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Table 1 Summary of clinical data in complication cases

From: Risk factors for construct/implant related complications following primary posterior hemivertebra resection: Study on 116 cases with more than 2 years’ follow-up in one medical center

No. Initial age (years/old) Sex Hemivertebra location Fusion levels Time of complication occurrence Complications Treatment
1 3 F L2 L1-L3 4 years postoperative screw migration Remove implants
2 3 F L2 L1-L3 7 years postoperative screw migration Remove implants
3 3 F L4 L3-L5 6 months postoperative rod break without migration Conservative observation
4 5 F L2 L1-L3 3 days postoperative screw misplacement Revision with hooks
5 17 F L4 L2-S1 2 days postoperative screw misplacement Remove misplaced screws
6 7 M L3/4 L3-L4 7 years postoperative pedicle elongation and screw migration Remove implants
7 2 F L5/6 L5-L6 3 years postoperative pedicle elongation and screw migration Remove implants
8 15 M T11/12 T8-L2 4 years postoperative Proximal adjacent kyphosis Extended fused segments
9 3 M T11 T10-T12 7 years postoperative Progressive kyphosis Extended fused segments
10 15 F T12/L1 T12-L2 8 days postoperative Poor wound healing Debridement
11 11 M L1 T11-L2 6 days postoperative Poor wound healing Debridement