Five-year outcomes from a multi-center prospective randomized controlled trial of minimally invasive interspinous fixation versus open direct decompression for lumbar spinal stenosis
Background Interspinous fixation devices (IFDs) provide indirect decompression and stabilization for lumbar spinal stenosis (LSS) and are potentially less invasive than open decompression, but long-term comparative data are limited. Objective To evaluate the long-term clinical efficacy, safety, and perioperative outcom...