The Association Between Oral Microbiota and Chronic Obstructive Pulmonary Disease: An Integrated Study of Genetic Causal Inference and Bioinformatics Analysis

This study integrates bidirectional Mendelian randomization and multi-omics bioinformatics to establish causal links between specific oral microbiota and Chronic Obstructive Pulmonary Disease (COPD), identifying MPDZ as a key hub gene and proposing candidate therapeutic drugs for personalized treatment strategies.

An, X.-J., Wei, Z.-f., Huang, Y.-t. + 3 more2026-04-07📄 respiratory medicine

Impact of sputum quality on Xpert MTB/RIF Ultra test results for tuberculosis: A multi-country study

A multi-country study of 1,855 participants demonstrates that sputum quality does not independently affect Xpert MTB/RIF Ultra positivity and that the test maintains high sensitivity and specificity across all sputum grades, supporting the molecular testing of all sputum samples regardless of their macroscopic appearance.

Moe, C. A., Barua, S., Vijayan, S. + 14 more2026-04-03📄 respiratory medicine

Exploring the Impact of a Medical Device Recall on Individuals with Obstructive Sleep Apnea and Healthcare Providers: A Qualitative Study

This qualitative study reveals that the Philips PAP device recall caused significant confusion, emotional distress, and logistical burdens for patients and healthcare providers due to inadequate communication and disorganized execution, ultimately eroding trust in both the manufacturer and regulatory oversight.

Pendharkar, S., Blades, K., Yazji, B. + 11 more2026-03-27📄 respiratory medicine

The Robust Bidirectional Association Between Chronic Lung Disease and Incident Osteoporosis: A Two-Stage Individual Participant Data Meta-Analysis of Three International Longitudinal Cohorts (HRS, SHARE, and ELSA)

This two-stage individual participant data meta-analysis of three international longitudinal cohorts provides robust evidence of a significant bidirectional association between chronic lung disease and incident osteoporosis in adults aged 50 and older, highlighting the need for integrated screening and management of both conditions.

Jiang, D., Bao, J.2026-03-19📄 respiratory medicine

Sphingosine-1-phosphate and sphinganine-1-phosphate Imbalance Drives Airway Hyperreactivity

This study demonstrates that an imbalance in sphingolipid metabolites, specifically an increased sphingosine-1-phosphate to sphinganine-1-phosphate ratio driven by ORMDL3-mediated suppression of sphingolipid synthesis, causes airway hyperreactivity in asthma, while restoring sphinganine-1-phosphate levels can mitigate this dysfunction.

Heras Barros, A., Brown, S., Worgall, T. + 2 more2026-03-17📄 respiratory medicine

Real world evidence of acute interstitial lung disease-related hospital admissions infers complex, multifactorial association between social deprivation and 90-day all-cause mortality outcomes: data from the North West of England.

This multicentre retrospective study of nearly 1,000 acute interstitial lung disease admissions in the North West of England reveals that while the most socially deprived populations face a high burden of hospitalization, the direct association between geographical deprivation and 90-day all-cause mortality is complex and statistically inconsistent, suggesting a multifactorial relationship rather than a straightforward causal link.

White, L. J., Shaw, J., Powell, B. + 23 more2026-03-13📄 respiratory medicine

The Relationship Between Social Vulnerability and Obstructive Sleep Apnea Severity at Referral to a Tertiary Sleep Centre: A Retrospective Observational Study.

This retrospective study of 2,232 patients in Calgary found that while neighborhood-level social vulnerability is associated with obstructive sleep apnea severity at referral, this relationship is mediated by BMI, whereas specific deprivation dimensions independently predict increased sleepiness.

Duff, N., Tsai, W., Spence, E. E. M. + 9 more2026-03-13📄 respiratory medicine

Comparison of High-Resolution Computed Tomography Patterns in Adult with Cystic Fibrosis and Non- Cystic Fibrosis Bronchiectasis in a South Asian Country Bangladesh: A Retrospective Cross-sectional Study

This retrospective study from Bangladesh demonstrates that adult patients with cystic fibrosis exhibit distinct high-resolution computed tomography patterns, specifically a higher prevalence of cystic morphology and mixed central-peripheral extension, compared to those with non-cystic fibrosis bronchiectasis, suggesting these radiologic features can aid in early diagnosis and treatment selection.

Majumder, S., Biswas, P., Chakrabortty, R. + 2 more2026-03-10📄 respiratory medicine

Oxygen pulse kinetics and ventilatory inefficiency as markers of cardiovascular limitation on exercise in patients with mild pre-capillary pulmonary hypertension and exertional dyspnoea.

This study demonstrates that while abnormal oxygen pulse kinetics are associated with cardiac dysfunction in patients with mild pre-capillary pulmonary hypertension, the ventilatory inefficiency ratio (VE/VCO2/peakVO2) serves as a superior independent predictor of both cardiovascular limitation and mortality, aiding in the differentiation of cardiac dysfunction from deconditioning when conventional parameters are inconclusive.

Charalampopoulos, T., Selvaraju, S. M., Smith, I. + 10 more2026-03-10📄 respiratory medicine

Hybrid HU-Z-Score Method for Early Detection of Progressive Pulmonary Fibrosis: A Proof-of-Concept Study Combining Volumetric and Density-Based CT Analysis

This proof-of-concept study introduces a hybrid HU-Z-score CT analysis method that detects early qualitative pulmonary fibrosis progression (tissue densification) before significant territorial expansion, offering a more sensitive tool for timely antifibrotic therapy initiation than traditional volume-based or functional criteria.

Trabadelo, H.2026-03-09📄 respiratory medicine

Adult Life Course Trajectories of Lung Function and the Development of Interstitial Lung Abnormalities: The CARDIA Lung Study

This study demonstrates that a greater longitudinal decline in forced vital capacity (FVC) from early adulthood to midlife is strongly associated with the presence of interstitial lung abnormalities, suggesting that physiologic lung function impairment precedes radiologic evidence of subclinical lung disease.

Grudzinski, K. M., Liu, G. Y., Colangelo, L. A. + 7 more2026-03-06📄 respiratory medicine

Therapeutic Response by Radiologic Pattern of Lung Injury in Myositis-Associated Interstitial Lung Disease: a Retrospective Cohort Study

This retrospective cohort study suggests that patients with myositis-associated interstitial lung disease exhibiting an organizing pneumonia (OP)-predominant radiologic pattern demonstrate a more favorable therapeutic response and greater improvement in lung function and radiologic signs over 24 months compared to those with a nonspecific interstitial pneumonia (NSIP)-predominant pattern.

Bolig, T. C., Grudzinski, K., Shawabkeh, M. + 8 more2026-03-04📄 respiratory medicine

Accuracy of Tuberculosis Infection Diagnosis through IP-10-Based Assays for Immune Detection of Present Mycobacterium tuberculosis: A Cross-Sectional Evaluation

This cross-sectional study in Romania demonstrates that IP-10-based assays (RIDA®QUICK TB and RIDASCREEN® TB) exhibit high sensitivity and excellent positive predictive value for detecting active and latent Mycobacterium tuberculosis infections, often outperforming the standard QuantiFERON-TB Gold Plus assay, though larger studies are needed to fully establish their specificity.

Stoichita, A., Burecu, M., Nita, C. + 5 more2026-02-26📄 respiratory medicine

Machine Learning Analysis of Electronic Health Records Identifies Interstitial Lung Disease and Predicts Mortality in Patients with Systemic Sclerosis

This study demonstrates that machine learning models utilizing routinely available electronic health record data can effectively identify interstitial lung disease and predict mortality in patients with systemic sclerosis, offering a scalable tool for early risk stratification and improved clinical monitoring.

Peltekian, A. K., Grudzinski, K. M., Bemiss, B. C. + 29 more2026-02-18📄 respiratory medicine