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Long COVID Research, 2020-2024: A PubMed-Based Bibliometric Analysis
Cristina Honorato-Cia1,2, Elena Cacho-Asenjo1,2, Antonio Martinez-Simon1,2
1Department of Anaesthesia and Critical Care, Clínica Universidad de Navarra, 31008 Pamplona, Spain.
Healthcare (Basel, Switzerland)
|February 13, 2025
Summary
Long COVID, a chronic condition post-SARS-CoV-2 infection, has a low but growing publication rate. Research focuses on treatment and mechanisms, with case reports being distinctive.
Area of Science:
- Infectious Diseases
- Public Health
- Bibliometrics
Background:
- Long COVID, a chronic condition following SARS-CoV-2 infection, presents significant health and socioeconomic challenges.
- The rapid increase in COVID-19 research necessitates bibliometric analysis to understand specific subfields like Long COVID.
- Effective management of Long COVID requires a clear understanding of the research landscape.
Purpose of the Study:
- To conduct a large-scale bibliometric analysis of Long COVID publications within the broader COVID-19 literature.
- To update the profile of Long COVID research up to December 2024.
- To identify key research topics, publication trends, and prolific journals in Long COVID.
Main Methods:
- PubMed database was utilized for data extraction.
- A comprehensive bibliometric analysis was performed on over 390,000 COVID-19 publications.
- Publications specifically related to Long COVID were identified and analyzed.
Main Results:
- Long COVID publications constituted a small fraction (2.3%) of all COVID-19 research, totaling 8,928 articles.
- "Treatment" and "mechanism" are the most prevalent research topics in Long COVID literature.
- Long COVID research shows a distinct profile with a higher proportion of "case report" and "mechanism" studies compared to general COVID-19 research. Prolific journals were also identified.
Conclusions:
- Long COVID research, while a small subset of COVID-19 studies, presents unique characteristics and requires dedicated information management.
- The identified research trends and prolific journals can guide future research directions and improve the visibility of Long COVID studies.
- This bibliometric analysis aids in navigating and managing the expanding body of scientific knowledge on Long COVID.
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