Artificial intelligence in echocardiography: trends, hotspots and future directions.

BACKGROUND

Artificial intelligence (AI) is revolutionizing echocardiography by enhancing diagnostic accuracy, automating workflows, and addressing operator-dependent variability. Despite advancements, systematic analyses of AI's integration into echocardiography remain limited.

METHODS

We analyzed 1,296 publications from the Web of Science using bibliometrix R. Data included annual trends, author impact, institutional contributions, country contributions, and keyword evolution.

RESULTS

From 2019 to 2024, annual publications increased from 45 to 302, with citations peaking in 2019. The United States and China dominated output. Leading institutions included Mayo Clinic and Harvard University. Key contributors like SENGUPTA PP and LOPEZ-JIMENEZ F focused on AI-driven cardiac parameter quantification and pathology detection. High-frequency keywords highlighted priorities in "diagnosis," "classification," and "heart failure." Thematic evolution revealed a shift from structural abnormality studies (2000-2013) to deep learning applications (2019-2025).

CONCLUSION

From 2019 to 2024, annual publications increased rapidly, reflecting accelerated advancements in AI-driven echocardiography. Key research hotspots encompass automated image analysis, diagnostic classification, prognostic prediction, and workflow optimization, with deep learning models demonstrating significant potential to reduce operator dependency and enhance diagnostic precision. Future research will prioritize three critical challenges: data standardization across heterogeneous sources, development of fully automated diagnostic pipelines, and improving the clinical reliability of AI systems.