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Table 4 Lesion characteristics and treatment results of 3 patients with IRS at follow-up visit

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

Case no.

Location

LMA classification

Length of lesion (mm)

Balloon size (mm)

Balloon pressure (atm)

Stent size (mm)

Pre/Post stent stenosis (%)

Follow-up (DSA) (months)

ISR (%)

Symptoms

Retreatment

1

MCA

B/C, B, II

7.22

2/15

5.0

4.5/22

70/10

29

55

Decreased muscle strength

No

2

MCA

B/A, B, II

7.11

1.5/9

6.0

4.5/14

90/30

5

80

Decreased muscle strength strength

Balloon angioplasty (residual stenosis 30 %)

3

BA

T/N, B, I

9.75

2.5/15

5.0

4.5/15

90/30

7

70

None

No