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Fig. 2 | BMC Neurology

Fig. 2

From: Enterprise stent for the treatment of symptomatic intracranial atherosclerotic stenosis: an initial experience of 44 patients

Fig. 2

A 39-year-old man with a severe stenosis of the M1 segment of the left middle cerebral artery (MCA) was referred for evaluation of stroke. Diagnostic cerebral angiography confirmed a preocclusive (90 %) stenosis of the left MCA a. The patient underwent percutaneous transluminal angioplasty and Enterprise stent placement. The subtracted image demonstrates near 30 % postprocedural residual stenosis b. After 4 months, the patient experienced TIAs in the dependent territory, and follow-up angiography revealed in-stent restenosis (80 %) and diffuse intimal hyperplasia throughout the entire stented segment d. Angioplasty was performed with a slow, graded inflation of the balloon (Gateway, 1.5/9) to a pressure of 7 atm e. The subtracted image post retreatment demonstrates near 30 % residual stenosis f

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