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AJNR - American Journal of Neuroradiology

Published ahead of print on January 8, 2009
doi: 10.3174/ajnr.A1462

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American Journal of Neuroradiology 30:453-458, March 2009
© 2009 American Society of Neuroradiology

Review Article

Intra-Arterial Stroke Therapy: An Assessment of Demand and Available Work Force

H.J. Cloft^a,b, A. Rabinstein^c, G. Lanzino^a,b and D.F. Kallmes^a,b

^a Department of Radiology, Mayo Clinic, Rochester, Minn
^b Department of Neurosurgery, Mayo Clinic, Rochester, Minn
^c Department of Neurology, Mayo Clinic, Rochester, Minn

Please address correspondence to Harry J. Cloft, MD, Mayo Clinic, 200 First St SW, Rochester, MN 55905; e-mail: cloft.harry{at}mayo.edu

SUMMARY: Intra-arterial therapy is currently applicable to a small subset of patients with ischemic stroke, but it will likely have an expanding role as new devices are introduced. This review evaluates the demand for such therapy and the physician work force available to provide such therapy in the United States. The available literature was reviewed to assess how many patients might need intra-arterial therapy annually and how many skilled neurointerventionalists are available to provide intra-arterial therapy for acute stroke. The number of acute ischemic strokes in the United States that will be amenable to intra-arterial therapy can only be crudely estimated, but it is certainly less than 126,000 per year and will quite likely be no more than 20,000 cases per year. The future demand for intra-arterial reperfusion techniques may change, but the number of patients who require intra-arterial thrombolysis is currently quite low. The overall number of neurointerventionists is currently adequate, though there might be local shortages.

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