Primary angioplasty for a subtype of symptomatic middle cerebral artery stenosis
- نوع فایل : کتاب
- زبان : انگلیسی
- مؤلف : Zhongrong Miao & Bin Wang & Lei Feng & Yang Hua & Feng Ling
- چاپ و سال / کشور: 2011
Description
Introduction The purpose of this study was to assess the long-term efficacy of middle cerebral artery revascularisation by primary balloon angioplasty for the prevention of stroke in a certain subtype of patients. Method A retrospective study was performed to evaluate 33 patients with symptomatic middle cerebral artery stenoses who underwent primary balloon angioplasty; the selection criteria were: greater than 70% stenosis measured by digital subtraction angiography, lesions equal to or shorter than 5 mm, lesions near or across a bifurcation, and lesions with very tortuous proximal vessels that increase the risk of stenting. All patients were available for follow-up ranging from 6 to 60 months. The technical success rate, periprocedural complications, and long-term outcome were retrospectively reviewed. Result The mean stenosis degree was reduced from 87.12± 7.40 to 23.03±9.84 after angioplasty. The periprocedural complication rate was 18.18% (six dissections without an ischemic event). Two patients had strokes in the territory of the angioplasty at 6 and 32 months after angioplasty, and the stroke-free survival at 5 years was 90.04% (mean survival time, 56.42±2.43 months; 95% CI, 51.66– 61.19 months). Conclusion These results suggest that this treatment is safe and could provide a durable clinical result at long-term follow-up in this subtype of patients, but the high rate of dissection remains a major technical drawback.
Neuroradiology (2011) 53:651–657 DOI 10.1007/s00234-010-0778-2 Received: 18 June 2010 / Accepted: 28 September 2010 / Published online: 8 October 2010
