The Research Of Degenerative Lumbar Spinal Stenosis Combined With Lumbar Instability On The Non Therapeutic Factors Of Failed Back Surgery Syndrome

Objective: To study the related risk factors of Degenerative lumb ar spinal stenosis combined with lumbar instability,in the hope of a better forecasting the occurrence of failed back surgery syndrome(FBS S).Methods: Retrospective and analysis the patients underwent spine surgery in our hospital from November 2012 to June 2015.According t o the patients’ symptoms,signs and imaging diagnosis for single/double segmental lumbar spinal stenosis disease,parallel lumbar spinal canal decompression surgery patients,follow-up after the surgery.According t o the definition of FBSS,dignosis the patients with FBSS,and retrospe ctively analyzed the clinical data of patients,use the two classification unconditioned Logistic regression analysis(single factor and multiple fact ors)to explore the related risk factors which made failed back surgery syndrome occur.Results: A total of 259 cases involved,in postoperative patients were followed up for 242 cases,in which 18 cases conforms to the FBSS patients and 224 cases not.Two groups of clinical data,single factor analysis results show: 1.gender,age,smoking history,drinking history,hypertension,diabetes,quantitative CT(QCT)value factors on patients with FBSS is no statistical significance(P>0.05);2.the course of the disease factors on patients with FBSS happened was statistically significant(P<0.05).Multiple factor analysis results also show that: thecourse factors on patients with FBSS happened was statistically significant(P<0.05),and the risk of FBSS in patients whose duration longer than 12 months is relatively high.Conclusion: The related risk factors of Degenerative lumbar spinal stenosis combined with lumbar instability in FBSS is the course of disease,the longer duration,the higher probability of occurrence.