Table 1 Summary of 15 patients with postoperative cerebral ischemic complications.

From: Risk factors and a novel cerebral infarction extent scoring system for postoperative cerebral ischemia in patients with ischemic Moyamoya disease

No

Age/sex

Initial symptoms

Suzuki stages*

PCA involvement

Preoperative infarction or frequent TIA in 8 weeks

Operation

Strict perioperative management

Symptomatic/asymptomatic infarction

Onset of ischemic events after surgery

Postoperative cerebral infarction side

1

26/F

Infarction

IV

+

Yes

Indirect

No

Symptomatic

Within 24 h

Ipsilateral

2

40/M

Infarction

III

Yes

Combined

No

Symptomatic

Within 24 h

Contralateral

3

7/M

Infarction

III

+

Yes

Indirect

No

Symptomatic

Within 24 h

Bilateral

4

42/F

Infarction

II

+

Yes

Combined

No

Symptomatic

Within 24 h

Ipsilateral

5

2/M

Infarction

II

Yes

Indirect

No

Symptomatic

Within 48 h

Ipsilateral

6

6/M

Infarction

IV

No

Indirect

No

Symptomatic

Within 24 h

Ipsilateral

7

38/M

Infarction

II

No

Combined

No

Symptomatic

Within 24 h

Contralateral

8

44/F

Infarction

III

+

Yes

Indirect

No

Symptomatic

Within 48 h

Ipsilateral

9

5/F

Infarction

III

+

No

Indirect

No

Symptomatic

Within 24 h

Ipsilateral

10

50/F

Infarction

IV

+

No

Indirect

Yes

Symptomatic

Within 24 h

Bilateral

11

9/F

TIA

IV

No

Indirect

Yes

Asymptomatic

Ipsilateral

12

54/F

Infarction

V

+

No

Indirect

Yes

Symptomatic

Within 24 h

Ipsilateral

13

6/F

Infarction

III

+

No

Indirect

Yes

Symptomatic

Within 24 h

Ipsilateral

14

44/M

Infarction

IV

No

Indirect

Yes

Asymptomatic

Ipsilateral

15

28/M

Infarction

II

No

Combined

Yes

Symptomatic

Within 24 h

Ipsilateral

  1. *Preoperative angiographic stages were evaluated using the criteria of Suzuki angiographic stage.
  2. PCA posterior circulation artery, TIA transient ischemic attack.