OOIR: Observatory of International Research

Papers

(The median citation count of COPD-Journal of Chronic Obstructive Pulmonary Disease is 2. 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 2021-08-01 to 2025-08-01.)

Article	Citations
Characteristics of COPD Patients Prescribed ICS Managed in General Practice vs. Secondary Care	27
RNA-Binding Proteins as a Molecular Link between COPD and Lung Cancer	24
Prevalence and Newly Diagnosed Rates of Multimorbidity in Older Medicare Beneficiaries with COPD	24
Trends in Incidence, and Mortality of Acute Exacerbation of Chronic Obstructive Pulmonary Disease in the United States Emergency Department (2010–2018)	23
Risk Factors for Adults with Chronic Obstructive Pulmonary Disease in the United States, Utilizing State-Based Surveillance	22
Comorbidity Patterns in Chronic Obstructive Pulmonary Disease and Their Associations with Service Utilization	20
Knockdown of RTEL1 Alleviates Chronic Obstructive Pulmonary Disease by Modulating M1, M2 Macrophage Polarization and Inflammation	18
Relationship between Depression and Anxiety, Health Status and Lung Function in Patients with Alpha-1 Antitrypsin Deficiency	17
Beyond Spirometry: Linking Wasted Ventilation to Exertional Dyspnea in the Initial Stages of COPD	17
2025 GOLD Report: What is New and What is Noteworthy for the Practicing Clinician	16
Transfer of Invitro CD4 + T Cells with Hypomethylation of Perforin Promoter into Rats’ Abdomens Causes Autoimmune Emphysema	15
Prognosis after Intensive Care for COPD Exacerbation in Relation to Long-Term Oxygen Therapy: A Nationwide Cohort Study	15
Development and Validation of a Screening Questionnaire of COPD from a Large Epidemiological Study in China	14
Barriers to Prescribing Opioids in the Management of Chronic Breathlessness in COPD: A Review	12
Development of Multivariable Prediction Models for the Identification of Patients Admitted to Hospital with an Exacerbation of COPD and the Prediction of Risk of Readmission: A Retrospective Cohort St	12
Frailty Impact during and after Pulmonary Rehabilitation	11
Pharmacologic Treatment of COPD: Disparities Between Evidence and Recommendations in GOLD 2023/4	11
Biologics in COPD: The Road is Still Long and Winding	11
Current Knowledge of Asthma-COPD Overlap (ACO) Genetic Risk Factors, Characteristics, and Prognosis	11
Features of COPD That Lead to Stigmatisation and Its Consequences: A Framework Synthesis	10
Prevalence, Trend, and Risk Factors for Early Chronic Obstructive Pulmonary Disease: An Analysis of the Nationwide Population-Based Survey from 2010 to 2019 in South Korea	10
Linking Chronic Obstructive Pulmonary Disease and Asthma with Gallstones: Evidence from a Cross-Sectional Study and Mendelian Randomization	10
EQ-5D Based Utility Values for Adults with Chronic Obstructive Pulmonary Disease: A Systematic Review, Meta-Analysis, and Meta-Regression	10
Optimizing the Diagnostic Algorithm for Pulmonary Embolism in Acute COPD Exacerbation Using Fuzzy Rough Sets and Support Vector Machine	10
Patients’ Perspective on Automated Oxygen Administration during Hospitalization for Acute Exacerbation of Chronic Obstructive Pulmonary Disease: A Qualitative Study Nested in a Randomized Controlled T	9

The Association between Fat-Free Mass and Exercise Test Outcomes in People with Chronic Obstructive Pulmonary Disease: A Systematic Review	9
Cigarette Smoke or Motor Vehicle Exhaust Exposure Induces PD-L1 Upregulation in Lung Epithelial Cells in COPD Model Rats	9
What Are the Experiences of People with COPD Using Activity Monitors?: A Qualitative Scoping Review	9
Meta-Analysis of the Effect of Aerobic Exercise Combined with Respiratory Training on Stable Chronic Obstructive Pulmonary Disease	9
Evaluation of Blood Markers at Admission for Predicting Community Acquired Pneumonia in Chronic Obstructive Pulmonary Disease	9
Implication of RAGE Polymorphic Variants in COPD Complication and Anti-COPD Therapeutic Potential of sRAGE	8
Comparative Efficacy of Budesonide/Formoterol Versus Fluticasone/Salmeterol in Patients With Moderate-to-Severe Chronic Obstructive Pulmonary Disease: A Systematic Review and Meta-Analysis	8
Chest MRI and CT Predictors of 10-Year All-Cause Mortality in COPD	8
Cough Assessment and Management in Pulmonary Rehabilitation– A Canadian Survey	8
Association between Galectin-13 Expression and Eosinophilic Airway Inflammation in Chronic Obstructive Pulmonary Disease	8
Physiological Impairments on Respiratory Oscillometry and Future Exacerbations in Chronic Obstructive Pulmonary Disease Patients without a History of Frequent Exacerbations	7
The Influence of Breathing Exercises on Regional Ventilation in Healthy and Patients with Chronic Obstructive Pulmonary Disease	7
Assessment of the Relationship Between Genetic Determinants of Obesity, Unhealthy Eating Habits and Chronic Obstructive Pulmonary Disease: A Mendelian Randomisation Study	7
Burden of Chronic Obstructive Pulmonary Disease in China: A Global Burden of Disease Study on Temporal Trends, Risk Factor Contributions, and Projected Disease Burden from 1990 to 2030	7
Understanding the Unmet Needs, Experiences, and Perspectives of COPD Caregivers: A Scoping Review	7
Social Distancing among COPD Patients during the COVID-19 Pandemic – A Qualitative Study	7
Increasing Daily Physical Activity and Its Effects on QTc Time in Severe to Very Severe COPD: A Secondary Analysis of a Randomised Controlled Trial	7
The Application of Self-Made Disseminating and Descending Breathing Exercises in Home Rehabilitation of Stable COPD	7
Effects of Home-Based Pulmonary Rehabilitation on Dyspnea, Exercise Capacity, Quality of Life and Impact of the Disease in COPD Patients: A Systematic Review	6
Expression and Predictive Value of Angiopoietin-2 in Pulmonary Hypertension Associated with Chronic Obstructive Pulmonary Disease	6
Dendritic Cells Promote the Differentiation of ILCs into NCR ⁻ ILC3s in the Lungs of Mice Exposed to Cigarette Smoke	6
Integrative Analyses of Mendelian Randomization and Transcriptomic Data Reveal No Association between Leptin and Chronic Obstructive Pulmonary Disease	6
Do Functional Tests Estimate Physical Activity in COPD?	6
The Experience of Automated Home Oxygen Therapy for Patients With COPD – A Qualitative Study	6
Biologic Therapies for Chronic Obstructive Pulmonary Disease: A Systematic Review and Network Meta-Analysis of Randomized Controlled Trials	6
Assessing the Causal Role of Walking Pace and Hand Grip Strength with Chronic Obstructive Pulmonary Disease Hospital: A Mendelian Randomization Study	6
Association of Body Mass Index and Abdominal Obesity with the Risk of Airflow Obstruction: National Health and Nutrition Examination Survey (NHANES) 2007–2012	5
Machine-Learning Model Identifies Patients With Alpha-1 Antitrypsin Deficiency Using Claims Records	5
A Scoping Review of Factors Influencing Smoking Cessation in Patients with Chronic Obstructive Pulmonary Disease	5
Validation of Clinical COPD Phenotypes for Prognosis of Long-Term Mortality in Swedish and Dutch Cohorts	5
The Relationship between Physical Activity, Depression and Anxiety in People with COPD: A Systematic Review and Meta-analyses	5
The Microbiome in Bronchial Biopsies from Smokers and Ex-Smokers with Stable COPD - A Metatranscriptomic Approach	5
Effectiveness of Interventions to Reduce Sedentary Behaviour in People with Chronic Obstructive Pulmonary Disease: A Systematic Review of Randomised Controlled Trials	5
Predicting Mortality in COPD with Validated and Sensitive Biomarkers; Fibrinogen and Mid-Range-Proadrenomedullin (MR-proADM)	5
Facilitators and Barriers of Adherence to Multi-Disease Exacerbation Action Plans in COPD Patients – A Qualitative Study	5
The Study of the Influence of IL5RA Variants on Chronic Obstructive Pulmonary Disease	5
FOXO3 Activation Prevents Cellular Senescence in Emphysema Induced by Cigarette Smoke	4
The Effect of Cigarette Smoke Exposure on Efferocytosis in Chronic Obstructive Pulmonary Disease; Molecular Mechanisms and Treatment Opportunities	4
Beclometasone Dipropionate/Formoterol Fumarate is Similarly Effective to Budesonide/Formoterol Fumarate in Chinese Patients with COPD: The FORSYYN Double-Blind, Randomised Study	4
Association of PM2.5 and PM10 with Acute Exacerbation of Chronic Obstructive Pulmonary Disease at lag0 to lag7: A Systematic Review and Meta-Analysis	4
Sex-Specific Genetic Determinants of Asthma-COPD Phenotype and COPD in Middle-Aged and Older Canadian Adults: An Analysis of CLSA Data	4
Body Composition and Pulmonary Diseases	4
Usefulness of Glucose to Lymphocyte Ratio to Predict in-Hospital Mortality in Patients with AECOPD Admitted to the Intensive Care Unit	4
Body Composition, Physical Function and Exercise Capacity in Chronic Obstructive Pulmonary Disease	4
Patients with Chronic Obstructive Pulmonary Disease Can Accurately Perform Home-Based Measurements of Inspiratory Capacity and Dynamic Hyperinflation	4
Knowledge Domain and Emerging Trends in the Treatment of Patients with Chronic Obstructive Pulmonary Disease Combined with Respiratory Failure: A Scientometric Review Based on CiteSpace Analysis	4
Microbiome Links Cigarette Smoke-Induced Chronic Obstructive Pulmonary Disease and Dietary Fiber via the Gut-Lung Axis: A Narrative Review	4
Evaluating the Impact of Triple Therapy on Mortality in Copd: The End is the Beginning?	4
Obstructive Sleep Apnea in Patients with Chronic Obstructive Pulmonary Disease: Facts and Perspectives	3
Can Passive Cough Monitoring Predict COPD Exacerbations?	3

Incidence and Healthcare Burden of Pertussis among Older Adults with and without Pre-Existing Chronic Obstructive Pulmonary Disease or Asthma in South Korea	3
Upper Limb Anaerobic Metabolism Capacity is Reduced in Mild and Moderate COPD Patients	3
Alterations in Adiponectin Expression in Models of Cigarette Smoke Extract-Induced Mouse Pulmonary Emphysema and Alveolar Epithelial Cell Injury	3
Risk of Severe Exacerbation Associated with Gabapentinoid Use in Patients with Chronic Obstructive Pulmonary Disease: A Population-Based Cohort Study	3
Sleep Hypoventilation is Common in Diurnal Normocapnic COPD Patients with Severe or Very Severe Obstruction and is Not Associated with Body Mass Index	3
Causal Role of Immune Cells in Chronic Obstructive Pulmonary Disease: A Two-Sample Mendelian Randomization Study	3
Does Transient Opioid Use Increase Risk of Short-Term Respiratory Exacerbation among Older Adults with Chronic Obstructive Pulmonary Disease?	3
Relationship Between Chronic Obstructive Pulmonary Disease and Osteoporosis: A Scoping Review	3
Real World Study on the Reasons for eScalation or de-Escalation of Inhaled ThEraPies in COPD Patients: the STEPINCOPD Multicenter Observational Study	3
PTD-FGF2 Attenuates Elastase Induced Emphysema in Mice and Alveolar Epithelial Cell Injury	3
Proposal for a 4-Level Classification System of Severe COPD Exacerbation According to Healthcare Resource Utilization	3
Efficacy and Safety of Lung Volume Reduction with Endobronchial Coil #2 and Coil #4 Results of the German Emphysema Registry—Lungenemphysemregister e.V.	2
Self-Reported Physician Diagnosed Asthma with COPD is Associated with Higher Mortality than Self-Reported Asthma or COPD Alone – A Prospective 24-Year Study in the Population of Helsinki, Finland	2
Use, Effectiveness, and Safety of Inhaler Devices for LABA/LAMA Fixed-Dose Combinations in Patients with COPD	2
Prevalence, Pattern, Risks Factors and Consequences of Antibiotic Resistance in COPD: A Systematic Review	2
Changes in Hospital Admissions of Patients with COPD in Poland: A 14-Year Nationwide Analysis (2006–2019)	2
Prognostic Value of Serum Cholinesterase Levels for In-Hospital Mortality among Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease	2
Performance in the Glittre-ADL Test is Associated with the Pulmonary Function of Patients with Chronic Obstructive Pulmonary Disease	2
Intra- and Inter-Rater Reproducibility of the Face-to-Face and Tele-Assessment of Timed-up and Go and 5-Times Sit-to-Stand Tests in Patients with Chronic Obstructive Pulmonary Disease	2
Short- and Long-Term Impact of Prior Chronic Obstructive Pulmonary Disease Exacerbations on Healthcare Resource Utilization and Related Costs: An Observational Study (SHERLOCK)	2
Effectiveness of Aspirin on Major COPD Outcomes: A Prevalent New-User Design Observational Study	2
Community Participation by People with Chronic Obstructive Pulmonary Disease	2
COPD Assessment Test as a Screening Tool for Anxiety and Depression in Stable COPD Patients: A Feasibility Study	2
Screening Tools for Depression and Anxiety in Patients with Chronic Obstructive Pulmonary Disease – A Systematic Review	2
Effects of Phosphodiesterase-5 Inhibitors in Patients with Chronic Obstructive Pulmonary Disease: A Systematic Review and Meta-Analysis	2
Alleviatory Role of Panax Notoginseng Saponins in Modulating Inflammation and Pulmonary Vascular Remodeling in Chronic Obstructive Pulmonary Disease: mechanisms and Impl	2
Roles of ABCA1 in Chronic Obstructive Pulmonary Disease	2
In a Strained Healthcare System, Patients with Advanced COPD Struggle to Access the Needed Support from the Healthcare Professionals – A Qualitative Study	2
Mechanisms of Exertional Dyspnea in Patients with Mild COPD and a Low Resting DL_CO	2
Triple Inhaler versus Dual Bronchodilator Therapy in COPD: Real-World Effectiveness on Mortality	2
Time-Course of Changes in Multidimensional Fatigue and Functional Exercise Capacity and Their Associations during a Short Inpatient Pulmonary Rehabilitation Program	2
LncRNA H19 Contributes to Smoke-Related Chronic Obstructive Pulmonary Disease by Targeting miR-181/PDCD4 Axis	2
Recognizing the Shades of Grey in the Diagnosis of COPD	2
Identification and Validation of Aging Related Genes Signature in Chronic Obstructive Pulmonary Disease	2