Waqas Noor Chughtai, Muhammad Adeel Razzaque, Tanveer Ahmad, Sumera Nighat, Bashir Ahmad, Muhammad Azhar Javed.
The relationship between the grading of lumbar spinal stenosis and pain improvement after caudal epidural steroid injection..
Pak J Neuro Surg Jan ;24(4):393-8.

Objective:  This study aimed to determine the relation of severity of lumbar spinal stenosis and pain improvement after caudal epidural injection. Material and Methods:  70 patients of neurogenic claudication were included from July 2019 to June 2020. MRI lumbosacral spine was done of all patients to categorize the degree of spinal stenosis on T2-W axial. All patients were given caudal epidural steroid injection as a day case procedure. Follow-up was done at 3 & 8 weeks and pain improvement was assessed by using Ronald satisfaction score. Results:  Mean age was 37.9 ± 7.8 years. 48.6% patients were male and 51.6% were female. The improvement was observed in 28 patients (40%) at 3 weeks and in 46 patients (65.7%) at 8 weeks. There  was no  statistically significant  relationship between  lumbar spinal stenosis and pain improvements at 3 weeks (p value 0.30) and 8 weeks (p value 0.32). Conclusion:  The grade of lumbar spinal stenosis has no significant effect on pain improvement after caudal epidural steroid injection. Keywords:  LSS (Lumbar spinal stenosis), caudal epidural steroid injection (ESI), neurogenic claudication, MRI (Magnetic resonance imaging), T2W (T2 weighted) images.

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