LungPub Date : 2024-11-28DOI: 10.1007/s00408-024-00755-6
Hanna M Nurmi, Anne M Lätti, Heikki O Koskela
{"title":"The Cough Response to Inhaled Mannitol in Healthy Subjects.","authors":"Hanna M Nurmi, Anne M Lätti, Heikki O Koskela","doi":"10.1007/s00408-024-00755-6","DOIUrl":"10.1007/s00408-024-00755-6","url":null,"abstract":"<p><strong>Purpose: </strong>Inhaled mannitol induces bronchoconstriction and cough. This study aimed to describe the cough response to mannitol among healthy adult subjects.</p><p><strong>Methods: </strong>125 healthy subjects (aged 18-82 years, 52% females, 50% skin prick test positive) underwent a mannitol test. The coughs were recorded both simultaneously and afterwards from video recordings by two researchers. Three indices were evaluated: The cumulative number of coughs per cumulative dose of mannitol (CDR), cumulative provocative dose of mannitol to cause at least 5 coughs, and the maximal number of coughs provoked by any single mannitol dose. The test was repeated in 26 subjects after 3-7 days.</p><p><strong>Results: </strong>CDR showed the best repeatability with an intraclass correlation coefficient of 0.829. Gender was the only characteristics that associated with the cough response: The median CDR was 2.53 (interquartile range 0.45-7.01) coughs/100 mg among females and 0.787 (0.0-3.29) coughs/100 mg among males (p = 0.002). The interquartile range upper limits were defined as the cut-off limits for a normal response. The threshold for a statistically significant change in CDR was 6.26 coughs/100 mg. There was a close correlation between simultaneous- and video-assessed CDR (intraclass correlation coefficient 0.985).</p><p><strong>Conclusion: </strong>Females cough more than males in response to mannitol. CDR is the most suitable index to describe the cough responsiveness. The repeatability of the response is good. Video recording of the coughs is not mandatory. The cut-off limits for a normal cough response to mannitol were provided.</p>","PeriodicalId":18163,"journal":{"name":"Lung","volume":"203 1","pages":"5"},"PeriodicalIF":4.6,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11604684/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142739835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Estimating the Impact of Asthma and COPD on Lung Cancer Screening in the USA.","authors":"Natalia Nielsen, Zack Ballinger, Blanca Muñoz Villarreal, Lara Kovell, Mayuko Ito Fukunaga, Maira Castañeda-Avila","doi":"10.1007/s00408-024-00771-6","DOIUrl":"10.1007/s00408-024-00771-6","url":null,"abstract":"<p><strong>Objectives: </strong>Examine the association of asthma, COPD, and Asthma-COPD overlap (ACO) on rates of lung cancer screening.</p><p><strong>Methods: </strong>2022 Behavior and Risk Factors Surveillance Survey was used for cross-sectional analysis of self-reported lung cancer screening prevalence in those with COPD, asthma, and ACO, with stratification by smoking status. Multivariate logistic regression was performed to assess the relationship between asthma, COPD, ACO and lung cancer screening status.</p><p><strong>Results: </strong>17.9% of eligible adults were up-to-date on lung cancer screening. Those with COPD and ACO had higher rates of ever undergoing lung cancer screening (50.8% and 47.5%) than those with asthma (26.4%) or neither condition (23%). Adults with COPD (adjusted odds ratios (aOR): 2.86, 95% CI 2.49-3.28) and ACO (aOR: 2.85, 95% CI 2.49-3.28) had increased odds of ever having lung cancer screening compared with those without either condition. Stratification by smoking status shows that individuals who formerly smoked had slightly higher odds of ever undergoing screening than individuals currently smoking.</p><p><strong>Conclusion: </strong>Lung cancer screening rates have increased; however, it remains low. Adults with COPD and ACO are more likely to undergo lung cancer screening.</p>","PeriodicalId":18163,"journal":{"name":"Lung","volume":"203 1","pages":"2"},"PeriodicalIF":4.6,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11917531/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142729893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
LungPub Date : 2024-11-27DOI: 10.1007/s00408-024-00764-5
Xiaohui Wu, Hong Xu, Zhaohua Zhang, Ziyi Ma, Linyi Zhang, Chunyang Wang, Kai Lan, Rong Li, Min Chen
{"title":"Disulfiram Alleviates MTX-Induced Pulmonary Fibrosis by Inhibiting EMT in Type 2 Alveolar Epithelial Cells.","authors":"Xiaohui Wu, Hong Xu, Zhaohua Zhang, Ziyi Ma, Linyi Zhang, Chunyang Wang, Kai Lan, Rong Li, Min Chen","doi":"10.1007/s00408-024-00764-5","DOIUrl":"https://doi.org/10.1007/s00408-024-00764-5","url":null,"abstract":"<p><strong>Purpose: </strong>Methotrexate (MTX)-induced pulmonary fibrosis is associated with high morbidity and mortality, with limited treatment options available. This study investigates whether disulfiram (DSF) can mitigate MTX-induced pulmonary fibrosis and explores the underlying mechanisms.</p><p><strong>Methods: </strong>Eight-week-old male mice were divided into control, DSF, MTX, and MTX+DSF groups and treated for 8 weeks. Weight, food, and water intake were monitored. Post-treatment, lung tissues were analyzed using HE and Masson staining, and electron microscopy. Real-time qPCR and ELISA were employed to assess inflammatory markers such as IL-1β and TNF-α in lung tissues and serum. PCR, ELISA, and Western blot were used for fibrotic markers including Col1α1, α-SMA, and hydroxyproline. Type 2 alveolar epithelial cell line MLE12 cells were similarly grouped, followed by RNA sequencing and bioinformatics analysis to elucidate the mechanisms by which DSF exerts anti-MTX-induced pulmonary fibrosis effects. ELISA and Western blot were used to measure E-cadherin and α-SMA expression.</p><p><strong>Results: </strong>DSF significantly reduced MTX-induced alveolar septal thickening, pulmonary fibrosis, and inflammatory cell infiltration. It also decreased the expression of inflammatory factors IL-1β and TNF-α, as well as the expression of Col1α1, α-SMA, and others. RNA-seq revealed that DSF induces changes in multiple signaling pathways associated with pulmonary fibrosis, particularly in extracellular matrix-related genes. ELISA and Western blot showed decreased E-cadherin and increased α-SMA in the MTX group, which was partially restored with DSF treatment.</p><p><strong>Conclusion: </strong>DSF alleviates MTX-induced pulmonary fibrosis by reducing epithelial-mesenchymal transition (EMT) in type 2 alveolar epithelial cells. Disulfiram shows potential as a therapeutic agent for MTX-induced pulmonary fibrosis.</p>","PeriodicalId":18163,"journal":{"name":"Lung","volume":"203 1","pages":"4"},"PeriodicalIF":4.6,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142729890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
LungPub Date : 2024-11-27DOI: 10.1007/s00408-024-00773-4
Tianhao Chen, Ming Ni, Hao Wang, Fei Xue, Tao Jiang, Xuanpeng Wu, Chenxi Li, Shuhao Liang, Leyu Hong, Qifei Wu
{"title":"The Reparative Effect of FOXM1 in Pulmonary Disease.","authors":"Tianhao Chen, Ming Ni, Hao Wang, Fei Xue, Tao Jiang, Xuanpeng Wu, Chenxi Li, Shuhao Liang, Leyu Hong, Qifei Wu","doi":"10.1007/s00408-024-00773-4","DOIUrl":"10.1007/s00408-024-00773-4","url":null,"abstract":"<p><p>FOXM1, a key member of the FOX transcription factor family, maintains cell homeostasis by accurately controlling diverse biological processes, such as proliferation, cell cycle progression, differentiation, DNA damage repair, tissue homeostasis, angiogenesis, apoptosis, redox signaling, and drug resistance. In recent years, an increasing number of studies have focused on the role of FOXM1 in the occurrence of multiple diseases and various pathophysiological processes. In the field of pulmonary diseases, FOXM1 has a certain reparative effect by promoting cell proliferation, regulating cell cycle, antifibrosis, participating in inflammation regulation, and synergizing with other signaling pathways. On the basis of the repair properties of FOXM1, this review explores its therapeutic potential in acute lung injury/acute respiratory distress syndrome, asthma, chronic obstructive pulmonary disease, idiopathic pulmonary fibrosis, pulmonary arterial hypertension, lung cancer, and other lung diseases, with the goal of providing a new perspective for the analysis of FOXM1-related mechanism of action and the expansion of clinical treatment strategies.</p>","PeriodicalId":18163,"journal":{"name":"Lung","volume":"203 1","pages":"1"},"PeriodicalIF":4.6,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142729896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
LungPub Date : 2024-11-27DOI: 10.1007/s00408-024-00757-4
Abraham Bohadana, Pascal Wild, Ariel Rokach, Assaf Berg, Gabriel Izbicki
{"title":"COPD Risk Phenotypes in Older Smokers: Evaluation in GLI- and GOLD-Defined Respiratory Impairment.","authors":"Abraham Bohadana, Pascal Wild, Ariel Rokach, Assaf Berg, Gabriel Izbicki","doi":"10.1007/s00408-024-00757-4","DOIUrl":"10.1007/s00408-024-00757-4","url":null,"abstract":"<p><strong>Purpose: </strong>In aging populations, the Global Initiative for Obstructive Lung Disease (GOLD) spirometry threshold may misclassify normal spirometry as airflow limitation. The Global Lung Initiative (GLI) method provides age-adjusted criteria. We investigated how the use of GOLD or GLI thresholds in an algorithm affects the classification of elderly smokers into COPD risk phenotypes.</p><p><strong>Methods: </strong>Using a modified COPDGene algorithm, including exposure, symptoms, and abnormal spirometry, 200 smokers aged 60 years and older were classified into 4 mutually exclusive phenotypes: Phenotype A (no symptoms, normal spirometry; reference), Phenotype B (symptoms, normal spirometry; possible COPD), Phenotype C (no symptoms, abnormal spirometry; possible COPD), and Phenotype D (symptoms, abnormal spirometry; probable COPD). Abnormal spirometry was defined according to the GOLD or GLI criteria. A comparison was made between the GOLD- and GLI-defined phenotypes.</p><p><strong>Results: </strong>Using GLI criteria/cut-offs, 18.5% (n = 37) had phenotype A (no COPD), 42% (n = 84) had phenotype B (possible COPD), 7.5% (n = 15) had phenotype C (possible COPD), and 32% (n = 64) had phenotype D (probable COPD). Using GOLD criteria cut-offs, 14.5% (n-29) had phenotype A (no COPD); 31% (n = 62) had phenotype B, 11.5% (n = 23) had phenotype C (probable COPD), and 43% (n = 86) had phenotype D (probable COPD). Eight smokers with GOLD phenotype C were reclassified as GLI phenotype A, while 22 with GOLD phenotype D were reclassified as GLI phenotype B. Smokers identified as ‟probable COPD\" by GOLD alone (potential false positives) had better spirometry results than those identified as ‟probable COPD\" by both GOLD and GLI.</p><p><strong>Conclusion: </strong>The use of the GOLD threshold in an algorithm resulted in older smokers being classified into more severe COPD risk phenotypes compared to the GLI threshold. This suggests that GOLD may misclassify smokers with less affected phenotypes as having respiratory impairment, potentially leading to unnecessary and harmful treatments.</p>","PeriodicalId":18163,"journal":{"name":"Lung","volume":"203 1","pages":"3"},"PeriodicalIF":4.6,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11602840/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142729887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Serum Free Fatty Acid Concentration Predicts ARDS after Off-Pump CABG: A Prospective Observational Study.","authors":"Peng Lu, Jidan Fan, Xiangyu Li, Zhaoyang Liu, Yuanpu Qi, Zihao Shen, Ziang Wen, Chenlong Yi, Meijuan Song, Xiaowei Wang","doi":"10.1007/s00408-024-00704-3","DOIUrl":"10.1007/s00408-024-00704-3","url":null,"abstract":"<p><strong>Background: </strong>Free fatty acids (FFAs) are established risk factors for various cardiovascular and metabolic disorders. Elevated FFAs can trigger inflammatory response, which may be associated with the occurrence of acute respiratory distress syndrome (ARDS) in cardiac surgery. In this prospective study, we aimed to investigate the association between circulating FFA and the incidence of ARDS, as well as the length of ICU stay, in patients undergoing off-pump coronary artery bypass grafting (CABG).</p><p><strong>Methods: </strong>We conducted a single-center, prospective, observational study among patients undergoing off-pump CABG. The primary endpoint was the occurrence of ARDS within 6 days after off-pump CABG. Serum FFA were measured at baseline and 24 h post-procedure, and the difference (Δ-FFA) was calculated.</p><p><strong>Results: </strong>A total of 180 patients were included in the primary analysis. The median FFA was 2.3 mmol/L (quartile 1 [Q1]-Q3, 1.4-3.2) at baseline and 1.5 mmol/L (Q1-Q3, 0.9-2.3) 24 h after CABG, with a Δ-FFA of 0.6 mmol/L (Q1-Q3, -0.1 to 1.6). Patients with elevated Δ-FFA levels had a significantly higher ARDS occurrence (55.6% vs. 22.2%; P < 0.001). Elevated Δ-FFA after off-pump CABG correlated with a significantly lower PaO<sub>2</sub>/FiO<sub>2</sub> ratio, prolonged mechanical ventilation, and extended length of ICU stay. The area under the curve (AUC) of Δ-FFA for predicting ARDS (AUC, 0.758; 95% confidence interval, 0.686-0.831) significantly exceeded the AUC of postoperative FFA (AUC, 0.708; 95% CI 0.628-0.788; P < 0.001).</p><p><strong>Conclusions: </strong>Elevated Δ-FFA levels correlated with ARDS following off-pump CABG. Monitoring FFA may assist in identifying high-risk patients for ARDS, facilitating timely interventions to improve clinical outcomes.</p>","PeriodicalId":18163,"journal":{"name":"Lung","volume":" ","pages":"523-532"},"PeriodicalIF":4.6,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140945219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Lung Volumes in a Mouse Model of Pulmonary Allergic Inflammation.","authors":"Andrés Rojas-Ruiz, Magali Boucher, Cyndi Henry, Rosalie Packwood, Jorge Soliz, Ynuk Bossé","doi":"10.1007/s00408-024-00730-1","DOIUrl":"10.1007/s00408-024-00730-1","url":null,"abstract":"<p><strong>Purpose: </strong>Air trapping, often attested in humans by elevated residual volume (RV) and ratio of RV on total lung capacity (RV/TLC), is frequently observed in asthma. Confirming these alterations in experimental asthma would be important for translational purposes. Herein, lung volumes were investigated in a mouse model of pulmonary allergic inflammation.</p><p><strong>Methods: </strong>Eight- to 10-week-old male C57BL/6 and BALB/c mice were exposed once daily to intranasal house dust mite (HDM) for 10 consecutive days. All readouts were measured 24 h after the last exposure. Lung volumes were assessed with the flexiVent using a new automated method consisting of degassing the lungs followed by a full-range pressure-volume maneuver. The weight and the volume of the lungs were also measured ex vivo and a lobe was further processed for histological analyses.</p><p><strong>Results: </strong>HDM exposure led to tissue infiltration with inflammatory cells, goblet cell hyperplasia, thickening of the airway epithelium, and elevated ex vivo lung weight and volume. It also decreased TLC and vital capacity but without affecting RV and RV/TLC. These observations were similar between the two mouse strains.</p><p><strong>Conclusion: </strong>Alterations of lung volumes in a murine model of pulmonary allergic inflammation are inconsistent with observations made in human asthma. These discrepancies reflect the different means whereby lung volumes are measured between species. The invasive method used herein enables RV to be measured more precisely and without the confounding effect of air trapping, suggesting that changes in RV and RV/TLC using this method in mice should be interpreted differently than in humans.</p>","PeriodicalId":18163,"journal":{"name":"Lung","volume":" ","pages":"637-647"},"PeriodicalIF":4.6,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11427586/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141633913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
LungPub Date : 2024-10-01Epub Date: 2024-06-27DOI: 10.1007/s00408-024-00724-z
Mikayla D'Cunha, J Asher Jenkins, Renita Wilson, Juan Maria Farina, Ashraf Omar, Blake Langlais, Cecilia Benz, Jonathan D'Cunha, Pedro Augusto Reck Dos Santos
{"title":"Lung Transplantation in the United States for COVID-19 Related Lung Disease During the Pandemic.","authors":"Mikayla D'Cunha, J Asher Jenkins, Renita Wilson, Juan Maria Farina, Ashraf Omar, Blake Langlais, Cecilia Benz, Jonathan D'Cunha, Pedro Augusto Reck Dos Santos","doi":"10.1007/s00408-024-00724-z","DOIUrl":"10.1007/s00408-024-00724-z","url":null,"abstract":"<p><strong>Purpose: </strong>Lung transplantation (LTx) is a potential intervention for end-stage COVID-19 lung disease. Current literature is sparse regarding the outcomes of LTx for COVID-19 related acute respiratory distress syndrome (ARDS) and pulmonary fibrosis (PF). This study aims to characterize outcomes and patterns of LTx for COVID-19 related lung disease throughout the pandemic.</p><p><strong>Methods: </strong>Patients who underwent LTx during the pandemic for COVID-19 related lung disease were retrospectively identified using the UNOS registry. Demographics, as well as outcomes measures and nationwide patterns of care were collected and analyzed.</p><p><strong>Results: </strong>A total of 510 adult cases of LTx for COVID-19 (259 ARDS, 251 PF) were compared to 4,031 without COVID-19 (3,994 PF, 37 ARDS). Patients who received LTx for COVID-19 ARDS did not differ in 2-year survival when compared to those with COVID-19 PF (81.9% vs 77.2%, p = 0.4428). Compared to non-COVID-19 etiologies, COVID-19 ARDS patients had higher rates of stroke (2.3% vs 0%, p = 0.0005), lower rates of graft failure (12.8% vs 36.1%, p = 0.0003) and post-transplant ECMO (29.6% vs 41.7%, p = 0.0002), and improved 2-year survival following LTx (81.9% vs 61.7%, p = 0.0064). No difference in 2-year survival following LTx was observed between patients with COVID-19 and non-COVID-19 PF (77.2% vs 71.8%, p = 0.34). Rates of LTx spiked with variant emergence and declined with rounds of vaccination.</p><p><strong>Conclusion: </strong>Our results are consistent with early reports of survival outcomes following LTx for COVID-19 ARDS and PF while providing an increased layer of granularity. LTx may be considered as a safe and effective intervention for COVID-19 lung disease.</p>","PeriodicalId":18163,"journal":{"name":"Lung","volume":" ","pages":"723-737"},"PeriodicalIF":4.6,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141469247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
LungPub Date : 2024-10-01Epub Date: 2024-08-20DOI: 10.1007/s00408-024-00736-9
Savan K Shah, Seungjun Kim, Arsalan A Khan, Vaishnavi Krishnan, Ann M Lally, Palmi N Shah, Gillian C Alex, Christopher W Seder, Michael J Liptay, Nicole M Geissen
{"title":"Examination of Firefighting as an Occupational Exposure Criteria for Lung Cancer Screening.","authors":"Savan K Shah, Seungjun Kim, Arsalan A Khan, Vaishnavi Krishnan, Ann M Lally, Palmi N Shah, Gillian C Alex, Christopher W Seder, Michael J Liptay, Nicole M Geissen","doi":"10.1007/s00408-024-00736-9","DOIUrl":"10.1007/s00408-024-00736-9","url":null,"abstract":"<p><strong>Purpose: </strong>Firefighting is known to be carcinogenic to humans. However, current lung cancer screening guidelines do not account for occupational exposure. We hypothesize that firefighting is an independent risk factor associated with the development of high-risk lung nodules on low-dose CT (LDCT).</p><p><strong>Methods: </strong>Members of a firefighter's union underwent LDCT at a single institution between April 2022 and June 2023 within a lung cancer screening program. Results were interpreted by designated chest radiologists and reported using the Lung-RADS scoring system. Demographic and radiographic data were recorded, and summary statistics are reported.</p><p><strong>Results: </strong>1347 individuals underwent lung cancer screening, with a median age of 51 years (IQR 42-58), including 56 (4.2%) females. Overall, 899 (66.7%) were never smokers, 345 (25.6%) were former smokers, and 103 (7.7%) were current smokers. There were 41 firefighters (3.0%) who had high-risk (Lung-RADS 3 or 4) nodules requiring intervention or surveillance, of which 21 (1.5%) were Lung-RADS 3 and 20 (1.5%) that were Lung-RADS 4. Of the firefighters with high-risk nodules, only 6 (14.6%) were eligible for LDCT based on current screening guidelines. There were 7 high-risk nodules (0.5%) that required procedural intervention, 6 (85.7%) of which were from the non-screening eligible cohort. There were also 20 never-smoking firefighters (57.1%) with high-risk nodules that were non-screening eligible.</p><p><strong>Conclusion: </strong>Firefighting, even in the absence of smoking history, may be associated with the development of high-risk lung nodules on LDCT. Carefully selected occupational exposures should be considered in the development of future lung cancer screening guidelines.</p>","PeriodicalId":18163,"journal":{"name":"Lung","volume":" ","pages":"649-655"},"PeriodicalIF":4.6,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142009000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
LungPub Date : 2024-10-01Epub Date: 2024-08-27DOI: 10.1007/s00408-024-00741-y
Junlong Ma, Yaxin Liu, Yuanyuan Sun, Chengxian Guo, Guoping Yang
{"title":"Increased Pneumonia Risk Associated with Concomitant Use of Inhaled Corticosteroids and Benzodiazepines: A Pharmacovigilance Analysis.","authors":"Junlong Ma, Yaxin Liu, Yuanyuan Sun, Chengxian Guo, Guoping Yang","doi":"10.1007/s00408-024-00741-y","DOIUrl":"10.1007/s00408-024-00741-y","url":null,"abstract":"<p><strong>Background: </strong>Inhaled corticosteroids (ICS) are effective in managing asthma and chronic obstructive pulmonary disease (COPD) but increase the risk of pneumonia. Benzodiazepines (BZD), commonly prescribed for comorbid psychiatric disorders in asthma or COPD patients, are also associated with pneumonia. This study investigates the risk of pneumonia associated with the concomitant use of ICS and BZD.</p><p><strong>Methods: </strong>Data from the FDA Adverse Event Reporting System from Q4 2013 to Q3 2023 were extracted. Reports involving asthma or COPD patients were included. Disproportionality analysis and logistic regression analysis were performed to assess the risk of pneumonia associated with the combined use of ICS and BZD. Additive and multiplicative models were used to further confirm the results. Additionally, subgroup analyses were conducted based on gender, age, and disease type.</p><p><strong>Results: </strong>A total of 238,411 reports were included. The combined use of ICS and BZD was associated with a higher reporting of pneumonia (ROR: 2.41, 95% CI 2.25-2.58). Using additive and multiplicative methods, the results remained significant. The strongest risk signals were observed in specific drug combinations, such as mometasone with clonazepam, budesonide with temazepam, and mometasone with zopiclone. Subgroup analyses showed higher pneumonia risks in females, patients over 60 years old, and those with asthma.</p><p><strong>Conclusion: </strong>Our findings identified a significantly elevated pneumonia risk with the combined use of ICS and BZD. These results highlighted the necessity for cautious co-prescription of ICS and BZD and suggested the need for more comprehensive clinical studies to assess this interaction.</p>","PeriodicalId":18163,"journal":{"name":"Lung","volume":" ","pages":"673-681"},"PeriodicalIF":4.6,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142080801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}