{"title":"Quasi-experimental methods in air pollution epidemiology.","authors":"Carlos F Gould","doi":"10.1093/ajrccm/aamag217","DOIUrl":"https://doi.org/10.1093/ajrccm/aamag217","url":null,"abstract":"","PeriodicalId":7664,"journal":{"name":"American journal of respiratory and critical care medicine","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147832768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lisa M Fucito, Alana M Rojewski, Lynn Tanoue, Steven L Bernstein, Nathaniel L Baker, Nichole Tanner, Matthew J Carpenter, K Michael Cummings, Gerard Silvestri, Benjamin A Toll
{"title":"NRT Starter Packs and Gain-Framed Messages to Promote Smoking Cessation in Lung Cancer Screening: A Randomized Trial.","authors":"Lisa M Fucito, Alana M Rojewski, Lynn Tanoue, Steven L Bernstein, Nathaniel L Baker, Nichole Tanner, Matthew J Carpenter, K Michael Cummings, Gerard Silvestri, Benjamin A Toll","doi":"10.1093/ajrccm/aamag188","DOIUrl":"https://doi.org/10.1093/ajrccm/aamag188","url":null,"abstract":"","PeriodicalId":7664,"journal":{"name":"American journal of respiratory and critical care medicine","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2026-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147832801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kavitha C Selvan, Jonathan A Rose, Rachel K Putman
{"title":"Beyond the Binary: Rethinking the ILA to ILD Continuum.","authors":"Kavitha C Selvan, Jonathan A Rose, Rachel K Putman","doi":"10.1093/ajrccm/aamag211","DOIUrl":"https://doi.org/10.1093/ajrccm/aamag211","url":null,"abstract":"","PeriodicalId":7664,"journal":{"name":"American journal of respiratory and critical care medicine","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2026-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147832461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effects of China's Clean Heating Policy on respiratory symptoms and airway inflammation in adults: a quasi-experimental study in rural Beijing.","authors":"Kaibing Xue, Jill Baumgartner, Sam Harper, Talia Sternbach, Xiaoying Li, Jing Shang, Wenlu Yuan, Jian Ma, Xiang Zhang, Ellison Carter, Brian Robinson, Yuanxun Zhang","doi":"10.1093/ajrccm/aamag181","DOIUrl":"https://doi.org/10.1093/ajrccm/aamag181","url":null,"abstract":"<p><strong>Background: </strong>Northern China's Clean Heating Policy (CHP) aimed to reduce wintertime coal burning in rural homes by restricting coal use and providing subsidies for clean heating. The policy's health impacts on respiratory outcomes have not been empirically evaluated.</p><p><strong>Objectives: </strong>To estimate the impact of the CHP on respiratory symptoms and airway inflammation using a difference-in-differences design leveraging the policy's staggered rollout across rural Beijing villages.</p><p><strong>Methods: </strong>We enrolled 1,003 adults aged ≥ 40 years from 50 rural villages reliant on coal heating at baseline (2018-19). Over four winters (2018-2022), 20 villages were enrolled into the CHP. During up to three winter waves of data collection, we measured respiratory symptoms by questionnaire and, in a subsample, measured fractional exhaled nitric oxide (FeNO). We estimated the policy's effects using extended two-way fixed effects models, accounting for village-level clustering and potential time-varying confounders.</p><p><strong>Results: </strong>Exposure to the CHP was associated with a 7.5 percentage point reduction (95% confidence interval (CI): -12.8, -2.3) in the prevalence of any respiratory symptom, primarily driven by reductions in reported difficulty breathing (-3.3 pp, 95% CI: -8.0, 1.3), shortness of breath (-3.5 pp, 95% CI: -9.3, 2.3), and cough (-2.8 pp, 95% CI: -7.3, 1.6). We observed no evidence of an effect of the CHP on FeNO (0.3 ppb, 95% CI: -2.2, 2.8).</p><p><strong>Conclusions: </strong>The CHP led to reductions in reported respiratory symptoms among Beijing adults. This study contributes to the limited empirical evidence that clean energy policies can yield health benefits.</p>","PeriodicalId":7664,"journal":{"name":"American journal of respiratory and critical care medicine","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2026-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147832572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The cause of hypoxemia in pulmonary arteriovenous malformations.","authors":"Robert Naeije","doi":"10.1093/ajrccm/aamag173","DOIUrl":"https://doi.org/10.1093/ajrccm/aamag173","url":null,"abstract":"","PeriodicalId":7664,"journal":{"name":"American journal of respiratory and critical care medicine","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2026-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147832504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Peter B Noble, Michael J Hackmann, Alvenia Cairncross, Francis H Y Green, Alan L James, John G Elliot, Graham M Donovan
{"title":"The propensity for mucus plug formation in fatal asthma is increased by airway narrowing.","authors":"Peter B Noble, Michael J Hackmann, Alvenia Cairncross, Francis H Y Green, Alan L James, John G Elliot, Graham M Donovan","doi":"10.1093/ajrccm/aamag178","DOIUrl":"https://doi.org/10.1093/ajrccm/aamag178","url":null,"abstract":"","PeriodicalId":7664,"journal":{"name":"American journal of respiratory and critical care medicine","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2026-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147832450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Aileen Hsieh, Dragoş M Vasilescu, Tillie-Louise Hackett
{"title":"Reply to Noble et al.: The propensity for mucus plug formation in fatal asthma is increased by airway narrowing.","authors":"Aileen Hsieh, Dragoş M Vasilescu, Tillie-Louise Hackett","doi":"10.1093/ajrccm/aamag179","DOIUrl":"https://doi.org/10.1093/ajrccm/aamag179","url":null,"abstract":"","PeriodicalId":7664,"journal":{"name":"American journal of respiratory and critical care medicine","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2026-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147832829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Are Nonsignificant Results Neutral, Inconclusive, or Negative? Likelihood Ratios Distinguish.","authors":"Amin Sharifan","doi":"10.1093/ajrccm/aamag196","DOIUrl":"https://doi.org/10.1093/ajrccm/aamag196","url":null,"abstract":"","PeriodicalId":7664,"journal":{"name":"American journal of respiratory and critical care medicine","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147832528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"An early window into immune developmental trajectory of asthma.","authors":"Anne M Fitzpatrick, Sergejs Berdnikovs","doi":"10.1093/ajrccm/aamag194","DOIUrl":"https://doi.org/10.1093/ajrccm/aamag194","url":null,"abstract":"","PeriodicalId":7664,"journal":{"name":"American journal of respiratory and critical care medicine","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147832357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"\"I just know I don't know\": challenging the interpretation of clinical trials grounded in imperfect assumptions.","authors":"Fabrizio Luppi, Giovanni Ferrara","doi":"10.1093/ajrccm/aamag200","DOIUrl":"https://doi.org/10.1093/ajrccm/aamag200","url":null,"abstract":"","PeriodicalId":7664,"journal":{"name":"American journal of respiratory and critical care medicine","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147832365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}