OOIR: Observatory of International Research

Papers

(The TQCC of International Journal of Chronic Obstructive Pulmonary Disease is 7. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-07-01 to 2026-07-01.)

Article	Citations
Predictive Role of White Blood Cell Differential Count for the Development of Acute Exacerbation in Korean Chronic Obstructive Pulmonary Disease	133
Analysis of the Current State of COPD Nursing Based on a Bibliometric Approach from the Web of Science	130
A Real-World Study on the Day and Night-Time Symptoms Among Greek COPD Patients Who Recently Initiated Treatment with Dual Bronchodilation: The DANICO Study	92
Healthcare Utilization in Patients with Chronic Obstructive Pulmonary Disease Discharged from Coronavirus 2019 Hospitalization	73
Impact of Chronic Obstructive Pulmonary Disease on Mortality Rates After Hip Pertrochanteric Fracture: A Nationwide Population-Based Cohort Study	70
Patient Perceptions of Switching to a Generic Dry Powder Inhaler – Increased Understanding Through Journey Mapping [Corrigendum]	64
Race-Based Pulmonary Function Testing Correction in COPD Inhaler Therapy Trials: A Systematic Review	62
Development and Validation of an Electronic Health Record Algorithm to Predict the Presence of Chronic Obstructive Pulmonary Disease	61
External Validation and User Experiences of the ProPal-COPD Tool to Identify the Palliative Phase in COPD	50
Effects of Diabetes Mellitus and Glycemic Traits on COPD and Pulmonary Function Traits: Insights From Mendelian Randomization and NHANES	49
The Association Between Glycemic Variability and In-Hospital Mortality in Patients with Chronic Obstructive Pulmonary Disease: A MIMIC-IV Database-Based Retrospective Cohort Study	49
Real-World Effectiveness of Triple Extrafine Fixed-Dose Combination with Beclomethasone/Formoterol/Glycopyrronium on Symptoms and Lung Function in COPD: A Systematic Review and Meta-Analysis	47
Dynamic Risk Status of OSA and Its Association with COPD Incidence and Progression to Oxygen Therapy: Insights from a US National Cohort	47
RNA Sequencing and Related Differential Gene Expression Analysis in a Mouse Model of Emphysema Induced by Tobacco Smoke Combined with Elastin Peptides	47
Comorbid Heart Disease in Patients with COPD is Associated with Increased Hospitalization and Mortality – A 15-Year Follow-Up	47
Withholding of Life-Sustaining Treatment and Mortality in ICU Patients with Severe Acute COPD Exacerbations: A Retrospective French Cohort	46
Inducible Costimulator-C-X-C Motif Chemokine Receptor 3 Signaling is Involved in Chronic Obstructive Pulmonary Disease Pathogenesis	45
Association of Cardiovascular Disease and Its Subtypes with Prognosis in Hospitalized Patients with AECOPD: A Retrospective Cohort Study	44
Prescription Patterns of New Use of Fixed-Dose Combination Inhalers in Patients with Chronic Obstructive Pulmonary Disease: Long-Acting β2 Agonists Plus Long-Acting Muscarinic Antagonists versus Long-	44
The Activation of M1 Macrophages is Associated with the JNK-m6A-p38 Axis in Chronic Obstructive Pulmonary Disease	41
Effects of High-Frequency Chest Wall Oscillation on Acute Exacerbation of Chronic Obstructive Pulmonary Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials	40
Contributions of Emphysema and Functional Small Airway Disease on Intrapulmonary Vascular Volume in COPD	37
Elevated Blood Glucose is Associated with Severe Exacerbation of Chronic Obstructive Pulmonary Disease	37
Efficacy of mRNA and Inactivated Whole Virus Vaccines Against COVID-19 in Patients with Chronic Respiratory Diseases	36
COPD and Immune Checkpoint Inhibitors for Cancer: A Literature Review	36

Diagnostic Value of Bilateral Pectoralis Major Total Cross-Sectional Area in Patients with AECOPD Complicated by Malnutrition	34
Evaluation of the Efficacy of Jiangqi Dingchuan Pill Based on Network Pharmacology Analysis and Cigarette Smoke and Lipopolysaccharide Induced Chronic Obstructive Pulmonary Disease Rat Model	34
The Association Between COPD, Acute Exacerbations of COPD, and Survival in COPD, with Fat-Free Body Mass Index: A Systematic Review and Meta-Analysis	31
Cost-Effectiveness of Single- versus Multiple-Inhaler Triple Therapy in a UK COPD Population: The INTREPID Trial	31
Current Progress of COPD Early Detection: Key Points and Novel Strategies	30
Comparison of High Flow Nasal Therapy with Non-Invasive Ventilation and Conventional Oxygen Therapy for Acute Hypercapnic Respiratory Failure: A Meta-Analysis of Randomized Controlled Trials	30
The Impact of Inhaled Corticosteroids on the Prognosis of Chronic Obstructive Pulmonary Disease	30
Association Between Physical Activity, Sedentary Behavior and Sleep Disorders in Chronic Obstructive Pulmonary Disease Patients: A Cross-Sectional Study	29
The Burden of COPD with Type 2 Inflammation in North-West Continental Europe	29
Characteristics of Users and New Initiators of Single- and Multiple-Inhaler Triple Therapy for Chronic Obstructive Pulmonary Disease in Germany	29
Acute Exacerbation and Longitudinal Lung Function Change of Preserved Ratio Impaired Spirometry	29
Limited Benefit of Additional Chartis® Assessments for Collateral Ventilation Evaluation in Patients with Software Quantified Intact Target Lobe Fissure – Results from a Retrospective Analysis of the	29
Fear of Falling in Patients with Chronic Obstructive Pulmonary Disease: Clinical Associations and Functional Impact	28
Heart Rate Recovery After Cardiopulmonary Exercise Test Predicts Acute Exacerbations in Patients with Moderate Chronic Obstructive Pulmonary Disease	27
Estimating the Prevalence of AATD Patients in the UK to Identify Underdiagnosis and Determine the Eligibility for Potential Augmentation Therapy	27
Clinical Indicators for Asthma-COPD Overlap: A Systematic Review and Meta-Analysis	27
Cardiovascular Prognosis of Subclinical Chronic Obstructive Pulmonary Disease in Patients with Suspected or Confirmed Coronary Artery Disease	26
Revealing lncRNA Biomarkers Related to Chronic Obstructive Pulmonary Disease Based on Bioinformatics	26
Clinical Impact of Compensatory Hyperinflation of the Nontreated Adjacent Lobe After Bronchoscopic Lung Volume Reduction with Valves	26
Prevalence and Risk Factors for COPD in an Urbanizing Rural Area in Western China: A Cross-Sectional Study	25
Serum IL-33/ST2 Axis Expression in Acute Exacerbations of COPD: Correlation with Pulmonary Function	25
The Role and Clinical Significance of Vitamin D in Chronic Obstructive Pulmonary Disease	25
Reducing Fall Risk in Older Adults with COPD: Pilot Study to Test the Efficacy of a Home-Based Exercise Program with Virtual Care Support	25
The Impact of Different Smoking Behavior on Pulmonary Function and Pulmonary Hypertension Among Chinese Male Patients with Chronic Obstructive Pulmonary Disease	25
NT-proBNP in Different Patient Groups of COPD: A Systematic Review and Meta-Analysis	25
Comparison of Infection Risks Between Various Inhaled and Intranasal Corticosteroids: A Pharmacovigilance Analysis Based on the FAERS Database	25
Chronic Airflow Limitation, Lower Respiratory Symptoms, COPD and Chronic Rhinosinusitis in a Middle-Aged Population: The Swedish CArdioPulmonary bioImage Study (SCAPIS). A Link Between the Lower and U	25
A Nomogram for Predicting Successful Weaning from Invasive Mechanical Ventilation Withdrawal in Patients with Chronic Obstructive Pulmonary Disease Complicated by Respiratory Failure	24
GOLD 2023 Update: Implications for Clinical Practice	24
Temporal Dynamics of Cardiovascular Risk in Patients with Chronic Obstructive Pulmonary Disease During Stable Disease and Exacerbations: Review of the Mechanisms and Implications	24
Prevalence and Risk Factors of Arrhythmias in Patients with Acute Exacerbations of Chronic Obstructive Pulmonary Disease: A Systematic Review and Meta-Analysis	24
Are We Missing the Opportunity to Disseminate GOLD Recommendations Through AECOPD Discharge Letters?	24
Airway and Systemic Immune Responses Following the Third COVID-19 Vaccination in COPD Patients	24
Therapeutic Effects of Lifei Decoction in a Murine Model of COPD Induced by LPS and Cigarette Smoke	23
Validation of an AI-Powered Smart Dry Powder Inhaler (RS01X) for Asthma and COPD in a Clinical Setting	23
Impact of the COVID-19 Pandemic on ACO Prevalence Among AECOPD Patients (2019-2023) and Clinical Characteristics by Blood Eosinophil Levels	22
Clinical Disease Burden in Patients with Chronic Obstructive Pulmonary Disease and Type 2 Inflammation in Japan: A Retrospective Database Analysis (EUROS Study)	22
Lung Cancer Risk in US Adults with COPD: A Systematic Review and Meta-Analysis	22
Non-Pharmacological Interventions for Emotional Symptoms in COPD Centered on Anxiety and Depression: An Evidence Synthesis Study	21
Alpha-1 Antitrypsin Genotype Distribution in Patients with Emphysema	21
Real-World COPD Management Over 3 Years at the Community Health Service Center of Shanghai During the COVID-19 Pandemic in China	20
A Predicted FEV1/FVC Model Based on a Simple Respiratory Questionnaire for Early Diagnosis of COPD in Shimane Cohort, Japan	20
Knockdown of GNL3L Alleviates the Progression of COPD Through Inhibiting the ATM/p53 Pathway	19
Bronchoscopic Lung Volume Reduction as the Treatment of Choice versus Robotic-Assisted Lung Volume Reduction Surgery in Similar Patients with Emphysema – An Initial Experience of the Benefits and Comp	19
COPD-ES Questionnaire Based COPD Patients Management in Stable Phrase Improves Disease Group Classification	19
Physical Activity, Muscle Oxidative Capacity, and Coronary Artery Calcium in Smokers with and without COPD	19
Effectiveness of Benralizumab in Reducing Asthma and COPD Exacerbations in Patients with Severe Asthma and Concomitant COPD: Real-World Evidence from the ZEPHYR-5 Study	19
Phenotyping COPD Patients with Emphysema Distribution Using Quantitative CT Measurement; More Severe Airway Involvement in Lower Dominant Emphysema	19
Neutrophil/Lymphocyte Ratio as a Predictive Biomarker of NIV Failure in AECOPD: The Unveiled Facts [Letter]	19
Mechanisms, Efficacy, Safety, and Pharmacoeconomics of Low-Dose, Long-Term Macrolide Antibiotics in the Treatment of Chronic Obstructive Pulmonary Disease: A Review	19

Quantitative CT Analysis of Small Airway Remodeling in Patients with Chronic Obstructive Pulmonary Disease by a New Image Post-Processing System [Corrigendum]	18
Ultrasound Evaluation of Diaphragmatic and Intercostal Muscle Function as an Indicator of COPD Severity: A Prospective Cross-Sectional Study	18
Characteristics of Patients Receiving Budesonide/Glycopyrronium/Formoterol for Chronic Obstructive Pulmonary Disease in Spain: The AURA Study	18
TET1 Alleviates Cigarette Smoke Induced Bronchial Epithelial Cell Apoptosis Through Upregulating Nrf2	18
Cardiovascular Events According to Inhaler Therapy and Comorbidities in Chronic Obstructive Pulmonary Disease	18
The Impact of Gut Microbiota on Chronic Obstructive Pulmonary Disease: A Dual-Sample Mendelian Randomization Study	18
Inspiratory and Expiratory Computed Tomography Imaging Clusters Reflect Functional Characteristics in Chronic Obstructive Pulmonary Disease	18
Association of FeNO Decline Rate with Symptom Improvement in COPD: A Real-World Observational Study	18
The Role of Diaphragmatic Ultrasound in Identifying Sarcopenia in COPD Patients: A Cross-Sectional Study	18
Risk of Cardiovascular Events Associated with Chronic Obstructive Pulmonary Disease and/or Metabolic Syndrome: A Large-Scale Nationwide Population-Based Cohort Study	17
COPD in Africa in the Post-COVID Era: A GBD 2023 Analysis of Trends, Demographic Drivers and Health-System Performance	17
Type 2 Diabetes Mellitus and Chronic Obstructive Pulmonary Disease – from Pathophysiology to Effective Management Overview	17
Unveiling the Role of Cathepsins on Lung Function in Chronic Obstructive Pulmonary Disease: A Mendelian Randomization Analysis	17
Chronic Obstructive Pulmonary Disease and Obstructive Sleep Apnea Coexistence: From Pathophysiology to Clinical Complications	17
Chronic Obstructive Pulmonary Disease Prevalence and Associated Risk Factors in Adults Aged 40 Years and Older in Southeast China: A Cross-Sectional Study During 2019–2020	17
Genetically Predicted Use of Common Analgesics and Risk of Chronic Obstructive Pulmonary Disease: A Bidirectional Mendelian Randomization Study	16
Association Between Improvement in Institutional COPD Quality Assessment Grade and Risk of Acute Exacerbations in Primary and Secondary Care: A Nationwide Claims-Based Study	16
Effects of Z-VaD-Ala-Asp-Fluoromethyl Ketone (Z-VAD-FMK) and Acetyl-Asp-Glu-Val-Asp-Aldehyde(Ac-DEVD-CHO) on Inflammation and Mucus Secretion in Mice Exposed to Cigarette Smoke	16
Comparison of the Application of Vibrating Mesh Nebulizer and Jet Nebulizer in Chronic Obstructive Pulmonary Disease: A Systematic Review and Meta‐analysis	16
Serum Proteomic Profiling in Patients with Chronic Obstructive Pulmonary Disease	16
Disease Burden and Health-Related Quality of Life (HRQoL) of Chronic Obstructive Pulmonary Disease (COPD) in the US – Evidence from the Medical Expenditure Panel Survey (MEPS) from 2016-2019	16
Metabolic Regulation in Acute Respiratory Distress Syndrome: Implications for Inflammation and Oxidative Stress	16
Exploring the Presence of Implicit Bias Amongst Healthcare Professionals Who Refer Individuals Living with COPD to Pulmonary Rehabilitation with a Specific Focus Upon Smoking and Exercise	15
Impact of Frailty on Activities of Daily Living and Length of Hospitalization in Acute Exacerbations of Chronic Obstructive Pulmonary Disease	15
Role of Genetic Polymorphisms in IL12Rβ2 in Chronic Obstructive Pulmonary Disease	15
Health Inequality in the Global Burden of Chronic Obstructive Pulmonary Disease: Findings from the Global Burden of Disease Study 2019	15
Impact of Spirometrically Confirmed Chronic Obstructive Pulmonary Disease on Arterial Stiffness and Surfactant Protein D After Percutaneous Coronary Intervention. The CATEPOC Study	15
The Relationship Between BMI and Lung Function in Populations with Different Characteristics: A Cross-Sectional Study Based on the Enjoying Breathing Program in China	15
Risk of Hospitalized Cardiovascular Events Associated with LAMA/LABA/ICS FDC versus LABA/ICS FDC in Patients with Chronic Obstructive Pulmonary Disease: A Nationwide Cohort Study	15
Appreciation of Increased Pulmonary Vascular Resistance from the Maximum Desaturation in 2-Chair Test: An Appraisal	14
COPD Risk Factor Profiles in General Population and Referred Patients: Potential Etiotypes	14
The Relationship Between Blood Urea Nitrogen to Creatinine Ratio and Severe Acute Exacerbation of COPD Patients: A Propensity Score Matching Study	14
Nutritional and Inflammatory Predictors of All-Cause Mortality in COPD Patients with Hypercapnic Respiratory Failure: A Two-Center Prospective Cohort Study	14
Stability of Blood Eosinophils in COPD with Multiple Acute Exacerbations Within 1 Year and Its Relationship with Prognosis	14
Adherence to Inhalation Therapy Among COPD Patients: A Cross-Sectional Study in a Tertiary Hospital in Quito, Ecuador	14
A Multi-Specialty Delphi Consensus on Assessing and Managing Cardiopulmonary Risk in Patients with COPD	14
The Mechanism of Penehyclidine Hydrochloride and Its Effect on the Inflammatory Response of Lung Tissue in Rats with Chronic Obstructive Pulmonary Disease During Mechanical Ventilation [Retraction]	14
Response to the Letter to the Editor by Zambelli et al for In Silico Lung Deposition Profiles of Three Single-Inhaler Triple Therapies in Patients With COPD Using Functional Respiratory Imaging [Respo	14
A Single Cell Atlas of the COPD Lung Identifies Inflammatory Reprogramming in Fibroblasts	14
Effect of Nutritional Management on the Nutritional Status and Quality of Life of Patients with Chronic Obstructive Pulmonary Disease	14
“This is What Lies Ahead”. Perspectives of Oxygen-Naïve COPD Patients on Long-Term Oxygen Use. A Qualitative Study	13
Prognostic Value of Pace Variability, a Novel 6MWT-Derived Feature, in Patients with Chronic Obstructive Pulmonary Disease	13
Impact of Airway-Occluding Mucus Plugs on Mortality in Patients with COPD According to Disease Severity: A Subset Analysis of Data From COPDGene	13
Severe COPD Exacerbators Requiring Multiple ICU Admissions Over Time: Insights of a French Cohort	13
Inhibitory Effect of P22077 on Airway Inflammation in Rats with COPD and Its Mechanism	13
Sex Differences and Survival Among COPD Patients in France: The Palomb Cohort	13
A Phenomenological Qualitative Study of Primary Informal Caregiver of Chinese Patients with Advanced Stage COPD: An In-Depth Exploration of Experiences and Needs	13
History of Respiratory Events Prior to a First COPD Diagnosis and Future Exacerbations: A Longitudinal Observational Cohort Database Study in Japan	13
The Increased Burden of Morbidity Over the Life-Course Among Patients with COPD: A Register-Based Cohort Study in Sweden	13
Cost-Effectiveness of Single-Inhaler Triple Therapy (FF/UMEC/VI) versus Tiotropium Monotherapy in Patients with Symptomatic Moderate-to-Very Severe COPD in the UK	13
Reliability, Validity, Modification and Expansion of the Chinese Version of the Disease-Specific Anxiety Questionnaire for Chronic Obstructive Pulmonary Disease	13
Investigation and Analysis of Risk Factors and Psychological Status of Chronic Obstructive Pulmonary Disease in Permanent Residents Aged 40 or Older in Hongyuan County, Aba Prefecture, Sichuan Provinc	13
Associations Between Albumin-Corrected Anion Gap and Mortality in Heart Failure Patients with Chronic Obstructive Pulmonary Disease: A Retrospective Cohort Study	13
Chronic Obstructive Pulmonary Disease in Singapore: Current Perspectives on Prevalence, Disease Burden, and Treatment	13
Early Diagnosis of High-Risk Chronic Obstructive Pulmonary Disease Based on Quantitative High-Resolution Computed Tomography Measurements	13
Inpatient Admissions and Re-Admissions in Medicare Beneficiaries Initiating Umeclidinium/Vilanterol or Tiotropium Therapy	12
Effects of Early Pulmonary Rehabilitation on Hospitalized Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease: A Systematic Review and Meta-Analysis	12
Co-Design of an Electronic Patient Record-Integrated COPD Self-Management App: The My Lung Health Coach Companion	12
Reasons for Hospital Admissions in Chronic Hypercapnic COPD Patients on Long-Term Nocturnal Noninvasive Ventilation – A Prospective Observational Study	12
Lung Ultrasound to Assess Pulmonary Congestion in Patients with Acute Exacerbation of COPD	12
Epigenetic Mechanisms Linking Chronic Obstructive Pulmonary Disease and Atrial Fibrillation: A Multi-Omics Mendelian Randomization Study	12
COPD in People with HIV: Epidemiology, Pathogenesis, Management, and Prevention Strategies	12
The Prognostic Performance of Lung Diffusing Capacity in Preserved Ratio Impaired Spirometry: An Observational Cohort Study	12
Clinical Characteristics and Outcomes of Hospitalized AECOPDs Secondary to SARS-CoV-2 versus Other Respiratory Viruses	12
Association of Red Cell Index and Hospital Mortality in Chronic Obstructive Pulmonary Disease Patients Admitted to the Intensive Care Unit: A Retrospective Cohort Study	12
Bronchial Rheoplasty for Chronic Bronchitis: Results from a Canadian Feasibility Study with RheOx®	12
When Treatment of Pulmonary Emphysema with Endobronchial Valves Did Not Work: Evaluation of Quantitative CT Analysis and Pulmonary Function Tests Before and After Valve Explantation	12
Long-Term SGRQ Stability in a Cohort of Individuals with Alpha-1 Antitrypsin Deficiency-Associated Lung Disease	12
Identifying the Core Symptoms in Chinese Patients of Chronic Obstructive Pulmonary Disease: A Contemporaneous Symptom Network Analysis	12
Exploring a Potential Causal Link Between Dietary Intake and Chronic Obstructive Pulmonary Disease: A Two-Sample Mendelian Randomization Study	12
Unravelling the Information Contained in the Single Items of the COPD Assessment Test for Different Outcomes and Smoking Status in Patients with COPD: Results from COSYCONET	12
Can Blood Biomarkers Be Used to Assess Oxidative Stress in COPD Patients After Pulmonary Rehabilitation	11
Effective-Component Compatibility of Bufei Yishen Formula III Protects Lung Air-Blood Barrier by Regulating the Oxidative Stress: via the Nuclear Factor-E2-Related Factor 2 Pathway	11
Consistency Evaluation of Two Loading Devices in Measuring the Perception of Dyspnea	11
Effective-Component Compatibility of Bufei Yishen Formula III Suppresses Mitochondrial Oxidative Damage in COPD: Via Pkm2/Nrf2 Pathway	11
Awareness of COPD and Its Risk Factors Among the Adult Population of the Aseer Region, Saudi Arabia	11
Lung Health of Early COPD (LHEC): A Multi-Center Cohort Study—Rational and Design	11
Development and External Validation of a Machine Learning Model for 90-Day Readmission in Hospitalized Older Patients with AECOPD: A Two-Center Study	11
From China’s Multicenter Prospective Cohort: Right Ventricular Afterload and Prognosis in Hospitalized Patients with Acute Exacerbation of COPD	11
Improvement of Progressive Vanishing Lung Syndrome in COPD: A 7-Year Radiological Evolution Case Report and Literature Review	11

Novel Anti-Inflammatory Approaches to COPD	11
Evaluation of the Individual Activity Descriptors of the mMRC Breathlessness Scale: A Mixed Method Study	11
Prevention of Re-Hospitalization for Acute Exacerbations: Perspectives of People with Chronic Obstructive Pulmonary Disease: A Qualitative Study	11
Exosomal miR-2110 from PM2.5-Exposed Lung Epithelial Cells Targets SRSF1 to Promote M1 Macrophage Polarization and Inflammatory Responses in COPD	11
The Use of Bronchial Rheoplasty in Emphysema Patients Previously Treated with Endoscopic Lung Volume Reduction: A Case Series	11
Hemoglobin as a Treatable Trait in COPD: A Retrospective Observational Cohort Study on Hemoglobin Levels and All-Cause Mortality from NHANES Data	11
Estimated Plasma Volume Status and the Risk of in-Hospital Mortality Among Patients with Acute Exacerbations of Chronic Obstructive Pulmonary Disease in Intensive Care Unit: Retrospective Cohort Study	11
Characteristics of Current Smokers versus Former Smokers with COPD and Their Associations with Smoking Cessation Within 4.5 Years: Results from COSYCONET	11
The Miasma Mentality: Investigating the Association Between Beliefs in Noxious Fumes and Obstructive Pulmonary Disease (COPD), Symptoms, and Quality of Life	11
Construct Validity Matters: Are CAT and 5STS Surrogates of Exercise Capacity in COPD? [Letter]	11
Discriminant Validity of a Single Clinical Question for the Screening of Inactivity in Individuals Living with COPD	11
Lack of Evidence Regarding Markers Identifying Acute Heart Failure in Patients with COPD: An AI-Supported Systematic Review	11
Protective Effect of the Total Alkaloid Extract from Bulbus Fritillariae pallidiflorae in a Mouse Model of Cigarette Smoke-Induced Chronic Obstructive Pulmonary Disease	11
Bufei Yishen Formula Inhibits the Cell Senescence in COPD by Up-Regulating the ZNF263 and Klotho Expression	11
Utility of Cardiopulmonary Exercise Testing in Chronic Obstructive Pulmonary Disease: A Review	11
Effectiveness of Extrafine Single Inhaler Triple Therapy in Chronic Obstructive Pulmonary Disease (COPD) in Germany – The TriOptimize Study	11
Factors Influencing Compliance with Pulmonary Rehabilitation in Patients with Stable COPD: a Cross Sectional Study	11
Endoscopic Lung Volume Reduction with Valves Improves Cardiovascular Adaptability and 6-MWT Performance in Severely Limited COPD Patients	10
Correlations of Computed Tomography Measurement of Distal Pulmonary Vascular Pruning with Airflow Limitation and Emphysema in COPD Patients	10
Chronic Obstructive Pulmonary Disease and the Management of Cardiopulmonary Risk in the UK: A Systematic Literature Review and Modified Delphi Study	10
Hub Genes PRPF19 and PPIB: Molecular Pathways and Potential Biomarkers in COPD	10
Perceived Acceptability of SPACE for COPD© as a Maintenance Option Following Pulmonary Rehabilitation Discharge: A Qualitative Interview Study with Patients and Facilitators Using Framework Analysis	10
The Association Between Cognitive Functions and Psychological Factors in Patients with Severe COPD	10
Association Between Dietary Selenium Intake and Chronic Obstructive Pulmonary Disease: A Cross-Sectional Study from the National Health and Nutrition Examination Survey 1999–2018	10
Diaphragm Assessment by Multimodal Ultrasound Imaging in Patients with Chronic Obstructive Pulmonary Disease: A Prospective Observational Study	10
Cryptotanshinone Reverses Corticosteroid Insensitivity by Inhibition of Phosphoinositide-3-Kinase-δ in Chronic Obstructive Pulmonary Disease	10
How Does Disease Severity Affect Clinical Outcomes and Economic Burden of Patients with COPD —— A Retrospective Population-Based Cohort Study in Tianjin, China	10
Ginseng Saponin Rb1 Attenuates Cigarette Smoke Exposure-Induced Inflammation, Apoptosis and Oxidative Stress via Activating Nrf2 and Inhibiting NF-κB Signaling Pathways	10
The Relationship of Fractional Exhaled Nitric Oxide in Patients with AECOPD	10
Genetic and Epigenetic Association of Lung Function and Chronic Obstructive Pulmonary Disease-Related Phenotypes in the Korean Genome and Epidemiology Study: A Scoping Review	10
Addressing Barriers to Chronic Obstructive Pulmonary Disease (COPD) Care: Three Innovative Evidence-Based Approaches: A Review	10
Causal Effects of Gut Microbiota and Metabolites on Chronic Obstructive Pulmonary Disease: A Bidirectional Two Sample Mendelian Randomization Study	10
Nonlinear Association Between Monocyte-to-HDL Ratio and Mortality in COPD: Evidence from NHANES	10
Opinion and Knowledge of Pulmonologists, Primary Care Physicians, and Nurses About Inhaled Therapy in COPD. Inhal-Epoc Survey	10
Blood Eosinophils and Clinical Outcomes in Inpatients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease: A Prospective Cohort Study	10
A Retrospective Controlled Study on the Effects of Four-Limb Linkage Training on Clinical Efficacy and Antioxidative Mechanisms in Patients with Chronic Obstructive Pulmonary Disease	10
Research Status and Direction of Chronic Obstructive Pulmonary Disease Complicated with Coronary Heart Disease: A Bibliometric Analysis from 2005 to 2024	10
High BMP7 Expression May Worsen Airway Disease in COPD by Altering Epithelial Cell Behavior	10
Long-Term Usage and Improved Clinical Outcomes with Adoption of a COPD Digital Support Service: Key Findings from the RECEIVER Trial	10
Clinical Application of Ultrasound-Guided Internal Branch of Superior Laryngeal Nerve Block in Patients with Severe COPD Undergoing Awake Fibreoptic Nasotracheal Intubation: A Randomized Controlled Cl	10
Characteristics of Patients Initiated on Budesonide/Glycopyrronium Bromide/Formoterol Fumarate Single Inhaler Triple Therapy for the Treatment of Chronic Obstructive Pulmonary Disease: A Population-Ba	10
Socioeconomic Status Related to Prescription of Triple Therapy and Anticholinergic Monotherapy in Patients with Chronic Obstructive Pulmonary Disease (COPD) in Sweden - A Retrospective National Regist	10
Guidance Value of Procalcitonin Detection in Selecting Switching Points for Sequential Therapy in Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease Complicated by Respiratory F	10
Aerodynamic Simulation of Small Airway Resistance: A New Imaging Biomarker for Chronic Obstructive Pulmonary Disease	10
Chronic Obstructive Pulmonary Disease Influence on Lung Cancer Risk Through Blood Metabolite Mediation: A Two-Sample Mendelian Randomisation and Mediation Analysis	9
Pathological Mechanism and Targeted Drugs of COPD	9
Difference in Respiratory Function Between GOLD Stage 1 and Preserved Ratio Impaired Spirometry as Assessed by Impulse Oscillometry and Spirometry	9
Factors Associated with Chronic Obstructive Pulmonary Disease: A Hospital-Based Case–Control Study	9
Risk Factors Associated with Misuse of Soft Mist Inhaler in Patients with Chronic Obstructive Pulmonary Disease	9
An Exploratory Study of Physician Decision-Making When Treating Uncontrolled COPD	9
Comparing the Performance of Two Screening Questionnaires for Chronic Obstructive Pulmonary Disease in the Chinese General Population	9
Comparison of Tools for Nutrition Assessment in Stable Subjects with Chronic Obstructive Pulmonary Disease: Which is the Best Mortality Predictor in Real Clinical Practice?	9
Re-Defining High Risk COPD with Parameter Response Mapping Based on Machine Learning Models	9
Knowledge of Vaccination Against Influenza and Pneumococcus in Patients with Chronic Obstructive Pulmonary Disease in an Integrated Care Program	9
Taking Charge After Acute Exacerbation of Chronic Obstructive Pulmonary Disease: A Randomized Controlled Feasibility Trial of a Psychologically Informed Self-Management Intervention	9
Real-Life Effectiveness of Aclidinium/Formoterol on COPD Control: The REDACT Observational Study	9
Association Between Body Roundness Index and Chronic Obstructive Pulmonary Disease in US Adults: Data from NHANES 2013–2018	9
The Interface of a Leaky Gut with Reduced Sarcopenia-Related Quality of Life (SarQoL) in Patients with Chronic Obstructive Pulmonary Disease	9
Exercise Prescription Training in Chronic Obstructive Pulmonary Disease: Benefits and Mechanisms	9
Biomarkers (NLR, PLR, SII) for Frequent COPD Exacerbations: Diagnostic and Clinical Management Implications in a Retrospective Study	9
Innovative Applications and Challenges of Artificial Intelligence in the Whole-Course Management of Chronic Obstructive Pulmonary Disease	9
MicroRNA Let-7 Induces M2 Macrophage Polarization in COPD Emphysema Through the IL-6/STAT3 Pathway	9
Circ_0040929 Serves as Promising Biomarker and Potential Target for Chronic Obstructive Pulmonary Disease	9
Effect of Singing on Symptoms in Stable COPD: A Systematic Review and Meta-Analysis	9
Comparative Efficacy of Nutritional Supplements in Modulating Lung Function and Exercise Capacity in COPD Patients: A Network Meta-Analysis	9
Unleashing the Power of Very Small Data to Predict Acute Exacerbations of Chronic Obstructive Pulmonary Disease	9
Diaphragmatic Thickening Fraction and Excursion: Different Clinical Values in Non-Critically Ill Patients with AECOPD — An Exploratory Study	9
Clinical Characteristics and Medical Utilization of Smokers with Preserved Ratio Impaired Spirometry [Response to Letter]	9
Long-Term Follow-Up of Intralobar Bullae After Endobronchial Valve Treatment for Emphysema	9
Neutrophil-to-Lymphocyte Ratio (NLR), Platelet-to-Lymphocyte Ratio (PLR) and Monocyte-to-Lymphocyte Ratio (MLR) as Biomarkers in Diagnosis Evaluation of Acute Exacerbation of Chronic Obstructive Pulmo	9
A Network Meta-Analysis of Aerobic, Resistance, Endurance, and High-Intensity Interval Training to Prioritize Exercise for Stable COPD	9
Treatable Traits in Patients with Obstructive Lung Diseases in a Well-Established Asthma/COPD Service for Primary Care	9
Genetic Insights into the Gut-Lung Axis: Mendelian Randomization Analysis on Gut Microbiota, Lung Function, and COPD	9
Mendelian Randomization Evidence for Relationship and Mediation of Educational Attainment on Chronic Obstructive Pulmonary Disease	9
A Machine Learning–Derived Risk Score Based on Dietary Nutrient Intake for Early Detection and Prognostic Prediction of Preserved Ratio Impaired Spirometry	9
Short-Term Benefits of Smoking Cessation Improve Respiratory Function and Metabolism in Smokers	8
The Importance of the Diaphragm in Neuromotor Function in the Patient with Chronic Obstructive Pulmonary Disease	8
Association Between Urinary Glyphosate Concentrations and Chronic Obstructive Pulmonary Disease in USA Participants: Evidence from NHANES 2013–2018	8
Circular RNA_0025843 Alleviated Cigarette Smoke Extract Induced Bronchoalveolar Epithelial Cells Ferroptosis	8
Association Between the Non-High-Density Lipoprotein Cholesterol-to-High-Density Lipoprotein Cholesterol Ratio (NHHR) and Mortality in Patients with COPD: Evidence From the NHANES 1999–2018	8
A Systematic Review and Meta-Analysis of Immunogenicity and Safety of the Influenza Vaccine in COPD Patients, and Its Relevance with Real-World Effectiveness	8
Elucidating the Relationship Between Body Fat Index and Pulmonary Health: Insights from Cross-Sectional Analysis and Mendelian Randomization	8
Sex Hormones and Chronic Obstructive Pulmonary Disease: A Cross-Sectional Study and Mendelian Randomization Analysis	8
Assessing the Clinical and Functional Status of COPD Patients Using Speech Analysis During and After Exacerbation	8
Knowledge of and Attitudes Towards Standard Care in Patients with COPD	8
Alpha-1 Antitrypsin Gene Variants in Patients without Severe Deficiency Diagnosed with Pulmonary Emphysema on Chest CT	8
Real-World Treatment Patterns and Switching Following Moderate/Severe Chronic Obstructive Pulmonary Disease Exacerbation in Patients with Commercial or Medicare Insurance in the United States	8
Association of Frailty with Patient-Report Outcomes and Major Clinical Determinants in Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease	8
Why the COPD Microbiome Matters: How Airway Microbes Shape Disease Severity and Treatment Response	8
Managing Small Airways Dysfunction in COPD Patients in Real Life Under Fixed Triple Combination of Beclomethasone/Formoterol/Glycopyrronium: The MASCOT Real World Evidence Study	8
Body Composition and COPD: A New Perspective	8
Increased Incidence of Chronic Obstructive Pulmonary Disease in Women Due to Long-Term Passive Smoking	8
Circular RNA Expression of Peripheral Blood Mononuclear Cells Associated with Risk of Acute Exacerbation in Smoking Chronic Obstructive Pulmonary Disease	8
Real-World Effectiveness of Benralizumab Among Patients with Asthma and Concomitant Chronic Obstructive Pulmonary Disease	8
RNA-Sequencing and Bioinformatics Analysis of Exosomal Long Noncoding RNAs Revealed a Novel ceRNA Network in Stable COPD	8