Table 2.
Data on the literature
| Authors | Procedure | Study design | FU in month | n | Age in year | Pre-op Cobb angle | Flexibility | Post-op Cobb angle | Correction | Loss of correction | Complications | Op time (min) | Blood loss (ml) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arlet et al. [1] | PIF screws + hooks | r | 32 (18–64) | 15 th. AIS | 15 (11-18) | 79° (70–90°) | 32% | 35° (25–40°) | 54% | 1.1° | 1 exc. bleeding 2 deep infections |
314 | 1,875 |
| Chang et al. [5] | PIF screws | r | 34 (24–52) | 26 AIS | 31 (11-61) | 98° (75–135°) | 18% | 32° | 67% | 1 hemothorax 1revision |
|||
| Kuklo et al. [12] | PIF screws | r | 39 (24–62) | 20 th. AIS | 19 (11-44) | 100° (90–135°) | 29% | 32° (9–73°) | 68% | 2 medial screws 2 temp. decrease MEP |
|||
| Byrd et al. [4] | AIF+PIF (n=14) AR +PIF (n=12) two-staged | r | 49 (24–114) | 26 AIS | 38 (19-58) | 83° (45–160°) | 29% | 44° (10–97°) | 47% | 6° | 1 death 2 neurol. transient palsy 2 implant related compl. |
520 | 3,831 |
| Bradford et al. [3] | AR+PIF | r | 24 | 7 AIS | 24 (7-54) | 91° (80–118°) | ? | 37° (22-60°) | 59% | 3 dural tear 1 deep infection 1 quad. palsy |
730 | 5,500 | |
| Korovessis et al. [11] | AIF+PIF two-staged | r | 32 (12–72) | 34 AIS | 16 (13-29) | 73° th. (40–103°) 70° lu. (40–103°) |
26% th. 53% lu. |
35° (5–75°) th 21° (4–44°) lu. |
52% th. 70% lu.. |
1 exc. bleeding 1 Harrington rod fracture 1 meralgia paresthetica 6 sympathectomysyndrom |
2,662 | ||
| Klockner et al. [10] | AIF+PIF two-staged | r: n=9 p: n=14 | 176 | 23 AIS King II | 14,7 | 68° th. 61° lu. |
33% th. 39% lu.. |
13,2° th. 17,8° lu. |
71% th. 55% lu. |
2 prox. VDS screw loosening | 463 | 2,000 | |
| Shufflebarger et al. [16] | AR+PIF hooks one-staged n=16, two-staged n=10 | R | 35 (24–72) | 26 AIS/75 | (14-71) | 45% one-staged 37% two-staged |
1 respiratory insufficience 1 acute tubulus necrosis 1 hook displacement |
378 one-staged 510 two-staged | 1,580 one-staged 3,060 two-staged | ||||
| Tokunaga et al. [18] | AR + PIF | R | 96 (42–158) | 14 AIS/21 | 17 (10-25) | 107° | 26% Traction | 56° (34–100°) | 52% | 2.5° | 1 transient neurol. complication 3 prolongated ventilation |
293 +PIF | 1,600 +PIF |
| Winter et al. [21] | AIF+PIF two-staged | R | 5 adult | 38 (33-43) | 58° th. 79° lu. |
31% th. 29% lu. |
24% th. 46% lu. |
5° | None | 2,080 | |||
| Present study | AIF+PIF (hooks+screws) one-staged n=30, two-staged n=3 | P | 34 (24–78) | 33 AIS | 18 (11-39) | 93° (80–122°)° | 23% | 31° (14–56°) | 67% | 1.9° | 1 add. chest tube 1 subileus, 1 polyuria 1 superficial wound revision 4 prolongated ventilation |
412 | 1,533 |
AIS Adolescent idiopathic scoliosis, AR Anterior release, AIF Anterior correction and instrumented fusion, PIF Posterior correction and instrumented fusion, p Prospective study, R Retrospective study