Posterior transpedicular approach with circumferential debridement and anterior reconstruction as a salvage procedure for symptomatic failed vertebroplasty

Table 3 The changes of radiographic findings before and after surgery

Case number	Preop Cobb’s angle (°) ^a	Postop Cobb’s angle (°) ^a	Correction of Cobb’s angle (°)	Loss of correction at 1 year (°)	Allograft subsidence (mm)
1	−10	−1	9	1	1
2	−21	−7	14	0	0
3	−13	−9	4	2	1
4	−39	−23	16	2	1
5	−12	−5	7	4	1
6	−20	15	35	5	2
7	−6	16	22	3	1
8	−36	−15	21	5	2
9	−51	−22	29	2	1
10	−25	−9	16	3	1

ISSN: 1749-799X