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Enhanced Recovery After Cardiac Surgery: A Bibliometric Analysis With Emphasis on Perioperative and Anesthetic
Shuo Huang1, Mark Chao2, Xian-Shu Zhao1
1Department of Anesthesiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China; The Evidence in Cardiovascular Anesthesia (EICA) Group, Beijing, China.
Journal of Cardiothoracic and Vascular Anesthesia
|July 16, 2026
Summary
Research on enhanced recovery after cardiac surgery (ERACS) is rapidly expanding, shifting towards integrated perioperative care. However, more high-quality studies are needed to support clinical practice.
Area of Science:
- Cardiology
- Surgical Innovation
- Evidence-Based Medicine
Background:
- Enhanced Recovery After Cardiac Surgery (ERACS) protocols aim to optimize patient outcomes.
- Understanding the global research trends in ERACS is crucial for advancing the field.
Purpose of the Study:
- To systematically characterize the global research landscape and emerging trends in ERACS.
- To identify key research themes and shifts in focus over time.
Main Methods:
- Bibliometric analysis of publications from the Web of Science Core Collection.
- Inclusion of 725 publications related to ERACS between 1979 and 2026.
- Co-occurrence, clustering, and temporal keyword analyses were employed.
Main Results:
- Significant increase in ERACS publications after 2015, indicating heightened research interest.
- United States and Canada lead in productivity and academic influence.
- Key research themes include minimally invasive cardiac surgery, multimodal analgesia, perioperative management, and postoperative complications.
- Research focus shifted from early extubation to comprehensive perioperative care pathways.
- Limited high-quality randomized evidence despite field expansion.
Conclusions:
- The ERACS research landscape is dynamic and expanding, with a trend towards integrated perioperative care models.
- Further high-quality studies are essential to bolster the evidence base for ERACS.
- Strengthening evidence is critical for effective clinical implementation of ERACS protocols.
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