ArticleAsian spine journal2024
The insert and revolve technique: a novel approach for inserting cages during unilateral biportal endoscopic assisted fusion surgery for effective spinal alignment restoration.
Article in Asian spine journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Unilateral biportal endoscopy for minimally invasive spinal fusion: Advancements in biomaterials and clinical outcome optimization.World journal of orthopedics · 2025Review
- Minimally invasive biportal endoscopic spinal surgery for central canal stenosis in low-grade degenerative lumbar spondylolisthesis: clinical outcomes and implications: a retrospective observational study.Asian spine journal · 2025Article
- A systematic review of biportal endoscopic spinal surgery with interbody fusion.Asian spine journal · 2025Article
- Evaluation of the value of enhanced recovery after surgery in postoperative recovery following unilateral biportal endoscopic lumbar interbody fusion.American journal of translational research · 2025Article
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6 authors.
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Abstract
STUDY
designRetrospective study. PURPOSE: This study aimed to propose a method of performing unilateral biportal endoscopy (UBE)-assisted interbody cage insertion for fusion using the "insert and revolve" technique and analyze the clinico-radiological outcomes. OVERVIEW OF LITERATURE: UBE-assisted lumbar interbody fusion (ULIF) is a rapidly evolving technique combining the advantages of minimally invasive technique with ease of learning. The limited size of cages was a result of the narrow insertion channel. We propose a technique in which large extreme lateral interbody fusion cages can be inserted through the same opening.
methodsThis study included 104 patients who underwent ULIF using the "insert and revolve technique" between July 2019 and September 2022. The patients were followed up for at least 12 months postoperatively. The clinical outcomes were assessed using the Visual Analog Scale (VAS) for leg pain and back pain, Oswestry Disability Index (ODI), and modified McNab's criteria. Changes in segmental lordosis (SL), intervertebral disc height (IVDH), segmental coronal alignment (SCA), cage subsidence, and fusion grade were evaluated at 6- and 12-month follow-up.
resultsThe VAS scores for leg and back pain and ODI score showed significant improvement. Based on the Macnab's criteria, 97 patients showed excellent outcomes and seven demonstrated good outcomes at 12 months. The mean IVDH increased from 6.3±2 to 10±2.1 mm immediately after surgery and 10±1.1 mm at 6 months. SL improved from 9.3°±11.5° to 17.78°±8.1°, while SCA improved from 7.7°±2.1° to 3.4°±1.2° at 1 year. Moreover, 92 and 11 patients showed grade 1 and 2 fusion, respectively, according to the Bridwell grading at 1 year.
conclusionsThe "insert and revolve technique" facilitates the successful insertion of large cages, contributing to the restoration of disc height and coronal and sagittal spinal correction with favorable fusion rates.
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