Fig. 1
Incidence of vasospasm-induced cerebral infarct stratified by aneurysm location. () number of cases, P value chi-square test
With regard to outcomes (Table 1), the incidence of independent survival (mRS 0–2) was similar between clipping and coiling at both 3 (62.6 vs. 67.3 %) and 12 (67.3 vs. 71.4 %) months after SAH. Multivariate logistic regression with poor outcome (1-year mRS 3–6) as a binary outcome demonstrated vasospasm-induced cerebral infarct to be a significant prognostic factor when patient age, gender, admission WFNS grade, Fisher CT group, aneurysm location, dome size, neck size, pretreatment aneurysm rerupture (in hospital, n = 41, 7.6 %), treatment modality, antiplatelet therapy (n = 129, 24.0 %), CSF drainage (with/without irrigation, n = 365, 68.0 %), vasospasm-induced cerebral infarct (n = 95, 17.7 %), shunt-dependent hydrocephalus (n = 101, 18.8 %), epilepsy (n = 26, 4.8 %), infection (sepsis, pneumonia, etc.; n = 48, 8.9 %), noninfectious cardiopulmonary complications (n = 35, 6.5 %), clipping-related complications (n = 84, 15.6 %), and coiling-related complications (n = 52, 9.7 %) were used in the analyses (Table 2).
Table 1
Modified Rankin Scale (mRS) at 3 and 12 months after subarachnoid hemorrhage
Variable |
Clip (n = 273) |
Coil (n = 264) |
P valuea |
---|---|---|---|
mRS at 3 months |
n = 270 |
n = 263 |
|
0 |
86 (31.9) |
131 (49.8) |
<0.001 |
1 |
39 (14.4) |
24 (9.1) |
ns |
2 |
44 (16.3) |
22 (8.4) |
<0.01 |
3 |
19 (7.0) |
11 (4.2) |
ns |
4 |
37 (13.7) |
28 (10.6) |
ns |
5 |
22 (8.1) |
21 (8.0) |
ns |
6 |
23 (8.5) |
26 (9.9) |
ns |
0–1 |
125 (46.3) |
155 (58.9) |
<0.005 |
0–2 |
169 (62.6) |
177 (67.3) |
ns |
mRS at 12 months |
n = 263 |
n = 255 |
|
0 |
105 (39.9) |
145 (56.9) |
<0.001 |
1 |
36 (13.7) |
25 (9.8) |
ns |
2 |
36 (13.7) |
12 (4.7) |
<0.001 |
3 |
21 (8.0) |
13 (5.1) |
ns |
4 |
25 (9.5) |
17 (6.7) |
ns |
5 |
14 (5.3) |
14 (5.5) |
ns |
6 |
26 (9.9) |
29 (11.4) |
ns |
0–1 |
141 (53.6) |
170 (66.7) |
<0.005 |
0–2 |
177 (67.3) |
182 (71.4) |
ns |
Table 2
Significant variables in multivariate logistic regression with poor outcome (1-year modified Rankin Scale 3–6) as a binary outcome
Variables |
Odds ratio
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