Characteristics of nerve root compression caused by degenerative lumbar stenosis associated with scoliosis
- VernacularTitle:伴有侧凸的退变性腰椎管狭窄症中神经根病的特点
- Author:
Hong LIU
;
Ishihara HIROKAZU
;
Chunde LI
- Publication Type:Journal Article
- Keywords:
Spinal stenosis;
Lumbar vertebrae;
Scoliosis;
Spinal nerve roots
- From:
Chinese Journal of Orthopaedics
2001;0(05):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the factors that may contribute to radiculopathy in degenerative lumbar stenosis associated with scoliosis(DLSS) and their relationship with the pattern of the scoliosis. Methods 22 consecutive DLSS patients with radiculopathy with a mean age of 71 years were analyzed retrospectively. The involved symptomatic roots were judged by pain distribution, neurological findings, nerve root infiltration with lidocaine, and confirmed by intraoperative findings and postoperative alleviation of symptoms. The compression factors were determined by myelography (22 cases), discography (3 cases), CT myelography (14 cases), or CT discography (3 cases), MR (6 cases) and radiculography (14 cases). The upper end vertebra, the lower end vertebra, the Cobb's angle, and the lateral displacement of the vertebrae were measured on the plane radiographs. The vertebral displacement was classified into two groups: slip group (more than 10 mm) and nonslip group (less than 10 mm). Results 5 of L3 nerve roots were affected (14%), L4 roots 15 (42%), L5 roots 12 (33%) and S1 roots 4 (11%). Of these, both L3 and L4, and both L5 and S1 were involved in 5 and 4 patients respectively. L3 and L4 were more compressed by foraminal or extra-foraminal stenosis, while L5 and S1 were commonly affected by lateral recess stenosis (?2=10.08, P
