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 2021-11-01 to 2025-11-01.)

Article	Citations
The Association Between COPD, Acute Exacerbations of COPD, and Survival in COPD, with Fat-Free Body Mass Index: A Systematic Review and Meta-Analysis	106
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	103
Withholding of Life-Sustaining Treatment and Mortality in ICU Patients with Severe Acute COPD Exacerbations: A Retrospective French Cohort	83
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	61
Dynamic Risk Status of OSA and Its Association with COPD Incidence and Progression to Oxygen Therapy: Insights from a US National Cohort	49
Contributions of Emphysema and Functional Small Airway Disease on Intrapulmonary Vascular Volume in COPD	49
Elevated Blood Glucose is Associated with Severe Exacerbation of Chronic Obstructive Pulmonary Disease	47
External Validation and User Experiences of the ProPal-COPD Tool to Identify the Palliative Phase in COPD	47
COPD and Immune Checkpoint Inhibitors for Cancer: A Literature Review	47
RNA Sequencing and Related Differential Gene Expression Analysis in a Mouse Model of Emphysema Induced by Tobacco Smoke Combined with Elastin Peptides	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-	42
Predictive Role of White Blood Cell Differential Count for the Development of Acute Exacerbation in Korean Chronic Obstructive Pulmonary Disease	40
Inducible Costimulator-C-X-C Motif Chemokine Receptor 3 Signaling is Involved in Chronic Obstructive Pulmonary Disease Pathogenesis	40
Analysis of the Current State of COPD Nursing Based on a Bibliometric Approach from the Web of Science	38
Overcoming Therapeutic Inertia to Reduce the Risk of COPD Exacerbations: Four Action Points for Healthcare Professionals	38
Cost-Effectiveness of Single- versus Multiple-Inhaler Triple Therapy in a UK COPD Population: The INTREPID Trial	36
Healthcare Utilization in Patients with Chronic Obstructive Pulmonary Disease Discharged from Coronavirus 2019 Hospitalization	35
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	35
Race-Based Pulmonary Function Testing Correction in COPD Inhaler Therapy Trials: A Systematic Review	34
Patient Perceptions of Switching to a Generic Dry Powder Inhaler – Increased Understanding Through Journey Mapping [Corrigendum]	34
Hand Grip Strength and Likelihood of Moderate-to-Severe Airflow Limitation in the General Population	33
The Activation of M1 Macrophages is Associated with the JNK-m6A-p38 Axis in Chronic Obstructive Pulmonary Disease	32
Efficacy of mRNA and Inactivated Whole Virus Vaccines Against COVID-19 in Patients with Chronic Respiratory Diseases	30
Anxiety and Depression in Patients with Chronic Obstructive Pulmonary Disease in China: Results from the China Pulmonary Health [CPH] Study	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

Current Progress of COPD Early Detection: Key Points and Novel Strategies	29
Prospective Evaluation of Exacerbations Associated with Suboptimal Peak Inspiratory Flow Among Stable Outpatients with COPD	29
Comorbid Heart Disease in Patients with COPD is Associated with Increased Hospitalization and Mortality – A 15-Year Follow-Up	29
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	28