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Li Y, Chen W, Xie F, Huang R, Liu X, Xiao Y, Cao L, Hu Y, Ke M, Wu S, Sun J. Novel electromagnetic navigation bronchoscopy system for the diagnosis of peripheral pulmonary nodules: a prospective, multicentre study. Thorax 2023; 78:1197-1205. [PMID: 37734951 PMCID: PMC10715528 DOI: 10.1136/thorax-2022-219664] [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: 09/22/2022] [Accepted: 08/17/2023] [Indexed: 09/23/2023]
Abstract
BACKGROUND Traditional electromagnetic navigation bronchoscopy (ENB) is a real-time image-guided system and used with thick bronchoscopes for the diagnosis of peripheral pulmonary nodules (PPNs). A novel ENB that could be used with thin bronchoscopes was developed. This study aimed to evaluate the diagnostic yield and the experience of using this ENB system in a real clinical scenario. METHODS This multicentre study enrolled consecutive patients with PPNs adopting ENB from March 2019 to August 2021. ENB was performed with different bronchoscopes, ancillary techniques and sampling instruments according to the characteristics of the nodule and the judgement of the operator. The primary endpoint was the diagnostic yield. The secondary endpoints included the diagnostic yield of subgroups, procedural details and complication rate. RESULTS In total, 479 patients with 479 nodules were enrolled in this study. The median lesion size was 20.9 (IQR, 15.9-25.9) mm. The overall diagnostic yield was 74.9% (359/479). A thin bronchoscope was used in 96.2% (461/479) nodules. ENB in combination with radial endobronchial ultrasound (rEBUS), a guide sheath (GS) and a thin bronchoscope was the most widely used guided method, producing a diagnostic yield of 74.1% (254/343). The median total procedural time was 1325.0 (IQR, 1014.0-1676.0) s. No severe complications occurred. CONCLUSION This novel ENB system can be used in combination with different bronchoscopes, ancillary techniques and sampling instruments with a high diagnostic yield and safety profile for the diagnosis of PPNs, of which the combination of thin bronchoscope, rEBUS and GS was the most common method in clinical practice. TRIAL REGISTRATION NUMBER NCT03716284.
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Affiliation(s)
- Ying Li
- Department of Respiratory Endoscopy, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Respiratory and Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Engineering Research Center of Respiratory Endoscopy, Shanghai, China
| | - Wei Chen
- Department of Pulmonary and Critical Care Medicine, Ruijin Hospital, Institute of Respiratory Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fangfang Xie
- Department of Respiratory Endoscopy, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Respiratory and Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Engineering Research Center of Respiratory Endoscopy, Shanghai, China
| | - Rui Huang
- Department of Respiratory Centre, The Second Affiliated Hospital of Xiamen Medical College, Xiamen, Fujian, China
| | - Xiang Liu
- Department of Pulmonary and Critical Care Medicine, First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Yang Xiao
- Department of Pulmonary and Critical Care Medicine, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Liming Cao
- Department of Respiratory Medicine, National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yi Hu
- Department of Pulmonary and Critical Care Medicine, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Mingyao Ke
- Department of Respiratory Centre, The Second Affiliated Hospital of Xiamen Medical College, Xiamen, Fujian, China
| | - Shiman Wu
- Department of Pulmonary and Critical Care Medicine, First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Jiayuan Sun
- Department of Respiratory Endoscopy, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Respiratory and Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Engineering Research Center of Respiratory Endoscopy, Shanghai, China
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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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A Novel Electromagnetic Navigation Bronchoscopy System for the Diagnosis of Peripheral Pulmonary Nodules: A Randomized Trial. Ann Am Thorac Soc 2022; 19:1730-1739. [PMID: 35679184 DOI: 10.1513/annalsats.202109-1071oc] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
RATIONALE Endobronchial ultrasound (EBUS) combined with a guide sheath (GS) as an instrument for confirming the proximity of the bronchoscope and its relationship to the lesion can increase the diagnostic yield when conducting transbronchial lung biopsy of peripheral pulmonary nodules (PPNs). A novel electromagnetic navigational bronchoscopy (ENB) system comprising a thinner locatable sensor probe as a guidance instrument was developed to be suitable for a thin bronchoscope with a 2-mm-diameter working channel. The diagnostic efficacy of EBUS-GS with or without this ENB system has not been confirmed. OBJECTIVES To compare the diagnostic value and safety of EBUS-GS with or without ENB system for diagnosing PPNs. METHODS A prospective, multicenter, randomized controlled clinical trial was designed and conducted at 3 centers. Patients with PPNs suspected to be malignant were enrolled and randomly assigned to the ENB-EBUS-GS group or EBUS-GS group. The primary endpoint was the diagnostic yield in each group. The secondary endpoint was the procedural time and other factors affecting diagnostic yield. The safety endpoint was procedural complications. RESULTS Four hundred participants were enrolled from July 2018 to October 2019 and 385 patients were analyzed, with 193 in the ENB-EBUS-GS group and 192 in the EBUS-GS group. The mean nodule size was 21.7±5.3 mm. The diagnostic yields were 82.9% (95% confidence interval (CI), 77.6%-88.2%) in the ENB-EBUS-GS group and 73.4% (95% CI, 67.2%-79.7%) in the EBUS-GS group. The difference between the two groups was 9.5% (95% CI, 2.6%-16.3%), with an adjusted difference of 9.0% (95% CI, 2.3%-15.8%), after adjusting for the stratification factors and center. The time for finding lesions in the ENB-EBUS-GS was shorter than that in the EBUS-GS group (213.2±145.6s vs. 264.8±189.5s, p=0.003). And intraoperative hemorrhage occurred 3.6% in the ENB-EBUS-GS group and 3.1% in the EBUS-GS group, without significant differences between the two groups. CONCLUSIONS The novel ENB system combined with EBUS-GS demonstrated improved ability to locate PPNs, achieving a high diagnostic yield for PPNs compared to EBUS-GS alone in a safe and efficient procedure. Clinical trial registered with ClinicalTrials.gov (NCT03569306).
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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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Zhang X, Wang T, Xiao X, Li X, Wang CY, Huang B, He L, Song Y. Radiotherapy for head and neck tumours using an oral fixation and parameter acquisition device and TOMO technology: a randomised controlled study. BMJ Open 2021; 11:e052542. [PMID: 34772753 PMCID: PMC8593711 DOI: 10.1136/bmjopen-2021-052542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 10/19/2021] [Indexed: 11/08/2022] Open
Abstract
INTRODUCTION Radiotherapy has become one of the main methods used for the treatment of malignant tumours of the head and neck. Spiral tomographic intensity-modulated radiotherapy has the many advantages of precision radiotherapy, which puts forward high requirements for postural reproducibility and accuracy. We will aim to ensure that the accurate positioning of the tumour will reduce the side effects of radiotherapy caused by positioning errors. We will design and implement this clinical trial using the patent of 'a radiotherapy oral fixation and parameter acquisition device (patent number: ZL201921877986.5)'. METHODS AND ANALYSIS This will be a randomised, controlled, prospective study with 120 patients with head and neck tumours. Using the random number table method, a random number sequence will be generated, and the patients will be enrolled in the experimental group (oral fixation device) and the control group (conventional fixation) in a 2:1 ratio. The primary outcome will be the progression-free survival time after the treatment. Secondary outcomes will include the oral mucosal reaction and the quality of life. Follow-ups will be carried out according to the plan. This is V.1.0 of protocol on 1 April 2021. The recruitment process for this clinical trial commenced on 1 May 2021, and will end on 1 October 2022. ETHICS AND DISSEMINATION The trial received ethical approval from Medical Ethics Committee of Liaoning Provincial Cancer Hospital (number 20210131X). The final results will be presented at a scientific conference and published in a peer-reviewed journal in accordance with the journal's guidelines. TRIAL REGISTRATION NUMBER ChiCTR2100045096.
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Affiliation(s)
- Xiaofang Zhang
- Department of Radiotherapy, Cancer Hospital of China Medical University, Shenyang, Liaoning, China
| | - Tianlu Wang
- Department of Radiotherapy, Cancer Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xinyan Xiao
- China Medical University, Cancer Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xia Li
- Department of Radiotherapy, Cancer Hospital of China Medical University, Shenyang, Liaoning, China
| | - Chen Yu Wang
- Department of Information Management, Cancer Hospital of China Medical University, Shenyang, Liaoning, China
| | - Bo Huang
- Department of Pathology, Cancer Hospital of China Medical University, Shenyang, Liaoning, China
| | - Lei He
- Department of Radiotherapy Physics, Cancer Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yingqiu Song
- Department of Radiotherapy, Cancer Hospital of China Medical University, Shenyang, Liaoning, China
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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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Robotic Bronchoscopy for Peripheral Pulmonary Lesion Biopsy: Evidence-Based Review of the Two Platforms. Diagnostics (Basel) 2021; 11:diagnostics11081479. [PMID: 34441413 PMCID: PMC8391906 DOI: 10.3390/diagnostics11081479] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/11/2021] [Accepted: 08/12/2021] [Indexed: 11/20/2022] Open
Abstract
Despite many advancements in recent years for the sampling of peripheral pulmonary lesions, the diagnostic yield remains low. Initial excitement about the current electromagnetic navigation platforms has subsided as the real-world data shows a significantly lower diagnostic sensitivity of ~70%. “CT-to-body divergence” has been identified as a major limitation of this modality. In-tandem use of the ultrathin bronchoscope and radial endobronchial ultrasound probe has yielded only comparable results, attributable to the limited peripheral reach, device maneuverability, stability, and distractors like atelectasis. As such, experts have identified three key steps in peripheral nodule sampling—navigation (to the lesion), confirmation (of the correct location), and acquisition (tissue sampling by tools). Robotic bronchoscopy (RB) is a novel innovation that aspires to improve upon these aspects and consequently, achieve a better diagnostic yield. Through this publication, we aim to review the technical aspects, safety, feasibility, and early efficacy data for this new diagnostic modality.
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Hong KS, Lee KH, Chung JH, Shin KC, Jin HJ, Jang JG, Ahn JH. Utility of Radial Probe Endobronchial Ultrasound Guided Transbronchial Lung Biopsy in Bronchus Sign Negative Peripheral Pulmonary Lesions. J Korean Med Sci 2021; 36:e176. [PMID: 34155838 PMCID: PMC8216993 DOI: 10.3346/jkms.2021.36.e176] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 05/24/2021] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND The presence of the bronchus sign on chest computed tomography is associated with an increased diagnostic yield of radial probe endobronchial ultrasound-guided transbronchial lung biopsy (RP-EBUS-TBLB). However, the utility of RP-EBUS-TBLB for bronchus sign negative peripheral pulmonary lesions (PPLs) remains unknown. We investigated the utility of RP-EBUS-TBLB in bronchus sign negative PPLs. METHODS We retrospectively reviewed data from 109 patients who underwent RP-EBUS for bronchus sign negative PPLs from January 2019 to August 2020. TBLB was performed using RP-EBUS with a guide sheath and without fluoroscopy. The EBUS visualization and TBLB diagnostic yields were assessed. Multivariable logistic regression analyses were used to identify factors affecting the EBUS visualization and diagnostic yields. RESULTS The EBUS visualization yield was 74.1% (68/109). Of the 109 lung lesions, 92 were definitively diagnosed. The overall diagnostic accuracy, sensitivity, specificity, positive predictive value, and negative predictive value were 50.5% (55/109), 34.9% (29/83), 100% (26/26), 100% (29/29), and 32.5% (26/80), respectively. In multivariable analyses, the size of the lesion (≥ 20 mm; odds ratio [OR], 2.62; 95% confidence interval [CI], 1.16-5.93; P = 0.021) and the distance from the pleura (> 10 mm; OR, 2.37; 95% CI, 1.02-5.52; P = 0.045) were associated with EBUS visualization. Regarding diagnostic yield, having the probe within the lesion (OR, 28.50; 95% CI, 6.26-129.85; P < 0.001) and a solid lesion (OR, 14.58; 95% CI, 2.64-80.38; P = 0.002) were associated with diagnostic success. Pneumothorax and hemoptysis occurred in 3.7% (4/109) and 0.9% (1/109), respectively, of the patients. CONCLUSION RP-EBUS-TBLB using a GS can be considered a diagnostic method in bronchus sign negative solid PPLs. Having the probe within the lesion and a solid lesion were important for diagnostic success. Complication rates were acceptable.
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Affiliation(s)
- Kyung Soo Hong
- Division of Pulmonology and Allergy, Department of Internal Medicine, College of Medicine, Yeungnam University and Respiratory Center, Yeungnam University Medical Center, Daegu, Korea
| | - Kwan Ho Lee
- Division of Pulmonology and Allergy, Department of Internal Medicine, College of Medicine, Yeungnam University and Respiratory Center, Yeungnam University Medical Center, Daegu, Korea
| | - Jin Hong Chung
- Division of Pulmonology and Allergy, Department of Internal Medicine, College of Medicine, Yeungnam University and Respiratory Center, Yeungnam University Medical Center, Daegu, Korea
| | - Kyeong Cheol Shin
- Division of Pulmonology and Allergy, Department of Internal Medicine, College of Medicine, Yeungnam University and Respiratory Center, Yeungnam University Medical Center, Daegu, Korea
| | - Hyun Jung Jin
- Division of Pulmonology and Allergy, Department of Internal Medicine, College of Medicine, Yeungnam University and Respiratory Center, Yeungnam University Medical Center, Daegu, Korea
| | - Jong Geol Jang
- Division of Pulmonology and Allergy, Department of Internal Medicine, College of Medicine, Yeungnam University and Respiratory Center, Yeungnam University Medical Center, Daegu, Korea.
| | - June Hong Ahn
- Division of Pulmonology and Allergy, Department of Internal Medicine, College of Medicine, Yeungnam University and Respiratory Center, Yeungnam University Medical Center, Daegu, Korea.
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Robotic bronchoscopy for peripheral pulmonary lesions: a convergence of technologies. Curr Opin Pulm Med 2021; 27:229-239. [PMID: 33973554 DOI: 10.1097/mcp.0000000000000782] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
PURPOSE OF REVIEW Robotic bronchoscopy is the newest advanced diagnostic bronchoscopy technology for biopsying peripheral pulmonary lesions; sensitivity for malignancy is currently suboptimal using modalities, such as radial endobronchial ultrasound or electromagnetic navigational bronchoscopy. We review the pitfalls of prior methods and the technological advancements with robotic bronchoscopy. RECENT FINDINGS The contributors to reduced diagnostic sensitivity with current approaches include limitations in: navigation to the target, confirmation once the target is reached, and tissue acquisition. CT to body divergence with virtual reality methods, such as with electromagnetic navigation, potential false-positive confirmation with radial endobronchial ultrasound because of intraprocedural induced atelectasis, and lack of bronchoscopic and instrument maneuverability are all limitations to improving sensitivity. Robotic bronchoscopy enhances navigation through target pathway selection, allows for further reach in the distal airways, and improves tissue acquisition with more flexible and maneuverable biopsy instruments but lacks a high-fidelity target confirmation system. SUMMARY Robotic bronchoscopy shows promise in biopsying peripheral lesions. Current published studies focus on diagnostic yield with robotic bronchoscopy. Future studies with long-term follow-up will be needed to assess diagnostic sensitivity for lung cancer and if robotic bronchoscopy is superior to other advanced diagnostic bronchoscopic techniques for peripheral pulmonary lesions.
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Pritchett MA. Prospective Analysis of a Novel Endobronchial Augmented Fluoroscopic Navigation System for Diagnosis of Peripheral Pulmonary Lesions. J Bronchology Interv Pulmonol 2021; 28:107-115. [PMID: 32732491 PMCID: PMC8132897 DOI: 10.1097/lbr.0000000000000700] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 06/23/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Navigational bronchoscopy has improved upon traditional bronchoscopy to identify suspicious pulmonary lesions, but wide variability exists in the diagnostic yield of various modalities. The aim of this study was to measure localization accuracy and diagnostic yield of a novel endobronchial augmented fluoroscopic navigation system (first-generation LungVision system) for peripheral pulmonary lesions (PPLs). METHODS This prospective single-center study included adults undergoing guided bronchoscopy to evaluate PPLs. Preprocedure computed tomography (CT) images were obtained, and planning software calculated a pathway to the lesion. A flexible bronchoscope was used to navigate along the pathway overlaid on the intraprocedural fluoroscopic image. When real-time display indicated the catheter tip had reached the lesion, cone-beam computed tomography (CBCT) was used to measure the actual location of the tip. Biopsy and rapid on-site cytopathologic evaluation were performed. RESULTS Fifty-one patients were included in the analysis. The median lesion diameter was 18.0 mm (range: 7.0 to 48.0 mm). Localization success was 96.1%. The average distance between lesion location as shown by LungVision augmented fluoroscopy and actual location measured by CBCT was 5.9 mm (range: 2.1 to 10.0 mm). Diagnostic yield at the index procedure was 78.4%. Diagnostic accuracy assessed at 12 months follow-up was 88.2%. Average CT-to-body divergence was 14.5 mm (range: 2.6 to 33.0 mm) from preprocedure CT to intraprocedural CBCT images. CONCLUSION Augmented fluoroscopy for navigation and biopsy of PPLs with the LungVision system showed a high localization success rate and corresponding high diagnostic yield. Navigation and biopsy with real-time visualization can improve diagnostic yield for PPLs.
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Affiliation(s)
- Michael A Pritchett
- FirstHealth Moore Regional Hospital and Pinehurst Medical Clinic, Pinehurst, NC
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Abstract
In the diagnosis of lung cancer, pulmonologists have several tools at their disposal. From the tried and true convex probe endobronchial ultrasound (EBUS)-guided transbronchial needle aspiration to robotic bronchoscopy for peripheral lesions and new technology to unblind the biopsy tools, this article elucidates and expounds on the tools currently available and being developed for lung cancer diagnosis.
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Kho SS, Nyanti LE, Chai CS, Chan SK, Tie ST. Feasibility of manual bronchial branch reading technique in navigating conventional rEBUS bronchoscopy in the evaluation of peripheral pulmonary lesion. CLINICAL RESPIRATORY JOURNAL 2020; 15:595-603. [PMID: 33113256 DOI: 10.1111/crj.13297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/09/2020] [Accepted: 10/23/2020] [Indexed: 11/27/2022]
Abstract
BACKGROUND Although radial endobronchial ultrasound (rEBUS) is an important verification tool in guided bronchoscopy, a navigational route was not provided. Manual airway mapping allows the bronchoscopist to translate the bronchial branching in computed tomography (CT) into a comparable bronchoscopic road map. We aimed to explore the feasibility of this technique in navigating conventional rEBUS bronchoscopy in the localisation of peripheral pulmonary lesion by determining navigation success and diagnostic yield. METHODS Retrospective review of consecutive rEBUS bronchoscopy performed with a 6.2 mm conventional bronchoscope navigated via manual bronchial branch reading technique over 18 months. RESULTS Ninety-eight target lesions were included. Median lesion size was 2.67 cm (IQR 2.22-3.38) with 96.9% demonstrating positive CT bronchus sign. Majority (86.7%) of lesions were situated in between the third and fifth airway generations. Procedure was performed with endotracheal intubation in 43.9% and fluoroscopy in 72.4%. 98.9% of lesions were successfully navigated and verified by rEBUS following the pre-planned airway road map. Bidirectional guiding device was employed in 29.6% of cases. Clinical diagnosis was secured in 88.8% of cases, majority of which were malignant disease. The discrepancy between navigation success and diagnostic yield was 10.1%. Target PPL located within five airway generations was associated with better diagnostic yield (95.1% vs. 58.8%, P < 0.001). There was 1 (1.0%) pneumothorax in our cohort. CONCLUSIONS Manual bronchial branch reading technique in combination with conventional rEBUS is feasible in localisation of PPL, especially for lesions located within the first five airway generations.
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Affiliation(s)
- Sze Shyang Kho
- Division of Respiratory Medicine, Department of Medicine, Sarawak General Hospital, Ministry of Health, Kuching, Sarawak, Malaysia
| | - Larry Ellee Nyanti
- Division of Respiratory Medicine, Department of Medicine, Sarawak General Hospital, Ministry of Health, Kuching, Sarawak, Malaysia
| | - Chan Sin Chai
- Division of Respiratory Medicine, Department of Medicine, Sarawak General Hospital, Ministry of Health, Kuching, Sarawak, Malaysia
| | - Swee Kim Chan
- Division of Respiratory Medicine, Department of Medicine, Sarawak General Hospital, Ministry of Health, Kuching, Sarawak, Malaysia
| | - Siew Teck Tie
- Division of Respiratory Medicine, Department of Medicine, Sarawak General Hospital, Ministry of Health, Kuching, Sarawak, Malaysia
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Augmented Fluoroscopy: A New and Novel Navigation Platform for Peripheral Bronchoscopy. J Bronchology Interv Pulmonol 2020; 28:116-123. [PMID: 33105419 DOI: 10.1097/lbr.0000000000000722] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 09/18/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND The diagnosis of lung nodules continues to be a challenge. Confirmed diagnosis allows appropriate treatment for cancers and allows avoidance of more invasive procedures for proven noncancers. Currently, available lung biopsy technologies each have their own limitations, which affect the ability to successfully navigate to a suspicious nodule and to collect a diagnostic sample. Additional advancements in endobronchial navigation, localization, and guided biopsy are needed to obtain higher rates of definitive diagnosis for lung nodules. METHODS This is a prospective, multicenter study that assessed the localization success rate and diagnostic yield of bronchoscopies guided only by the LungVision platform. Physicians navigated to pulmonary nodules according to a proposed pathway and verified nodule location using radial endobronchial ultrasound before the biopsy. RESULTS Fifty-five patients were enrolled in the study. Two patients had >1 nodule that was evaluated on the day of the procedure. During bronchoscopy, the nodule localization success rate was 93%. The overall diagnostic yield measured the day of the procedure, based on the immediate rapid on-site pathology report, was 75.4%. CONCLUSION LungVision provides reliable navigation and ability to biopsy pulmonary nodules with an acceptable success rate. The platform demonstrates a high localization rate of pulmonary nodules.
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Chen AC, Pastis NJ, Mahajan AK, Khandhar SJ, Simoff MJ, Machuzak MS, Cicenia J, Gildea TR, Silvestri GA. Robotic Bronchoscopy for Peripheral Pulmonary Lesions: A Multicenter Pilot and Feasibility Study (BENEFIT). Chest 2020; 159:845-852. [PMID: 32822675 PMCID: PMC7856527 DOI: 10.1016/j.chest.2020.08.2047] [Citation(s) in RCA: 123] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 07/31/2020] [Accepted: 08/10/2020] [Indexed: 12/24/2022] Open
Abstract
Background The diagnosis of peripheral pulmonary lesions (PPL) continues to present clinical challenges. Despite extensive experience with guided bronchoscopy, the diagnostic yield has not improved significantly. Robotic-assisted bronchoscopic platforms have been developed potentially to improve the diagnostic yield for PPL. Presently, limited data exist that evaluate the performance of robotic systems in live human subjects. Research Question What is the safety and feasibility of robotic-assisted bronchoscopy in patients with PPLs? Study Design and Methods This was a prospective, multicenter pilot and feasibility study that used a robotic bronchoscopic system with a mother-daughter configuration in patients with PPL 1 to 5 cm in size. The primary end points were successful lesion localization with the use of radial probe endobronchial ultrasound (R-EBUS) imaging and incidence of procedure related adverse events. Robotic bronchoscopy was performed in patients with the use of direct visualization, electromagnetic navigation, and fluoroscopy. After the use of R-EBUS imaging, transbronchial needle aspiration was performed. Rapid on-site evaluation (ROSE) was used on all cases. Transbronchial needle aspiration alone was sufficient when ROSE was diagnostic; when ROSE was not diagnostic, transbronchial biopsy was performed with the use of the robotic platform, followed by conventional guided bronchoscopic approaches at the discretion of the investigator. Results Fifty-five patients were enrolled at five centers. One patient withdrew consent, which left 54 patients for data analysis. Median lesion size was 23 mm (interquartile range, 15 to 29 mm). R-EBUS images were available in 53 of 54 cases. Lesion localization was successful in 51 of 53 patients (96.2%). Pneumothorax was reported in two of 54 of the cases (3.7%); tube thoracostomy was required in one of the cases (1.9 %). No additional adverse events occurred. Interpretation This is the first, prospective, multicenter study of robotic bronchoscopy in patients with PPLs. Successful lesion localization was achieved in 96.2% of cases, with an adverse event rate comparable with conventional bronchoscopic procedures. Additional large prospective studies are warranted to evaluate procedure characteristics, such as diagnostic yield. Clinical Trial Registration ClinicalTrials.gov; No.: NCT03727425; URL: www.clinicaltrials.gov.
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Abstract
The field of interventional pulmonology has grown rapidly since first being defined as a subspecialty of pulmonary and critical care medicine in 2001. The interventional pulmonologist has expertise in minimally invasive diagnostic and therapeutic procedures involving airways, lungs, and pleura. In this review, we describe recent advances in the field as well as up-and-coming developments, chiefly from the perspective of medical practice in the United States. Recent advances include standardization of formalized training, new tools for the diagnosis and potential treatment of peripheral lung nodules (including but not limited to robotic bronchoscopy), increasingly well-defined bronchoscopic approaches to management of obstructive lung diseases, and minimally invasive techniques for maximizing patient-centered outcomes for those with malignant pleural effusion.
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Shaller BD, Gildea TR. What is the value of electromagnetic navigation in lung cancer and to what extent does it require improvement? Expert Rev Respir Med 2020; 14:655-669. [DOI: 10.1080/17476348.2020.1748012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Brian D. Shaller
- Interventional Pulmonology, Respiratory Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Thomas R. Gildea
- Interventional Pulmonology, Respiratory Institute, Cleveland Clinic, Cleveland, OH, USA
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Chen AC, Pastis NJ, Machuzak MS, Gildea TR, Simoff MJ, Gillespie CT, Mahajan AK, Oh SS, Silvestri GA. Accuracy of a Robotic Endoscopic System in Cadaver Models with Simulated Tumor Targets: ACCESS Study. Respiration 2019; 99:56-61. [PMID: 31805570 DOI: 10.1159/000504181] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 10/16/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Bronchoscopy for the diagnosis of peripheral pulmonary lesions continues to present clinical challenges, despite increasing experience using newer guided techniques. Robotic bronchoscopic platforms have been developed to potentially improve diagnostic yields. Previous studies in cadaver models have demonstrated increased reach into the lung periphery using robotic systems compared to similarly sized conventional bronchoscopes, although the clinical impact of additional reach is unclear. OBJECTIVES This study was performed to evaluate the performance of a robotic bronchoscopic system's ability to reach and access artificial tumor targets simulating peripheral nodules in human cadaveric lungs. METHODS Artificial tumor targets sized 10-30 mm in axial diameter were implanted into 8 human cadavers. CT scans were performed prior to procedures and all cadavers were intubated and mechanically ventilated. Electromagnetic navigation, radial probe endobronchial ultrasound, and fluoroscopy were used for all procedures. Robotic-assisted bronchoscopy was performed on each cadaver by an individual bronchoscopist to localize and biopsy peripheral lesions. RESULTS Sixty-seven nodules were evaluated in 8 cadavers. The mean nodule size was 20.4 mm. The overall diagnostic yield was 65/67 (97%) and there was no statistical difference in diagnostic yield for lesions <20 mm compared with lesions measuring 21-30 mm, the presence of a concentric or eccentric radial ultrasound image, or relative distance from the pleura. CONCLUSIONS The robotic bronchoscopic system was successful at biopsying 97% of peripheral pulmonary lesions 10-30 mm in size in human cadavers. These findings support further exploration of this technology in prospective clinical trials in live human subjects.
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Affiliation(s)
- Alexander C Chen
- Division of Pulmonary and Critical Care Medicine, Washington University School of Medicine, St. Louis, Missouri, USA,
| | - Nicholas J Pastis
- Division of Pulmonary and Critical Care Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | | | - Thomas R Gildea
- Respiratory Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Michael J Simoff
- Division of Pulmonary and Critical Care Medicine, Henry Ford Hospital, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Colin T Gillespie
- Division of Pulmonary and Critical Care Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Amit K Mahajan
- Inova Heart and Vascular Institute, Falls Church, Virginia, USA
| | - Scott S Oh
- Division of Pulmonary Medicine, University of California, Los Angeles, California, USA
| | - Gerard A Silvestri
- Division of Pulmonary and Critical Care Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
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Computed Tomography Bronchus Sign and the Diagnostic Yield of Guided Bronchoscopy for Peripheral Pulmonary Lesions. A Systematic Review and Meta-Analysis. Ann Am Thorac Soc 2019; 15:978-987. [PMID: 29877715 DOI: 10.1513/annalsats.201711-856oc] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
RATIONALE Indeterminate peripheral pulmonary lesions (PPLs) often require tissue diagnosis. If nonsurgical biopsy techniques are considered, deciding between bronchoscopic transbronchial versus computed tomography-guided transthoracic biopsy can be difficult. The former has a low diagnostic yield with a low complication risk, whereas the latter has a better diagnostic yield but a higher complication rate. Investigators have looked at various lesion characteristics that can predict the diagnostic yield of guided bronchoscopic biopsies. Although consensus exists that larger size and proximity to the hilum increase the diagnostic yield, there is ongoing debate about the association between computed tomography bronchus sign (air-filled bronchus in close proximity of the lesion as seen on computed tomography imaging) and the diagnostic yield of guided bronchoscopic modalities. OBJECTIVES To perform a meta-analysis and systematic review, determining the association between computed tomography bronchus sign and the diagnostic yield of guided bronchoscopy for PPLs. METHODS MEDLINE, Embase, Scopus, and Google Scholar were searched in January 2018 for guided bronchoscopy studies that had assessed the impact of computed tomography bronchus sign on the diagnostic yield. The quality of included studies was assessed using Quality Assessment of Diagnostic Accuracy Studies-2 tool. Meta-analysis was performed using MedCalc (version 18). Odds ratios were used to compare yield of lesions with and without bronchus sign. Random effects model was used when significant heterogeneity was observed (I2 > 40%). RESULTS For 2,199 lesions with computed tomography bronchus sign, the overall weighted diagnostic yield was 74.1% (95% confidence interval, 68.3-79.5%). For 971 lesions without computed tomography bronchus sign, the overall weighted diagnostic yield was 49.6% (95% confidence interval, 39.6-59.5%). The odds ratio for successfully diagnosing a lesion with computed tomography bronchus sign was 3.4 (95% confidence interval, 2.4-5.0). Possible sources of heterogeneity in the meta-analysis included differences in study designs, guidance modalities, and cancer prevalence. The odds ratio for successfully diagnosing a lesion with computed tomography bronchus sign was relatively lower for prospective studies. CONCLUSIONS PPLs with computed tomography bronchus sign are more likely to be diagnosed with guided bronchoscopy than the lesions without computed tomography bronchus sign. Clinicians should consider this, along with the lesion size and distance from the hilum, when contemplating guided bronchoscopy for PPLs.
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Kho SS, Chan SK, Yong MC, Tie ST. Performance of transbronchial cryobiopsy in eccentrically and adjacently orientated radial endobronchial ultrasound lesions. ERJ Open Res 2019; 5:00135-2019. [PMID: 31649952 PMCID: PMC6801218 DOI: 10.1183/23120541.00135-2019] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 08/13/2019] [Indexed: 11/05/2022] Open
Abstract
Background Radial endobronchial ultrasound (R-EBUS) is an effective technique in the diagnosis of peripheral pulmonary lesions (PPL). However, lesion orientation with regards to the radial probe remains an important factor for effective biopsy. "Within" orientation was associated with significantly higher diagnostic yield. Cryobiopsy is a novel technique in obtaining larger tissue samples with the frozen tip allowing biopsy in a 360° direction, thus potentially achieving more effective biopsy in eccentrically and adjacently orientated lesions. We aimed to evaluate the performance and safety of transbronchial cryobiopsy versus forceps biopsy in eccentrically and adjacently orientated R-EBUS lesions. Methods Retrospective review of R-EBUS transbronchial biopsy for PPL over 17 months. Results 114 R-EBUS scans were included for analysis during the study period. Forceps biopsy was performed in 76 (66.7%) cases and cryobiopsy in 38 (33.3%) cases. Baseline demographics and lesion characteristics did not differ between the two groups. Median (interquartile range) lesion size was 3.48 (2.63-4.51) cm. Overall, 41.2% of lesions were of eccentric orientation and 15.8% adjacent orientation; only 43% were concentric in orientation. Overall diagnostic yield was 67.5% (77 out of 114). Orientation remained an important factor affecting diagnostic yield. Transbronchial cryobiopsy significantly increased the diagnostic yield in eccentrically and adjacently orientated lesions to 75.0% (18 out of 24), compared to 48.8% (20 out of 41) obtained via forceps biopsy (p<0.05); but not in concentric lesions. Cryobiopsy was associated with more mild and moderate bleeding complications compared to the forceps biopsy group. Conclusions Transbronchial cryobiopsy under R-EBUS guidance is a safe procedure which potentially increases diagnostic yield in eccentrically and adjacently orientated PPLs.
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Affiliation(s)
- Sze Shyang Kho
- Division of Respiratory Medicine, Dept of Medicine, Sarawak General Hospital, Ministry of Health, Kuching, Malaysia
| | - Swee Kim Chan
- Division of Respiratory Medicine, Dept of Medicine, Sarawak General Hospital, Ministry of Health, Kuching, Malaysia
| | - Mei Ching Yong
- Division of Respiratory Medicine, Dept of Medicine, Sarawak General Hospital, Ministry of Health, Kuching, Malaysia
| | - Siew Teck Tie
- Division of Respiratory Medicine, Dept of Medicine, Sarawak General Hospital, Ministry of Health, Kuching, Malaysia
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Use of an Ultrathin vs Thin Bronchoscope for Peripheral Pulmonary Lesions: A Randomized Trial. Chest 2019; 156:954-964. [PMID: 31356810 DOI: 10.1016/j.chest.2019.06.038] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Revised: 05/31/2019] [Accepted: 06/27/2019] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND When evaluating peripheral pulmonary lesions, a 3.0-mm ultrathin bronchoscope (UTB) with a 1.7-mm working channel is advantageous regarding good access to the peripheral airway, whereas a 4.0-mm thin bronchoscope provides a larger 2.0-mm working channel, which allows the use of various instruments including a guide sheath (GS), larger forceps, and an aspiration needle. This study compared multimodal bronchoscopy using a UTB and a thin bronchoscope with multiple sampling methods for the diagnosis of peripheral pulmonary lesions. METHODS Patients with peripheral pulmonary lesions ≤ 30 mm in diameter were recruited and randomized to undergo endobronchial ultrasonography, virtual bronchoscopy, and fluoroscopy-guided bronchoscopy using a 3.0-mm UTB (UTB group) or a 4.0-mm thin bronchoscope (thin bronchoscope group). In the thin bronchoscope group, the use of small forceps with a GS or standard forceps without the GS was permitted. In addition, needle aspiration was performed for lesions into which an ultrasound probe could not be inserted. RESULTS A total of 360 patients were enrolled, and 356 were included in the analyses (median largest lesional diameter, 19 mm). The overall diagnostic yield was significantly higher in the UTB group than in the thin bronchoscope group (70.1% vs 58.7%, respectively; P = .027). The procedure duration was significantly shorter in the UTB group (median, 24.8 vs 26.8 min, respectively; P = .008). The complication rates were 2.8% and 4.5%, respectively (P = .574). CONCLUSIONS Multimodal bronchoscopy using a UTB afforded a higher diagnostic yield than that using a thin bronchoscope in the diagnosis of small peripheral pulmonary lesions. TRIAL REGISTRY UMIN Clinical Trials Registry; No.: UMIN000010133; URL: https://www.umin.ac.jp/ctr/.
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Abstract
INTRODUCTION The field of interventional pulmonology (IP) is a rapidly maturing subspecialty of pulmonary medicine, which emphasizes advanced diagnostic and therapeutic bronchoscopy for the evaluation and management of central airway obstruction, mediastinal/hilar adenopathy and lung nodules/masses, as well as minimally invasive diagnostic and therapeutic pleural procedures. Areas covered: This review describes advances in diagnostic and therapeutic bronchoscopic techniques. Expert commentary: In the past decade, there has been a remarkable growth in available technology and equipment, as well as clinical and translational research efforts focused on patient-centered outcomes. Furthermore, the recent establishment of a uniform accreditation standard for all IP fellowship programs in the United States was an important step in the continued evolution of this subspecialty of pulmonary medicine.
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Affiliation(s)
- Diana H Yu
- a School of Medicine, Division of Pulmonary/Critical Care Medicine, Section of Interventional Pulmonology , Johns Hopkins University , Baltimore , USA
| | - David Feller-Kopman
- a School of Medicine, Division of Pulmonary/Critical Care Medicine, Section of Interventional Pulmonology , Johns Hopkins University , Baltimore , USA
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Ali MS, Trick W, Mba BI, Mohananey D, Sethi J, Musani AI. Radial endobronchial ultrasound for the diagnosis of peripheral pulmonary lesions: A systematic review and meta-analysis. Respirology 2017; 22:443-453. [DOI: 10.1111/resp.12980] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Revised: 11/18/2016] [Accepted: 11/20/2016] [Indexed: 12/13/2022]
Affiliation(s)
- Muhammad S. Ali
- Division of Pulmonary, Critical Care and Sleep Medicine; Medical College of Wisconsin; Milwaukee Wisconsin USA
| | - William Trick
- Department of Medicine; John H. Stroger, Jr. Hospital of Cook County; Chicago Illinois USA
| | - Benjamin I. Mba
- Department of Medicine; John H. Stroger, Jr. Hospital of Cook County; Chicago Illinois USA
| | | | - Jaskaran Sethi
- Department of Medicine; John H. Stroger, Jr. Hospital of Cook County; Chicago Illinois USA
| | - Ali I. Musani
- Division of Pulmonary, Critical Care and Sleep Medicine; Medical College of Wisconsin; Milwaukee Wisconsin USA
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Localization of Peripheral Pulmonary Lesions Using Navigational Bronchoscopy and Radial Probe Endobronchial Ultrasound Confirmation. Ann Am Thorac Soc 2016; 14:150-152. [PMID: 28035876 DOI: 10.1513/annalsats.201609-714le] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Localization of Peripheral Pulmonary Lesions Using a Method of Combining Analysis of Chest Computed Tomographic Imaging with Radial Probe Endobronchial Ultrasound Imaging. Ann Am Thorac Soc 2016; 13:2105-2106. [PMID: 27831815 DOI: 10.1513/annalsats.201607-563le] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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