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(Stroke. 2001;32:2075.)
© 2001 American Heart Association, Inc.

Original Contributions

Early Carotid Endarterectomy for Critical Carotid Artery Stenosis After Thrombolysis Therapy in Acute Ischemic Stroke in the Middle Cerebral Artery

Christopher M. McPherson, MD; Daniel Woo, MD; Paul L. Cohen, MD; Arthur M. Pancioli, MD; Brett M. Kissela, MD; Janice A. Carrozzella, RN; Thomas A. Tomsick, MD Mario Zuccarello, MD

From the Neuroscience Institute, University of Cincinnati, Departments of Neurosurgery (C.M.M., P.L.C., M.Z.), Neurology (D.W., B.M.K., J.A.C.), Neuroradiology (T.A.T.), and Emergency Medicine (A.M.P.), Cincinnati, Ohio.

Correspondence to Mario Zuccarello, MD, c/o Editorial Office, Department of Neurosurgery, University of Cincinnati College of Medicine, 231 Albert Sabin Way, PO Box 670515, Cincinnati, OH 45267-0515. E-mail thompdo{at}email.uc.edu

Background and Purpose—— Tissue plasminogen activator (tPA) has been shown to be effective for acute ischemic stroke. However, if a high-grade cervical carotid stenosis remains despite tPA therapy, patients are at risk for recurrent stroke. Carotid endarterectomy (CEA) has been shown to be effective in symptomatic patients with high-grade cervical carotid stenosis in reducing the risk of stroke, but it is unknown whether CEA can be performed safely after tPA thrombolysis. We describe our experience with 5 patients who underwent early (<48 hours) CEA for residual high-grade cervical carotid stenosis after thrombolytic therapy for acute ischemic stroke in the middle cerebral artery territory.

Methods—— All patients had a critical (>99%) carotid artery stenosis on the symptomatic side after tPA therapy. All patients received intravenous tPA; 3 patients also received intra-aortic tPA. Three patients received intravenous heparin infusion immediately after administration of tPA. All patients showed marked improvement in their National Institutes for Health Stroke Scale scores after treatment with tPA. CEA was then performed within 45 hours (6 hours in 1 patient, 23 hours in 2, 26 hours in 1, and 45 hours in 1).

Results—— All 5 patients underwent successful CEA. There were no complications related to surgery. At discharge, 2 patients had a normal examination, and the remaining patients had mild deficits. In a long-term follow-up of 5 to 22 months, no patient had a recurrent cerebrovascular event.

Conclusions—— Early CEA can be performed safely and successfully in patients after tPA treatment for acute ischemic stroke in appropriately selected patients.

Editorial Comment

Seemant Chaturvedi, MD; Guest Editor

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