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Tan DJ, Lodge CJ, Walters EH, Lowe AJ, Bui DS, Bowatte G, Kandane‐Rathnayake R, Aldakheel FM, Erbas B, Hamilton GS, Thomas PS, Hew M, Tang MLK, Abramson MJ, Perret JL, Dharmage SC. Biomarkers of asthma relapse and lung function decline in adults with spontaneous asthma remission: A population-based cohort study. Allergy 2023; 78:957-967. [PMID: 36301194 PMCID: PMC10953440 DOI: 10.1111/all.15566] [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: 03/21/2022] [Revised: 10/06/2022] [Accepted: 10/10/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND The extent to which biomarkers of asthma activity persist in spontaneous asthma remission and whether such markers are associated with future respiratory outcomes remained unclear. We investigated the association between sub-clinical inflammation in adults with spontaneous asthma remission and future asthma relapse and lung function decline. METHODS The Tasmanian Longitudinal Health Study is a population-based cohort (n = 8583). Biomarkers of systemic inflammation were measured on participants at age 45, and latent profile analysis was used to identify cytokine profiles. Bronchial hyperresponsiveness (BHR) and nitric oxide products in exhaled breath condensate (EBC NOx) were measured at age 50. Participants with spontaneous asthma remission at ages 45 (n = 466) and 50 (n = 318) were re-evaluated at age 53, and associations between baseline inflammatory biomarkers and subsequent asthma relapse and lung function decline were assessed. RESULTS We identified three cytokine profiles in adults with spontaneous asthma remission: average (34%), Th2-high (42%) and Th2-low (24%). Compared to the average profile, a Th2-high profile was associated with accelerated decline in post-BD FEV1 /FVC (MD -0.18% predicted per-year; 95% CI -0.33, -0.02), while a Th2-low profile was associated with accelerated decline in both post-BD FEV1 (-0.41%; -0.75, -0.06) and post-BD FVC (-0.31%; -0.62, 0.01). BHR and high TNF-α during spontaneous remission were associated with an increased risk of asthma relapse. In contrast, we found no evidence of association between EBC NOx and either asthma relapse or lung function decline. CONCLUSION BHR and serum inflammatory cytokines have prognostic value in adults with spontaneous asthma remission. At-risk individuals with BHR, Th2-high or Th2-low cytokine profiles may benefit from closer monitoring and on-going follow-up.
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Affiliation(s)
- Daniel J. Tan
- Allergy and Lung Health Unit, Centre for Epidemiology and BiostatisticsSchool of Population and Global Health, University of MelbourneMelbourneVictoriaAustralia
| | - Caroline J. Lodge
- Allergy and Lung Health Unit, Centre for Epidemiology and BiostatisticsSchool of Population and Global Health, University of MelbourneMelbourneVictoriaAustralia
| | - Eugene Haydn Walters
- Allergy and Lung Health Unit, Centre for Epidemiology and BiostatisticsSchool of Population and Global Health, University of MelbourneMelbourneVictoriaAustralia
- School of Medicine, University of TasmaniaHobartTasmaniaAustralia
| | - Adrian J. Lowe
- Allergy and Lung Health Unit, Centre for Epidemiology and BiostatisticsSchool of Population and Global Health, University of MelbourneMelbourneVictoriaAustralia
| | - Dinh S. Bui
- Allergy and Lung Health Unit, Centre for Epidemiology and BiostatisticsSchool of Population and Global Health, University of MelbourneMelbourneVictoriaAustralia
| | - Gayan Bowatte
- Allergy and Lung Health Unit, Centre for Epidemiology and BiostatisticsSchool of Population and Global Health, University of MelbourneMelbourneVictoriaAustralia
- Department of Basic Sciences, Faculty of Allied Health SciencesUniversity of PeradeniyaPeradeniyaSri Lanka
| | | | - Fahad M. Aldakheel
- Department of Clinical Laboratory Sciences, College of Applied Medical SciencesKing Saud UniversityRiyadhSaudi Arabia
| | - Bircan Erbas
- School of Psychology and Public HealthLa Trobe UniversityMelbourneVictoriaAustralia
- Violet Vines Marshman Centre for Rural Health ResearchLa Trobe UniversityBendigoVictoriaAustralia
| | - Garun S. Hamilton
- School of Clinical SciencesMonash UniversityMelbourneVictoriaAustralia
- Monash Lung, Sleep, Allergy and ImmunologyMonash HealthMelbourneVictoriaAustralia
| | - Paul S. Thomas
- Prince of Wales' Clinical School, Faculty of MedicineUniversity of New South WalesSydneyNew South WalesAustralia
| | - Mark Hew
- School of Public Health & Preventive MedicineMonash UniversityMelbourneVictoriaAustralia
- The Alfred HospitalMelbourneVictoriaAustralia
| | - Mimi L. K. Tang
- Murdoch Children's Research InstituteMelbourneVictoriaAustralia
- Department of PaediatricsUniversity of MelbourneMelbourneVictoriaAustralia
| | - Michael J. Abramson
- School of Public Health & Preventive MedicineMonash UniversityMelbourneVictoriaAustralia
| | - Jennifer L. Perret
- Allergy and Lung Health Unit, Centre for Epidemiology and BiostatisticsSchool of Population and Global Health, University of MelbourneMelbourneVictoriaAustralia
- Institute for Breathing and SleepMelbourneVictoriaAustralia
| | - Shyamali C. Dharmage
- Allergy and Lung Health Unit, Centre for Epidemiology and BiostatisticsSchool of Population and Global Health, University of MelbourneMelbourneVictoriaAustralia
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Wardyn PM, Edme JL, de Broucker V, Cherot-Kornobis N, Ringeval D, Amouyel P, Sobaszek A, Dauchet L, Hulo S. The impact of occupational exposure to crystalline silica dust on respiratory function (airway obstruction and FEF 25-75) in the French general population. ENVIRONMENTAL RESEARCH 2023; 222:115382. [PMID: 36736759 DOI: 10.1016/j.envres.2023.115382] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/20/2023] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
INTRODUCTION Although several studies have studied the relationship between occupational exposure to crystalline silica dust and respiratory mortality, few have examined the relationship with impairments in respiratory function and the exposure threshold triggering spirometric monitoring in exposed workers. The objective of the present study was to evaluate the impact of exposure to crystalline silica dust on respiratory function. METHODS We included 1428 male participants (aged 40 to 65) recruited from the French general population, at random from electoral rolls, in the cross-sectional ELISABET study and for whom data on forced expiratory flow-volume curve indices z-scores (calculated using the Global Lung Function Initiative 2012 equations) and exposure (via a questionnaire) were available. A cumulative exposure index (CEI) for crystalline silica dust (CEIsilica, expressed in mg.m-3.year) was calculated using the Matgéné occupational exposure matrix. RESULTS 293 of the 1428 participants (20.52%) reported exposure to silica dust. We found that the adjusted z-scores for the forced expiratory volume in the first second/forced vital capacity (FEV1/FVC) ratio decreased significantly as CEIsilica increased. After adjustment, the adjusted z-scores for FEV1/FVC (β: -0.426 (95% confidence interval (CI): -0.792, -0.060) per 1 mg m-3.year increment) and the mean forced expiratory flow between 25 and 75% of the forced vital capacity (FEF25-75) (β: -0.552 (95% CI: -0.947, -0.157)) were significantly lower in the participants with CEIsilica ≥1 mg m-3.year than in non-exposed participants. The likelihoods of having airway obstruction (odds ratio (OR): 3.056 (95% CI: 1.107, 7.626)) or having an impaired FEF25-75 (OR: 4.305 (95% CI: 1.393, 11.79)) were also significantly higher in participants with CEIsilica ≥1 mg m-3.year. CONCLUSION Our results emphasize the importance of spirometry-based monitoring in workers exposed to more than 1 mg m-3.year of crystalline silica dust, in order to identify small airway obstruction or airway obstruction as early as possible.
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Affiliation(s)
- Pierre-Marie Wardyn
- Univ. Lille, CHU Lille, Institut Pasteur Lille, ULR 4483 - IMPECS - IMPact de l'Environnement Chimique sur la Santé humaine, F-59000, Lille, France.
| | - Jean-Louis Edme
- Univ. Lille, ULR 4483 - IMPECS - IMPact de l'Environnement Chimique sur la, Santé humaine, F-59000, Lille, France
| | - Virginie de Broucker
- Univ. Lille, CHU Lille, Institut Pasteur Lille, ULR 4483 - IMPECS - IMPact de l'Environnement Chimique sur la Santé humaine, F-59000, Lille, France
| | - Nathalie Cherot-Kornobis
- Univ. Lille, CHU Lille, Institut Pasteur Lille, ULR 4483 - IMPECS - IMPact de l'Environnement Chimique sur la Santé humaine, F-59000, Lille, France
| | - David Ringeval
- Univ. Lille, CHU Lille, Institut Pasteur Lille, ULR 4483 - IMPECS - IMPact de l'Environnement Chimique sur la Santé humaine, F-59000, Lille, France
| | - Philippe Amouyel
- Univ. Lille, INSERM, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE-Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, Lille, F-59000, France
| | - Annie Sobaszek
- Univ. Lille, CHU Lille, Institut Pasteur Lille, ULR 4483 - IMPECS - IMPact de l'Environnement Chimique sur la Santé humaine, F-59000, Lille, France
| | - Luc Dauchet
- Univ. Lille, INSERM, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE-Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, Lille, F-59000, France
| | - Sébastien Hulo
- Univ. Lille, CHU Lille, Institut Pasteur Lille, ULR 4483 - IMPECS - IMPact de l'Environnement Chimique sur la Santé humaine, F-59000, Lille, France
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Song J, Yao L, Zhao L, Du B, Liu L, Chen J. Changes in the concentrations of mediators in exhaled breath condensate during cardiac valve replacement under cardiopulmonary bypass and their relations with postoperative acute respiratory distress syndrome. Medicine (Baltimore) 2020; 99:e20007. [PMID: 32481266 PMCID: PMC7249883 DOI: 10.1097/md.0000000000020007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
To investigate the changes in the concentrations of interleukin-6 (IL-6), interleukin-8 (IL-8), tumor necrosis factor-α (TNF-α), and 8-iso-prostaglandin F2α (8-isoPGF2α) in exhaled breath condensate (EBC) in patients undergoing cardiac valve replacement under cardiopulmonary bypass (CPB) and its relationship with postoperative acute respiratory distress syndrome (ARDS).A prospective, case-control study was performed on 55 patients undergoing elective cardiac valve replacement under cardiopulmonary bypass, between November 2017 and May 2019. According to the diagnosis of postoperative ARDS, the patients were divided into ARDS group and control group. We compared the clinical characteristics, outcomes, respiratory mechanics, oxygenation parameters, and mediators in the 2 groups immediately after tracheal intubation (T1), at the end of CPB (T2), and 2 hours (T3) and 6 hours (T4) after CPB, and calculated the receiver operating characteristic curve (ROC), sensitivity, and specificity of the corresponding mediators.ARDS occurred in 29 patients after CPB. The ARDS group exhibited prolonged postoperative ventilator support, time to extubation, length of stay in the ICU, and postoperative length of stay. The peak airway pressure (Ppeak) and plat airway pressure (Pplat) at T4 were higher in the ARDS group compared with the control group. The alveolar-arterial oxygen partial pressure [P(A-a)O2] and respiratory index (RI) were higher and PaO2/FiO2 was lower in the ARDS group at T2-4 compared with the control group. The levels of EBC and serum mediators in the ARDS group were significantly higher at T2-4 compared with those in the control group. All the mediators in EBC were correlated significantly with those in the serum in the ARDS group (r = 0.7314, 0.898, 0.8386, 0.792) and control group (r = 0.6093, 0.8524, r = 0.7828, r = 0.6575) (P < .001). Meanwhile, the area under the curve (AUC) of IL-8 in EBC was significantly lower at T2 and the AUC of IL-6 in EBC was significantly higher at T4 than in serum (P < .05). In addition, all of the mediators in EBC had a certain accuracy in diagnose of postoperative ARDS.EBC analysis could be used to predict the high incidence of ARDS after cardiac valve replacement under CPB.
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Affiliation(s)
| | - Lei Yao
- Department of Anesthesiology
| | | | | | - Lin Liu
- Department of Anesthesiology
| | - Jinliang Chen
- Department of Respiratory Medicine, The Second Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
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Aldakheel FM, Bourke JE, Thomas PS, Matheson MC, Abramson MJ, Hamilton GS, Lodge CJ, Thompson BR, Walters EH, Allen KJ, Erbas B, Perret JL, Dharmage SC, Lowe AJ. NO x in exhaled breath condensate is related to allergic sensitization in young and middle-aged adults. Clin Exp Allergy 2018; 49:171-179. [PMID: 30107057 DOI: 10.1111/cea.13251] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 07/27/2018] [Accepted: 07/29/2018] [Indexed: 11/28/2022]
Abstract
BACKGROUND Asthma and allergic diseases are heterogeneous. Measurement of biomarkers in exhaled breath condensate (EBC) may help to discriminate between different phenotypes and may assist with clinical prognostication. OBJECTIVES We aimed to assess associations between total nitric oxide products (NOx ) in EBC and different allergic phenotypes and lung function in young and middle-aged adults. METHODS Cross-sectional analyses were nested within two Australian longitudinal studies, the Melbourne Atopy Cohort Study (MACS, mean age 17.8 years) and the Tasmanian Longitudinal Health Study (TAHS, mean age 49.4 years). Levels of EBC NOx were determined by Griess-reaction fluorescent method. Associations were assessed between EBC NOx and different allergic phenotypes, lung function and airway reactivity. RESULTS Atopy, with or without asthma or rhinitis, was associated with increased EBC NOx levels particularly in individuals with poly-aero-sensitization. These findings were generally consistent across the two age groups. In the older cohort, use of ICS in the previous 12 months masked the association between sensitization and EBC NOx (OR = 0.64, 95% CI = 0.21-1.96, p for interaction = 0.05). CONCLUSIONS AND CLINICAL RELEVANCE In these population-based samples, EBC NOx was most strongly associated with atopic sensitization, rather than either current asthma or rhinitis, possibly indicating underlying increased airway inflammation associated with atopy. Therefore, EBC NOx could be a key predictor of atopy in both young and middle-aged adults, regardless of the presence of concomitant asthma or rhinitis.
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Affiliation(s)
- Fahad M Aldakheel
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Jane E Bourke
- Department of Pharmacology, Biomedicine Discovery Institute, Monash University, Melbourne, Vic., Australia
| | - Paul S Thomas
- Department of Respiratory Medicine & Prince of Wales Hospital Clinical School, University of New South Wales, Kensington, NSW, Australia
| | - Melanie C Matheson
- Allergy and Lung Health Unit, Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Vic., Australia.,Murdoch Children's Research Institute, Melbourne, Vic., Australia
| | - Michael J Abramson
- School of Public Health & Preventive Medicine, Monash University, Melbourne, Vic., Australia
| | - Garun S Hamilton
- School of Clinical Sciences, Monash University, Melbourne, Vic., Australia.,Monash Lung and Sleep, Monash Health, Melbourne, Vic., Australia
| | - Caroline J Lodge
- Allergy and Lung Health Unit, Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Vic., Australia.,Murdoch Children's Research Institute, Melbourne, Vic., Australia
| | - Bruce R Thompson
- Allergy, Immunology and Respiratory Medicine, the Alfred Hospital, Melbourne, Vic., Australia.,Central Clinical School, Monash University, Melbourne, Vic., Australia
| | - E Haydn Walters
- School of Medicine, University of Tasmania, Hobart, TAS, Australia
| | - Katrina J Allen
- Murdoch Children's Research Institute, Melbourne, Vic., Australia
| | - Bircan Erbas
- School of Public Health, La Trobe University, Melbourne, Vic., Australia
| | - Jennifer L Perret
- Allergy and Lung Health Unit, Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Vic., Australia.,Centre for Air quality and health Research and evaluation (CAR), Melbourne, Vic., Australia
| | - Shyamali C Dharmage
- Allergy and Lung Health Unit, Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Vic., Australia.,Murdoch Children's Research Institute, Melbourne, Vic., Australia
| | - Adrian J Lowe
- Allergy and Lung Health Unit, Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Vic., Australia.,Murdoch Children's Research Institute, Melbourne, Vic., Australia
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