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  • Title: Neurogenic claudication secondary to vascular disease.
    Author: Murphy MA, Denton MJ, Scott DF.
    Journal: Aust N Z J Surg; 1992 Feb; 62(2):154-7. PubMed ID: 1586306.
    Abstract:
    Neurogenic claudication is characterized by sensory symptoms which appear during exercise or while maintaining a fixed posture. They are paraesthetic in quality, may be associated with 'march' phenomena, and patients may have bowel and bladder disturbance. The problem is most commonly secondary to lumbar canal stenosis (LCS) but rarely due to aortic disease, as shown in this case report. This report concerns a 66 year old woman who presented with symptoms of paraesthesia radiating from the buttocks to the thigh and, intermittent loss of bladder and bowel function, all associated with walking. There were no associated symptoms of vascular claudication. Clinically, there was evidence of aorto-iliac obstruction with absence of femoral pulses and a vascular index of 0.4 at both ankles. Neurological examination was normal at rest but the left ankle jerk was absent immediately after exercise. Myelogram and computerized tomographic (CT) scan were normal. An aortogram revealed a very tight irregular stenosis of the aorta at the level of the renal and mesenteric arteries. Very few lumbar vessels were seen. An aortic endarterectomy via a thoraco-abdominal approach was performed and an aortobifemoral graft inserted. The patient's symptoms resolved following this procedure. We postulate that her symptoms were caused by a 'steal' from the blood supply to the cauda equinda due to the severe athromatous disease of her upper abdominal aorta.
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