OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Chronic Obstructive Pulmonary Disease is 28. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Withholding of Life-Sustaining Treatment and Mortality in ICU Patients with Severe Acute COPD Exacerbations: A Retrospective French Cohort	111
The Association Between COPD, Acute Exacerbations of COPD, and Survival in COPD, with Fat-Free Body Mass Index: A Systematic Review and Meta-Analysis	111
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	97
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	69
Contributions of Emphysema and Functional Small Airway Disease on Intrapulmonary Vascular Volume in COPD	56
External Validation and User Experiences of the ProPal-COPD Tool to Identify the Palliative Phase in COPD	54
RNA Sequencing and Related Differential Gene Expression Analysis in a Mouse Model of Emphysema Induced by Tobacco Smoke Combined with Elastin Peptides	52
Cost-Effectiveness of Single- versus Multiple-Inhaler Triple Therapy in a UK COPD Population: The INTREPID Trial	51
Effects of Diabetes Mellitus and Glycemic Traits on COPD and Pulmonary Function Traits: Insights From Mendelian Randomization and NHANES	47
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	45
Analysis of the Current State of COPD Nursing Based on a Bibliometric Approach from the Web of Science	42
Patient Perceptions of Switching to a Generic Dry Powder Inhaler – Increased Understanding Through Journey Mapping [Corrigendum]	42
Race-Based Pulmonary Function Testing Correction in COPD Inhaler Therapy Trials: A Systematic Review	41
Efficacy of mRNA and Inactivated Whole Virus Vaccines Against COVID-19 in Patients with Chronic Respiratory Diseases	40
Dynamic Risk Status of OSA and Its Association with COPD Incidence and Progression to Oxygen Therapy: Insights from a US National Cohort	38
Elevated Blood Glucose is Associated with Severe Exacerbation of Chronic Obstructive Pulmonary Disease	38
Healthcare Utilization in Patients with Chronic Obstructive Pulmonary Disease Discharged from Coronavirus 2019 Hospitalization	37
Inducible Costimulator-C-X-C Motif Chemokine Receptor 3 Signaling is Involved in Chronic Obstructive Pulmonary Disease Pathogenesis	37
Impact of Chronic Obstructive Pulmonary Disease on Mortality Rates After Hip Pertrochanteric Fracture: A Nationwide Population-Based Cohort Study	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
Comorbid Heart Disease in Patients with COPD is Associated with Increased Hospitalization and Mortality – A 15-Year Follow-Up	31
COPD and Immune Checkpoint Inhibitors for Cancer: A Literature Review	31
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-	31
Hand Grip Strength and Likelihood of Moderate-to-Severe Airflow Limitation in the General Population	31
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

Predictive Role of White Blood Cell Differential Count for the Development of Acute Exacerbation in Korean Chronic Obstructive Pulmonary Disease	30
Prospective Evaluation of Exacerbations Associated with Suboptimal Peak Inspiratory Flow Among Stable Outpatients with COPD	29
The Activation of M1 Macrophages is Associated with the JNK-m6A-p38 Axis in Chronic Obstructive Pulmonary Disease	29
Reducing Fall Risk in Older Adults with COPD: Pilot Study to Test the Efficacy of a Home-Based Exercise Program with Virtual Care Support	28
Estimating the Prevalence of AATD Patients in the UK to Identify Underdiagnosis and Determine the Eligibility for Potential Augmentation Therapy	28
Current Progress of COPD Early Detection: Key Points and Novel Strategies	28
Are We Missing the Opportunity to Disseminate GOLD Recommendations Through AECOPD Discharge Letters?	28