Introduction
Materials and methods
Patients
Surgical procedure
Radiological assessment
Statistical analysis
Results
Patients
Patients | Sex | GMFCS status | Age at surgery (years) | Follow-up (years) | Acetabular angle (°) | Reimers index (%) | Neck-shaft angle (°) | Complications | MCPHSC score | Others surgical procedures | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pre-op | Post-op | Last follow-up | Pre-op | Post-op | Last follow-up | Pre-op | Post-op | Last follow-up | ||||||||
1 | F | 5 | 5.3 | 10.0 | 28 | 28 | 26 | 57 | 35 | 86 | 146 | 108 | 150 | Hip dislocation | 5 | N |
2 | F | 5 | 8.1 | 10.5 | 34 | 24 | 18 | 53 | 23 | 44 | 148 | 120 | 170 | Hip subluxation | 4 | N |
3 | F | 5 | 4.5 | 10.1 | 34 | 5 | 12 | 61 | 0 | 8 | 168 | 115 | 138 | N | 1 | N |
4 | M | 5 | 3.5 | 14.4 | 33 | 15 | 22 | 55 | 0 | 0 | 170 | 118 | 140 | Contralateral hip subluxation | 1 | Contralateral hip one-stage reconstruction |
5 | F | 5 | 6.2 | 6.2 | 30 | 10 | 8 | 65 | 0 | 0 | 160 | 130 | 135 | N | 1 | N |
6 | M | 5 | 6.5 | 6 | 38 | 15 | 8 | 58 | 0 | 0 | 166 | 138 | 130 | N | 1 | N |
7 | F | 5 | 5.7 | 9.1 | 32 | 22 | 20 | 50 | 15 | 25 | 150 | 118 | 120 | N | 3 | N |
8 | F | 5 | 12.2 | 7.8 | 27 | 8 | 10 | 47 | 0 | 17 | 150 | 108 | 130 | N | 3 | N |
9 | F | 4 | 9.6 | 11.5 | 35 | 15 | 20 | 68 | 13 | 0 | 150 | 105 | 130 | N | 1 | Spine fusion |
10 | M | 4 | 13.2 | 7.6 | 45 | 10 | 5 | 100 | 0 | 0 | 175 | 110 | 130 | N | 1 | N |
11 | M | 5 | 5.3 | 12.5 | 12 | 5 | 24 | 50 | 0 | 0 | 160 | 110 | 110 | N | 1 | N |
12 | M | 5 | 9.1 | 11.2 | 24 | 10 | 18 | 50 | 8 | 26 | 95 | 90 | 120 | N | 3 | Spine fusion |
13 | M | 5 | 5.0 | 10.2 | 31 | 5 | 17 | 100 | 0 | 0 | 160 | 130 | 125 | N | 1 | N |
14 | M | 5 | 7.9 | 6.7 | 24 | 14 | 13 | 31 | 0 | 26 | 138 | 82 | 92 | N | 3 | N |
15 | M | 5 | 4.5 | 11.5 | 28 | 6 | 12 | 52 | 0 | 20 | 150 | 117 | 130 | Contralateral hip subluxation | 3 | Contralateral hip one-stage reconstruction |
16 | M | 5 | 8.7 | 6.9 | 32 | 13 | 15 | 70 | 0 | 25 | 154 | 114 | 132 | N | 3 | N |
17 | M | 5 | 10.9 | 8.0 | 20 | 5 | 20 | 54 | 0 | 0 | 140 | 123 | 125 | Contralateral hip subluxation | 1 | Spine fusion |
18 | F | 5 | 10.1 | 5.5 | 35 | 15 | 18 | 70 | 0 | 0 | 150 | 100 | 110 | Contralateral hip subluxation | 1 | N |
19 | M | 5 | 12.9 | 7.8 | 30 | 16 | 14 | 60 | 0 | 15 | 170 | 142 | 148 | N | 2 | N |
20 | M | 5 | 13.5 | Septic pseudarthrosis | 6 | Femoral head resection |
Radiological parameters
Neck shaft angle evolution (°) | Acetabular angle evolution (°) | Reimers index evolution (%) | |||
---|---|---|---|---|---|
<8 years | >8 years | <8 years | >8 years | <8 years | >8 years |
55 | 18 | 7 | −6 | 8 | 21 |
22 | 18 | 7 | 2 | 0 | 25 |
13 | 25 | 6 | 8 | 20 | 19 |
−2 | 26 | 17 | 4 | 0 | −13 |
0 | 10 | 24 | −12 | 0 | 0 |
22 | 2 | −2 | 15 | 51 | 0 |
2 | 40 | −2 | 2 | 10 | 17 |
43 | 8 | 8 | −2 | 28 | 15 |
5 | −5 | −2 | −10 | 0 | 0 |
−8 | −7 | 0 | |||
10 | −1 | 0 | |||
p* = 0.45 | p* = 0.15 | p* = 0.08 |