测定了健康个体脑脊髓液(CSF)和血清中硫胺素化合物、抗坏血酸和叶酸的浓度,并评价了它们之间的比率。受试者CSF、全血、血清样本采自31名门诊进行脊髓X线造影的病人,其中男20人,女11人,年龄48.0±14.7岁(范围21～83岁)。另从此类病人(男6人,女9人)中采集15份CSF样本,但未采血样。受试者中腰椎盘突出24人、脊椎狭窄6人、退行性变3人、脊椎前 The concentration of thiamine compounds, ascorbic acid and folic acid in cerebrospinal fluid (CSF) and serum of healthy individuals was measured and the ratio between them was evaluated. Subjects CSF, whole blood, serum samples were collected from 31 outpatients for spinal cord radiography patients, including 20 males and 11 females, aged 48.0 ± 14.7 years (range 21 to 83 years). Another 15 CSF samples were collected from such patients (6 males and 9 females) but no blood samples were taken. Subjects in the lumbar disc herniation 24 people, 6 people with spinal stenosis, degenerative changes in 3, before the spine