Treatment of the Moderate Lumbar Spinal Stenosis with an Intespinous Distraction Device IMPALA

Abstract

Introduction: The aim of this study was the evaluation of symptom improvements in patients with moderate lumbar spinal stenosis, who consecutively underwent placement of interspinous distraction device
IMPALA®.
Methods: This study included a total of 11 adult patients with moderate lumbar spinal stenosis. Clinical evaluations were performed preoperatively and 3-months after surgery using the Visual Analogue Scale (VAS) and Oswestry Disability Index (ODI).
Results: The mean preoperative VAS was 7.09 and fell to 2.27 a 3-months after surgery. The mean preoperative ODI was 59.45 fell to 20.72 a 3-months after surgery.
Conclusions: Using the IMPALA® device in patients with moderate lumbar spinal stenosis is a minimal invasive, effective and safe procedure. Clinical symptoms were improved 3 months after surgery.