Factors associated with recurrent stroke and recanalization in patients presenting with isolated symptomatic carotid occlusion.
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| Title: | Factors associated with recurrent stroke and recanalization in patients presenting with isolated symptomatic carotid occlusion. |
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| Authors: | Damania, D., Kung, N. T. ‐ M., Jain, M., Jain, A. R., Liew, J. A., Mangla, R., Koch, G. E., Sahin, B., Miranpuri, A. S., Holmquist, T. M., Replogle, R. E., Benesch, C. G., Kelly, A. G., Jahromi, B. S. |
| Source: | European Journal of Neurology. Jan2016, Vol. 23 Issue 1, p127-132. 6p. |
| Subjects: | Stroke, Internal carotid artery, Arterial occlusions, Thrombolytic therapy, Reperfusion injury, Anticoagulants |
| Abstract: | Background and purpose: Patients with symptomatic internal carotid artery (ICA) occlusion constitute a small proportion of stroke/transient ischaemic attack patients who are at increased risk of early stroke recurrence and poor outcome. The optimal medical treatment for patients with symptomatic ICA occlusion who are ineligible for thrombolysis or thrombectomy is unknown. Methods: Consecutive patients presenting at a single center with newly diagnosed symptomatic ICA occlusion (not involving the circle of Willis) were retrospectively reviewed. Those treated with intravenous thrombolysis or intraarterial thrombolysis/thrombectomy were excluded. Patients were divided into two groups based on whether they experienced recurrent in-hospital stroke. Results: The selected study population (n = 33) represented a small (20.4%) proportion of all newly symptomatic carotid occlusions, who nevertheless had an elevated risk of recurrent stroke during admission (24.2%). Of the variables examined (age, gender, admission National Institutes of Health Stroke Scale score, vascular risk factors, atrial fibrillation, prior stroke/transient ischaemic attack and anticoagulation within 48 h of presentation), only anticoagulation was significantly associated with a lower risk of in-hospital recurrent stroke. Anticoagulated patients showed a decreased incidence of stroke recurrence within the first week (6.7% vs. 38.9%, P = 0.032) and fewer strokes or deaths at 1 month (13.3% vs. 47.1%, P = 0.040). Hemorrhagic transformation was not observed in any patient. On follow-up imaging, ICA recanalization was significantly more frequent in anticoagulated patients (46.2% vs. 9.1%, P = 0.047). Conclusion: Patients with newly diagnosed symptomatic ICA occlusion (not involving the circle of Willis) represent a small but high risk subgroup of patients with carotid occlusion. Early anticoagulation was associated with fewer recurrent strokes and increased ICA recanalization. Larger scale prospective studies may be justified. [ABSTRACT FROM AUTHOR] |
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| Database: | Psychology and Behavioral Sciences Collection |
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