Real-Time Evaluation of Cerebral Autoregulation Based on Near-Infrared Spectroscopy to Predict Clinical Outcome after Bypass Surgery in Moyamoya Disease
Table 1
Summary of patient characteristics and raw signals during surgery.
Variables
All ()
Infarction ()
Noninfarction ()
value
Age (years)
0.225
Male sex
23 (33%)
3 (30%)
20 (34%)
1.0
Operation time (hours)
0.123
MBP (mmHg)
0.329
SCO2 (%)
0.077
EtCO2 (mmHg)
0.329
Preoperative neurological deficit
Duration at symptom onset (month)
0.354
TIA
59 (86%)
10 (100%)
49 (84%)
0.336
Infarction
37 (54%)
5 (50%)
32 (55%)
1.0
Hemorrhage
14 (20%)
2 (20%)
12 (20%)
1.0
Preoperative perfusion
ASL (MRI)
Decreased CBF
56 (82%)
8 (80%)
48 (82%)
0.619
SPECT
Basal hypoperfusion
43 (63%)
8 (80%)
35 (60%)
0.311
Decreased vascular reserve
64 (94%)
10 (100%)
54 (93%)
1.0
PCA involvement
22 (32%)
1 (10%)
21 (36%)
0.149
Unilateral moyamoya
10 (14%)
4 (40%)
6 (10%)
0.034
mRS score
On admission
0.143
Discharge
0.036
Surgical categories
Direct/combined bypass
67 (98%)
10 (100%)
57 (98%)
1.0
Follow-up events
Hyperperfusion
21 (30%)
3 (30%)
18 (31%)
1.0
ICH
1 (1%)
0 (0%)
1 (1%)
1.0
Postoperative GOS score
0.011
All data are shown as the and in the table. MBP: mean blood pressure; SCO2: cerebral oxygen saturation; EtCO2: end-tidal carbon dioxide concentration; TIA: transient ischemic attack; ASL: arterial spin labeling; PCA: posterior cerebral artery; mRS: modified Rankin scale; ICH: intracranial hemorrhage; GOS: Glasgow Outcome Scale.
