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Background: International guidelines recommend airway clearance management as one of the important pillars of bronchiectasis treatment. However, the extent to which airway clearance is used for people with bronchiectasis in Europe is unclear. The aim of the study was to identify the use of airway clearance management in patients with bronchiectasis across different countries and factors influencing airway clearance use., Methods: This was a prospective observational study using data from the European Multicentre Bronchiectasis Audit and Research Collaboration (EMBARC) Registry between January 2015 and April 2022. Prespecified options for airway clearance management were recorded, including airway clearance techniques, devices and use of mucoactive drugs., Results: 16 723 people with bronchiectasis from 28 countries were included in the study. The mean age was 67 years (interquartile range 57-74 years, range 18-100 years) and 61% were female. 72% of the participants reported daily sputum expectoration and 52% (95% CI 51-53%) of all participants reported using regular airway clearance management. Active cycle of breathing technique was used by 28% of the participants and airway clearance devices by 16% of participants. The frequency of airway clearance management and techniques used varied significantly between different countries. Participants who used airway clearance management had greater disease severity and worse symptoms, including a higher daily sputum volume, compared to those who did not use it regularly. Mucoactive drugs were also more likely to be used in participants with more severe disease. Access to specialist respiratory physiotherapy was low throughout Europe, but particularly low in Eastern Europe., Conclusions: Only a half of people with bronchiectasis in Europe use airway clearance management. Use of and access to devices, mucoactive drugs and specialist chest physiotherapy appears to be limited in many European countries., Competing Interests: Conflict of interest: B. Hererro-Cortina reports payment or honoraria for lectures, presentations, manuscript writing or educational events from SEPAR (Spanish Respiratory Society), and has a leadership or fiduciary role in SEPAR. S. Aliberti reports grants from Insmed Incorporated, Chiesi, Fisher and Paykel, and GSK; royalties or licences from McGraw Hill; consulting fees from Insmed Incorporated, Insmed Italy, Insmed Ireland Ltd, Zambon Spa, AstraZeneca UK Ltd, AstraZeneca Pharmaceutical LP, CSL Behring GmbH, Grifols, Fondazione Internazionale Menarini, Moderna, Chiesi, MCD Italis Srl, Brahms, Physioassist SAS and GSK SpA; payment or honoraria for lectures, presentations, manuscript writing or educational events from GSK SpA, Thermofisher Scientific, Insmed Italy, Insmed Ireland, Zambon and Fondazione Internazionale Menarini; and participation on a data safety monitoring board or advisory board for Insmed Incorporated, Insmed Italy, AstraZeneca UK Ltd and MSD Italia Srl. P.C. Goeminne reports payment or honoraria for lectures, presentations, manuscript writing or educational events from Insmed, GSK and Chiesi; support for attending meetings and/or travel from Chiesi; and participation on a data safety monitoring board or advisory board for Boehringer, GSK and Pfizer. E. Polverino reports grants from Grifols; consulting fees from Insmed, Bayer, Chiesi and Zambon; payment or honoraria for lectures, presentations, manuscript writing or educational events from Bayer, Chiesi, Grifols, GSK, Insmed, Menarini and Zambon; and support for attending meetings and/or travel from Insmed, Pfizer and Moderna. K. Dimakou reports payment or honoraria for lectures, presentations, manuscript writing or educational events from Novartis, Boehringer Ingelheim, GSK, Norma Hellas, Chiesi, AstraZeneca and Zambon; support for attending meetings and/or travel from Novartis, Boehringer Ingelheim, GSK, Norma Hellas, Chiesi, AstraZeneca and Menarini, and participation on a data safety monitoring board or advisory board for Novartis, GSK and Chiesi. C.S. Haworth reports payment or honoraria for lectures, presentations, manuscript writing or educational events from 30 Technology, CSL Behring, Chisi, Insmed, Janssen, LifeArc, Meiji, Mylan, Pneumagen, Shionogi, Vertex and Zambon. M.R. Loebinger reports consulting fees from Armata, 30T, AstraZeneca, Parion, Insmed, Chiesi, Zambon, Electromed, Recode, AN2 and Boehringer Ingelheim; payment or honoraria for lectures, presentations, manuscript writing or educational events from Insmed; and is ERS Infection Group Chair. A. De Soyza reports grants from AstraZeneca, Pfizer, GSK and Novartis; consulting fees from AstraZeneca, Insmed, GSK, Boehringer, 30T and Bayer; and payment or honoraria for lectures, presentations, manuscript writing or educational events from AstraZeneca, Pfizer, GSK and Novartis. M. Vendrell reports grants from Chiesi; payment or honoraria for lectures, presentations, manuscript writing or educational events from Insmed and Publi Creation; support for attending meetings and/or travel from Zambon, Chiesi, Novartis, Behring and Gebro; participation on a data safety monitoring board or advisory board for Insmed; and receipt of equipment, materials, drugs, medical writing, gifts or services from Insmed and Novartis. P.R. Burgel reports grants from GSK and Vertex; consulting fees from AstraZeneca, Chiesi, GSK, Insmed, MSD, Vertex, Viatris and Zambon; and support for attending meetings and/or travel from AstraZeneca and Chiesi. S. Sutharsan reports grants from Vertex, Galapagos, Insmed, Proteostasis and Corbus; consulting fees from Insmed, Vertex Pharmaceuticals and Boehringer Ingelheim; and payment or honoraria for lectures, presentations, manuscript writing or educational events from Vertex Pharmaceuticals, Boehringer Ingelheim and Insmed. S. Škrgat reports honoraria for educational events, invited lectures and presentations supported by Sanofi, AstraZeneca, Medis, Berlin-Chemie and Chiesi; and participation on a data safety monitoring board or advisory board for AstraZeneca. D. Stolz reports payment or honoraria for lectures, presentations, manuscript writing or educational events from CSL Behring, Berlin-Chemie, Menarini, Novartis, GSK, AstraZeneca, Vifor, Merck, Chiesi and Sanofi; and participation on a data safety monitoring board or advisory board for GSK and CSL Behring. P. Kauppi reports support for attending meetings and/or travel from Nordic Respiratory Academy; participation on a data safety monitoring board or advisory board for Swedish Orphan Biovitrium; a leadership or fiduciary role for the Finnish Respiratory Society and Finnish Tuberculosis Foundation Grant Committee; and receipt of equipment, materials, drugs, medical writing, gifts or services from Theravance. A. Bossios reports payment or honoraria for lectures, presentations, manuscript writing or educational events from Chiesi; and is Secretary of Assembly 5 (Airway diseases, asthma, COPD and chronic cough) of the ERS, Vice-chair of the Nordic Severe Asthma Network (NSAN)-NORDSTAR and a member of the Steering Committee of the ERS CRC for severe asthma (SHARP). I. Clifton reports payment or honoraria for lectures, presentations, manuscript writing or educational events from AstraZeneca and GSK; and participation on a data safety monitoring board or advisory board for AstraZeneca, GSK and Infex Therapeutics. M.L. Crichton reports consulting fees from Boxer Capital LLC. P. Walker is Chair of the British Thoracic Society. D. Obradovic is President of the Serbian Society of Intensive Care Medicine. A. Amorim reports payment or honoraria for lectures, presentations, manuscript writing or educational events from Zambon Group, and support for attending meetings and or/travel from Zambon Group, Boehringer Ingelheim and Novartis Farma. F. Blasi reports grants from AstraZeneca, Chiesi and Insmed; consulting fees from Menarini; and payment or honoraria for lectures, presentations, manuscript writing or educational events from AstraZeneca, Chiesi, GSK, Guidotti, Grifols, Insmed, Menarini, Novartis, OM Pharma, Pfizer, Sanofi, Viatris, Vertex and Zambon. M. Jankovic Makek reports consulting fees from Insmed, Biomerieux and MSD; payment or honoraria for lectures, presentations, manuscript writing or educational events from Insmed, MSD, Pfizer and Teva; and support for attending meetings and/or travel from MSD, Pfizer and Berlin-Chemie. M. Shteinberg reports consulting fees from GSK, Boehringer Ingelheim, Kamada and Zambon; payment or honoraria for lectures, presentations, manuscript writing or educational events from Insmed, Boehringer Ingelheim, GSK, AstraZeneca, Teva, Novartis, Kamada and Sanofi; support for attending meetings and/or travel from Novartis, Actelion, Boehringer Ingelheim, GSK and Rafa; participation on a data safety monitoring board or advisory board for Bonus Therapeutics, Israel; leadership or fiduciary roles for EMBARC Management, Israel Pulmonology Society Board and the Israel Society for TB and Mycobacterial Diseases; receipt of equipment, materials, drugs, medical writing, gifts or services from Trudell Medical Int.; and is and Associate Editor of the American Journal of Respiratory and Critical Care Medicine. J.D. Chalmers reports grants from AstraZeneca, Boehringer Ingelheim, Genentech, Gilead Sciences, GSK, Grifols, Insmed, LifeArc and Novartis; and consulting fees from AstraZeneca, Chiesi, GSK, Insmed, Grifols, Novartis, Boehringer Ingelheim, Pfizer, Janssen, Antabio and Zambon. F.C. Ringshausen reports grants from German Center for Lung Research (DZL), German Center for Infection Research (DZIF), IMI (EU/EFPIA) and iABC Consortium (including Alaxia, Basilea, Novartis and Polyphor), Mukoviszidose Institute, Novartis, Insmed Germany, Grifols, Bayer and InfectoPharm; consulting fees from Parion, Grifols, Zambon, Insmed and Helmholtz-Zentrum für Infektionsforschung; payment or honoraria for lectures, presentations, manuscript writing or educational events from I!DE Werbeagentur GmbH, Interkongress GmbH, AstraZeneca, Insmed, Grifols and Universitätsklinikum Frankfurt am Main; payment for expert testimony from Social Court Cologne; support for attending meetings and/or travel from German Kartagener Syndrome and Primary Ciliary Dyskinesia Patient Advocacy Group Mukoviszidose e.V.; participation on a data safety monitoring board or advisory board for Insmed, Grifols and Shionogi; leadership or fiduciary roles as Coordinator of the ERN-LUNG Bronchiectasis Core Network, Chair of the German Bronchiectasis Registry PROGNOSIS, Member of the Steering Committee of the European Bronchiectasis Registry EMBARC, Member of the Steering Committee of the European Nontuberculous Mycobacterial Pulmonary Disease Registry EMBARC-NTM, Co-Speaker of the Medical Advisory Board of the German Kartagener Syndrome and PCD Patient Advocacy Group, Speaker of the Respiratory Infections and TB group of the German Respiratory Society, Speaker of the Cystic Fibrosis group of German Respiratory Society (DGP), principal investigator of the German Center for Lung Research, Member of the Protocol Review Committee of the PCD-CTN and Member of Physician Association of the German Cystic Fibrosis Patient Advocacy Group; and other financial or non-financial interests in AstraZeneca, Boehringer Ingelheim, Celtaxsys, Corbus, Insmed, Novartis, Parion, University of Dundee, Vertex and Zambon. The remaining authors have no potential conflicts of interest to disclose., (Copyright ©The authors 2024.)

Pulmonary hypertension (PH) is defined by a mean pulmonary artery pressure greater than 20 mmHg and classified into five different groups sharing similar pathophysiologic mechanisms, haemodynamic characteristics, and therapeutic management. Radiologists play a key role in the multidisciplinary assessment and management of PH. A working group was formed from within the Fleischner Society based on expertise in the imaging and/or management of patients with PH, as well as experience with methodologies of systematic reviews. The working group identified key questions focusing on the utility of CT, MRI, and nuclear medicine in the evaluation of PH: a) Is noninvasive imaging capable of identifying PH? b) What is the role of imaging in establishing the cause of PH? c) How does imaging determine the severity and complications of PH? d) How should imaging be used to assess chronic thromboembolic PH before treatment? e) Should imaging be performed after treatment of PH? This systematic review and position paper highlights the key role of imaging in the recognition, work-up, treatment planning, and follow-up of PH., Competing Interests: Conflict of interest: M. Remy-Jardin received payment for lectures including service on speakers’ bureaus from Siemens Healthineers, Boehringer Ingelheim, Roche, and MSD, outside the submitted work. Conflict of interest: C.J. Ryerson disclosed no relevant relationships. Conflict of interest: M.L. Schiebler disclosed no relevant relationships. Conflict of interest: A.N.C. Leung disclosed no relevant relationships. Conflict of interest: J.M. Wild disclosed no relevant relationships. Conflict of interest: M.M. Hoeper is board member and consultant for Acceleron, Actelion, Bayer, Janssen, MSD, and Pfizer, received payment for lectures including service on speakers bureaus from Acceleron, Actelion, Bayer, Janssen, MSD, and Pfizer, outside the submitted work. Conflict of interest: P.O. Alderson disclosed no relevant relationships. Conflict of interest: L.R. Goodman disclosed no relevant relationships. Conflict of interest: J. Mayo received payment for lectures including service on speakers’ bureaus from Siemens Healthineers Canada, outside the submitted work. Conflict of interest: L.B. Haramati disclosed no relevant relationships. Conflict of interest: Y. Ohno received research grant from Canon Medical Systems, during the conduct of the study; has grants/grants pending with Bayer Pharma, outside the submitted work; received grants-in-aid for scientific research from the Japanese Ministry of Education, Culture, Sports, Science and Technology; received research grant from Smoking Research Foundation; received research grant from Daiichi Sankyo. Conflict of interest: P. Thistlethwaite disclosed no relevant relationships. Conflict of interest: E.J.R. van Beek is board member of Aidence, Imbio, and QCTIS, is a consultant for InHealth and Mentholatum, outside the submitted work; is owner and founder of QCTIS; author and spouse are directors. Conflict of interest: S.L. Knight disclosed no relevant relationships. Conflict of interest: D.A. Lynch is a consultant for Parexel Imaging, Boehringer Ingelheim, Veracyte, Daiichi Sankyo, and AstraZeneca, received payment for lectures including service on speakers bureaus from Boehringer Ingelheim, outside the submitted work. Conflict of interest: G.D. Rubin disclosed no relevant relationships. Conflict of interest: M. Humbert is a board member and consultant for Acceleron, Actelion, Bayer, GSK, and Merck; has grants/grants pending with Acceleron, Actelion, and Bayer; received payment for lectures including service on speakers bureaus from Actelion, Bayer, GSK, and Merck, outside the submitted work., (© 2021 European Respiratory Society and RSNA. This article is a simultaneous joint publication in the European Respiratory Journal and Radiology. The articles are identical except for stylistic changes in keeping with each journal's style. Either version may be used in citing this article.)

Little is known about early predictors of later cystic fibrosis (CF) structural lung disease. This study examined early predictors of progressive structural lung abnormalities in children who completed the Australasian CF Bronchoalveolar Lavage (ACFBAL) clinical trial at age 5-years and participated in an observational follow-up study (CF-FAB).Eight Australian and New Zealand CF centres participated in CF-FAB and provided follow-up chest computed-tomography (CT) scans for children who had completed the ACFBAL study with baseline scans at age 5-years. CT scans were annotated using PRAGMA-CF scoring. Ordinal regression analysis and linear regression were used to investigate associations between PRAGMA-CF (Perth-Rotterdam Annotated Grid Morphometric Analysis for CF) outcomes at follow-up and variables measured during the ACFBAL study.99 out of 157 ACFBAL children (mean±sd age 13±1.5 years) participated in the CF-FAB study. The probability of bronchiectasis at follow-up increased with airway disease severity on the baseline CT scan. In multiple regression (retaining factors at p<0.05) the extent of bronchiectasis at follow-up was associated with baseline atelectasis (OR 7.2, 95% CI 2.4-22; p≤ 0.001), bronchoalveolar lavage (BAL) log 2 interleukin (IL)-8 (OR 1.2, 95% CI 1.05-1.5; p=0.010) and body mass index z-score (OR 0.49, 95% CI 0.24-1.00; p=0.05) at age 5 years. Percentage trapped air at follow-up was associated with BAL log 2 IL-8 (coefficient 1.3, 95% CI 0.57-2.1; p<0.001) at age 5 years.The extent of airway disease, atelectasis, airway inflammation and poor nutritional status in early childhood are risk factors for progressive structural lung disease in adolescence., Competing Interests: Conflict of interest: N.E. Wijker reports grants from Australian National Health and Medical Research Council, during the conduct of the study. Conflict of interest: S. Vidmar reports grants from Australian National Health and Medical Research Council, during the conduct of the study. Conflict of interest: K. Grimwood reports grants from the Australian National Health and Medical Research Council, during the conduct of the study. Conflict of interest: P.D. Sly reports grants from Australian National Health and Medical Research Council, during the conduct of the study. Conflict of interest: C.A. Byrnes reports grants from Australian National Health and Medical Research Council and Faculty Research Development Fund, University of Auckland, New Zealand, during the conduct of the study. Conflict of interest: J.B. Carlin reports grants from Australian National Health and Medical Research Council, during the conduct of the study. Conflict of interest: P.J. Cooper reports grants from Australian National Health and Medical Research Council, during the conduct of the study. Conflict of interest: C.F. Robertson reports grants from Australian National Health and Medical Research Council, during the conduct of the study. Conflict of interest: R.J. Massie reports grants from Australian National Health and Medical Research Council, during the conduct of the study. Conflict of interest: M.P.C. Kemner van de Corput reports grants from Australian National Health and Medical Research Council, during the conduct of the study. Conflict of interest: J. Cheney reports grants from Australian National Health and Medical Research Council, during the conduct of the study. Conflict of interest: H.A.W.M. Tiddens reports grants from Australian National Health and Medical Research Council, during the conduct of the study; has provided lectures to Roche and Novartis; grants from CFF, Vertex, Chiesi and Vectura; fees for lectures and advisory board work from Gilead, outside the submitted work; in addition, has a patent PRAGMA-CF scoring system with royalties paid and is heading the Erasmus MC-Sophia Children's Hospital core laboratory lung analysis. FLUIDDA has developed computational fluid dynamic modelling based on chest CTs obtained from Erasmus MC-Sophia for which royalties are received by Sophia Research BV. Conflict of interest: C.E. Wainwright reports grants from Australian National Health and Medical Research Council, during the conduct of the study; and research grants from Vertex Pharmaceuticals Inc., Boehringer Ingelheim and Novo Nordisk Pharmaceuticals; fees for lectures and to attend meetings from Vertex Pharmaceuticals, DKBMed, Novartis Pharmaceuticals, University of Miami, Gilead Sciences Ltd and In Vivo Academy Limited; fees for consultancy, steering committee and advisory board work from Vertex Pharmaceuticals; fees for editorial board work from Thorax; fees for reviewing from BMJ and DKBMed; fees for transport and accommodation from Vertex Pharmaceuticals; and currently holds board positions on the International Advisory Board Vertex Pharmaceuticals P/L, and Associate Editor, Thorax and Respirology., (Copyright ©ERS 2020.)

We analysed the influence of rhinovirus (RV) in nasopharyngeal fluid (NPF) on type I and III interferon (IFN) responses (e.g. IFN-α and IFN -: λ) and their signal transduction, at baseline and during disease exacerbation, in cohorts of pre-school children with and without asthma.At the time of recruitment into the Europe-wide study PreDicta, and during symptoms, NPF was collected and the local RV colonisation was analysed. Peripheral blood mononuclear cells (PBMCs) were challenged in vitro with RV or not. RNA was analysed by quantitative real-time PCR and gene arrays. Serum was analysed with ELISA for IFNs and C-reactive protein.We found that PBMCs from asthmatic children infected in vitro with the RV1b serotype upregulated MYD88, IRF1, STAT1 and STAT2 mRNA, whereas MYD88, IRF1, STAT1 and IRF9 were predominantly induced in control children. Moreover, during symptomatic visits because of disease exacerbation associated with RV detection in NPF, IFN-α production was found increased, while IFN-λ secretion was already induced by RV in asthmatic children at baseline.During asthma exacerbations associated with RV, asthmatic children can induce IFN-α secretion, indicating a hyperactive immune response to repeated respiratory virus infection., (Copyright ©ERS 2017.)

Air pollution from road traffic is a serious health risk, especially for susceptible individuals. Single-centre studies showed an association with chronic lung allograft dysfunction (CLAD) and survival after lung transplantation, but there are no large studies.13 lung transplant centres in 10 European countries created a cohort of 5707 patients. For each patient, we quantified residential particulate matter with aerodynamic diameter ≤10 µm (PM 10 ) by land use regression models, and the traffic exposure by quantifying total road length within buffer zones around the home addresses of patients and distance to a major road or freeway.After correction for macrolide use, we found associations between air pollution variables and CLAD/mortality. Given the important interaction with macrolides, we stratified according to macrolide use. No associations were observed in 2151 patients taking macrolides. However, in 3556 patients not taking macrolides, mortality was associated with PM 10 (hazard ratio 1.081, 95% CI 1.000-1.167); similarly, CLAD and mortality were associated with road lengths in buffers of 200-1000 and 100-500 m, respectively (hazard ratio 1.085- 1.130). Sensitivity analyses for various possible confounders confirmed the robustness of these associations.Long-term residential air pollution and traffic exposure were associated with CLAD and survival after lung transplantation, but only in patients not taking macrolides., (Copyright ©ERS 2017.)

The clinical course of bronchiectasis is unpredictable, posing a challenge both in clinical practice and in research. Two mortality prediction scores, the bronchiectasis severity index (BSI) and FACED scores, have recently been developed. The aim of this study was to assess the ability of these scores to predict long-term mortality and to compare the two scores.The study was a single-centre retrospective cohort analysis consisting of 91 subjects originally recruited in 1994. BSI and FACED scores were calculated at the time of enrolment and long-term mortality ascertained. Data was available for 74 patients with a median of 18.8 years of follow-up.Both scoring systems had similar predictive power for 5-year mortality (area under receiver operator characteristic curve (AUC) 0.79 for BSI and 0.8 for FACED). Both scores were able to predict 15-year mortality with the FACED score showing slightly superior predictive power (AUC 0.82 versus 0.69, p=0.0495).This study provides further validation of the FACED and BSI scores for the prediction of mortality in bronchiectasis and demonstrates their utility over a longer period than originally described. Whilst both scores had excellent predictive power, the FACED score was superior for 15-year mortality., (Copyright ©ERS 2016.)