What question did this study set out to answer?

To conduct a comprehensive bibliometric analysis of chronic obstructive pulmonary disease research in the ICU over 25 years.

A Quarter-Century of Chronic Obstructive Pulmonary Disease in the Intensive Care Unit (2000–2025): A Bibliometric Roadmap of Thematic Evolution and Future Frontiers

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Bibliometric analysis maps the evolution of COPD research in the ICU, suggesting future directions for care optimization.

To conduct a comprehensive bibliometric analysis of chronic obstructive pulmonary disease research in the ICU over 25 years.
Analyzed 2,512 publications from the Web of Science Core Collection from 2000 to 2025.
Utilized VOSviewer and CiteSpace for publication trend analysis and collaboration mapping.
Assessed co-citation networks and keyword bursts to identify thematic evolution.
Annual publications show consistent growth, with accelerated increase after 2019.
Identified leading contributors from the US, China, and France, highlighting strong international collaboration.
The research focus has shifted from mechanical ventilation to non-invasive strategies and outcomes management.

Chen et al. (2026) studied this question.

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