Midterm Clinical and Radiologic Outcomes after Percutaneous Interspinous Spacer Treatment for Neurogenic Intermittent Claudication

Patients with NIC who failed conservative treatment and were treated with percutaneous IPS achieved significant gains in pain relief and reduced disability that remained durable at 3-year clinical follow-up evaluation. This outcome was accompanied by significant increases in spinal canal and foraminal cross-sectional areas at the treated level.