Lumbar spinal stenosis | Peripheral arterial disease | Non-specific low back pain | |
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Inclusion criteria | - Central canal stenosis - Pain in at least one leg - Neurological signs in the lower limbs (numbness or tingling) - Perceived weaknesses in the lower limb - Pain relieved by sitting or bending the trunk - > 50 years old - Confirmed imaging of LSS | - Claudication while walking - Ankle-brachial index < 0.9 - Pain relieved by rest - > 50 years old | - Referred pain in the lower limb(s) - Pain relieved by sitting - > 40 years old |
Exclusion criteria | - Foraminal stenosis - Type 1 diabetes - Spinal stenosis with predominant back pain - Knee or hip osteoarthritis - Symptomatic disc herniation with nerve root irritation - Hip or knee arthroplasty - Previous lumbar surgery - Inability to provide free and informed consent - Previous vascular surgery |