The Effect of Stroke Subtypes on Baroreceptor Sensitivity, a Predict for Acute Stroke Outcome
Table 2
The basic demographic, stroke locations, and autonomic function among 3 subtypes of stroke patients.
Small deep hemisphere infarction (n=14)
Large hemisphere infarction (n=13)
Brainstem infarction (n=7)
-value
Left
Right
Total
Left
Right
Total
Left
Right
Total
Age
61.7±9.9
63.5±8.7
65.6±5.8
0.63
Sex (female) n
6
4
2
0.34
NIHSS
4.3±1.5
5.3±5.3
10.4±8.3
0.04
SBP
172.4±24.7
163.2±29.6
175.0±34.8
0.60
DBP
95.8±15.9
89.5±17.5
91.4±11.0
0.58
Lateralization
6
8
6
7
4
3
Stroke location
Internal capsule
2
2
4
Basal ganglia
2
5
7
Corona radiate
3
5
8
Putamen
0
1
1
Frontal lobe
5
3
8
Temporal lobe
4
3
7
Insula
2
2
4
Parietal Lobe
2
5
7
Occipital lobe
0
2
2
Midbrain
1
0
1
Pons
3
3
6
Medulla
0
2
2
Spectral analysis
LF (n.u)
49.0±22.0
63.9±16.1
57.5±19.6
59.5±19.1
57.1±25.9
58.2±22.1
82.0±6.7
45.0±39.1
66.1±30.5
0.69
HF (n.u)
50.8±21.8
35.7±16.1
42.2±19.6
40.6±19.0
42.5±25.6
41.6±21.9
28.7±6.5
45.0±39
33.8±30.1
0.71
LF/HF ratio
1.2±1.1
2.6±2.1
2.0±1.9
2.2±2.0
2.3±2.2
2.3±2.0
4.2±2.5
2.7±1.9
3.7±2.8
0.24
Cardio-vagal function
Valsalva ratio
1.3±0.6
1.0±0.3
1.2±0.4
1.0±0.1
1.0±0.3
1.0±0.2
1.1±0.4
1.1±0.2
1.1±0.3
0.41
HR_DB
6.8±1.3
9.0±4.7
7.8±3.3
5.3±3.4
5.6±3.4
5.4±3.2
3.0±0.6
2.0±0.8
2.5±0.7
0.07
Baroreflex function
BRS
4.5±1.0
5.6±1.3
5.1±1.3
4.0±3.4
3.1±0.9
3.5±1.2
3.5±1.0
3.3±1.5
3.4±1.1
0.002§
All values are mean ± SD; § -value are compared with overall mean among 3 groups; , compared to small deep hemisphere infarction with post hoc analysis. Because some patients have multiple infarction, the total number of the stroke locations is greater than the number of patients. Abbreviations. SD: standard deviation; LF: low frequency; HF: high frequency; HR_DB: heart rate response to deep breathing; BRS: baroreflex sensitivity n.u.: normalized unit
