Senile lumbar spinal stenosis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Over 60 years old, regardless of gender; 2. Clearly diagnosed as lumbar spinal stenosis, but invalid or aggravated after strict formal conservative treatment, and TLIF surgery is required according to clinical guidelines and operation indication; 3. No previous lumbar surgery history due to lumbar diseases; 4. Patient fully understands the content and requirements of this clinical study, and be able to complete the corresponding follow-up in accordance with the schedule; 5. Volunteer to participate in clinical trials and sign informed consent.
Exclusion criteria
Exclusion criteria: 1. Patient with systemic infection, or local infection, incurable malignant tumor at the target surgical site 2. Patient with neurological diseases or diseases that may affect clinical evaluation; 3. Patient with other non-degenerative lumbar diseases, such as lumbar spondylitis and ankylosing spondylitis; 4. Patient with a operation history of responsible vertebrea; 5. Patient has internal plant allergy, or the clinical taboo of pedicle screw fixation judged by researcher; 6. Patient with benign or malignant tumors, tuberculosis, infection and other diseases in the target vertebrae that affect clinical evaluation 7. Patient fails to follow doctor's advice and complete 2-year follow-up, or life expectancy less than 2 years due to various reasons; 8. Bibulosity within one year (mean daily > 40g, equivalent to 100ml of 50c liquor), smoking >= 40 cigarettes/day, or substance abuse; 9. Patient participating in other drugs or instruments clinical trial, and the effect of drugs and instruments on clinical efficacy cannot be determined. 10. Patient with other circumstances inappropriate to participate in this study considered by some researchers.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| JOA;SF-36;VAS; | — |
Secondary
| Measure | Time frame |
|---|---|
| multifidus atrophy;fusion rate; | — |
Countries
China
Contacts
Shanghai General Hospital