Cortical Reorganization Is Associated with Surgical Decompression of Cervical Spondylotic Myelopathy
Table 1
Summary of experimental results in all patients.
Preoperative
Postoperative
Significance
mJOA
12.7 (2.81)
13.81 (3.1)
sMEP
1.64 (1.88)
0.82 (0.89)
7.86 (3.93)
5.22 (2.58)
Group
A
B
A
B
sMEP
2.03 (1.54)
0.89 (0.55)
1.01 (1.05)
0.48 (0.31)
Group A () Group B ()
9.07 (4.00)
5.60 (2.80)
5.87 (2.95)
4.00 (1.41)
Group A () Group B ()
Jebsen tests
Write
23.98 (25.49)
12.11 (5.84)
20.97 (20.08)
11.71 (6.10)
Group A () Group B ()
Turn page
9.56 (9.15)
5.98 (2.22)
7.19 (3.53)
7.89 (4.86)
Group A () Group B ()
Lift small object
11.43 (7.06)
9.65 (4.26)
9.19 (4.13)
9.54 (6.10)
Group A () Group B ()
Feed
13.20 (6.74)
13.06 (7.12)
12.03 (5.89)
11.38 (5.74)
Group A () Group B ()
Stack
5.64 (6.43)
2.85 (2.17)
4.00 (6.13)
2.78 (1.07)
Group A () Group B ()
Lift light can
4.23 (3.88)
4.69 (2.87)
4.21 (3.91)
4.56 (3.90)
Group A () Group B ()
Lift heavy can
5.18 (2.34)
5.14 (3.34)
4.87 (2.02)
4.89 (3.33)
Group A () Group B ()
Other tests
9-hole peg
68.36 (41.78)
52.63 (30.00)
57.39 (28.63)
59.77 (34.12)
Group A () Group B ()
Tap
68.63 (12.09)
70.43 (10.83)
69.79 (4.57)
74.79 (8.13)
Group A () Group B ()
Pinch grip strength
15.55 (7.46)
20.86 (3.8)
17.87 (7.33)
22.64 (4.68)
Group A () Group B ()
Electrophysiology
CMCT
R UL
10.77 (3.22)
7.89 (2.34)
9.88 (2.16)
7.69 (2.87)
Group A () Group B ()
L UL
11.65 (3.45)
7.99 (2.77)
10.45 (2.98)
7.62 (2.96)
Group A () Group B ()
R LL
18.34 (3.98)
19.23 (4.11)
17.97 (4.06)
19.86 (4.68)
Group A () Group B ()
L LL
19.11 (4.07)
19.25 (4.87)
18.78 (4.39)
20.12 (4.61)
Group A () Group B ()
amplitude
1.22 (0.53)
1.34 (0.45)
1.21 (0.47)
1.29 (0.51)
Group A () Group B ()
0.82 (0.23)
0.91 (0.22)
0.77 (0.36)
0.86 (0.28)
Group A () Group B ()
Mean values are indicated (standard deviation). All hand function test results are in seconds. In healthy controls, mean sMEP was 0.51 (0.28) and was 3.36 (1.21). CMCT: central motor conduction time (m/s); R: right; L: left; UL: upper limb; and LL: lower limb. : amplitude (mV)/ amplitude (mV). denotes statistical significance at .