[Single-portal endoscopic decompression for degenerative lumbosacral spinal stenosis: a prospective single-center study].
BACKGROUND Degenerative lumbosacral spinal stenosis is one of the leading causes of chronic pain and disability in elderly patients. Single-portal endoscopic interlaminar bilateral decompression is a promising minimally invasive method. However, prospective data are limited. MATERIAL AND METHODS A single-center prosp...