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PT  - JOURNAL ARTICLE
AU  - Suh, D.C.
AU  - Kim, J.K.
AU  - Choi, J.W.
AU  - Choi, B.S.
AU  - Pyun, H.W.
AU  - Choi, Y.J.
AU  - Kim, M.-H.
AU  - Yang, H.R.
AU  - Ha, H.I.
AU  - Kim, S.J.
AU  - Lee, D.H.
AU  - Choi, C.G.
AU  - Hahm, K.D.
AU  - Kim, J.S.
TI  - Intracranial Stenting of Severe Symptomatic Intracranial Stenosis: Results of 100 Consecutive Patients
AID  - 10.3174/ajnr.A0922
DP  - 2008 Apr 01
TA  - American Journal of Neuroradiology
PG  - 781--785
VI  - 29
IP  - 4
4099  - http://www.ajnr.org/content/29/4/781.short
4100  - http://www.ajnr.org/content/29/4/781.full
SO  - Am. J. Neuroradiol.2008 Apr 01; 29
AB  - BACKGROUND AND PURPOSE: There are a few reports regarding the outcome evaluation of balloon-expandable intracranial stent placement (BEICS). The purpose of our study was to evaluate the outcome and factors related to the adverse events (AEs) of BEICS.MATERIALS AND METHODS: We evaluated 100 consecutive patients who underwent BEICS. We assessed the procedural success (residual stenosis &amp;lt;50%), AEs (minor strokes, major strokes, and death), clinical outcome, and restenosis (&amp;gt;50%) at 6 months. We also analyzed 18 factors including symptom patterns related to AE rate. Symptom patterns revealed 1) stable patients (n = 73) with improving, stationary, or resolved symptoms; and 2) unstable patients (n = 27) with gradual worsening or fluctuating symptoms (National Institutes of Health Stroke Scale [NIHSS] ≥4) within 2 days before stent placement.RESULTS: The procedural success rate was 99%. Overall, there were 10 (10%) AEs within the 6 months: 4 (4%) minor strokes, 3 (3%) major strokes, and 3 (3%) deaths including a death from myocardial infarction. AE rate was 4.1% in stable and 25.9% in unstable patients. Restenosis at 6 months revealed 0% (0/59). Good outcome (modified Rankin Scale ≤2) at 6 months was 97% (71/73) in stable and 67% (18/27) in unstable patients. Stepwise logistic regression model revealed that symptom pattern (unstable versus stable) was the only significant risk factor (OR, 8.167; 95% CI, 1.933–34.500; P = .004).CONCLUSION: BEICS revealed a low AE and good outcome rate at 6 months, especially in the stable patients. Midterm outcome was also favorable in the unstable patient group.