Percutaneous Unilateral Biportal Endoscopic Spine Surgery Using a 30-Degree Arthroscope in Patients With Severe Lumbar Spinal Stenosis: A Technical Note.

ABSTRACT:

Background

Unilateral biportal endoscopic surgery (UBESS) for severe lumbar central canal stenosis (LCCS) remains challenging.

Objective

To describe the use of UBESS with a 30-degree arthroscope in patients with severe LCCS.

Materials and methods

Working and viewing portals were created in each unilateral paravertebral area at the target interlaminar level. After ensuring the visual field with a 30-degree arthroscope, effective tissue removal was possible through safe access to the bilateral hypertrophic yellow ligament with minimal osteotomy. The authors evaluated 58 patients and analyzed the clinical outcomes using the visual analog scale, Macnab criteria, and self-predicted walking distance.

Results

The visual analog scale scores for low back and leg pains d

SUBMITTER: Kim N 

PROVIDER: S-EPMC6791497 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature