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Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication
Published on: December 11, 2013
Differentiation of vascular claudication due to bilateral common iliac artery stenosis versus neurogenic claudication
Lisa B E Shields1, Vasudeva G Iyer2, Stephen B Self3
1Norton Neuroscience Institute, Norton Healthcare, Louisville, Kentucky, United States.
Insights
Vascular claudication from iliac artery stenosis can mimic neurogenic claudication. Prompt diagnosis with CT angiograms and appropriate stenting resolved a patient's symptoms, highlighting the importance of considering vascular causes.
Area of Science:
- Vascular Surgery
- Interventional Cardiology
- Neurosurgery
Background:
- Differentiating neurogenic claudication (lumbar stenosis) from vascular claudication (aortic/iliac occlusion) is clinically challenging.
- Both conditions can present with similar symptoms like low back, hip, and buttock pain during ambulation.
- Vascular claudication due to iliac artery disease often mimics symptoms of lumbar spinal stenosis.
Observation:
- A 68-year-old female with prior lumbar and cardiac surgery presented with exertional hip and groin pain.
- Negative lumbar spine evaluations were noted.
- CT angiogram revealed severe (90%) right common iliac artery stenosis and moderate (50%) left common iliac artery stenosis.
Findings:
- Bilateral common iliac artery kissing stents were successfully deployed.
- Post-intervention, the patient's claudication symptoms completely resolved.
- Successful revascularization effectively treated the patient's exertional leg pain.
Implications:
- Spine surgeons must consider vascular causes when evaluating patients with claudication symptoms.
- Diagnostic workup should include lumbar spine imaging (MRI) and vascular studies (CTA).
- Accurate differentiation leads to appropriate treatment, avoiding unnecessary spinal interventions for vascular disease.
Background:
Differentiating between neurogenic and vascular claudication may be difficult. Vascular claudication due to aortic and iliac artery occlusions may present as low back, hip, and buttock pain while walking short distances. These findings are often very similar to those seen for neurogenic claudication attributed to lumbar stenosis.
Case Description:
A 68-year-old female presented with low back, right hip, and groin pain while walking short distances. She had previously undergone lumbar and cardiac surgery. Now, with negative repeated lumbar studies, the CT angiogram (CTA) revealed a dense calcified plaque in the right common iliac artery resulting in 90% stenosis at its origin and <50% stenosis of the left common iliac artery. Once bilateral common iliac artery kissing stents were placed, the patient's symptoms resolved.
Conclusion:
Spine surgeons should be aware that vascular and neurogenic claudication may mimic each other. Obtaining MR studies of the lumbar spine and EMG/NCV, along with the appropriate vascular studies (CTAs), help differentiate between the two, and result in the appropriate operative choices.
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