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Park Y, Kim HJ, Kim YW, Kwon BS, Lee YJ, Cho YJ, Lee JH, Kim J, Kim J, Lee KH, Park JS. Occupational and environmental risk factors for idiopathic pulmonary fibrosis: A case-control study. Respir Med 2024; 231:107738. [PMID: 38992818 DOI: 10.1016/j.rmed.2024.107738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 07/06/2024] [Accepted: 07/08/2024] [Indexed: 07/13/2024]
Abstract
BACKGROUND Idiopathic pulmonary fibrosis (IPF) is a progressive interstitial lung disease of unknown etiology. The aim of this study was to evaluate the environmental and occupational risk factors of IPF. METHODS This hospital-based, case-control study included 206 patients with IPF selected from the Seoul National University Bundang Hospital Interstitial Lung Disease registry and 167 controls without lung disease. Data on occupation, lifestyle, transportation, and types of environmental and occupational dust exposure were obtained using a questionnaire. IPF diagnosis was confirmed based on the recent guidelines, and the possibility of hypersensitivity pneumonitis was excluded. Multiple logistic regression was performed to determine the risk factors for IPF. RESULTS After adjusting for age and sex, ever-smokers (odds ratio [OR], 2.35; 95 % confidence interval [CI]: 1.51-3.68) and individuals who smoked more than 30 pack-years (OR, 2.79; 95%CI: 1.70-4.68) showed an increased risk for IPF. Any occupational dust exposure (adjusted OR, 2.08; 95%CI: 1.19-3.72), especially exposure to chemicals (adjusted OR, 3.52; 99%CI: 1.56-9.05), was associated with IPF after adjusting for age, sex, and smoking. CONCLUSIONS Smoking and occupational dust exposure are associated with an increased risk for IPF. Both factors have dose and duration-dependent relationships with the risk for IPF.
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Affiliation(s)
- Yeonkyung Park
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Veterans Health Service Medical Center, Seoul, South Korea; Department of Internal Medicine, Hanyang University College of Medicine, Seoul, South Korea
| | - Hyung-Jun Kim
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Yeon Wook Kim
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Byoung Soo Kwon
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Yeon Joo Lee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Young-Jae Cho
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Jae Ho Lee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Junghoon Kim
- Department of Radiology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Jihang Kim
- Department of Radiology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Kyung Hee Lee
- Department of Radiology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Jong Sun Park
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea.
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Soin S, Ibrahim R, Kusupati V, Sainbayar E, Pham HN, Natt B, Ferreira JP, Ussavarungsi K, Low SW. Interstitial Lung Disease Mortality Disparities Along the US-Mexico Border, 1999-2020. Chest 2024:S0012-3692(24)04618-X. [PMID: 39032859 DOI: 10.1016/j.chest.2024.07.001] [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: 03/05/2024] [Revised: 06/28/2024] [Accepted: 07/07/2024] [Indexed: 07/23/2024] Open
Abstract
BACKGROUND Optimal diagnosis and management of interstitial lung diseases (ILDs) needs access to specialized centers, frequent monitoring, and complex therapeutic options. In underprivileged areas, these necessities can often lead to barriers in delivering care. RESEARCH QUESTION What are the ILD mortality disparities in the regions along the US-Mexico (US-MX) border? STUDY DESIGN AND METHODS We obtained ILD mortality information through death certificate queries from the Centers for Disease Control and Prevention repository. Death data were adjusted for age and stratified by US-MX border regions and nonborder regions in the United States. Log-linear regression models were used to analyze mortality trends in the period from 1999 to 2020 followed by calculation of annual percentage changes (APCs). Age-adjusted mortality rates (AAMRs) were compared across cumulative and subdemographic populations. RESULTS ILD-related mortality among border regions (AAMR, 5.31) was higher than nonborder regions (AAMR, 4.86). Mortality within border regions remained unchanged from 1999 to 2020 (APC, 0.3; P = .269). Nonborder regions experienced a significant rise in mortality rates (APC, 2.6; P = .017) from 1999 to 2005 and remained unchanged from 2005 to 2020. Mortality was higher within both men (AAMR, 6.57) and women (AAMR, 4.36) populations among border regions compared with their nonborder counterparts (AAMR, 6.27 and 3.87, respectively). Hispanic populations among the border regions experienced higher mortality rates (AAMR, 6.15) than Hispanic populations within nonborder regions (AAMR, 5.44). Non-Hispanic populations encountered similar mortality rates between the two regions. Mortality rates among Hispanic (APC, 0.0; P = .938) and non-Hispanic (APC, 0.2; P = .531) populations in the border regions remained unchanged from 1999 to 2020. INTERPRETATION These results revealed ILD-related mortality disparities among the US-MX border regions, emphasizing the importance of public health measures to increase access to equitable medical care and implement targeted interventions among these vulnerable populations.
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Affiliation(s)
- Sabrina Soin
- Department of Medicine, University of Arizona Tucson, Tucson, AZ
| | - Ramzi Ibrahim
- Department of Medicine, University of Arizona Tucson, Tucson, AZ.
| | - Vinita Kusupati
- Department of Medicine, University of Arizona Tucson, Tucson, AZ
| | | | - Hoang Nhat Pham
- Department of Medicine, University of Arizona Tucson, Tucson, AZ
| | - Bhupinder Natt
- Department of Medicine, University of Arizona Tucson, Tucson, AZ; Division of Pulmonary, Allergy, Critical Care and Sleep, Department of Medicine, University of Arizona Tucson, Tucson, AZ
| | | | - Kamonpun Ussavarungsi
- Division of Pulmonary Medicine, Respiratory Institute, Cleveland Clinic, Cleveland, OH
| | - See-Wei Low
- Division of Pulmonary Medicine, Respiratory Institute, Cleveland Clinic, Cleveland, OH
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Min HK, Kim SH, Lee SH, Kim HR. Risk factors for interstitial lung disease in rheumatoid arthritis: a cohort study from the KOBIO registry. Ther Adv Musculoskelet Dis 2023; 16:1759720X231218098. [PMID: 39156663 PMCID: PMC11327977 DOI: 10.1177/1759720x231218098] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 11/11/2023] [Indexed: 08/20/2024] Open
Abstract
Background Interstitial lung disease (ILD) is a critical extra-articular manifestation of rheumatoid arthritis (RA). However, little is known about the risk factors of RA-ILD. Objectives Here, we examined the effect of demographic, clinical, therapeutic, and environmental factors on the incidence of ILD in RA patients using the Korean College of Rheumatology Biologics and Targeted Therapy (KOBIO) registry. Design We used data from the KOBIO registry, a multi-center, prospective, observational cohort that included RA patients in South Korea. Methods RA patients who used biologic or targeted synthetic disease-modifying antirheumatic drugs (b/tsDMARDs) or conventional synthetic (cs)DMARDs, and were enrolled in the KOBIO registry, were examined. Demographic, clinical, and radiographic characteristics, as well as medications, were recorded at baseline and annually thereafter. Kaplan-Meier curves and the log-rank test were used to compare the incidence of ILD between RA patients taking different b/tsDMARDs. Hazard ratios (HRs) were calculated by Cox regression analyses. Results In total, 2492 patients (1967 in the b/tsDMARDs group and 525 in the csDMARDs group) were analyzed. The b/tsDMARDs group showed longer disease duration, higher erythrocyte sedimentation rate/C-reactive protein, and higher disease activity score-28 (DAS28) than the csDMARDs group. The incidence of ILD was significantly higher in those taking tumor necrosis factor inhibitors and abatacept than in those taking csDMARDs (log ranked p < 0.001). Multivariate Cox regression analysis identified older age (HR = 1.057, p = 0.001), male sex (HR = 2.824, p = 0.007), time-averaged DAS28 (HR = 2.241, p < 0.001), and rheumatoid factor titer (HR = 1.009, p = 0.007) as having a significantly increased HR for ILD occurrence. Conclusion ILD is a rare but critical extra-articular symptom of RA patients. Therefore, RA patients with the above risk factors should be monitored carefully for ILD development.
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Affiliation(s)
- Hong Ki Min
- Division of Rheumatology, Department of Internal Medicine, Konkuk University Medical Center, Gwangjin-gu, Seoul, Republic of Korea
| | - Se Hee Kim
- Division of Rheumatology, Department of Internal Medicine, Konkuk University Medical Center, Gwangjin-gu, Seoul, Republic of Korea
- Department of Rheumatology, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Sang-Heon Lee
- Division of Rheumatology, Department of Internal Medicine, Research Institute of Medical Science, Konkuk University Medical Center, Konkuk University School of Medicine, Gwangjin-gu, Seoul, Republic of Korea
| | - Hae-Rim Kim
- Division of Rheumatology, Department of Internal Medicine, Research Institute of Medical Science, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, Republic of Korea
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Abstract
Interstitial lung disease (ILD), a clinically recognized group of diseases resulting in pulmonary fibrosis, affects up to 200 individuals per 100,000 in the United States. Sarcoidosis has a wide range of clinical manifestations including pulmonary fibrosis. Health disparities are prevalent in both ILD and sarcoidosis around socioeconomic status, race, gender, and geographic location. This review outlines the known health disparities, discusses possible determinants of disparities, and outlines a path to achieve equity in ILD and sarcoidosis.
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Affiliation(s)
- Michelle Sharp
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins School of Medicine, 5501 Hopkins Bayview Circle, Baltimore, MD 21224, USA.
| | - Ali M Mustafa
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins School of Medicine, 5501 Hopkins Bayview Circle, Baltimore, MD 21224, USA
| | - Naima Farah
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Virginia, University of Virginia Pulmonary & Critical Care, 1215 Lee Street, 2nd Floor, Charlottesville, VA 22903, USA
| | - Catherine A Bonham
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Virginia, University of Virginia Pulmonary & Critical Care, 1215 Lee Street, 2nd Floor, Charlottesville, VA 22903, USA
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Salahuddin M, Khan DA, Ayub S, Shahzad T, Irfan M. Biomass Smoke–Associated Lung Diseases. CURRENT PULMONOLOGY REPORTS 2023; 12:151-161. [DOI: 10.1007/s13665-023-00318-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/30/2023] [Indexed: 09/01/2023]
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Nayir Buyuksahin H, Kiper N. Childhood Interstitial Lung Disease. PEDIATRIC ALLERGY, IMMUNOLOGY, AND PULMONOLOGY 2023; 36:5-15. [PMID: 36695653 DOI: 10.1089/ped.2022.0013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Childhood interstitial lung disease (chILD) is a heterogeneous group of diseases with various clinical and imaging findings. The incidence and prevalence have increased in recent years, probably due to better comprehension of these rare diseases and increased awareness among physicians. chILDs present with nonspecific pulmonary symptoms, such as tachypnea, hypoxemia, cough, rales, and failure to thrive. Unnecessary invasive procedures can be avoided if specific mutations are detected through genetic examinations or if typical imaging patterns are recognized on computed tomography. Disease knowledge and targeted therapies are improving through international collaboration. Pulmonary involvement in systemic diseases is not uncommon. Pulmonary involvement may be the first finding in connective tissue diseases. This review aims to present a systematic patient-targeted approach to the diagnosis of chILD.
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Affiliation(s)
- Halime Nayir Buyuksahin
- Department of Pediatric Pulmonology, School of Medicine, Hacettepe University, Ihsan Dogramaci Children's Hospital, Ankara, Turkey
| | - Nural Kiper
- Department of Pediatric Pulmonology, School of Medicine, Hacettepe University, Ihsan Dogramaci Children's Hospital, Ankara, Turkey
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Boraldi F, Lofaro FD, Cossarizza A, Quaglino D. The "Elastic Perspective" of SARS-CoV-2 Infection and the Role of Intrinsic and Extrinsic Factors. Int J Mol Sci 2022; 23:ijms23031559. [PMID: 35163482 PMCID: PMC8835950 DOI: 10.3390/ijms23031559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/20/2022] [Accepted: 01/28/2022] [Indexed: 02/07/2023] Open
Abstract
Elastin represents the structural component of the extracellular matrix providing elastic recoil to tissues such as skin, blood vessels and lungs. Elastogenic cells secrete soluble tropoelastin monomers into the extracellular space where these monomers associate with other matrix proteins (e.g., microfibrils and glycoproteins) and are crosslinked by lysyl oxidase to form insoluble fibres. Once elastic fibres are formed, they are very stable, highly resistant to degradation and have an almost negligible turnover. However, there are circumstances, mainly related to inflammatory conditions, where increased proteolytic degradation of elastic fibres may lead to consequences of major clinical relevance. In severely affected COVID-19 patients, for instance, the massive recruitment and activation of neutrophils is responsible for the profuse release of elastases and other proteolytic enzymes which cause the irreversible degradation of elastic fibres. Within the lungs, destruction of the elastic network may lead to the permanent impairment of pulmonary function, thus suggesting that elastases can be a promising target to preserve the elastic component in COVID-19 patients. Moreover, intrinsic and extrinsic factors additionally contributing to damaging the elastic component and to increasing the spread and severity of SARS-CoV-2 infection are reviewed.
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Affiliation(s)
- Federica Boraldi
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.B.); (F.D.L.)
| | - Francesco Demetrio Lofaro
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.B.); (F.D.L.)
| | - Andrea Cossarizza
- Department of Medical and Surgical Sciences for Children and Adults, University of Modena and Reggio Emilia, 41125 Modena, Italy;
| | - Daniela Quaglino
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.B.); (F.D.L.)
- Correspondence:
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Tomos I, Dimakopoulou K, Manali ED, Papiris SA, Karakatsani A. Long-term personal air pollution exposure and risk for acute exacerbation of idiopathic pulmonary fibrosis. Environ Health 2021; 20:99. [PMID: 34461906 PMCID: PMC8406600 DOI: 10.1186/s12940-021-00786-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 08/20/2021] [Indexed: 05/21/2023]
Abstract
BACKGROUND Urban air pollution is involved in the progress of idiopathic pulmonary fibrosis (IPF). Its potential role on the devastating event of Acute Exacerbation of IPF (AE-IPF) needs to be clarified. This study examined the association between long-term personal air pollution exposure and AE- IPF risk taking into consideration inflammatory mediators and telomere length (TL). METHODS All consecutive IPF-patients referred to our Hospital from October 2013-June 2019 were included. AE-IPF events were recorded and inflammatory mediators and TL measured. Long-term personal air pollution exposures were assigned to each patient retrospectively, for O3, NO2, PM2.5 [and PM10, based on geo-coded residential addresses. Logistic regression models assessed the association of air pollutants' levels with AE-IPF and inflammatory mediators adjusting for potential confounders. RESULTS 118 IPF patients (mean age 72 ± 8.3 years) were analyzed. We detected positive significant associations between AE-IPF and a 10 μg/m3 increase in previous-year mean level of NO2 (OR = 1.52, 95%CI:1.15-2.0, p = 0.003), PM2.5 (OR = 2.21, 95%CI:1.16-4.20, p = 0.016) and PM10 (OR = 2.18, 95%CI:1.15-4.15, p = 0.017) independent of age, gender, smoking, lung function and antifibrotic treatment. Introduction of TL in all models of a subgroup of 36 patients did not change the direction of the observed associations. Finally, O3 was positively associated with %change of IL-4 (p = 0.014) whilst PM2.5, PM10 and NO2 were inversely associated with %changes of IL-4 (p = 0.003, p = 0.003, p = 0.032) and osteopontin (p = 0.013, p = 0.013, p = 0.085) respectively. CONCLUSIONS Long-term personal exposure to increased concentrations of air pollutants is an independent risk factor of AE-IPF. Inflammatory mediators implicated in lung repair mechanisms are involved.
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Affiliation(s)
- Ioannis Tomos
- 2nd Pulmonary Medicine Department, National and Kapodistrian University of Athens, Medical School, “ATTIKON” University Hospital, 1, Rimini street, 12462 Haidari, Greece
| | - Konstantina Dimakopoulou
- Department of Hygiene, Epidemiology and Medical Statistics, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Effrosyni D. Manali
- 2nd Pulmonary Medicine Department, National and Kapodistrian University of Athens, Medical School, “ATTIKON” University Hospital, 1, Rimini street, 12462 Haidari, Greece
| | - Spyros A. Papiris
- 2nd Pulmonary Medicine Department, National and Kapodistrian University of Athens, Medical School, “ATTIKON” University Hospital, 1, Rimini street, 12462 Haidari, Greece
| | - Anna Karakatsani
- 2nd Pulmonary Medicine Department, National and Kapodistrian University of Athens, Medical School, “ATTIKON” University Hospital, 1, Rimini street, 12462 Haidari, Greece
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