Bone graft types used for revision posterior fusion.
Type of Secondary PSF | Bonegraft Type | n | Age, y, Mean ± SD | No. of Levels Fused, Median (Range) | Smokers No. (%) | Supplement Treatment | Solid PSF No. (%), Mean mo to CTc | |
BMP No. (%) | Internal Bone Growth Stimulator No. (%) | |||||||
Pseudo repair | RIBGa | 7 | 53.7 ± 12.8 | 1 (1–6) | 5 (71%) | 6 (86%) | 4 (57%) | 7 (100%), 8.4 mo |
IBGb | 17 | 49.7 ± 17.0 | 1 (1–4) | 7 (41%) | 0 (0%) | 5 (29%) | 12 (71%), 11.6 mo | |
BMP | 22 | 56.6 ± 17.1 | 1 (1–3) | 10 (45%) | 22 (100%) | 10 (45%) | 18 (82%), 11.3 mo | |
IBG + BMP | 8 | 55.4 ± 15.6 | 1 (1–3) | 4 (50%) | 8 (100%) | 5 (63%) | 7 (88%), 12.3 mo | |
Local autograft | 6 | 58.3 ± 15.9 | 1 (1) | 3 (50%) | 0 (0%) | 2 (33%) | 3 (50%), 8.6 mo | |
Extension of PSF | RIBGa | 10 | 56.5 ± 3.6 | 2 (1–6) | 6 (60%) | 4 (40%) | 2 (20%) | 9 (90%), 15.2 mo |
IBGb | 19 | 56.5 ± 9.1 | 1 (1–3) | 8 (40%) | 0 (0%) | 5 (29%) | 15 (79%), 24.2 mo | |
BMP | 56 | 60.5 ± 15.0 | 1 (1–7) | 19 (34%) | 56 (100%) | 12 (21%) | 44 (79%), 12.5 mo | |
IBG + BMP | 1 | 52.6 | 1 (1) | 1 (100%) | 1 (100%) | 1 (100%) | 1 (100%), 29.2 mo | |
Local autograft | 4 | 53.8 ± 12.2 | 1 (1) | 1 (25%) | 0 (0%) | 1 (25%) | 4 (100%), 8.9 mo |