and Critical Care, University of Pennsylvania School of Medicine, and the Corporal Michael J. Crescenz VA Medical Center Philadelphia, PA
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Tipping Point: Cone Beam CT With Augmented Fluoroscopy for the Biopsy and Treatment of Peripheral Nodules: Erratum. J Bronchology Interv Pulmonol 2019; 26:141. [DOI: 10.1097/lbr.0000000000000580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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