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Additional file 1: Supplemental Table 1. Hazard ratio for in-stent restenosis using a cox proportional analysis in VBS. Supplemental Table 2. Hazard ratio for in-stent restenosis using a cox proportional analysis in CAS. Supplemental Table 3. Stroke mechanism of stented-territory infarction in VBS. Supplemental Figure 1. A) Comparison of in-stent restenosis and stented-territory infarction between intra- and extracranial VBS. B) Comparison of in-stent restenosis and stented-territory infarction between intra- and extracranial CAS.

The prognosis of a cerebral artery dissection is known to be benign, but the structural changes of vessel wall at follow-up are not well known. The natural course of an intracranial and extracranial artery dissection may differ due to structural differences. We aimed to figure out how stenosis and other wall features change, according to the dissection location.We retrospectively enrolled patients who suffered an ischemic stroke or transient ischemic attack due to a dissection and who had undergone both initial and follow-up high-resolution magnetic resonance imaging (HRMRI). Patients were dichotomized to intracranial or extracranial dissection group. The clinical and HRMRI characteristics of two groups were compared. Factors associated with stenosis changes were also investigated.A total of 57 patients (intracranial, n = 43; and extracranial, n = 14) were enrolled. The mean age (45.6 vs. 32.2, p 0.001) was higher and hypertension (37.2% vs. 7.1%, p = 0.04) was more frequent in the intracranial dissection group. In HRMRI analysis, stenosis improvement (27.9% vs. 85.7%, p 0.001) were more frequent whereas residual wall enhancement (86.0% vs. 46.2%, p = 0.006) and intramural hematoma (62.8% vs. 21.4%, p = 0.007) were less frequent in the extracranial dissection group. Multivariate analysis indicated that extracranial location was the only independent factor (odds ratio 8.98, 95 % confidence interval 1.45-55.65; p = 0.02) associated with stenosis improvement.Younger age, stenosis improvement, disappearance of wall enhancement and intramural hematoma were more frequent in an extracranial dissection compared with an intracranial dissection. An extracranial location is independently associated with stenosis improvement in dissection patients.

Supplemental material, sj-pdf-1-wso-10.1177_17474930211041213 for Outcome in Patients Treated with Intra-arterial thrombectomy: The optiMAL Blood Pressure control (OPTIMAL-BP) Trial by Hyo Suk Nam MD, PhD Young Dae Kim MD, PhD Jin Kyo Choi MD Minyoul Baik MD Byung Moon Kim MD, PhD Hye S Lee PhD in International Journal of Stroke

Supplemental material, Supplementary Tables for Procedural and clinical outcomes of endovascular recanalization therapy in patients with cancer-related stroke by Seunguk Jung, Cheolkyu Jung, Jae Hyoung Kim, Byung Se Choi, Yun Jung Bae, Leonard Sunwoo, Ho Geol Woo, Jun Young Chang, Beom Joon Kim, Moon-Ku Han and Hee-Joon Bae in Interventional Neuroradiology