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The cardiovascular system at high altitude: A bibliometric and visualization analysis
Mao-Lin Zhao1, Zhong-Jie Lu1, Li Yang1
1Department of Cardiovascular Surgery, The General Hospital of Western Theater Command, College of Medicine, Southwest Jiaotong University, Chengdu 610083, Sichuan Province, China.
Research on high-altitude cardiovascular changes is growing. Key areas include hypoxia, exercise, and acclimatization, with future studies focusing on adaptation and metabolism.
Area of Science:
- Cardiovascular Physiology
- High-Altitude Medicine
- Bibliometrics
Background:
- Cardiovascular system adaptations to high altitude are complex and debated.
- Understanding these changes is crucial for health and performance at elevation.
Purpose of the Study:
- To analyze trends and identify key research areas in high-altitude cardiovascular studies.
- To provide a bibliometric overview of the field from 1990-2022.
Main Methods:
- Systematic literature search of Web of Science Core Collection.
- Bibliometric and visualization analysis using CiteSpace and VOSviewer.
Main Results:
- 1674 publications from 1990-2022 show increasing research output.
- USA leads in contributions; Universidad Peruana Cayetano Heredia is the top institution.
- Hypoxia, exercise, acclimatization, and pulmonary hypertension are key research themes.
Conclusions:
- Research on high-altitude cardiovascular system is expanding.
- Future research should explore hypoxia adaptation, metabolism, and cardiopulmonary exercise.
- Interdisciplinary collaboration is vital for understanding mechanisms and improving treatment.
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