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Table 2 Anatomic distribution of the giant aneurysms

From: Risk factors and outcomes of postoperative stroke in surgical treatment for giant intracranial aneurysms

Location

Total (n = 97)

Postop stroke

Present (n = 26)

Absent (n = 71)

Anterior circulation

90 (92.8)

24 (92.4)

66 (93.0)

 ICA

39 (40.2)

10 (38.0)

29 (40.8)

  Cavernous segment

4 (4.1)

1 (3.8)

3 (4.2)

  Clinoid segment

7 (7.2)

3 (11.5)

4 (5.6)

  Ophthalmic segment

9 (9.3)

0 (0)

9 (12.7)

 Bifurcation

19 (19.6)

6 (23.1)

13 (18.3)

 PCoA

4 (4.1)

2 (7.6)

2 (2.8)

  ACA

1 (1.0)

0 (0)

1 (1.4)

  ACoA

4 (4.1)

0 (0)

4 (5.6)

  MCA

42 (43.4)

12 (46.4)

30 (42.0)

Posterior circulation

7 (7.2)

2 (7.6)

5 (7.0)

 VA

2 (2.1)

1 (3.8)

1 (1.4)

 PICA

1 (1.0)

0 (0)

1 (1.4)

 PCA

4 (4.1)

1 (3.8)

3 (4.2)

  1. Data are n (%) unless otherwise indicated
  2. ICA Internal carotid artery, PCoA Posterior communicating artery, ACA Anterior cerebral artery, ACoA Anterior communicating artery, MCA Middle cerebral artery, VA Vertebral artery, PICA Posterior inferior cerebellar artery, PCA Posterior cerebral artery