Table 2 Endovascular treatment and follow-up.

From: Safety and effect of pipeline flex embolization device for complex unruptured intracranial aneurysms

Stenting procedures

No. of flow diverters deployed

144

Aneurysms with diverters only (n)

107 (67.3%)

Aneurysms with diverters and coiling (n)

52 (32.7%)

Success rate of procedure

100%

Mean operation time (min)

123.7 ± 49.1

Periprocedural complications

Ischemic

3 (2.3%)

Hemorrhagic

1 (0.8%)

mRS at discharge

mRS 0 (n,%)

101 (77.1%)

mRS 1 (n,%)

25 (19.1%)

mRS 2 (n,%)

4 (3.1%)

mRS 4 (n,%)

1 (0.8%)

Clinical follow-up

Duration (m)

3–42 (median 28)

mRS 0 (n,%)

78 (89.7%)

mRS 1 (n,%)

5 (5.7%)

mRS 2 (n,%)

3 (3.4%)

mRS 4 (n,%)

1 (1.1%)

Angiographic follow-up

Duration (m)

3–40 (median 26)

No. of patients (n,%)

61 (46.7%)

No. of aneurysms (n,%)

80 (50.3%)

OKM grade D

57 (71.3%)

OKM grade C

8 (10%)

OKM grade B

15 (18.8%)

Instent stenosis

4 (6.6%)

  1. mRS, modified Rankin Scale; OKM grade, O’Kelly-Marotta grading system. No significant (P = 0.16) difference existed in the mRS at discharge compared with that at clinical follow-up.