Comparative Study Between Uniportal Full-Endoscopic Interlaminar and Tubular Approach in the Treatment of Lumbar Spinal Stenosis: A Pilot Study.

Study Design: Multicenter, prospective, randomized, and double-blinded study.

Objectives: To compare tubular and endoscopic interlaminar approach.

Methods: Patients with lumbar spinal stenosis and neurogenic claudication of were randomized to tubular or endoscopic technique.