Abstract: BACKGROUND: As a new minimally invasive spine technique, unilateral biportal endoscopic technology has been successfully applied to the treatment of various lumbar diseases.
OBJECTIVE: From the perspective of bibliometrics, this paper was to intuitively analyze the hotspots and research trends of unilateral biportal endoscopic technology in the treatment of lumbar diseases in the world, in order to provide new insights for future research. 
METHODS: Web of Science Core Collection database was used to retrieve and download the publications on the application of unilateral biportal endoscopic technology in the treatment of lumbar diseases from January 1, 2015 to December 31, 2024. VOSviewer, CiteSpace, and Microsoft Excel were used to conduct this bibliometric analysis. The publication volume, countries/regions, institutions, authors, journals, references, and keywords were analyzed to identify significant features, providing new insights and scientific research ideas for the future use of unilateral biportal endoscopic technology in the treatment of lumbar degenerative diseases.  

RESULTS AND CONCLUSION: (1) A total of 265 articles were included, and the number of annual publications increased steadily. These documents mainly come from 706 institutions in 56 countries/regions headed by China. Hallym University in Korea has the most publications. Dong Hwa Heo is the author who has published the most articles. WORLD NEUROSURGERY is the most published periodical. (2) The analysis results of highly cited and strong sudden references show the superiority of unilateral biportal endoscopic technology, which is considered as an alternative treatment for lumbar degenerative diseases. (3) Keyword analysis showed that decompression was the most frequent keyword. Key words are mainly divided into eight clusters: endoscopic spinal surgery, bilateral decompression, back muscle injury, minimally invasive surgery, foraminal stenosis, unilateral biportal endoscopic technology, research trends, and endoscopic surgical procedure. (4) The research on the treatment of lumbar diseases by unilateral biportal endoscopic technology has shown an upward trend in recent years. Unilateral biportal endoscopic technology is mainly used in decompression, discectomy and laminectomy, and its main diseases are lumbar spinal stenosis and lumbar disc herniation. The research in this field is still in its infancy, and scholars are constantly exploring the adaptation of unilateral biportal endoscopic technology to surgery and clinical effects, while its complications have attracted much attention. (5) In recent years, the research focus in this field has focused on unilateral biportal endoscopic technology in the treatment of adjacent segmental degenerative diseases. The popularization rate of unilateral biportal endoscopic technology in the world is still low, and the national conditions and the training of high-level technicians may be the limiting reasons. In the future, China should strengthen international academic cooperation and technology introduction, slow down the pace of technology expansion, improve the quality of research, standardize operations and formulate expert consensus. A large number of prospective randomized controlled trials are needed. 

Key words: ">unilateral biportal endoscopic technology, lumbar degenerative disease, lumbar surgery, bibliometrics