on October 13, 2005
Published online before print October 13, 2005, doi: 10.1161/01.STR.0000185924.22918.51
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Submitted on May 13, 2005
From the Department of Neurology and University of Pittsburgh Medical Center Stroke Institute (T.G.J., R.G., K.U., L.R.W., M.D.H., A.T.); VA Pittsburgh Health Care System (T.G.J.); Department of Radiology and University of Pittsburgh Medical Center Stroke Institute (C.A.J.); and Department of Neurosurgery and University of Pittsburgh Medical Center Stroke Institute (M.B.H.), University of Pittsburgh, Pittsburgh, Penn. * To whom correspondence should be addressed. E-mail: uchinok{at}upmc.edu.
Background and Purpose--Acute ischemic stroke attributable to extracranial internal carotid artery (ICA) occlusion is frequently associated with severe disability or death. In selected cases, revascularization with carotid artery stenting has been reported, but the safety, recanalization rate, and clinical outcomes in consecutive case series are not known. Methods--We retrospectively reviewed all of the cases of ICA occlusions that underwent cerebral angiography with the intent to revascularize over a 38-month period. Two groups were identified: (1) patients who presented with an acute clinical presentation within 6 hours of symptom onset (n=15); and (2) patients who presented subacutely with neurologic fluctuations because of the ICA occlusion (n=10). Results--Twenty-five patients with a mean age of 62±11 years and median National Institutes of Health Stroke Scale (NIHSS) of 14 were identified. Twenty-three of the 25 patients (92%) were successfully revascularized with carotid artery stenting. Patients in group 1 were younger and more likely to have a tandem occlusion and higher baseline NIHSS when compared with group 2. Patients in group 2 were more likely to show early clinical improvement defined as a reduction of their NIHSS by Conclusions--Endovascular treatment of acute ICA occlusion appears to have a high-recanalization rate and be relatively safe in our cohort of patients with acute ICA occlusion. Future prospective studies are necessary to determine which patients are most likely to benefit from this form of therapy.
Accepted on June 14, 2005
Emergent Stenting of Extracranial Internal Carotid Artery Occlusion in Acute Stroke Has a High Revascularization Rate
Tudor G. Jovin MD;
4 points and a modified Rankin Score of 
2 at 30-day follow-up. Two clinically insignificant adverse events were noted: 1 asymptomatic hemorrhage and 1 nonflow-limiting dissection.
Key words: angioplasty • endovascular therapy • stents • carotid arteries
Related Article:
Stroke 2005 36: 2335-2336.
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