Table 2

Characteristics and outcomes in 47 patients who underwent stenting procedures for the management of 56 acutely ruptured wide necked aneurysms

Age (years) (mean (range))38.6 (23–73)
Sex: men/women (n (%))27 (57.5)/20 (42.5)
Admission Hunt and Hess grade 
(n (%))
  •  Grades 1–2

22 (47)
  •  Grades 3–5

25 (53)
Admission Fisher grade 
(n (%))
  •  Grades 1–2

6 (13)
  •  Grade 3

22 (47)
  •  Grade 4

19 (40)
Intracranial hemorrhage at admission 
(n (%))
  •  Subarachnoid hemorrhage

46 (98)
  •  Intraventricular hemorrhage

16 (34)
  •  Intracerebral hemorrhage

2 (4)
  •  Pure intracerebral hemorrhage

1 (2)
Location of 56 treated aneurysms
(n (%))
  •  Anterior communicating artery

21 (38)
  •  Posterior communicating artery

8 (14)
  •  Middle cerebral artery

7 (13)
  •  Basilar artery

6 (11)
  •  Internal carotid artery, ophthalmic branch

5 (9)
  •  Anterior choroidal artery

4 (7)
  •  Internal carotid artery bifurcation

3 (5)
  •  Posterior inferior cerebellar artery

1 (2)
  •  Pericallosal artery

1 (2)
Aneurysm size (mean 
(range))
  •  Dome size (mm) (mean (range))

4.7 (1.7–12.1)
  •  Neck size (mm) (mean (range))

3.2 (1.5–7.1)
Incidental associated
aneurysms
  •  Same parent artery

11
  •  Treated in the acute phase

9
  •  Other artery

13
Ventriculostomy
(n (%))
38/47 (80)
  •  Before embolization (n (%))

35 (92)
  •  After embolization (n (%))

3 (8)
Ventriculoperitoneal shunt 
(n (%))
4/47 (9)
  •  1–3 months

2 (4)
  •  4–12 months

2 (4)
Antiplatelet therapy
(n (%))
  •  Aspirin+clopidogrel

29 (62)
  •  Aspirin+ticagrelor

11 (23)
  •  Aspirin+prasugrel

7 (15)
Embolization technique in treated aneurysms
(n (%))
 Single stent embolization39 (70)
  •   Flow diverter stent

20
     Coiling3
     No coiling17
  •   Stent assisted coiling

19
     Trans stent coiling8
     Half T1
     Jailing coiling5
     Waffle cone technique3
     pCONus2
 Dual stent embolization17 (30)
  •   Dual stent assisted coiling

12
     Y stenting6
     X stenting3
     T stenting3
  •   Double flow diverter stent

5
Immediate occlusion grade (n (%))
  •  Stent assisted coiling

31/56 (55)
    mRCCI22 (71)
    mRCCII7 (23)
    mRCCIIIa2 (6)
  •  Flow diverter assisted coiling

3/56 (5)
    mRCCIIIa3 (100)
  •  Flow diverter alone

22/56 (40)
    SMART grade 319 (27)
    SMART grade 211 (50)
    SMART grade 15 (23)
Intraprocedure thromboembolic complications (n (%))
  • Occlusive thrombus at the implanted stent site (n (%))

4 (9)
Clinical status at 90 day follow-up (n (%))
  •  mRS 0

27 (57)
  •  mRS 1

13 (28)
  •  mRS 2

2 (4)
  •  mRS 3

3 (6)
  •  mRS 6

2 (4)
Occlusion grade at 9–12 month follow-up
(45 surviving patients , 54 treated aneurysms) (n (%))
  •  Stent assisted coiling

29/54 (54)
    mRCC I26 (90)
    mRCCIIIa3 (10)
  •  Flow diverter assisted coiling

3/54 (6)
    mRCCI2 (66)
    mRCCIIIa1 (33)
  •  Flow diverter alone

22/54 (40)
    SMART grade 419 (86)
    SMART grade 33 (14)
  • mRCC, modified 4 point Raymond–Roy Scale; mRS, modified Rankin Scale; SMART, simple measurement of aneurysm residual after treatment.