Transbronchial biopsy from the upper pulmonary lobes is associated with increased risk of pneumothorax – a retrospective study

Abstract Background Pneumothorax (PTX) is one of the most common complications of transbronchial biopsy (TBB). Previous research suggests that upper pulmonary lobe TBB may be associated with increased risk of PTX development. The aim of this study was to compare the risk of PTX after TBB performed f...

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Main Authors: Vladimir Herout, Michaela Heroutova, Zdenek Merta, Ivan Cundrle Jr, Kristian Brat
Format: Article
Language:English
Published: BMC 2019-03-01
Series:BMC Pulmonary Medicine
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12890-019-0820-z
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author Vladimir Herout
Michaela Heroutova
Zdenek Merta
Ivan Cundrle Jr
Kristian Brat
author_facet Vladimir Herout
Michaela Heroutova
Zdenek Merta
Ivan Cundrle Jr
Kristian Brat
author_sort Vladimir Herout
collection DOAJ
description Abstract Background Pneumothorax (PTX) is one of the most common complications of transbronchial biopsy (TBB). Previous research suggests that upper pulmonary lobe TBB may be associated with increased risk of PTX development. The aim of this study was to compare the risk of PTX after TBB performed from different pulmonary lobes. Methods All bronchoscopic records from the period January 1st, 2015 - December 31st, 2017 (from the Department of Respiratory Diseases, University Hospital Brno, Czech Republic) were retrospectively analyzed. Of the 3542 bronchoscopic records, 796 patients underwent TBB and were further analyzed. Basic demographic data, TBB procedure-related factors, smoking history and radiological features were analyzed. Furthermore, in patients who developed PTX, PTX onset, PTX symptoms, distribution of the abnormal radiological findings and duration of hospitalization were also analyzed. Results Patients who developed PTX had significantly lower body mass index (BMI) and more than 4 samples taken during procedure (all p < 0.05). TBB performed from the left upper pulmonary lobe was associated with a significant risk of PTX development (OR 2.27; 95% CI 1.18–4.35; p = 0.02). On the contrary, TBB performed from the right lower lobe was associated with a significant reduction of risk of developing PTX (OR 0.47; 95% CI 0.22–0.98; p = 0.04). Logistic regression analysis showed BMI (OR 1.08; 95% CI 1.02–1.16; p = 0.01), left upper lobe as sampling site (OR 2.15; 95% CI 1.13–4.11; p = 0.02) and more than 4 samples taken (OR 1.91; 95% CI 1.04–3.49; p = 0.04) to be significantly associated with PTX development. Conclusions We conclude that TBB from the left upper pulmonary lobe is associated with significantly increased risk of post-procedural PTX. The right lower pulmonary lobe seems to be the safest sampling site to perform TBB. In patients with diffuse-type pulmonary disease, TBB should be performed preferably from the right lower lobe in order to decrease the risk of post-procedural PTX.
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spelling doaj.art-ca7a8983e05b486f8da038129ab5bb652022-12-21T20:31:31ZengBMCBMC Pulmonary Medicine1471-24662019-03-011911610.1186/s12890-019-0820-zTransbronchial biopsy from the upper pulmonary lobes is associated with increased risk of pneumothorax – a retrospective studyVladimir Herout0Michaela Heroutova1Zdenek Merta2Ivan Cundrle Jr3Kristian Brat4Department of Respiratory Diseases, University Hospital Brno and Faculty of Medicine, Masaryk UniversityDepartment of Respiratory Diseases, University Hospital Brno and Faculty of Medicine, Masaryk UniversityDepartment of Respiratory Diseases, University Hospital Brno and Faculty of Medicine, Masaryk UniversityDepartment of Anesthesiology and Intensive Care, St. Anne’s University Hospital and Faculty of Medicine, Masaryk UniversityDepartment of Respiratory Diseases, University Hospital Brno and Faculty of Medicine, Masaryk UniversityAbstract Background Pneumothorax (PTX) is one of the most common complications of transbronchial biopsy (TBB). Previous research suggests that upper pulmonary lobe TBB may be associated with increased risk of PTX development. The aim of this study was to compare the risk of PTX after TBB performed from different pulmonary lobes. Methods All bronchoscopic records from the period January 1st, 2015 - December 31st, 2017 (from the Department of Respiratory Diseases, University Hospital Brno, Czech Republic) were retrospectively analyzed. Of the 3542 bronchoscopic records, 796 patients underwent TBB and were further analyzed. Basic demographic data, TBB procedure-related factors, smoking history and radiological features were analyzed. Furthermore, in patients who developed PTX, PTX onset, PTX symptoms, distribution of the abnormal radiological findings and duration of hospitalization were also analyzed. Results Patients who developed PTX had significantly lower body mass index (BMI) and more than 4 samples taken during procedure (all p < 0.05). TBB performed from the left upper pulmonary lobe was associated with a significant risk of PTX development (OR 2.27; 95% CI 1.18–4.35; p = 0.02). On the contrary, TBB performed from the right lower lobe was associated with a significant reduction of risk of developing PTX (OR 0.47; 95% CI 0.22–0.98; p = 0.04). Logistic regression analysis showed BMI (OR 1.08; 95% CI 1.02–1.16; p = 0.01), left upper lobe as sampling site (OR 2.15; 95% CI 1.13–4.11; p = 0.02) and more than 4 samples taken (OR 1.91; 95% CI 1.04–3.49; p = 0.04) to be significantly associated with PTX development. Conclusions We conclude that TBB from the left upper pulmonary lobe is associated with significantly increased risk of post-procedural PTX. The right lower pulmonary lobe seems to be the safest sampling site to perform TBB. In patients with diffuse-type pulmonary disease, TBB should be performed preferably from the right lower lobe in order to decrease the risk of post-procedural PTX.http://link.springer.com/article/10.1186/s12890-019-0820-zPneumothoraxBronchoscopyTransbronchial biopsyUpper pulmonary lobePleural pressure
spellingShingle Vladimir Herout
Michaela Heroutova
Zdenek Merta
Ivan Cundrle Jr
Kristian Brat
Transbronchial biopsy from the upper pulmonary lobes is associated with increased risk of pneumothorax – a retrospective study
BMC Pulmonary Medicine
Pneumothorax
Bronchoscopy
Transbronchial biopsy
Upper pulmonary lobe
Pleural pressure
title Transbronchial biopsy from the upper pulmonary lobes is associated with increased risk of pneumothorax – a retrospective study
title_full Transbronchial biopsy from the upper pulmonary lobes is associated with increased risk of pneumothorax – a retrospective study
title_fullStr Transbronchial biopsy from the upper pulmonary lobes is associated with increased risk of pneumothorax – a retrospective study
title_full_unstemmed Transbronchial biopsy from the upper pulmonary lobes is associated with increased risk of pneumothorax – a retrospective study
title_short Transbronchial biopsy from the upper pulmonary lobes is associated with increased risk of pneumothorax – a retrospective study
title_sort transbronchial biopsy from the upper pulmonary lobes is associated with increased risk of pneumothorax a retrospective study
topic Pneumothorax
Bronchoscopy
Transbronchial biopsy
Upper pulmonary lobe
Pleural pressure
url http://link.springer.com/article/10.1186/s12890-019-0820-z
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