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Satomura H, Higashihara H, Kimura Y, Nakamura M, Tanaka K, Ono Y, Kuriu A, Tomiyama N. Normal saline injection and rapid rollover; preventive effect on incidence of pneumothorax after CT-guided lung biopsy: a retrospective cohort study. BMC Pulm Med 2024; 24:505. [PMID: 39390470 PMCID: PMC11468255 DOI: 10.1186/s12890-024-03315-z] [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: 03/16/2024] [Accepted: 09/30/2024] [Indexed: 10/12/2024] Open
Abstract
BACKGROUND Computed tomography (CT)-guided lung biopsy is a widely used technique for the diagnosis of pulmonary lesions and with a high technical success rate and diagnostic accuracy. On the other hand, it is associated with a high risk of complications, especially pneumothorax. Various methods have been tried to reduce the incidence of pneumothorax, but no established method exists. The purpose of this study was to evaluate whether the combination of tract sealing with normal saline and rapid rollover can reduce the rate of pneumothorax and chest tube insertion after CT-guided lung biopsy. METHODS We reviewed all CT-guided lung biopsies performed at a single institution between October 2016 and December 2021. Before August 2019, no specific additional techniques were employed to mitigate complications (Group 1). In contrast, after September 2019, normal saline for tract sealing was injected during needle removal, and if pneumothorax was observed during the intervention, the patient was rolled over into the puncture-site down position immediately after needle removal (Group 2). The rate of complications was compared between the two groups. RESULTS 130 patients in Group 1 and 173 in Group 2 were evaluated. There was no significant difference in pneumothorax rate between the two groups (30.0% vs. 23.1%, P = .177). A chest tube was inserted in 10 of 130 patients in Group 1 and only in 1 of 173 in Group 2 (P = .001). There were no complications associated with this combinational technique. CONCLUSIONS The combination of normal saline injection and rapid rollover significantly reduced the incidence of pneumothorax requiring chest tube insertion after CT-guided lung biopsy. Therefore, normal saline injection and rapid rollover can serve as a preventive method for severe pneumothorax in CT-guided lung biopsy.
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Affiliation(s)
- Hiroki Satomura
- Department of Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Osaka, Japan.
| | - Hiroki Higashihara
- Department of High Precision Image-guided Percutaneous Intervention, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Osaka, Japan
| | - Yasushi Kimura
- Department of High Precision Image-guided Percutaneous Intervention, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Osaka, Japan
| | - Masahisa Nakamura
- Department of Diagnostic Radiology, Sakai City Medical Center, 1-1-1 Ebaraji, Nishiku, Sakai, 593-8304, Osaka, Japan
| | - Kaishu Tanaka
- Department of Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Osaka, Japan
| | - Yusuke Ono
- Department of Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Osaka, Japan
| | - Akihiro Kuriu
- Department of Diagnostic Radiology, Sakai City Medical Center, 1-1-1 Ebaraji, Nishiku, Sakai, 593-8304, Osaka, Japan
| | - Noriyuki Tomiyama
- Department of Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Osaka, Japan
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Deng XB, Xie L, Zhu HB, Liu YL, Yang SX, Zhao B, Sun RJ, Li XT, Chen ML, Sun YS. The nodule-pleura relationship affects pneumothorax in CT-guided percutaneous transthoracic needle biopsy: avoiding to cross pleural tail sign may reduce the incidence of pneumothorax. BMC Pulm Med 2024; 24:490. [PMID: 39375667 PMCID: PMC11459803 DOI: 10.1186/s12890-024-03307-z] [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: 04/10/2024] [Accepted: 09/27/2024] [Indexed: 10/09/2024] Open
Abstract
OBJECTIVES To explore the role of nodule-pleural relationship, including nodule with pleural tail sign (PTS), nodule with pleural contact and nodule with pleural unrelated in CT-guided percutaneous transthoracic needle biopsy (PTNB)-induced pneumothorax, and whether employing different puncture routes has an impact on the incidence of pneumothorax in PTNB of nodules with PTS. METHODS Between April 1, 2019, to June 30, 2021, 775 consecutive PTNB procedures of pulmonary nodules in the Peking University Cancer Hospital were retrospectively reviewed. The univariate and multivariate regression analysis were used to identify the risk factors for pneumothorax in PTNB. RESULTS The nodule with pleural contact group has a lower incidence of pneumothorax than the nodule with PTS group (p = 0.001) and the nodule with pleural unrelated group (p = 0.002). It was observed that a higher incidence of pneumothorax caused by crossing PTS compared with no crossing PTS (p < 0.001). Independent risk factors for pneumothorax included crossing PTS (p < 0.001), perifocal emphysema (p < 0.001), biopsy side up (p < 0.001), longer puncture time (p < 0.001), deeper needle insertion depth (intrapulmonary) (p < 0.001) and nodules in the middle or lower lobe (p = 0.007). CONCLUSION Patients with crossing PTS, a nodule in the middle or lower lobe, longer puncture time, biopsy side up, deeper needle insertion depth (intrapulmonary), and perifocal emphysema were more likely to experience pneumothorax in PTNB. When performing the biopsy on a nodule with PTS, selecting a route that avoids crossing through the PTS may be advisable to reduce the risk of pneumothorax.
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Affiliation(s)
- Xu-Bo Deng
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, No. 52, Fucheng Road, Hai Dian District, Beijing, 100142, China
| | - Lei Xie
- Department of Radiology, The First Affiliated Hospital of Shantou University Medical College, No. 57, Changping Road, Jinping District, Shantou, 515041, China
| | - Hai-Bin Zhu
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, No. 52, Fucheng Road, Hai Dian District, Beijing, 100142, China
| | - Yu-Liang Liu
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, No. 52, Fucheng Road, Hai Dian District, Beijing, 100142, China
| | - Shou-Xin Yang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, No. 52, Fucheng Road, Hai Dian District, Beijing, 100142, China
| | - Bo Zhao
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, No. 52, Fucheng Road, Hai Dian District, Beijing, 100142, China
| | - Rui-Jia Sun
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, No. 52, Fucheng Road, Hai Dian District, Beijing, 100142, China
| | - Xiao-Ting Li
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, No. 52, Fucheng Road, Hai Dian District, Beijing, 100142, China
| | - Mai-Lin Chen
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, No. 52, Fucheng Road, Hai Dian District, Beijing, 100142, China.
| | - Ying-Shi Sun
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, No. 52, Fucheng Road, Hai Dian District, Beijing, 100142, China.
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Lim WH, Lee JH, Park H, Park CM, Yoon SH. Effect of smoking on the diagnostic results and complication rates of percutaneous transthoracic needle biopsy. Eur Radiol 2024; 34:6514-6526. [PMID: 38528137 PMCID: PMC11399209 DOI: 10.1007/s00330-024-10705-8] [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: 01/05/2024] [Revised: 02/01/2024] [Accepted: 02/25/2024] [Indexed: 03/27/2024]
Abstract
OBJECTIVE To investigate the association of smoking with the outcomes of percutaneous transthoracic needle biopsy (PTNB). METHODS In total, 4668 PTNBs for pulmonary lesions were retrospectively identified. The associations of smoking status (never, former, current smokers) and smoking intensity (≤ 20, 21-40, > 40 pack-years) with diagnostic results (malignancy, non-diagnostic pathologies, and false-negative results in non-diagnostic pathologies) and complications (pneumothorax and hemoptysis) were assessed using multivariable logistic regression analysis. RESULTS Among the 4668 PTNBs (median age of the patients, 66 years [interquartile range, 58-74]; 2715 men), malignancies, non-diagnostic pathologies, and specific benign pathologies were identified in 3054 (65.4%), 1282 (27.5%), and 332 PTNBs (7.1%), respectively. False-negative results for malignancy occurred in 20.5% (236/1153) of non-diagnostic pathologies with decidable reference standards. Current smoking was associated with malignancy (adjusted odds ratio [OR], 1.31; 95% confidence interval [CI]: 1.02-1.69; p = 0.03) and false-negative results (OR, 2.64; 95% CI: 1.32-5.28; p = 0.006), while heavy smoking (> 40 pack-years) was associated with non-diagnostic pathologies (OR, 1.69; 95% CI: 1.19-2.40; p = 0.003) and false-negative results (OR, 2.12; 95% CI: 1.17-3.92; p = 0.02). Pneumothorax and hemoptysis occurred in 21.8% (1018/4668) and 10.6% (495/4668) of PTNBs, respectively. Heavy smoking was associated with pneumothorax (OR, 1.33; 95% CI: 1.01-1.74; p = 0.04), while heavy smoking (OR, 0.64; 95% CI: 0.40-0.99; p = 0.048) and current smoking (OR, 0.64; 95% CI: 0.42-0.96; p = 0.04) were inversely associated with hemoptysis. CONCLUSION Smoking history was associated with the outcomes of PTNBs. Current and heavy smoking increased false-negative results and changed the complication rates of PTNBs. CLINICAL RELEVANCE STATEMENT Smoking status and intensity were independently associated with the outcomes of PTNBs. Non-diagnostic pathologies should be interpreted cautiously in current or heavy smokers. A patient's smoking history should be ascertained before PTNB to predict and manage complications. KEY POINTS • Smoking status and intensity might independently contribute to the diagnostic results and complications of PTNBs. • Current and heavy smoking (> 40 pack-years) were independently associated with the outcomes of PTNBs. • Operators need to recognize the association between smoking history and the outcomes of PTNBs.
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Affiliation(s)
- Woo Hyeon Lim
- Department of Radiology, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea
- Department of Radiology, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea
| | - Jong Hyuk Lee
- Department of Radiology, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea
- Department of Radiology, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea
| | - Hyungin Park
- Department of Radiology, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea
| | - Chang Min Park
- Department of Radiology, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea
- Department of Radiology, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea
| | - Soon Ho Yoon
- Department of Radiology, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea.
- Department of Radiology, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea.
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Leng L, Li AT, Lokken RP, Kohn M, Wu X, Sohn JH. Effect of Rapid Rollover on Pneumothorax Rate after Percutaneous CT-Guided Lung Biopsy: A Multicenter, Randomized Controlled Trial. J Vasc Interv Radiol 2024; 35:618-620. [PMID: 38184169 DOI: 10.1016/j.jvir.2023.12.571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/08/2024] Open
Affiliation(s)
- Lynn Leng
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California; School of Medicine, University of California, San Francisco, California
| | - Andrew Tong Li
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California; School of Medicine, University of California, San Francisco, California
| | - R Peter Lokken
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California
| | - Michael Kohn
- Department of Epidemiology and Biostatistics, University of California, San Francisco, California
| | - Xiao Wu
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California.
| | - Jae Ho Sohn
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California
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Grange R, Di Bisceglie M, Habert P, Resseguier N, Sarkissian R, Ferre M, Dassa M, Grange S, Izaaryene J, Piana G. Evaluation of preventive tract embolization with standardized gelatin sponge slurry on chest tube placement rate after CT-guided lung biopsy: a propensity score analysis. Insights Imaging 2023; 14:212. [PMID: 38015340 PMCID: PMC10684456 DOI: 10.1186/s13244-023-01566-8] [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: 06/14/2023] [Accepted: 11/08/2023] [Indexed: 11/29/2023] Open
Abstract
BACKGROUND To evaluate the effect of tract embolization (TE) with gelatin sponge slurries during a percutaneous lung biopsy on chest tube placement and to evaluate the predictive factors of chest tube placement. METHODS Percutaneous CT-guided lung biopsies performed with (TE) or without (non-TE) tract embolization or between June 2012 and December 2021 at three referral tertiary centers were retrospectively analyzed. The exclusion criteria were mediastinal biopsies, pleural tumors, and tumors adjacent to the pleura without pleural crossing. Variables related to patients, tumors, and procedures were collected. Univariable and multivariable analyses were performed to determine risk factors for chest tube placement. Furthermore, the propensity score matching analysis was adopted to yield a matched cohort. RESULTS A total of 1157 procedures in 1157 patients were analyzed, among which 560 (48.4%) were with TE (mean age 66.5 ± 9.2, 584 men). The rates of pneumothorax (44.9% vs. 26.1%, respectively; p < 0.001) and chest tube placement (4.8% vs. 2.3%, respectively; p < 0.001) were significantly higher in the non-TE group than in the TE group. No non-targeted embolization or systemic air embolism occurred. In the whole population, two protective factors for chest tube placement were found in univariate analysis: TE (OR 0.465 [0.239-0.904], p < 0.05) and prone position (OR 0.212 [0.094-0.482], p < 0.001). These data were confirmed in multivariate analysis (p < 0.001 and p < 0.0001 respectively). In the propensity matched cohort, TE reduces significatively the risk of chest tube insertion (OR = 0.44 [0.21-0.87], p < 0.05). CONCLUSIONS The TE technique using standardized gelatin sponge slurry reduces the need for chest tube placement after percutaneous CT-guided lung biopsy. CRITICAL RELEVANCE STATEMENT The tract embolization technique using standardized gelatin sponge slurry reduces the need for chest tube placement after percutaneous CT-guided lung biopsy. KEY POINTS 1. Use of tract embolization with gelatine sponge slurry during percutaneous lung biopsy is safe. 2. Use of tract embolization significantly reduces the risk of chest tube insertion. 3. This is the first multicenter study to show the protective effect of tract embolization on chest tube insertion.
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Affiliation(s)
- Rémi Grange
- Department of Interventional Radiology, University Hospital of Saint-Etienne, University Hospital of Saint-Etienne, Avenue Albert Raimond, 42270, Saint-Priest-en-Jarez, France.
| | - Mathieu Di Bisceglie
- Department of Interventional Radiology, Institut Paoli Calmettes, Marseille, France
| | - Paul Habert
- Department of Imaging, Hospital Nord, Marseille, APHM, Aix Marseille University, Marseille, France
- Aix Marseille Univ, LIIE, Marseille, France
| | - Noémie Resseguier
- Methodological Support Unit for Clinical and Epidemiological Research, University Hospital of Marseille (APHM), Marseille, France
- CEReSS- Health Services and Quality of Research, Aix Marseille University, Marseille, France
| | - Robin Sarkissian
- Department of Interventional Radiology, University Hospital of Saint-Etienne, University Hospital of Saint-Etienne, Avenue Albert Raimond, 42270, Saint-Priest-en-Jarez, France
| | - Marjorie Ferre
- Department of Interventional Radiology, Institut Paoli Calmettes, Marseille, France
| | - Michael Dassa
- Department of Interventional Radiology, Institut Paoli Calmettes, Marseille, France
| | - Sylvain Grange
- Department of Interventional Radiology, University Hospital of Saint-Etienne, University Hospital of Saint-Etienne, Avenue Albert Raimond, 42270, Saint-Priest-en-Jarez, France
| | - Jean Izaaryene
- Department of Interventional Radiology, Institut Paoli Calmettes, Marseille, France
| | - Gilles Piana
- Department of Interventional Radiology, Institut Paoli Calmettes, Marseille, France
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Lamfichekh Y, Lafay V, Hamam J, Guillien A, Puyraveau M, Behr J, Manzoni P, Calame P, Dalphin JC, Eberst G, Grillet F, Westeel V. Score to Predict the Occurrence of Pneumothorax After Computed Tomography-guided Percutaneous Transthoracic Lung Biopsy. J Thorac Imaging 2023; 38:315-324. [PMID: 37603106 DOI: 10.1097/rti.0000000000000729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
PURPOSE The main objective of this study was to identify risk factors for post-percutaneous transthoracic lung biopsy (PTLB) pneumothorax and to establish and validate a predictive score for pneumothorax occurrence to identify patients eligible for outpatient care. MATERIAL AND METHODS Patients who underwent PTLB between November 1, 2012 and March 1, 2017 were retrospectively evaluated for clinical and radiologic factors potentially related to pneumothorax occurrence. Multivariate logistic regression was used to identify risk factors, and the model coefficient for each factor was used to compute a score. Then, a validation cohort was prospectively evaluated from March 2018 to October 2019. RESULTS Among the 498 eligible patients in the study cohort, pneumothorax occurred in 124 patients (24.9%) and required drainage in 34 patients (6.8%). Pneumothorax risk factors were chronic obstructive pulmonary disease (OR 95% CI 2.28[1.18-4.43]), several passages through the pleura (OR 95% CI 7.71[1.95-30.48]), an anterior biopsy approach (OR 95% CI 6.36 3.82-10.58]), skin-to-pleura distance ≤30 mm (OR 95% CI 2.25[1.09-6.65]), and aerial effusion >10 mm (OR 95% CI 9.27 [5.16-16.65]). Among the 236 patients in the prospective validation cohort, pneumothorax occurred in 18% and 8% were drained. A negative score (<73 points) predicted a probability of pneumothorax occurrence of 7.4% and late evacuation of 2.5% (OR 95% CI respectively 0.18[0.08-0.39] and 0.15[0.04-0.55]) and suggested a reduced length of hospital stay (P=0.009). CONCLUSION This predictive score for pneumothorax secondary to PTLB has high prognostic performance and accuracy to direct patients toward outpatient management. CLINICAL TRIALS NCT03488043.
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Affiliation(s)
| | - Valentin Lafay
- Department of Chest Disease, University Hospital of Besançon, Besançon
| | - Joffrey Hamam
- Department of Intensive Care Medicine, Hospital of Libourne, Libourne
| | - Alicia Guillien
- Team of Environmental Epidemiology applied to Reproduction and Respiratory Health, IAB, Grenoble Alpes University, Inserm, CNRS, Grenoble
| | | | | | | | | | | | - Guillaume Eberst
- Department of Chest Disease, University Hospital of Besançon, Besançon
- Methodology and Quality of Life in Oncology Unit, University Hospital, Besançon
- UMR: 1098, University of Franche-Comté, Besançon
| | - Franck Grillet
- Department of Radiology
- Department of Radiology, Centre Léon Berard, Lyon, France
| | - Virginie Westeel
- Department of Chest Disease, University Hospital of Besançon, Besançon
- Methodology and Quality of Life in Oncology Unit, University Hospital, Besançon
- UMR: 1098, University of Franche-Comté, Besançon
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Chopra A, Doelken P, Hu K, Huggins JT, Judson MA. Pressure-Dependent Pneumothorax and Air Leak: Physiology and Clinical Implications. Chest 2023; 164:796-805. [PMID: 37187435 DOI: 10.1016/j.chest.2023.04.049] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 03/10/2023] [Accepted: 04/28/2023] [Indexed: 05/17/2023] Open
Abstract
Pressure-dependent pneumothorax is a common clinical event, often occurring after pleural drainage in patients with visceral pleural restriction, partial lung resection, or lobar atelectasis from bronchoscopic lung volume reduction or an endobronchial obstruction. This type of pneumothorax and air leak is clinically inconsequential. Failure to appreciate the benign nature of such air leaks may result in unnecessary pleural procedures or prolonged hospital stay. This review suggests that identification of pressure-dependent pneumothorax is clinically important because the air leak that results is not related to a lung injury that requires repair but rather to a physiological consequence of a pressure gradient. A pressure-dependent pneumothorax occurs during pleural drainage in patients with lung-thoracic cavity shape/size mismatch. It is caused by an air leak related to a pressure gradient between the subpleural lung parenchyma and the pleural space. Pressure-dependent pneumothorax and air leak do not need any further pleural interventions.
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Affiliation(s)
- Amit Chopra
- Department of Medicine, Pulmonary and Critical Care Medicine, Albany Medical Center, Albany, NY.
| | - Peter Doelken
- Department of Medicine, Pulmonary and Critical Care Medicine, Albany Medical Center, Albany, NY
| | - Kurt Hu
- Department of Medicine, Pulmonary, Critical Care, and Sleep Medicine, Medical College of Wisconsin, Milwaukee, WI
| | - John T Huggins
- Department of Medicine, Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, Medical University of South Carolina, Charleston, SC
| | - Marc A Judson
- Department of Medicine, Pulmonary and Critical Care Medicine, Albany Medical Center, Albany, NY
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8
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Chan MV, Afraz Z, Huo YR, Kandel S, Rogalla P. Manual aspiration of a pneumothorax after CT-guided lung biopsy: outcomes and risk factors. Br J Radiol 2023:20220366. [PMID: 37393532 PMCID: PMC10392636 DOI: 10.1259/bjr.20220366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/03/2023] Open
Abstract
OBJECTIVE Quantify the outcomes following pneumothorax aspiration and influence upon chest drain insertion. METHODS This was a retrospective cohort study of patients who underwent aspiration for the treatment of a pneumothorax following a CT percutaneous transthoracic lung biopsy (CT-PTLB) from January 1, 2010 to October 1, 2020 at a tertiary center. Patient, lesion and procedural factors associated with chest drain insertion were assessed with univariate and multivariate analyses. RESULTS A total of 102 patients underwent aspiration for a pneumothorax following CT-PTLB. Overall, 81 patients (79.4%) had a successful pneumothorax aspiration and were discharged home on the same day. In 21 patients (20.6%), the pneumothorax continued to increase post-aspiration and required chest drain insertion with hospital admission. Significant risk factors requiring chest drain insertion included upper/middle lobe biopsy location [odds ratio (OR) 6.46; 95% CI 1.77-23.65, p = 0.003], supine biopsy position (OR 7.06; 95% CI 2.24-22.21, p < 0.001), emphysema (OR 3.13; 95% CI 1.10-8.87, p = 0.028), greater needle depth ≥2 cm (OR 4.00; 95% CI 1.44-11.07, p = 0.005) and a larger pneumothorax (axial depth ≥3 cm) (OR 16.00; 95% CI 4.76-53.83, p < 0.001). On multivariate analysis, larger pneumothorax size and supine position during biopsy remained significant for chest drain insertion. Aspiration of a larger pneumothorax (radial depths ≥3 cm and ≥4 cm) had a 50% rate of success. Aspiration of a smaller pneumothorax (radial depth 2-3 cm and <2 cm) had an 82.6% and 100% rate of success, respectively. CONCLUSION Aspiration of pneumothorax after CT-PTLB can help reduce chest drain insertion in approximately 50% of patients with larger pneumothoraces and even more so with smaller pneumothoraces (>80%). ADVANCES IN KNOWLEDGE Aspiration of pneumothoraces up to 3 cm was often associated with avoiding chest drain insertion and allowing for earlier discharge.
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Affiliation(s)
- Michael Vinchill Chan
- Department of Medical Imaging, University Health Network, University of Toronto, Toronto, Canada
- Department of Radiology, Concord Repatriation General Hospital, NSW, Concord, NSW, Australia
- Concord Hospital Clinical School, University of Sydney, NSW, Concord, Australia
| | - Zahra Afraz
- Department of Medical Imaging, University Health Network, University of Toronto, Toronto, Canada
| | - Ya Ruth Huo
- Department of Radiology, Concord Repatriation General Hospital, NSW, Concord, NSW, Australia
- Concord Hospital Clinical School, University of Sydney, NSW, Concord, Australia
| | - Sonja Kandel
- Department of Medical Imaging, University Health Network, University of Toronto, Toronto, Canada
| | - Patrik Rogalla
- Department of Medical Imaging, University Health Network, University of Toronto, Toronto, Canada
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9
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Fischer T, Baz YE, Wildermuth S, Leschka S, Güsewell S, Putora PM, Dietrich TJ. Retrospective evaluation of routine in-hospital observation in 433 patients after CT-guided biopsies. Acta Radiol 2022; 63:743-749. [PMID: 33940960 DOI: 10.1177/02841851211011564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND After computed tomography (CT)-guided interventions, routine in-hospital observation is recommended by the Cardiovascular and Interventional Radiological Society of Europe. PURPOSE To evaluate the frequency of delayed major complications or hospitalizations after CT-guided biopsies in patients with initially no or minor complications and to assess whether routine in-hospital observation is justified. MATERIAL AND METHODS This retrospective study included 433 outpatients after CT-guided biopsy of the thoracic (n = 176), abdominal (n = 129), or musculoskeletal (n = 128) region with subsequent in-hospital observation. Complications were graded according to the current Society of Interventional Radiology recommendations and grouped into minor or major. A complication that occurred during in-hospital observation was defined as delayed complication. A delayed major complication was a newly developed major complication or a progression from an initially minor to a major complication. Hospitalization frequencies were evaluated similarly. Occurrence, 95% confidence intervals (CI), and P values for significant differences between the three organ groups were calculated. If delayed major complications were more frequent than 1%, routine in-hospital observation was considered justified. RESULTS Delayed, major complication frequencies were: thoracic, 8.2% (95% CI 4.6-13.4); abdominal, 0.0% (95% CI 0.0-2.9); and musculoskeletal, 0.0% (95% CI 0.0-2.9) (P < 0.001). Delayed hospitalization frequencies were: thoracic, 8.8% (95% CI 5.0-14.2); abdominal, 1.6% (95% CI 0.2-5.6); and musculoskeletal, 0.0% (95% CI 0.0-2.9) (P < 0.001). CONCLUSION After thoracic interventions, routine observation is considered justified for patient safety whereas routine observation may be omitted after musculoskeletal interventions. In the abdominal group, no delayed complications were observed, but delayed hospitalization occurred. Thus, in-hospital observation could be justified in a safe patient environment, but remains an individual decision.
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Affiliation(s)
- Tim Fischer
- Division of Radiology and Nuclear Medicine, Kantonsspital St. Gallen, St. Gallen, Switzerland
- Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Yassir El Baz
- Division of Radiology and Nuclear Medicine, Kantonsspital St. Gallen, St. Gallen, Switzerland
| | - Simon Wildermuth
- Division of Radiology and Nuclear Medicine, Kantonsspital St. Gallen, St. Gallen, Switzerland
- Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Sebastian Leschka
- Division of Radiology and Nuclear Medicine, Kantonsspital St. Gallen, St. Gallen, Switzerland
- Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Sabine Güsewell
- Clinical Trials Unit, Kantonsspital St. Gallen, St. Gallen, Switzerland
| | - Paul Martin Putora
- Department of Radiation Oncology, Kantonsspital St. Gallen, St. Gallen, Switzerland
- Department of Radiation Oncology, University of Bern, Bern, Switzerland
| | - Tobias Johannes Dietrich
- Division of Radiology and Nuclear Medicine, Kantonsspital St. Gallen, St. Gallen, Switzerland
- Faculty of Medicine, University of Zurich, Zurich, Switzerland
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10
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Grange R, Sarkissian R, Bayle-Bleuez S, Tissot C, Tiffet O, Barral FG, Flaus A, Grange S. Preventive tract embolization with gelatin sponge slurry is safe and considerably reduces pneumothorax after CT-guided lung biopsy with use of large 16-18 coaxial needles. Br J Radiol 2022; 95:20210869. [PMID: 34986006 PMCID: PMC10993978 DOI: 10.1259/bjr.20210869] [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: 07/20/2021] [Revised: 12/14/2021] [Accepted: 12/17/2021] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE To evaluate the clinical impact of the tract embolization technique using gelatin sponge slurry after percutaneous CT-guided lung biopsy. METHODS We retrospectively compared coaxial needle CT-guided lung biopsies performed without embolization (100 patients) and with the tract embolization technique using a mixture of iodine and gelatin sponge slurry (105 patients) between June 2012 and July 2020. Uni- and multivariate analyses were performed between groups to determine risk factors of pneumothorax. RESULTS Patients with gelatin sponge slurry tract embolization had statistically lower rates of pneumothorax ((17.1% vs 39%, p < 0.001). In univariate analysis, tract embolization (OR = 0.32, CI = 0.17-0.61 p<0.001) and nodule size >2 cm (OR = 0.33 CI = 0.14-0.8 p = 0.013) had a protective effect on pneumothorax. The puncture path lengths > 2-20 mm and >20 mm were risk factors for pneumothorax (OR = 3.35 IC = 1.44-8.21 p = 0.006 and OR = 4.36 CI = 1.98-10.29 p<0.001, respectively). In multivariate regression analysis, tract embolization had a protective effect of pneumothorax (OR = 0.25, CI = 0.12-0.51, p < 0.001). The puncture path lengths > 2-20 mm and >20 mm were risk factors for pneumothorax (p = 0.030 and p = 0.002, respectively). CONCLUSIONS The tract embolization technique using iodinated gelatin sponge slurry is safe and considerably reduces pneumothorax after percutaneous CT-guided lung biopsy. Our results suggest that it could be use in clinical routine. ADVANCES IN KNOWLEDGE The systemic use of gelatin sponge slurry is safe and reduces considerably the rate of pneumothorax upon needle removal when CT-guided core biopsies are performed using large 16-18G coaxial needles.
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Affiliation(s)
- Rémi Grange
- Department of Radiology, University Hospital of
Saint-Etienne, Saint-Etienne,
France
| | - Robin Sarkissian
- Department of Radiology, University Hospital of
Saint-Etienne, Saint-Etienne,
France
| | - Sophie Bayle-Bleuez
- Department of Pneumology, University Hospital of
Saint-Etienne, Saint-Etienne,
France
| | - Claire Tissot
- Department of Pneumology, University Hospital of
Saint-Etienne, Saint-Etienne,
France
| | - Olivier Tiffet
- Department of Thoracic Surgery, University Hospital of
Saint-Etienne, Saint-Etienne,
France
| | - Fabrice-Guy Barral
- Department of Radiology, University Hospital of
Saint-Etienne, Saint-Etienne,
France
| | - Anthime Flaus
- Department of Nuclear Medicine, University Hospital of
Saint-Etienne, Saint-Etienne,
France
| | - Sylvain Grange
- Department of Radiology, University Hospital of
Saint-Etienne, Saint-Etienne,
France
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Ren Q, Zhou Y, Yan M, Zheng C, Zhou G, Xia X. Imaging-guided percutaneous transthoracic needle biopsy of nodules in the lung base: fluoroscopy CT versus cone-beam CT. Clin Radiol 2022; 77:e394-e399. [DOI: 10.1016/j.crad.2022.02.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 02/02/2022] [Indexed: 01/08/2023]
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12
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Najafi A, Al Ahmar M, Bonnet B, Delpla A, Kobe A, Madani K, Roux C, Deschamps F, de Baère T, Tselikas L. The PEARL Approach for CT-guided Lung Biopsy: Assessment of Complication Rate. Radiology 2021; 302:473-480. [PMID: 34726537 DOI: 10.1148/radiol.2021210360] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Background Percutaneous CT-guided biopsy of lung nodules is an established method with high diagnostic accuracy but a high rate of pneumothorax and chest tube insertion compared with endobronchial methods. Purpose To investigate the effect of a protocol combining patient positioning biopsy-side down, needle removal during expiration, autologous blood patch sealing, rapid rollover, and pleural patching (PEARL) on complication rate after percutaneous CT-guided lung biopsy, especially chest tube insertion. Materials and Methods In a secondary analysis of both prospectively and retrospectively acquired data from December 2019 to November 2020, consecutive participants underwent biopsy with use of the PEARL protocol (prospective data) and were compared with patients who underwent biopsy at the same tertiary cancer center according to the standard method without any additional techniques (controls, retrospective data). Patient demographics, lesion characteristics, intraprocedural data, complications, and histologic results were recorded and compared. Results One hundred patients in the control group (mean age ± standard deviation, 63 years ± 12; 61 men) and 100 participants in the PEARL group (mean age, 64 years ± 12; 48 men) were evaluated. No differences were found in patient and lesion characteristics. The emphysema rate was 47 of 100 patients (47%) in both groups. The rate of pneumothorax was 37 of 100 patients (37%) in the control group versus 16 of 100 (16%) in the PEARL group (P = .001). Of the pneumothoraxes that occurred, fewer were during the intervention in the PEARL group, with 21 of 37 onsets (57%) in the control group versus three of 16 onsets (19%) in the PEARL group (P < .001). A chest tube was inserted in 13 of 100 patients (13%) in the control group and only in one of 100 (1%) in the PEARL group (P = .002). Histologic findings were diagnostic in 94 of 100 patients (94%) in the control group and 95 of 100 (95%) in the PEARL group (P > .99). Conclusion During CT-guided percutaneous lung biopsy, a protocol of positioning biopsy-side down, needle removal during expiration, autologous blood patch sealing, rapid rollover, and pleural patching, or PEARL, reduced rates of pneumothorax and chest tube insertion. © RSNA, 2021.
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Affiliation(s)
- Arash Najafi
- From the Department of Interventional Radiology, Institut Gustave Roussy, Villejuif, Île-de France, France
| | - Marc Al Ahmar
- From the Department of Interventional Radiology, Institut Gustave Roussy, Villejuif, Île-de France, France
| | - Baptiste Bonnet
- From the Department of Interventional Radiology, Institut Gustave Roussy, Villejuif, Île-de France, France
| | - Alexandre Delpla
- From the Department of Interventional Radiology, Institut Gustave Roussy, Villejuif, Île-de France, France
| | - Adrian Kobe
- From the Department of Interventional Radiology, Institut Gustave Roussy, Villejuif, Île-de France, France
| | - Khaled Madani
- From the Department of Interventional Radiology, Institut Gustave Roussy, Villejuif, Île-de France, France
| | - Charles Roux
- From the Department of Interventional Radiology, Institut Gustave Roussy, Villejuif, Île-de France, France
| | - Frédéric Deschamps
- From the Department of Interventional Radiology, Institut Gustave Roussy, Villejuif, Île-de France, France
| | - Thierry de Baère
- From the Department of Interventional Radiology, Institut Gustave Roussy, Villejuif, Île-de France, France
| | - Lambros Tselikas
- From the Department of Interventional Radiology, Institut Gustave Roussy, Villejuif, Île-de France, France
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Abstract
ABSTRACT Percutaneous computed tomography-guided transthoracic lung biopsy is an effective and minimally invasive procedure to achieve tissue diagnosis. Radiologists are key in appropriate referral for further workup, with percutaneous computed tomography-guided transthoracic lung biopsy performed by both thoracic and general interventionalists. Percutaneous computed tomography-guided transthoracic lung biopsy is increasingly performed for both diagnostic and research purposes, including molecular analysis. Multiple patient, lesion, and technique-related variables influence diagnostic accuracy and complication rates. A comprehensive understanding of these factors aids in procedure planning and may serve to maximize diagnostic yield while minimizing complications, even in the most challenging scenarios.
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Weon J, Robson S, Chan R, Ussher S. Development of a risk prediction model of pneumothorax in percutaneous computed tomography guided transthoracic needle lung biopsy. J Med Imaging Radiat Oncol 2021; 65:686-693. [PMID: 33955169 DOI: 10.1111/1754-9485.13187] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Accepted: 04/10/2021] [Indexed: 12/01/2022]
Abstract
INTRODUCTION To retrospectively evaluate the incidence of and the risk factors for pneumothorax and intercostal catheter insertion (ICC) after CT-guided lung biopsy and to generate a risk prediction model for developing a pneumothorax and requiring an ICC. METHODS 255 CT-guided lung biopsies performed for 249 lesions in 249 patients from August 2014 to August 2019 were retrospectively analysed using multivariate logistic regression analysis. Risk prediction models were established using backward stepwise variable selection and likelihood ratio tests and were internally validated using split-sample methods. RESULTS The overall incidence of pneumothorax was 30.2% (77/255). ICC insertion was required for 8.32% (21/255) of all procedures. The significant independent risk factors for pneumothorax were lesions not in contact with pleura (P < 0.001), a shorter skin-to-pleura distance (P = 0.01), the needle crossing a fissure (P = 0.004) and emphysema (P = 0.01); those for ICC insertion for pneumothorax were a needle through emphysema (P < 0.001) and lesions in the upper lobe (P = 0.017). AUC of the predictive models for pneumothorax and ICC insertion were 0.800 (95% CI: 0.745-0.856) and 0.859 (95% CI: 0.779-0.939) respectively. Upon internal validation, AUC of the testing sets of pneumothorax and ICC insertion were 0.769 and 0.822 on average respectively. CONCLUSION The complication rates of pneumothorax and ICC insertion after CT-guided lung biopsy at our institution are comparable to results from previously reported studies. This study provides highly accurate risk prediction models of pneumothorax and ICC insertion for patients undergoing CT-guided lung biopsies.
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Affiliation(s)
- JangHo Weon
- Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia.,Department of Radiology, Ballarat Base Hospital, Ballarat, Victoria, Australia
| | - Scott Robson
- Department of Radiology, Ballarat Base Hospital, Ballarat, Victoria, Australia
| | - Ronald Chan
- Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Simon Ussher
- Department of Radiology, Ballarat Base Hospital, Ballarat, Victoria, Australia
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Zeng L, Liao H, Ren F, Zhang Y, Wang Q, Xie M. Pneumothorax Induced by Computed Tomography Guided Transthoracic Needle Biopsy: A Review for the Clinician. Int J Gen Med 2021; 14:1013-1022. [PMID: 33790630 PMCID: PMC8001193 DOI: 10.2147/ijgm.s302434] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 03/10/2021] [Indexed: 01/15/2023] Open
Abstract
Percutaneous computed tomography (CT)-guided transthoracic needle biopsy (TTNB) is a valuable procedure for obtaining tissue or cells for diagnosis, which is especially indispensable in thoracic oncology. Pneumothorax and hemoptysis are the most common complications of percutaneous needle biopsy of the lung. According to reports published over the past decades, pneumothorax incidence in patients who underwent TTNB greatly varies. The morbidity of pneumothorax after CT-guided TTNB depends on several factors, including size and depth of lesions, emphysema, the number of pleural surfaces and fissure crossed, etc. Attention to biopsy planning and technique and post-biopsy precautions help to prevent or minimize potential complications. Many measures can be taken to help prevent the progression of a pneumothorax, which in turn might reduce the number of pneumothoraces requiring chest tube placement. A multitude of therapeutic options is available for the treatment of pneumothorax, varying from observation and oxygen treatment, simple manual aspiration, to chest tube placement. When a pneumothorax develops during the biopsy procedure, it can be manually aspirated after the needle is retracted back into the pleural space or by inserting a separate needle into the pleural space. Biopsy side down positioning of the patient after biopsy significantly reduces the incidence of pneumothorax and the requirement of chest tube placement. Aspiration in biopsy side down position is also recommended for treating pneumothorax when simple manual aspiration is unsuccessful or delayed pneumothorax occurred. Chest tube placement is an important treatment strategy for patients with a large or symptomatic pneumothorax. Clinicians are encouraged to understand the development, prevention, and treatment of pneumothorax. Efforts should be made to reduce the incidence of pneumothorax in biopsy planning and post-biopsy precautions. When pneumothorax occurs, appropriate treatment should be adopted to reduce the risk of worsening pneumothorax.
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Affiliation(s)
- Lichuan Zeng
- Department of Radiology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, People's Republic of China
| | - Huaqiang Liao
- Department of Radiology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, People's Republic of China
| | - Fengchun Ren
- Department of Radiology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, People's Republic of China
| | - Yudong Zhang
- Department of Radiology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, People's Republic of China
| | - Qu Wang
- Department of Ultrasound, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, People's Republic of China
| | - Mingguo Xie
- Department of Radiology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, People's Republic of China
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16
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Chung C, Kim Y, Park D. Transthoracic Needle Biopsy: How to Maximize Diagnostic Accuracy and Minimize Complications. Tuberc Respir Dis (Seoul) 2020; 83:S17-S24. [PMID: 33272004 PMCID: PMC7837377 DOI: 10.4046/trd.2020.0156] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 12/04/2020] [Indexed: 12/13/2022] Open
Abstract
Although transthoracic needle biopsy (TTNB) was introduced for lung biopsy about 40 years ago, it is still mainstay of pathologic diagnosis in lung cancer, because it is relatively inexpensive and can obtain tissue regardless of the tumor-bronchus relationship. With several technological advances, proceduralists can perform TTNB more safely and accurately. Utilizing ultrasound-guided biopsy for peripheral lesions in contact with the pleura and rapid on-site evaluation during the procedure are expected to make up the weakness of TTNB. However, due to the inherent limitations of the percutaneous approach, the incidence of complications such as pneumothorax or bleeding is inevitably higher than that of other lung biopsy techniques. Thorough understating of each biopsy modality and additional technique are fundamental for maximizing diagnostic accuracy and minimizing the complications.
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Affiliation(s)
- Chaeuk Chung
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Yoonjoo Kim
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
| | - Dongil Park
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
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Bae K, Ha JY, Jeon KN. Pneumothorax after CT-guided transthoracic lung biopsy: A comparison between immediate and delayed occurrence. PLoS One 2020; 15:e0238107. [PMID: 32834016 PMCID: PMC7446785 DOI: 10.1371/journal.pone.0238107] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 08/10/2020] [Indexed: 12/17/2022] Open
Abstract
Background In CT-guided transthoracic lung biopsy (CTLB), pneumothorax can occur as a late complication (delayed pneumothorax). The incidence, risk factors, and clinical significance of delayed pneumothorax are not well known. Objectives To compare the risk factors for immediate and delayed pneumothorax after CTLB and to know their clinical significance. Methods Images and medical records of 536 consecutive patients who underwent CTLB were reviewed. All biopsies were performed as inpatient procedures. Follow-up chest radiographs were obtained at least twice at 4 h after procedure and before discharge. Risk factors for immediate and delayed pneumothorax were assessed based on patient-, lesion-, and procedure-related variables. Rates of chest tube insertion were also compared. Results Pneumothorax developed in 161 patients (30.0%) including 135 (25.2%) immediate and 26 (4.9%) delayed cases. Lesion size was an independent risk factor for both immediate and delayed pneumothorax (OR = 0.813; CI = 0.717–0.922 and OR = 0.610; CI = 0.441–0.844, respectively). While emphysema, lower lobe location, and long intrapulmonary biopsy track were risk factors (OR = 1.981; CI = 1.172–3.344, OR = 3.505; CI = 2.718–5.650, and OR = 1.330; CI = 1.132–1.563, respectively) for immediate pneumothorax, upper lobe location and increased number of pleural punctures were independent risk factors (OR = 5.756; CI = 1.634–20.274 and OR = 3.738; CI = 1.860–7.511, respectively) for delayed pneumothorax. The rate of chest tube insertion was significantly (p < 0.001) higher in delayed pneumothorax. Conclusion Pneumothorax tends to occur immediately after CTLB in patients with emphysema, lower lobe lesion, and long intrapulmonary biopsy track. Further attention and warnings are needed for those with multiple punctures of small lesions involving upper lobes due to the possibility of delayed development of pneumothorax and higher requirement for chest tube drainage.
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Affiliation(s)
- Kyungsoo Bae
- Department of Radiology, Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Korea
- Department of Radiology, Gyeongsang National University Changwon Hospital, Changwon, Korea
| | - Ji Young Ha
- Department of Radiology, Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Korea
- Department of Radiology, Gyeongsang National University Changwon Hospital, Changwon, Korea
| | - Kyung Nyeo Jeon
- Department of Radiology, Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Korea
- Department of Radiology, Gyeongsang National University Changwon Hospital, Changwon, Korea
- * E-mail:
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Chen C, Xu L, He J, Wang Y, Wang B, Li W, He X. Contralateral Dependent Position During Percutaneous CT-Guided Core Needle Biopsy for Small (≤ 20 mm) Lung Lesions Adjacent to the Pericardium: Effect on Procedures and Complications. Cardiovasc Intervent Radiol 2020; 43:1652-1660. [PMID: 32803284 DOI: 10.1007/s00270-020-02608-0] [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: 02/18/2020] [Accepted: 07/26/2020] [Indexed: 10/23/2022]
Abstract
PURPOSE To assess the effect of contralateral dependent position on procedures and complications of percutaneous computed tomography (CT)-guided core needle biopsy (PCT-CNB) for small (≤ 20 mm) lung lesions adjacent to the pericardium. MATERIALS AND METHODS Retrospective view was performed to identify patients with small (≤ 20 mm) lung lesions located within 10 mm of the pericardium and who underwent PCT-CNB in the standard supine or prone position (n = 66) or in contralateral dependent position ( n = 35) between March 2010 and January 2020. In 35 patients, CT images in the contralateral dependent position were compared with images in the supine position to assess the mean distance of the lesion from the pericardium and the mean length of interface between these two positions. Complications including rates of pneumothorax, chest tube insertion, and pulmonary hemorrhage were assessed. RESULTS In comparison with axial images in supine position, the pericardium were located farther from the lesion in the contralateral dependent position; the mean distance of lesions from the pericardium became farther (P < 0.001), and the mean length of interface with the pericardium became shorter (P = 0.008). There was no difference in the complication rates between supine or prone position and contralateral dependent position (pneumothorax, P = 0.098; pulmonary hemorrhage, P = 0.791). CONCLUSION Placing patients in contralateral dependent position may confer some advantages, including maximizing distance and minimizing length of interface of the lesion to the pericardium during PCT-CNB for small (≤ 20 mm) lung lesions adjacent to the pericardium.
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Affiliation(s)
- Chao Chen
- Deparment of Interventional Radiology, Fudan University Shanghai Cancer Center, No. 270 Dongan Road, Xuhui, Shanghai, 200032, China
| | - Lichao Xu
- Deparment of Interventional Radiology, Fudan University Shanghai Cancer Center, No. 270 Dongan Road, Xuhui, Shanghai, 200032, China
| | - Jia He
- Blood Purification Room, Queshan County People's Hospital, Zhumadian, Henan Province, 463200, China
| | - Ying Wang
- Deparment of Interventional Radiology, Fudan University Shanghai Cancer Center, No. 270 Dongan Road, Xuhui, Shanghai, 200032, China
| | - Biao Wang
- Deparment of Interventional Radiology, Fudan University Shanghai Cancer Center, No. 270 Dongan Road, Xuhui, Shanghai, 200032, China
| | - Wentao Li
- Deparment of Interventional Radiology, Fudan University Shanghai Cancer Center, No. 270 Dongan Road, Xuhui, Shanghai, 200032, China.
| | - Xinhong He
- Deparment of Interventional Radiology, Fudan University Shanghai Cancer Center, No. 270 Dongan Road, Xuhui, Shanghai, 200032, China
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Zeng LC, Liao HQ, Wu WB, Zhang YD, Ren FC, Wang Q, Xie MG. Effect of puncture sites on pneumothorax after lung CT-guided biopsy. Medicine (Baltimore) 2020; 99:e19656. [PMID: 32282716 PMCID: PMC7220457 DOI: 10.1097/md.0000000000019656] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 02/15/2020] [Accepted: 02/17/2020] [Indexed: 12/30/2022] Open
Abstract
To determine the influence of puncture site on aspiration in dealing with pneumothorax following CT-guided lung biopsy.Two hundred thirty-six pneumothorax patients after CT guided lung biopsies were retrospective analyzed from January 2013 to December 2018. Patients with minor asymptomatic pneumothorax were treated conservatively with monitoring of vital signs and follow-up CT to confirm stability. Ninety of the 236 pneumothorax patients, who underwent manual aspiration, were included in this analysis. In first manual aspiration, the needle from the lesion was retracted back into the pleural space after biopsy, and then aspiration treatment was performed. If the treatment is of unsatisfied result, a second attempt aspiration treatment, which puncture site away from initial biopsy one, was conducted. The efficacy of simple manual aspiration and the new method, changing puncture site for re-aspiration was observed.Immediate success was obtained in 62 out of the 90 patients in the first attempt. The effective rate and failure rate were 68.9% (62/90) and 31.1% (28/90), respectively. Twenty-eight patients in whom first attempt simple aspiration were unsuccessful underwent a second attempt aspiration, which puncture site away from initial biopsy one, was successful in 13 patients with 15 patients undergoing chest tube placement. The effective rate and failure rate were 46.4% (13/28) and 53.6% (15/28), respectively. Applying the modified procedure, total effective rate of aspiration elevated significantly from 68.9% (62/90) to 83.3% (75/90) (P < .05). No serious side effects were detected in the period of aspiration procedure.Manual aspiration with puncture site away from initial biopsy one is worth trying to deal with post-biopsy pneumothorax. This modified procedure improved the efficiency of treatment significantly, and reduced the rate of pneumothorax requiring chest tube placement.
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Affiliation(s)
| | | | | | | | | | - Qu Wang
- Department of Ultrasound, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu 610072, Sichuan Province, PR China
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Huo YR, Chan MV, Habib AR, Lui I, Ridley L. Pneumothorax rates in CT-Guided lung biopsies: a comprehensive systematic review and meta-analysis of risk factors. Br J Radiol 2020; 93:20190866. [PMID: 31860329 DOI: 10.1259/bjr.20190866] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVE This systematic review and meta-analysis investigated risk factors for pneumothorax following CT-guided percutaneous transthoracic lung biopsy. METHODS A systematic search of nine literature databases between inception to September 2019 for eligible studies was performed. RESULTS 36 articles were included with 23,104 patients. The overall pooled incidence for pneumothorax was 25.9% and chest drain insertion was 6.9%. Pneumothorax risk was significantly reduced in the lateral decubitus position where the biopsied lung was dependent compared to a prone or supine position [odds ratio (OR):3.15]. In contrast, pneumothorax rates were significantly increased in the lateral decubitus position where the biopsied lung was non-dependent compared to supine (OR:2.28) or prone position (OR:3.20). Other risk factors for pneumothorax included puncture site up compared to down through a purpose-built biopsy window in the CT table (OR:4.79), larger calibre guide/needles (≤18G vs >18G: OR 1.55), fissure crossed (OR:3.75), bulla crossed (OR:6.13), multiple pleural punctures (>1 vs 1: OR:2.43), multiple non-coaxial tissue sample (>1 vs 1: OR 1.99), emphysematous lungs (OR:3.33), smaller lesions (<4 cm vs 4 cm: OR:2.09), lesions without pleural contact (OR:1.73) and deeper lesions (≥3 cm vs <3cm: OR:2.38). CONCLUSION This meta-analysis quantifies factors that alter pneumothorax rates, particularly with patient positioning, when planning and performing a CT-guided lung biopsy to reduce pneumothorax rates. ADVANCES IN KNOWLEDGE Positioning patients in lateral decubitus with the biopsied lung dependent, puncture site down with a biopsy window in the CT table, using smaller calibre needles and using coaxial technique if multiple samples are needed are associated with a reduced incidence of pneumothorax.
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Affiliation(s)
- Ya Ruth Huo
- Bankstown-Campbelltown Hospital, South Western Sydney Clinical School, University of New South Wales, Sydney, Australia
| | - Michael Vinchill Chan
- Department of Radiology, Concord Repatriation General Hospital, Sydney, Australia.,University of Sydney, Faculty of Medicine, Sydney, Australia
| | - Al-Rahim Habib
- University of Sydney, Faculty of Medicine, Sydney, Australia
| | - Isaac Lui
- Department of Radiology, Concord Repatriation General Hospital, Sydney, Australia
| | - Lloyd Ridley
- Department of Radiology, Concord Repatriation General Hospital, Sydney, Australia
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Hassanpour S, Nikbakht J, Karami S. Clinical application of 18F-fluoro-2-deoxy-D-glucose positron emission tomography-computed tomography for cancer cells in lung cancer. JOURNAL OF CANCER RESEARCH AND PRACTICE 2020. [DOI: 10.4103/jcrp.jcrp_16_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Yoon SH, Park CM, Lee KH, Lim KY, Suh YJ, Im DJ, Hur J, Han DH, Kang MJ, Choo JY, Kim C, Kim JI, Hong H. Analysis of Complications of Percutaneous Transthoracic Needle Biopsy Using CT-Guidance Modalities In a Multicenter Cohort of 10568 Biopsies. Korean J Radiol 2019; 20:323-331. [PMID: 30672172 PMCID: PMC6342766 DOI: 10.3348/kjr.2018.0064] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 08/06/2018] [Indexed: 12/12/2022] Open
Abstract
Objective To analyze the complications of percutaneous transthoracic needle biopsy using CT-based imaging modalities for needle guidance in comparison with fluoroscopy in a large retrospective cohort. Materials and Methods This study was approved by multiple Institutional Review Boards and the requirement for informed consent was waived. We retrospectively included 10568 biopsies from eight referral hospitals from 2010 through 2014. In univariate and multivariate logistic analyses, 3 CT-based guidance modalities (CT, CT fluoroscopy, and cone-beam CT) were compared with fluoroscopy in terms of the risk of pneumothorax, pneumothorax requiring chest tube insertion, and hemoptysis, with adjustment for other risk factors. Results Pneumothorax occurred in 2298 of the 10568 biopsies (21.7%). Tube insertion was required after 316 biopsies (3.0%), and hemoptysis occurred in 550 cases (5.2%). In the multivariate analysis, pneumothorax was more frequently detected with CT {odds ratio (OR), 2.752 (95% confidence interval [CI], 2.325–3.258), p < 0.001}, CT fluoroscopy (OR, 1.440 [95% CI, 1.176–1.762], p < 0.001), and cone-beam CT (OR, 2.906 [95% CI, 2.235–3.779], p < 0.001), but no significant relationship was found for pneumothorax requiring chest tube insertion (p = 0.497, p = 0.222, and p = 0.216, respectively). The incidence of hemoptysis was significantly lower under CT (OR, 0.348 [95% CI, 0.247–0.491], p < 0.001), CT fluoroscopy (OR, 0.594 [95% CI, 0.419–0.843], p = 0.004), and cone-beam CT (OR, 0.479 [95% CI, 0.317–0.724], p < 0.001) guidance. Conclusion Hemoptysis occurred less frequently with CT-based guidance modalities in comparison with fluoroscopy. Although pneumothorax requiring chest tube insertion showed a similar incidence, pneumothorax was more frequently detected using CT-based guidance modalities.
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Affiliation(s)
- Soon Ho Yoon
- Department of Radiology, Seoul National University College of Medicine, Seoul, Korea.,Institute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Korea
| | - Chang Min Park
- Department of Radiology, Seoul National University College of Medicine, Seoul, Korea.,Institute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Korea.
| | - Kyung Hee Lee
- Department of Radiology, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Kun Young Lim
- Department of Radiology, National Cancer Center, Goyang, Korea
| | - Young Joo Suh
- Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Dong Jin Im
- Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jin Hur
- Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.,Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Dae Hee Han
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Mi Jin Kang
- Department of Radiology, Inje University Sanggye Paik Hospital, Seoul, Korea
| | - Ji Yung Choo
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Cherry Kim
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Jung Im Kim
- Department of Radiology, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Korea
| | - Hyunsook Hong
- Medical Research Collaborating Center, Seoul National University Hospital, Seoul, Korea
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Drumm O, Joyce EA, de Blacam C, Gleeson T, Kavanagh J, McCarthy E, McDermott R, Beddy P. CT-guided Lung Biopsy: Effect of Biopsy-side Down Position on Pneumothorax and Chest Tube Placement. Radiology 2019; 292:190-196. [PMID: 31084480 DOI: 10.1148/radiol.2019182321] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Background Supine or prone positioning of the patient on the gantry table is the current standard of care for CT-guided lung biopsy; positioning biopsy side down was hypothesized to be associated with lower pneumothorax rate. Purpose To assess the effect of positioning patients biopsy side down during CT-guided lung biopsy on the incidence of pneumothorax, chest drain placement, and hemoptysis. Materials and Methods This retrospective study was performed between January 2013 and December 2016 in a tertiary referral oncology center. Patients undergoing CT-guided lung biopsy were either positioned in (a) the standard prone or supine position or (b) the lateral decubitus position with the biopsy side down. The relationship between patient position and pneumothorax, drain placement, and hemoptysis was assessed by using multivariable logistic regression models. Results A total of 373 consecutive patients (mean age ± standard deviation, 68 years ± 10), including 196 women and 177 men, were included in the study. Among these patients, 184 were positioned either prone or supine depending on the most direct path to the lesion and 189 were positioned biopsy side down. Pneumothorax occurred in 50 of 184 (27.2%) patients who were positioned either prone or supine and in 20 of 189 (10.6%) patients who were positioned biopsy side down (P < .001). Drain placement was required in 10 of 184 (5.4%) patients who were positioned either prone or supine and in eight of 189 (4.2%) patients who were positioned biopsy side down (P = .54). Hemoptysis occurred in 19 of 184 (10.3%) patients who were positioned prone or supine and in 10 of 189 (5.3%) patients who were positioned biopsy side down (P = .07). Prone or supine patient position (P = .001, odds ratio [OR] = 2.7 [95% confidence interval {CI}: 1.4, 4.9]), emphysema along the needle path (P = .02, OR = 2.1 [95% CI: 1.1, 4.0]), and lesion size (P = .02, OR = 1.0 [95% CI: 0.9, 1.0]) were independent risk factors for developing pneumothorax. Conclusion Positioning a patient biopsy side down for percutaneous CT-guided lung biopsy reduced the incidence of pneumothorax compared with the supine or prone position. © RSNA, 2019.
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Affiliation(s)
- Orla Drumm
- From the Department of Radiology, St James's Hospital and Trinity College, James's Street, Dublin 8, Ireland (O.D., E.A.J., C.d.B., T.G., E.M., R.M., P.B.); and Joint Department of Medical Imaging, University of Toronto, Toronto, Canada (J.K.)
| | - Eimear A Joyce
- From the Department of Radiology, St James's Hospital and Trinity College, James's Street, Dublin 8, Ireland (O.D., E.A.J., C.d.B., T.G., E.M., R.M., P.B.); and Joint Department of Medical Imaging, University of Toronto, Toronto, Canada (J.K.)
| | - Catherine de Blacam
- From the Department of Radiology, St James's Hospital and Trinity College, James's Street, Dublin 8, Ireland (O.D., E.A.J., C.d.B., T.G., E.M., R.M., P.B.); and Joint Department of Medical Imaging, University of Toronto, Toronto, Canada (J.K.)
| | - Tom Gleeson
- From the Department of Radiology, St James's Hospital and Trinity College, James's Street, Dublin 8, Ireland (O.D., E.A.J., C.d.B., T.G., E.M., R.M., P.B.); and Joint Department of Medical Imaging, University of Toronto, Toronto, Canada (J.K.)
| | - John Kavanagh
- From the Department of Radiology, St James's Hospital and Trinity College, James's Street, Dublin 8, Ireland (O.D., E.A.J., C.d.B., T.G., E.M., R.M., P.B.); and Joint Department of Medical Imaging, University of Toronto, Toronto, Canada (J.K.)
| | - Eoghan McCarthy
- From the Department of Radiology, St James's Hospital and Trinity College, James's Street, Dublin 8, Ireland (O.D., E.A.J., C.d.B., T.G., E.M., R.M., P.B.); and Joint Department of Medical Imaging, University of Toronto, Toronto, Canada (J.K.)
| | - Ronan McDermott
- From the Department of Radiology, St James's Hospital and Trinity College, James's Street, Dublin 8, Ireland (O.D., E.A.J., C.d.B., T.G., E.M., R.M., P.B.); and Joint Department of Medical Imaging, University of Toronto, Toronto, Canada (J.K.)
| | - Peter Beddy
- From the Department of Radiology, St James's Hospital and Trinity College, James's Street, Dublin 8, Ireland (O.D., E.A.J., C.d.B., T.G., E.M., R.M., P.B.); and Joint Department of Medical Imaging, University of Toronto, Toronto, Canada (J.K.)
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Safety of Electromagnetic Navigation Bronchoscopy in Patients With COPD: Results From the NAVIGATE Study. J Bronchology Interv Pulmonol 2019; 26:33-40. [PMID: 29901531 DOI: 10.1097/lbr.0000000000000522] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Electromagnetic navigation bronchoscopy (ENB) aids in the localization of lung lesions for biopsy and/or to guide fiducial or dye marking for stereotactic radiation or surgical localization. This study assessed ENB safety in patients with chronic obstructive pulmonary disease (COPD) and/or poor lung function. METHODS NAVIGATE is a prospective, multicenter, observational study of ENB. This substudy analyzed the 1-month follow-up of the first 1000 enrolled subjects. COPD was determined by medical history. Pulmonary function testing (PFT) results were collected if available within 30 days of the procedure. Procedure-related complications were captured. RESULTS The analysis included 448 subjects with COPD and 541 without COPD (COPD data missing in 11). One-month follow-up was completed in 93.3%. Subjects with COPD tended to be older, male, and have history of tobacco exposure, asthma, and recent pneumonia. Nodule size, location, and procedure time were similar between groups. There was no statistically significant difference in the procedure-related composite complication rate between groups (7.4% with COPD, 7.8% without COPD, P=0.90). Common Terminology Criteria for Adverse Events scale grade ≥2 pneumothorax was not different between groups (2.7% with COPD, 3.7% without COPD, P=0.47). COPD was not a significant multivariate predictor of complications. Severity of forced expiratory volume in 1 second (FEV1) or diffusing capacity of the lung for carbon monoxide impairment was not associated with increased composite procedure-related complications (ppFEV1 P=0.66, ppDLCO P=0.36). CONCLUSION In this analysis, complication rates following ENB procedures were not increased in patients with COPD or poor pulmonary function. Because pneumothorax risk is not elevated, ENB may be the preferred method to biopsy peripheral lung lesions in patients with COPD and/or poor pulmonary function testing.
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25
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Huo YR, Chan MV, Habib AR, Lui I, Ridley L. Post-Biopsy Manoeuvres to Reduce Pneumothorax Incidence in CT-Guided Transthoracic Lung Biopsies: A Systematic Review and Meta-analysis. Cardiovasc Intervent Radiol 2019; 42:1062-1072. [PMID: 30863965 DOI: 10.1007/s00270-019-02196-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Accepted: 03/04/2019] [Indexed: 12/11/2022]
Abstract
This systematic review and meta-analysis investigated post-biopsy manoeuvres to reduce pneumothorax following computed tomography-guided percutaneous transthoracic lung biopsy. Twenty-one articles were included with 7080 patients. Chest drain insertion rates were significantly reduced by ninefold with the normal saline tract sealant compared to controls (OR 0.11, 95% CI 0.02-0.48), threefold with the rapid rollover manoeuvre to puncture site down (OR 0.34, 95% CI 0.18-0.63), threefold with the tract plug (OR 0.33, 95% CI 0.22-0.48) and threefold with the blood patch (OR 0.39, 95% CI 0.26-0.58). The absolute chest drain insertion rates were the lowest in the normal saline tract sealant (0.8% vs 7.3% for controls), rapid rollover (1.9% vs 5.2%), deep expiration and breath-hold on needle extraction (0.9% vs 1.8%) and standard rollover versus no rollover (2.6% vs 5.2%). These findings highlight post-biopsy manoeuvres which could help reduce pneumothorax and chest drain insertions following lung biopsies. LEVEL OF EVIDENCE: Level 1/no level of evidence, systematic review.
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Affiliation(s)
- Ya Ruth Huo
- NSW Health, Bankstown-Campbelltown Hospital, Sydney, Australia
| | - Michael Vinchill Chan
- Department of Radiology, Concord Repatriation General Hospital, Sydney, Australia. .,Faculty of Medicine, University of Sydney, Sydney, Australia.
| | - Al-Rahim Habib
- Faculty of Medicine, University of Sydney, Sydney, Australia
| | - Isaac Lui
- Department of Radiology, Concord Repatriation General Hospital, Sydney, Australia
| | - Lloyd Ridley
- Department of Radiology, Concord Repatriation General Hospital, Sydney, Australia.,Faculty of Medicine, University of Sydney, Sydney, Australia
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26
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Does Ipsilateral-Dependent Positioning During Percutaneous Lung Biopsy Decrease the Risk of Pneumothorax? AJR Am J Roentgenol 2018; 212:461-466. [PMID: 30540211 DOI: 10.2214/ajr.18.19871] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
OBJECTIVE The purpose of this study is to determine whether placing patients in an ipsilateral-dependent position during percutaneous CT-guided transthoracic biopsy reduces the pneumothorax rate. MATERIALS AND METHODS Between July 2013 and August 2017, a total of 516 patients (317 men and 199 women; mean age, 66.4 years) underwent core needle biopsies performed using 17- and 18-gauge needles. The overall pneumothorax rate and the rate of pneumothorax requiring drainage catheter insertion were compared between group A (patients placed in an ipsilateral-dependent position) and group B (patients placed in a position other than the ipsilateral-dependent position), with use of a chi-square test or Fisher exact test, as appropriate. Linear regression analysis and multiple regression analysis were performed for risk factors of pneumothorax, including patient characteristics (e.g., emphysema along the needle track), lesion characteristics (e.g., size and position), and biopsy technique characteristics (e.g., needle path length, needle-pleura angle, and fissure crossing). RESULTS For patients in group A and group B, the overall pneumothorax rate (21/94 [22.3%] and 95/422 [22.5%], respectively; p = 0.97) and the rate of pneumothorax requiring drainage catheter insertion (6/94 [6.4%] and 28/422 [6.6%], respectively; p = 0.90) were not statistically different. After multiple regression analysis, the only independent risk factors for pneumothorax and insertion of a drainage catheter were needle path length (p < 0.001 and p = 0.02, respectively), emphysema along the needle track (p = 0.01 and p < 0.001, respectively), and fissure crossing (p = 0.04 and p < 0.001, respectively). CONCLUSION Even though the pneumothorax rate does not appear to be reduced, with the limits of a retrospective evaluation considered, other advantages of the ipsilateral decubitus position exist, including protection of the contralateral lung in patients with severe hemoptysis.
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Injection of Saline Into the Biopsy Tract and Rapid Patient Rollover Decreases Pneumothorax Size Following Computed Tomography-Guided Transthoracic Needle Biopsy. Can Assoc Radiol J 2018; 69:489-492. [PMID: 30309700 DOI: 10.1016/j.carj.2018.08.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 07/30/2018] [Accepted: 08/22/2018] [Indexed: 11/22/2022] Open
Abstract
PURPOSE To determine if saline tract injection and rapid patient rollover following computed tomography (CT)-guided transthoracic needle biopsy (TTNB) affects pneumothorax incidence and size. METHODS A retrospective cohort design was used to compare 278 patients who underwent post-biopsy saline injection and rapid rollover so that the biopsy site was dependent (N = 180) to a control group with routine post-biopsy care (N = 98). Post-procedure radiographs and CT were assessed for presence and size of pneumothorax, as well as requirement for chest tube placement. RESULTS Pneumothorax size as estimated on post-procedure CT was 3.33% in the treatment group and 6.63% in the control group (P < .05). There was also a reduction in chest tube placements in the treatment group (3.9% vs 10%, P < .05). On post-procedure radiographs, pneumothorax rates were 20% in the treatment group, and 25% in the control group (P > .05). CONCLUSION Saline injection with rapid patient rollover following TTNB significantly decreased pneumothorax size and chest tube placement but not incidence.
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28
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Lim HJ, Park CM, Yoon SH, Bae JS, Goo JM. Cone-Beam CT Virtual Navigation-Guided Percutaneous Needle Biopsy of Suspicious Pleural Metastasis: A Pilot Study. Korean J Radiol 2018; 19:872-879. [PMID: 30174476 PMCID: PMC6082769 DOI: 10.3348/kjr.2018.19.5.872] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Accepted: 02/06/2018] [Indexed: 11/17/2022] Open
Abstract
Objective To evaluate the diagnostic performance of cone-beam computed tomography (CBCT) virtual navigation-guided percutaneous pleural biopsy for suspected malignant pleural disease. Materials and Methods This study enrolled 59 patients (31 males and 28 females; mean age, 63.4 years) with suspected malignant pleural disease diagnosed with CBCT from December 2010 to December 2016. Sixty-three CBCT-guided biopsies were performed using a coaxial system with 18- or 20-gauge cutting needles. Procedural details, diagnostic performance, radiation exposure, and complication rates were investigated. Results The mean diameter perpendicular to the pleura of 51 focal and 12 diffuse pleural lesions was 1.53 ± 0.76 cm. The mean distance from the skin to the target was 3.40 ± 1.51 cm. Mean numbers of CT acquisitions and biopsies were 3.21 ± 0.57 and 3.05 ± 1.54. Total procedure time and coaxial introducer indwelling time were 11.87 ± 5.59 min and 8.78 ± 4.95 min, respectively. The mean dose area product was 12013.61 ± 7969.59 mGym2. There were 48 malignant, 10 benign, and 5 indeterminate lesions. Sensitivity, specificity, and diagnostic accuracy were 93.8% (45/48), 100% (10/10), and 94.8% (55/58), respectively. Positive and negative predictive values for malignancy were 100% (45/45) and 76.9% (10/13), respectively. Four patients (6.8%) with benign pathology during initial biopsy but still showing a high suspicion of malignancy underwent repeat biopsy and three of them were finally diagnosed with malignant pleural disease. There were three cases of minimal pneumothorax and no grave procedure-related complications. Conclusion Cone-beam computed tomography-guided biopsy is an accurate and safe diagnostic technique for suspected malignant pleural lesion with reasonable radiation exposure and procedure time.
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Affiliation(s)
- Hyun-Ju Lim
- Department of Radiology, Seoul National University Hospital, Seoul 03080, Korea
| | - Chang Min Park
- Department of Radiology, Seoul National University Hospital, Seoul 03080, Korea
| | - Soon Ho Yoon
- Department of Radiology, Seoul National University Hospital, Seoul 03080, Korea
| | - Jae Seok Bae
- Department of Radiology, Seoul National University Hospital, Seoul 03080, Korea
| | - Jin Mo Goo
- Department of Radiology, Seoul National University Hospital, Seoul 03080, Korea
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29
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Hwang EJ, Kim H, Park CM, Yoon SH, Lim HJ, Goo JM. Cone beam computed tomography virtual navigation-guided transthoracic biopsy of small (≤ 1 cm) pulmonary nodules: impact of nodule visibility during real-time fluoroscopy. Br J Radiol 2018; 91:20170805. [PMID: 29595322 DOI: 10.1259/bjr.20170805] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVE To evaluate the impact of nodule visibility during real-time fluoroscopy and other biopsy-related variables on the diagnostic accuracy and complication rates of cone beam CT (CBCT) virtual navigation (VN)-guided percutaneous transthoracic needle biopsies (PTNBs) of small (≤1 cm) pulmonary nodules. METHODS Patients (99 males and 114 females; age, 62.1 ± 11.1 years) who underwent CBCT VN-guided biopsies for lung nodules ≤ 1 cm were retrospectively reviewed. The visibility of target nodules was assessed on the captured fluoroscopy images. Diagnostic accuracies were calculated and logistic regression analyses were performed to determine independent influencing factors for the correct diagnosis and complications (pneumothoraxes and hemoptysis) in CBCT VN-guided PTNBs, respectively. RESULTS Among 213 nodules, 63 (29.6%) were invisible on real-time fluoroscopy during VN. The diagnostic accuracy of CBCT VN-guided PTNBs for the invisible nodules was 76.7%, while for the visible nodules was 89.1% (p = 0.042). In the logistic regression analysis, the visibility of a target nodule (odds ratio = 2.49, p = 0.047) was the only independent influencing factor for a correct diagnosis. As regards complication rates, nodule visibility was not a significant factor for the occurrence of a pneumothorax or hemoptysis. CONCLUSION Although nodule visibility on real-time fluoroscopy was an affecting factor for the correct diagnosis, CBCT VN-guided PTNB was feasible for the invisible nodules with diagnostic accuracy of 76.7%. Advance in knowledge: CBCT VN-guided PTNB can be tried safely for the subcentimeter-sized pulmonary nodules regardless of their fluoroscopic visibility.
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Affiliation(s)
- Eui Jin Hwang
- 1 Department of Radiology, Seoul National University College of Medicine , Seoul , Korea
| | - Hyungjin Kim
- 1 Department of Radiology, Seoul National University College of Medicine , Seoul , Korea
| | - Chang Min Park
- 1 Department of Radiology, Seoul National University College of Medicine , Seoul , Korea.,2 Institute of Radiation Medicine, Seoul National University Medical Research Center , Seoul , Korea
| | - Soon Ho Yoon
- 1 Department of Radiology, Seoul National University College of Medicine , Seoul , Korea.,2 Institute of Radiation Medicine, Seoul National University Medical Research Center , Seoul , Korea
| | - Hyun-Ju Lim
- 3 Department of Radiology, National Cancer Center , Goyang-si, Gyeonggi-do , Korea
| | - Jin Mo Goo
- 1 Department of Radiology, Seoul National University College of Medicine , Seoul , Korea.,2 Institute of Radiation Medicine, Seoul National University Medical Research Center , Seoul , Korea
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Zeng LC, Yang HF, Xu XX, Xie MG, Liao HQ, Zhang YD, Wang Q, Du Y. Manual aspiration in the biopsy-side down position to deal with delayed pneumothorax after lung biopsy. J Thorac Dis 2018; 10:241-246. [PMID: 29600054 DOI: 10.21037/jtd.2017.12.03] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Background To assess the effect of aspiration in the biopsy-side down position to deal with delayed pneumothorax after computed tomography (CT)-guided lung biopsy. Methods A retrospective review was performed of the 236 delayed pneumothorax patients who underwent CT-guided transthoracic needle biopsies (TTNBs). Asymptomatic minimal pneumothorax patients were managed conservatively. Manual aspirations were applied for symptomatic cases with minimal pneumothorax and all cases with moderate to large pneumothorax. Patients were included into two groups: in group A (35 patients), aspiration was performed in the same position as the biopsy, while in group B (54 patients), patients were turned to the biopsy-side down position (from supine to prone or vice versa), and aspiration was conducted. The efficacy of two approaches was evaluated. Results One hundred forty-seven (62.3%) asymptomatic cases resolved without treatment. Distance between parietal and visceral pleura before and after aspiration were 4.24±1.87 and 1.93±2.33 cm for group A, 3.92±1.31 and 0.98±1.50 cm for group B, respectively. Volume of aspirated air in group A and group B were 735.4±231.8 and 434.8±320.3 mL, respectively. Complete lung expansion was detected in 28.6% (10/35) and 38.9% (21/54) for group A and group B, respectively. The overall effective rate and failure rate were 74.3% (26/35) and 25.7%(9/35) for group A, 92.6% (50/54) and 7.4%((4/54))for group B, respectively, which have significant statistic difference (P<0.05). Conclusions Manual aspiration in biopsy-side down position demonstrates the safety and efficacy in treating delayed pneumothorax after CT-guided TTNBs. Thus reduce the rate of pneumothorax requiring drainage catheter placement.
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Affiliation(s)
- Li-Chuan Zeng
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Han-Feng Yang
- Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Xiao-Xue Xu
- Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Ming-Guo Xie
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Hua-Qiang Liao
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Yu-Dong Zhang
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Qu Wang
- Department of Ultrasound, Teaching Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Yong Du
- Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
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Risk factors for haemoptysis after percutaneous transthoracic needle biopsies in 4,172 cases: Focusing on the effects of enlarged main pulmonary artery diameter. Eur Radiol 2017; 28:1410-1419. [PMID: 29063253 DOI: 10.1007/s00330-017-5101-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Revised: 09/04/2017] [Accepted: 09/27/2017] [Indexed: 12/13/2022]
Abstract
OBJECTIVES To evaluate the risk factors for haemoptysis after cone-beam computed tomography (CBCT)-guided percutaneous transthoracic needle biopsy (PTNB), particularly on whether the enlargement of main pulmonary artery diameter (mPAD) is a risk factor for PTNB-related haemoptysis. METHODS 4,172 cases of CBCT-guided PTNBs in 3,840 patients were retrospectively included in this study. Various data including mPAD measured on preprocedural CT images were evaluated using logistic regression analyses to determine significant risk factors for both haemoptysis and severe haemoptysis, designated as when blood transfusion, vascular embolisation or cardiopulmonary resuscitation were required to manage patients with haemoptysis. RESULTS Haemoptysis occurred in 5.78 % (241/4172) of all PTNB procedures, while severe haemoptysis occurred in 0.18 % (7/4172). Female sex, history of antiplatelet or anticoagulative drugs, prolonged activated partial thromboplastin time, subsolid nodules, cavitary nodules and long pleura-to-target distance were revealed to be independent risk factors for haemoptysis, while mPAD enlargement (> 29.5 mm) was not. Regarding severe haemoptysis, however, mPAD enlargement was demonstrated to be an independent risk factor along with the presence of subsolid and cavitary target nodules. CONCLUSION mPAD enlargement was not a significant risk factor for PTNB-related haemoptysis; however, it was a significant risk factor for severe haemoptysis. KEY POINTS • mPAD enlargement was a significant risk factor for severe PTNB-related haemoptysis. • mPAD can be useful in screening high-risk patients for severe haemoptysis. • Subsolid or cavitary nodule was another significant risk factor for severe haemoptysis.
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Lim WH, Park CM, Yoon SH, Lim HJ, Hwang EJ, Lee JH, Goo JM. Time-dependent analysis of incidence, risk factors and clinical significance of pneumothorax after percutaneous lung biopsy. Eur Radiol 2017; 28:1328-1337. [PMID: 28971242 DOI: 10.1007/s00330-017-5058-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Revised: 08/22/2017] [Accepted: 09/05/2017] [Indexed: 10/18/2022]
Abstract
OBJECTIVES To evaluate the time-dependent incidence, risk factors and clinical significance of percutaneous lung biopsy (PLB)-related pneumothorax. METHODS From January 2012-November 2015, 3,251 patients underwent 3,354 cone-beam CT-guided PLBs for lung lesions. Cox, logistic and linear regression analyses were performed to identify time-dependent risk factors of PLB-related pneumothorax, risk factors of drainage catheter insertion and those of prolonged catheter placement, respectively. RESULTS Pneumothorax occurred in 915/3,354 PLBs (27.3 %), with 230/915 (25.1 %) occurring during follow-ups. Risk factors for earlier occurrence of PLB-related pneumothorax include emphysema (HR=1.624), smaller target (HR=0.922), deeper location (HR=1.175) and longer puncture time (HR=1.036), while haemoptysis (HR=0.503) showed a protective effect against earlier development of pneumothorax. Seventy-five cases (8.2 %) underwent chest catheter placement. Mean duration of catheter placement was 3.2±2.0 days. Emphysema (odds ratio [OR]=2.400) and longer puncture time (OR=1.053) were assessed as significant risk factors for catheter insertion, and older age (parameter estimate=1.014) was a predictive factor for prolonged catheter placement. CONCLUSION PLB-related pneumothorax occurred in 27.3 %, of which 25.1 % developed during follow-ups. Smaller target size, emphysema, deeply-located lesions were significant risk factors of PLB-related pneumothorax. Emphysema and older age were related to drainage catheter insertion and prolonged catheter placement, respectively. KEY POINTS • One-fourth of percutaneous lung biopsy (PLB)-related pneumothorax occurs during follow-up. • Smaller, deeply-located target and emphysema lead to early occurrence of pneumothorax. • Emphysema is related to drainage catheter insertion for PLB-related pneumothorax. • Older age may lead to prolonged catheter placement for PLB-related pneumothorax. • Tailored management can be possible with time-dependent information of PLB-related pneumothorax.
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Affiliation(s)
- Woo Hyeon Lim
- Department of Radiology, Seoul National University College of Medicine, 101 Daehak-ro, Chongno-gu, Seoul, 03080, Korea
| | - Chang Min Park
- Department of Radiology, Seoul National University College of Medicine, 101 Daehak-ro, Chongno-gu, Seoul, 03080, Korea.
- Institute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Korea.
- Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea.
| | - Soon Ho Yoon
- Department of Radiology, Seoul National University College of Medicine, 101 Daehak-ro, Chongno-gu, Seoul, 03080, Korea
- Institute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Korea
| | - Hyun-Ju Lim
- Department of Radiology, National Cancer Center, Goyang, Korea
| | - Eui Jin Hwang
- Department of Radiology, Seoul National University College of Medicine, 101 Daehak-ro, Chongno-gu, Seoul, 03080, Korea
| | - Jong Hyuk Lee
- Department of Radiology, Seoul National University College of Medicine, 101 Daehak-ro, Chongno-gu, Seoul, 03080, Korea
| | - Jin Mo Goo
- Department of Radiology, Seoul National University College of Medicine, 101 Daehak-ro, Chongno-gu, Seoul, 03080, Korea
- Institute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Korea
- Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
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Diagnostic feasibility and safety of CT-guided core biopsy for lung nodules less than or equal to 8 mm: A single-institution experience. Eur Radiol 2017; 28:796-806. [DOI: 10.1007/s00330-017-5027-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 07/01/2017] [Accepted: 08/09/2017] [Indexed: 12/21/2022]
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Taleb S, Jalaeian H, Frank N, Golzarian J, D'Souza D. Is a Routine Chest X-ray Necessary in Every Patient After Percutaneous CT-Guided Lung Biopsy? A Retrospective Review of 278 Cases. Cardiovasc Intervent Radiol 2017; 40:1415-1420. [PMID: 28432386 DOI: 10.1007/s00270-017-1632-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Accepted: 03/21/2017] [Indexed: 01/05/2023]
Abstract
PURPOSE To determine the rate, clinical significance, and predictors of delayed pneumothorax after CT-guided lung biopsy. METHODS Medical and imaging records of all patients who underwent CT-guided lung biopsy between January 1, 2012, and January 9, 2015, were reviewed. "Early pneumothorax" was defined as one visualized on CT scan at the time of biopsy, "delayed pneumothorax" as one discovered on the first follow-up chest X-ray (CXR), and "clinically significant pneumothorax" as one requiring chest tube placement. RESULTS Three hundred fifty-seven lung biopsies were performed; 79 patients did not have follow-up CXR and were excluded. Out of 278 cases included in the study, early pneumothorax occurred in 109 patients. Follow-up CXRs were available in the remaining 169 patients without early pneumothorax and were obtained 3.1 ± 2.9 h after biopsy. The rate of delayed pneumothorax was 8.6% (24/278). Clinically significant pneumothorax occurred in 10/24 (41.7%) patients with delayed pneumothorax, including one case of tension pneumothorax. Patients with delayed pneumothorax (n = 24) had smaller lesion long axial diameter (18.58 ± 9.84 vs 25.83 ± 17.69 mm, p = 0.005), longer intrapulmonary needle tract (23.45 ± 14.98 vs 14.17 ± 14.49, p = 0.004), and lower FEV1/FVC ratio (53.30 ± 22.47 vs 71.15 ± 13.77, p = 0.015), compared to those without delayed pneumothorax (n = 145). The length of intrapulmonary needle tract was the only independent predictor of delayed pneumothorax (p = 0.008) and symptomatic delayed pneumothorax (p = 0.019). CONCLUSION Obtaining a routine follow-up CXR in all patients after CT-guided lung biopsy appears warranted, given the high rate of delayed pneumothorax and large percentage of patients who will require a chest tube. The only independent predictor of (symptomatic) delayed pneumothorax was the length of intrapulmonary needle tract.
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Affiliation(s)
- Shayandokht Taleb
- Division of Interventional Radiology, Department of Radiology, University of Minnesota, Mayo B229, 420 Delaware St. SE/MMC 292, Minneapolis, MN, 55455, USA
| | - Hamed Jalaeian
- Division of Interventional Radiology, Department of Radiology, University of Minnesota, Mayo B229, 420 Delaware St. SE/MMC 292, Minneapolis, MN, 55455, USA
| | - Nickolas Frank
- Division of Interventional Radiology, Department of Radiology, University of Minnesota, Mayo B229, 420 Delaware St. SE/MMC 292, Minneapolis, MN, 55455, USA
| | - Jafar Golzarian
- Division of Interventional Radiology, Department of Radiology, University of Minnesota, Mayo B229, 420 Delaware St. SE/MMC 292, Minneapolis, MN, 55455, USA
| | - Donna D'Souza
- Division of Interventional Radiology, Department of Radiology, University of Minnesota, Mayo B229, 420 Delaware St. SE/MMC 292, Minneapolis, MN, 55455, USA.
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Towe CW, Ho VP, Kazakov J, Jackson T, Perry Y, Argote-Greene LM, Ginsberg JP, Linden PA. Severe Chronic Obstructive Pulmonary Disease Is Not Associated With Complications After Navigational Bronchoscopy Procedures. Ann Thorac Surg 2017; 104:290-295. [PMID: 28410635 DOI: 10.1016/j.athoracsur.2017.01.062] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 01/03/2017] [Accepted: 01/11/2017] [Indexed: 11/16/2022]
Abstract
BACKGROUND Electromagnetic navigational bronchoscopy (ENB) is a commonly used technique to obtain biopsies of peripheral pulmonary lesions. Little is known about risk factors for complications with this procedure. The aim of this study was to assess the complication rate associated with ENB and the relationship of complications to patient- and procedure-related factors. METHODS Consecutive ENB procedures at an academic medical center between May 11, 2011, and September 11, 2015, were reviewed retrospectively. Preoperative characteristics, including pulmonary function, procedure characteristics, and the occurrence of complications, were recorded. RESULTS In all, 361 procedures were performed on 341 patients. Complications occurred in 30 of 361 (8.3%), the most common of which was pneumothorax (27, 7.5%). Complications were not related to age, sex, American Society of Anesthesiologists grade, or pulmonary function test result. Patients with complications had longer procedure times (50 versus 73 minutes, p = 0.03), and had more interventional modalities used (2.4 versus 3.2, p = 0.001). Multiple logistic regression demonstrated that bronchoalveolar lavage was significantly associated with complications (odds ratio 6.40; 95% confidence interval: 1.68 to 24.3, p = 0.006). CONCLUSIONS Electromagnetic navigational bronchoscopy is safe, and the rate of complications is not elevated among patients with poor lung function. Bronchoalveolar lavage performed during ENB was associated with elevated risk of complications and should be studied further.
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Affiliation(s)
- Christopher W Towe
- Division of Thoracic and Esophageal Surgery, Department of Surgery, University Hospitals Cleveland Medical Center and Case Western Reserve School of Medicine, Cleveland, Ohio.
| | - Vanessa P Ho
- Department of Surgery, University Hospitals Cleveland Medical Center and Case Western Reserve School of Medicine, Cleveland, Ohio
| | - Jordan Kazakov
- Division of Thoracic and Esophageal Surgery, Department of Surgery, University Hospitals Cleveland Medical Center and Case Western Reserve School of Medicine, Cleveland, Ohio
| | - Terence Jackson
- Department of Surgery, University Hospitals Cleveland Medical Center and Case Western Reserve School of Medicine, Cleveland, Ohio
| | - Yaron Perry
- Division of Thoracic and Esophageal Surgery, Department of Surgery, University Hospitals Cleveland Medical Center and Case Western Reserve School of Medicine, Cleveland, Ohio
| | - Luis M Argote-Greene
- Division of Thoracic and Esophageal Surgery, Department of Surgery, University Hospitals Cleveland Medical Center and Case Western Reserve School of Medicine, Cleveland, Ohio
| | - Jennifer P Ginsberg
- Division of Thoracic and Esophageal Surgery, Department of Surgery, University Hospitals Cleveland Medical Center and Case Western Reserve School of Medicine, Cleveland, Ohio
| | - Philip A Linden
- Division of Thoracic and Esophageal Surgery, Department of Surgery, University Hospitals Cleveland Medical Center and Case Western Reserve School of Medicine, Cleveland, Ohio
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Toyokawa G, Takada K, Okamoto T, Kozuma Y, Matsubara T, Haratake N, Takamori S, Akamine T, Katsura M, Shoji F, Oda Y, Maehara Y. High Frequency of Programmed Death-ligand 1 Expression in Emphysematous Bullae-associated Lung Adenocarcinomas. Clin Lung Cancer 2016; 18:504-511.e1. [PMID: 28038981 DOI: 10.1016/j.cllc.2016.11.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 11/02/2016] [Accepted: 11/08/2016] [Indexed: 10/20/2022]
Abstract
OBJECTIVE Emphysematous bullae (EB) are known to be associated with a high incidence of lung cancer; however, the reason for this has yet to be elucidated. The objective of the present study was to clarify the prevalence of programmed death-ligand-1 (PD-L1) expression in EB-associated lung adenocarcinomas. PATIENTS AND METHODS A total of 369 patients with resected lung adenocarcinoma whose preoperative computed tomography findings were available for the examination of EB were analyzed for PD-L1 expression by immunohistochemistry and evaluated to determine the association between PD-L1 expression and EB-related adenocarcinomas. RESULTS Among 369 patients, EB and cancer adjoining EB (Ca-ADJ) were identified in 81 (22.0%) and 50 (13.6%) patients, respectively. EB and Ca-ADJ were significantly associated with male gender, a smoking habit, a decreased forced expiratory volume in 1 second, a relatively higher tumor grade, advanced T status and stage, the presence of pleural and vessel invasion, invasive pathologic subtypes, and wild-type epidermal growth factor receptor. Seventy patients (19.0%) were positive for PD-L1 expression, whereas the remaining 299 patients (81.0%) were negative. Thirty-six (44.4%) and 29 (58.0%) of 81 and 50 patients with EB and Ca-ADJ, respectively, were positive for PD-L1 expression, which was shown to be significant by the Fisher exact test (P < .001 and P < .001, respectively). Among the 81 lung adenocarcinomas with EB, Ca-ADJ was significantly associated with PD-L1 expression (P = .021). In a multivariate analysis, the presence of Ca-ADJ was found to be an independent predictor of PD-L1 expression. CONCLUSIONS EB-associated lung adenocarcinomas express PD-L1 protein more frequently than those without EB.
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Affiliation(s)
- Gouji Toyokawa
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
| | - Kazuki Takada
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan; Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tatsuro Okamoto
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yuka Kozuma
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Taichi Matsubara
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Naoki Haratake
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shinkichi Takamori
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Takaki Akamine
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masakazu Katsura
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Fumihiro Shoji
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshihiko Maehara
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Ahrar JU, Gupta S, Ensor JE, Mahvash A, Sabir SH, Steele JR, McRae SE, Avritscher R, Huang SY, Odisio BC, Murthy R, Ahrar K, Wallace MJ, Tam AL. Efficacy of a Self-expanding Tract Sealant Device in the Reduction of Pneumothorax and Chest Tube Placement Rates After Percutaneous Lung Biopsy: A Matched Controlled Study Using Propensity Score Analysis. Cardiovasc Intervent Radiol 2016; 40:270-276. [PMID: 27826786 DOI: 10.1007/s00270-016-1489-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 10/26/2016] [Indexed: 12/21/2022]
Abstract
PURPOSE To evaluate the use of a self-expanding tract sealant device (BioSentry™) on the rates of pneumothorax and chest tube insertion after percutaneous lung biopsy. MATERIALS AND METHODS In this retrospective study, we compared 318 patients who received BioSentry™ during percutaneous lung biopsy (treated group) with 1956 patients who did not (control group). Patient-, lesion-, and procedure-specific variables, and pneumothorax and chest tube insertion rates were recorded. To adjust for potential selection bias, patients in the treated group were matched 1:1 to patients in the control group using propensity score matching based on the above-mentioned variables. Patients were considered a match if the absolute difference in their propensity scores was ≤equal to 0.02. RESULTS Before matching, the pneumothorax and chest tube rates were 24.5 and 13.1% in the control group, and 21.1 and 8.5% in the treated group, respectively. Using propensity scores, a match was found for 317 patients in the treatment group. Chi-square contingency matched pair analysis showed the treated group had significantly lower pneumothorax (20.8 vs. 32.8%; p = 0.001) and chest tube (8.2 vs. 20.8%; p < 0.0001) rates compared to the control group. Sub-analysis including only faculty who had >30 cases of both treatment and control cases demonstrated similar findings: the treated group had significantly lower pneumothorax (17.6 vs. 30.2%; p = 0.002) and chest tube (7.2 vs. 18%; p = 0.001) rates. CONCLUSIONS The self-expanding tract sealant device significantly reduced the pneumothorax rate, and more importantly, the chest tube placement rate after percutaneous lung biopsy.
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Affiliation(s)
- Judy U Ahrar
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA. .,Unit 1471, Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, PO Box 301402, Houston, TX, 77230-1402, USA.
| | - Sanjay Gupta
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
| | - Joe E Ensor
- The Houston Methodist Cancer Center, Houston Methodist Research Institute, Houston, TX, USA
| | - Armeen Mahvash
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
| | - Sharjeel H Sabir
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
| | - Joseph R Steele
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
| | - Stephen E McRae
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
| | - Rony Avritscher
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
| | - Steven Y Huang
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
| | - Bruno C Odisio
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
| | - Ravi Murthy
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
| | - Kamran Ahrar
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
| | - Michael J Wallace
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
| | - Alda L Tam
- Department of Interventional Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
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The Role of Interventional Oncology in the Management of Lung Cancer. Cardiovasc Intervent Radiol 2016; 40:153-165. [PMID: 27815575 DOI: 10.1007/s00270-016-1495-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Accepted: 10/26/2016] [Indexed: 12/11/2022]
Abstract
Interventional radiological procedures for diagnosis and treatment of lung cancer have become increasingly important. Imaging-guided percutaneous biopsy has become the modality of choice for diagnosing lung cancer, and in the era of target therapies, it is an useful tool to define earlier patient-specific tumor phenotypes. In functionally inoperable patients, especially the ablative procedures are potentially curative alternatives to surgery. In addition to thermally ablative treatment, selective chemoembolization by a vascular access allows localized therapy. These treatments are considered for patients in a reduced general condition which does not allow systemic chemotherapy. The present article reviews the role of interventional oncology in the management of primary lung cancer, focusing on the state of the art for each procedure.
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de Margerie-Mellon C, de Bazelaire C, de Kerviler E. Image-guided biopsy in primary lung cancer: Why, when and how. Diagn Interv Imaging 2016; 97:965-972. [DOI: 10.1016/j.diii.2016.06.016] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 06/16/2016] [Accepted: 06/17/2016] [Indexed: 10/21/2022]
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Pleural biopsies in undiagnosed pleural effusions; Abrams vs image-guided vs thoracoscopic biopsies. Curr Opin Pulm Med 2016; 22:392-8. [DOI: 10.1097/mcp.0000000000000258] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Clinical utility of F-18 FDG PET-CT in the initial evaluation of lung cancer. Eur J Nucl Med Mol Imaging 2016; 43:2084-97. [PMID: 27164899 DOI: 10.1007/s00259-016-3407-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 04/26/2016] [Indexed: 12/19/2022]
Abstract
PURPOSE Positron emission tomography-computed tomography (PET-CT) is a resource-demanding imaging modality with increasing popularity in the workup of patients with suspected or proven lung cancer. METHODS To review the clinical usefulness of this imaging modality in the diagnosis, staging, and pre-operative evaluation, we conducted a systematic literature search, review, and quality assessment using the rapid evidence assessment toolkit and the Oxford Centre for Evidence-Based Medicine methodology. The literature search resulted in 4,208 records including 918 reviews, of which 139 met the predefined criteria and were read in full to identify relevant original articles on F-18 FDG PET-CT (1) in the evaluation of solitary pulmonary nodules (n = 14), (2) in curative-intent treatment trials (n = 9), and (3) in planning of invasive procedures (n = 18). RESULTS We found the following important results from the literature review: 1) PET-CT can rule out malignancy in most solitary pulmonary nodules due to high sensitivity (recommendation level A). 2) PET-CT reduces the number of futile treatment trials (recommendation level A). 3) The sensitivity of PET-CT in general is insufficient to rule out mediastinal lymph node metastasis (recommendation level A). CONCLUSIONS ᅟ 1) With few exceptions, solitary pulmonary nodules can safely be considered benign if the PET-CT scan is negative. Exceptions consist of small (<1 cm) and non-solid, solitary pulmonary nodules. These abnormalities should be followed up by CT in a structured programme. 2) No curative-intent treatment should be commenced until a PET-CT scan has excluded occult distant metastases. 3) In general, lymph node metastasis in the mediastinum cannot be ruled out on the basis of a negative PET-CT, and confirmative invasive staging should be performed in most patients before mediastinal metastasis is confirmed or ruled out.
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Abstract
BACKGROUND Image guided transthoracic needle aspiration (TTNA) is a valuable tool used for the diagnosis of countless thoracic diseases. Computed tomography (CT) is the most common imaging modality used for guidance followed by ultrasound (US) for lesions abutting the pleural surface. Novel approaches using virtual CT guidance have recently been introduced. The objective of this review is to examine the current literature for TTNA biopsy of the lung focusing on diagnostic accuracy and safety. METHODS MEDLINE was searched from inception to October 2015 for all case series examining image guided TTNA. Articles focusing on fluoroscopic guidance as well as influence of rapid on-site evaluation (ROSE) on yield were excluded. The diagnostic accuracy, defined as the number of true positives divided by the number of biopsies done, as well as the complication rate [pneumothorax (PTX), bleeding] was examined for CT guided TTNA, US guided TTNA as well as CT guided electromagnetic navigational-TTNA (E-TTNA). Of the 490 articles recovered 75 were included in our analysis. RESULTS The overall pooled diagnostic accuracy for CT guided TTNA using 48 articles that met the inclusion and exclusion criteria was 92.1% (9,567/10,383). A similar yield was obtained examining ten articles using US guided TTNA of 88.7% (446/503). E-TTNA, being a new modality, only had one pilot study citing a diagnostic accuracy of 83% (19/23). Pooled PTX and hemorrhage rates were 20.5% and 2.8% respectively for CT guided TTNA. The PTX rate was lower in US guided TTNA at a pooled rate of 4.4%. E-TTNA showed a similar rate of PTX at 20% with no incidence of bleeding in a single pilot study available. CONCLUSIONS Image guided TTNA is a safe and accurate modality for the biopsy of lung pathology. This study found similar yield and safety profiles with the three imaging modalities examined.
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Affiliation(s)
- David M DiBardino
- 1 Division of Pulmonary, Allergy and Critical Care Medicine, Columbia University College of Physicians and Surgeons, New York, NY, USA ; 2 Division of Pulmonary and Critical Care Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Lonny B Yarmus
- 1 Division of Pulmonary, Allergy and Critical Care Medicine, Columbia University College of Physicians and Surgeons, New York, NY, USA ; 2 Division of Pulmonary and Critical Care Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Roy W Semaan
- 1 Division of Pulmonary, Allergy and Critical Care Medicine, Columbia University College of Physicians and Surgeons, New York, NY, USA ; 2 Division of Pulmonary and Critical Care Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
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Neyaz Z, Mohindra N. Is the rapid needle-out patient-rollover approach after CT-guided lung biopsy really effective for pneumothorax prevention? J Thorac Dis 2015; 7:E350-3. [PMID: 26543629 DOI: 10.3978/j.issn.2072-1439.2015.09.34] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Zafar Neyaz
- Department of Radiodiagnosis, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Namita Mohindra
- Department of Radiodiagnosis, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
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Rotolo N, Floridi C, Imperatori A, Fontana F, Ierardi AM, Mangini M, Arlant V, De Marchi G, Novario R, Dominioni L, Fugazzola C, Carrafiello G. Comparison of cone-beam CT-guided and CT fluoroscopy-guided transthoracic needle biopsy of lung nodules. Eur Radiol 2015; 26:381-9. [PMID: 26045345 DOI: 10.1007/s00330-015-3861-6] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 05/12/2015] [Accepted: 05/21/2015] [Indexed: 12/17/2022]
Abstract
PURPOSE To compare the diagnostic performance of cone-beam CT (CBCT)-guided and CT fluoroscopy (fluoro-CT)-guided technique for transthoracic needle biopsy (TNB) of lung nodules. METHODS The hospital records of 319 consecutive patients undergoing 324 TNBs of lung nodules in a single radiology unit in 2009-2013 were retrospectively evaluated. The newly introduced CBCT technology was used to biopsy 123 nodules; 201 nodules were biopsied by conventional fluoro-CT-guided technique. We assessed the performance of the two biopsy systems for diagnosis of malignancy and the radiation exposure. RESULTS Nodules biopsied by CBCT-guided and by fluoro-CT-guided technique had similar characteristics: size, 20 ± 6.5 mm (mean ± standard deviation) vs. 20 ± 6.8 mm (p = 0.845); depth from pleura, 15 ± 15 mm vs. 15 ± 16 mm (p = 0.595); malignant, 60% vs. 66% (p = 0.378). After a learning period, the newly introduced CBCT-guided biopsy system and the conventional fluoro-CT-guided system showed similar sensitivity (95% and 92%), specificity (100% and 100%), accuracy for diagnosis of malignancy (96% and 94%), and delivered non-significantly different median effective doses [11.1 mSv (95 % CI 8.9-16.0) vs. 14.5 mSv (95% CI 9.5-18.1); p = 0.330]. CONCLUSION The CBCT-guided and fluoro-CT-guided systems for lung nodule biopsy are similar in terms of diagnostic performance and effective dose, and may be alternatively used to optimize the available technological resources. KEY POINTS • CBCT-guided and fluoro-CT-guided lung nodule biopsy provided high and similar diagnostic accuracy. • Effective dose from CBCT-guided and fluoro-CT-guided lung nodule biopsy was similar. • To optimize resources, CBCT-guided lung nodule biopsy may be an alternative to fluoro-CT-guided.
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Affiliation(s)
- Nicola Rotolo
- Center for Thoracic Surgery, Insubria University, Viale Borri 57, 21100, Varese, Italy
| | - Chiara Floridi
- Radiology Department, Insubria University, Viale Borri 57, 21100, Varese, Italy
| | - Andrea Imperatori
- Center for Thoracic Surgery, Insubria University, Viale Borri 57, 21100, Varese, Italy
| | - Federico Fontana
- Radiology Department, Insubria University, Viale Borri 57, 21100, Varese, Italy
| | - Anna Maria Ierardi
- Radiology Department, Insubria University, Viale Borri 57, 21100, Varese, Italy
| | - Monica Mangini
- Radiology Department, Insubria University, Viale Borri 57, 21100, Varese, Italy
| | - Veronica Arlant
- Center for Thoracic Surgery, Insubria University, Viale Borri 57, 21100, Varese, Italy
| | - Giuseppe De Marchi
- Radiology Department, Insubria University, Viale Borri 57, 21100, Varese, Italy
| | - Raffaele Novario
- Medical Physics Department, Insubria University, Viale Borri 57, 21100, Varese, Italy
| | - Lorenzo Dominioni
- Center for Thoracic Surgery, Insubria University, Viale Borri 57, 21100, Varese, Italy
| | - Carlo Fugazzola
- Radiology Department, Insubria University, Viale Borri 57, 21100, Varese, Italy
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C-Arm Cone-Beam CT Virtual Navigation-Guided Percutaneous Mediastinal Mass Biopsy: Diagnostic Accuracy and Complications. Eur Radiol 2015; 25:3508-17. [PMID: 25916390 DOI: 10.1007/s00330-015-3762-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Revised: 03/07/2015] [Accepted: 04/01/2015] [Indexed: 12/29/2022]
Abstract
OBJECTIVES To assess the usefulness of C-arm cone-beam computed tomography (CBCT) virtual navigation-guided percutaneous mediastinal mass biopsy in terms of diagnostic accuracy and complication rates. METHODS Seventy-eight CBCT virtual navigation-guided percutaneous mediastinal mass biopsies were performed in 75 patients (M:F, 38:37; mean age, 48.55 ± 18.76 years). The procedural details, diagnostic sensitivity, specificity, accuracy and complication rate were investigated. RESULTS Mean lesion size was 6.80 ± 3.08 cm, skin-to-target distance was 3.67 ± 1.80 cm, core needle biopsy rate was 96.2 % (75/78), needle indwelling time was 9.29 ± 4.34 min, total procedure time was 13.26 ± 5.29 min, number of biopsy specimens obtained was 3.13 ± 1.02, number of CBCTs performed was 3.03 ± 0.68, rate of lesion border discrimination from abutting mediastinal structures on CBCT was 26.9 % (21/78), technical success rate was 100 % (78/78), estimated effective dose was 5.33 ± 4.99 mSv, and the dose area product was 12,723.68 ± 10,665.74 mGy⋅cm(2). Among the 78 biopsies, 69 were malignant, 7 were benign and 2 were indeterminate. Diagnostic sensitivity, specificity and accuracy for the diagnosis of malignancies were 97.1 % (67/69), 100 % (7/7) and 97.4 % (74/76), respectively, with a complication rate of 3.85 % (3/78), all of which were small pneumothoraces. CONCLUSIONS CBCT virtual navigation-guided biopsy is a highly accurate and safe procedure for the evaluation of mediastinal lesions. KEY POINTS • CBCT virtual navigation-guided percutaneous mediastinal biopsy is highly accurate • CBCT virtual navigation-guided percutaneous mediastinal biopsy is a safe procedure • Mediastinal vascular injury can be avoided under CBCT virtual navigation guidance.
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