Total number of eligible patients with foraminal claudication
| 79 |
Entire Cohort Age at 10 year review (years)
| |
Mean ±SD | 56 ± 10.5 |
Range | 40–82 |
Duration of symptoms (years)
| |
Mean ±SD | 10.1 ± 4.9 |
Range | 3–29 |
Males
| 37 |
Predominant presenting activity related symptom(s)*
| |
Back pain predominating over leg symptoms | 42 |
Predominant buttock, groin or proximal limb pain & weakness | 12 |
Predominant limb pain extending below the knee | 15**
|
Equivalent predominance of back, buttock and limb pain | 6 |
Bilateral or oscillating limb pain | 4 |
Interventional Level
| |
L1-2 | 0 |
L2-3 | 1 |
L3-4 | 3 |
L4-5 or Transitional | 35 |
L5-S1 or Transitional | 40 |
Predominant Pathology Combinations
| |
Disc protrusion & axial stenosis & foraminal narrowing | 37 |
Spondylolisthesis & foraminal narrowing | 12 |
Perineural scarring ± osteophytosis | 14 |
Foraminal & lateral recess stenosis | 10 |
Pedicle wall fragmentation compromising the foramen | 1 |
Cage implant foraminal compromise | 2 |
Retrolisthesis & foraminal compromise | 3 |
Prior pain management
| |
Chronic pain management | 62 |
Coping courses | 42 |
Residential cognitive behavioural therapy | 24 |
Eligible for dorsal column stimulator | 9 |