22 July 2020>: Clinical Research
Effectiveness of Short-Segment Fixation versus Long-Segment Fixation for Degenerative Scoliosis with Cobb Angle 20°~40°: A Retrospective Observational Study
Yuanqiang Li ABCDEF , Yunsheng Ou AEFG* , Yong Zhu ABE , Bin He BCF , Shuai Xu BC , Haoyang Yu BCDDOI: 10.12659/MSM.923656
Med Sci Monit 2020; 26:e923656
Table 3 Comparison of spinal-pelvic parameters.
Parametes | Long-group | Short-group | ||||
---|---|---|---|---|---|---|
Pre-op | 3–6 M after-op | Final follow-up | Pre-op | 3–6 M after-op | Final follow-up | |
Cobb’s (°) | 33.43±8.99# | 12.77±6.05* | 13.23±6.46* | 25.38±7.64# | 11.69±5.63* | 13.46±5.75* |
SVA(mm) | 63.11±20.76# | 20.01±11.82* | 22.76±12.23* | 46.26±23.46# | 23.67±13.15* | 31.78±13.27* |
TK (°) | 20.36±15.68 | 25.58±9.81 | 27.43±8.96* | 23.45±12.43 | 25.63±11.42 | 26.47±10.72 |
TLK (°) | 15.73±11.68# | 10.54±9.77* | 11.53±8.96 | 12.46±9.71 | 11.25±10.43 | 11.76±9.41 |
LL (°) | 27.71±11.42# | 38.64±12.76* | 37.42±13.52* | 32.65±12.63@ | 36.47±11.98 | 35.86±12.72 |
PI (°) | 47.01±8.56 | 48.23±8.73 | 47.76±7.48 | 46.46±8.38 | 46.44±8.26 | 45.93±7.48 |
PT (°) | 23.26±8.69# | 16.73±6.34* | 15.21±6.74* | 21.92±8.27# | 17.81±6.82* | 17.84±6.15* |
SS (°) | 24.72±7.63# | 31.31±6.21* | 32.45±5.86* | 26.56±7.21# | 29.61±6.02* | 30.11±5.52* |
Intra-group: * Compared with pre-op value, P # compared with the value at 3–6 M after operation, P @ Compared with Long-group at the same time point, P Cobb’s – coronal Cobb’s angle; SVA – sagittal vertical axis; TK – thoracic kyphosis; TLK – thoracolumbar kyphosis; LL – lumbar lordosis; PI – pelvic incidence; PT – pelvic tilt; SS – sacral slope. |