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Table 2 Treatment results of femoral head fracture and dislocation cases

From: Safety of surgical hip dislocation in femoral head fracture and dislocation (FHFD) and avascular necrosis risk factor analysis of FHFD: midterm results confirmed by SPECT/CT and MRI

Patient # Head fixation method Acetabular fixation method Osteotomy site fixation method AVN evaluation method
(MRI/SPECT/CT)
F/u period
(Months)
Bone union
(months)
Radiologic results
(the Matta's criteria)
Functional results
(Merle d 'Aubigne score/ Thompson-Epstein scoring scale)
Heterotrophic ossification
(Brooker classification)
Complication Additional surgery
1 2 cortical screws N/A 2 cortical screws with washer MRI 58 6 Excellent 15 / Good Grade 1 GT nonunion GT nonunion revision surgery
2 3 cortical screws N/A 2 cortical screws with washer MRI 38 7 Excellent 16/Excellent N/A N/A N/A
3 2 headless screw N/A 2 cortical screws SPECT/CT 63 5 Good 14/Good N/A N/A N/A
4 3 cortical screws N/A 2 cortical screws with washer SPECT/CT 34 7 Good 13/Fair Grade 1 Irritation for GT osteotomy site GT screw removal
5 3 cortical screws N/A 2 cortical screws SPECT/CT 78 4 Good 15/Good N/A N/A N/A
6 3 cortical screws N/A 2 cortical screws with washer SPECT/CT 37 5 Excellent 13/Fair N/A N/A N/A
7 3 cortical screws N/A 2 cortical screws with washer SPECT/CT 45 7 Excellent 15/Excellent N/A N/A N/A
8 3 cortical screws N/A 2 cortical screws with washer SPECT/CT 75 None Poor 9/Poor Grade 2 AVN THRA
9 3 cortical screws N/A 2 cortical screws with washer SPECT/CT 38 4 Good 15/Good N/A N/A N/A
10 2 headless screws Compression plate 2 cortical screws SPECT/CT 43 7 Good 16/Excellent N/A N/A N/A
11 2 cortical screws Compression plate with spring plate 2 cortical screws with washer SPECT/CT 34 5 Excellent 17/Excellent N/A N/A N/A
12 2 headless screws Compression plate with spring plate 2 cortical screws MRI 85 4 Excellent 16/Excellent N/A N/A N/A
13 2 cortical screws N/A 2 cortical screws with washer SPECT/CT 38 7 Good 13/Fair Grade 1 N/A N/A
14 2 cortical screws Compression plate with spring plate 2 cortical screws SPECT/CT 56 8 Excellent 15/Good Grade 1 N/A N/A
15 3 cortical screws Compression plate with spring plate 3 cortical screws with washer SPECT/CT 72 5 Good 15/Good Grade 1 N/A N/A
16 4 cortical screws Compression plate with spring plate 2 cortical screws with washer MRI 67 5 Good 14/Good N/A Irritation for GT osteotomy site GT screw removal
17 3 cortical screws Compression plate 2 cortical screws with washer SPECT/CT 45 5 Good 16/Good N/A N/A N/A
18 2 headless screws Compression plate with spring plate 2 cortical screws SPECT/CT 93 6 Fair 14/Fair Grade 1 N/A N/A
19 2 headless screws Compression plate with spring plate 2 cortical screws SPECT/CT 90 7 Excellent 15/Good N/A N/A N/A
20 3 cortical screws Compression plate with spring plate 2 cortical screws with washer SPECT/CT 51 6 Good 14/Fair N/A N/A N/A
21 2 headless screws Compression plate with spring plate 2 cortical screws with washer SPECT/CT 126 7 Good 15/Good Grade 2 N/A N/A
22 3 cortical screws 2 cortical screws 3 cortical screws with washer SPECT/CT 43 10 Fair 13 /Fair N/A N/A N/A
23 2 cortical screws Compression plate with spring plate 2 cortical screws with washer MRI 54 8 Good 16/Good N/A N/A N/A
24 2 headless screws Compression plate with spring plate 3 cortical screws MRI 40 7 Good 15/Good N/A N/A N/A
25 2 headless screws Compression plate with spring plate 2 cortical screws SPECT/CT 59 6 Fair 14/Fair Grade 2 N/A N/A
26 2 headless screws Compression plate 2 cortical screws SPECT/CT 123 7 Good 13/Fair N/A N/A N/A
27 2 headless screws Anchor suture fixation 2 cortical screws SPECT/CT 119 5 Excellent 16/Good N/A N/A N/A
28 1 headless screw Compression plate 2 cortical screws with washer SPECT/CT 53 6 Fair 15/Good N/A N/A N/A
29 3 cortical screws Anchor suture fixation 2 cortical screws with washer MRI 46 6 Good 15/Good N/A N/A N/A
30 3 cortical screws Compression plate 2 cortical screws with washer SPECT/CT 61 4 Good 14/Fair N/A Irritation for GT osteotomy site GT screw removal
31 3 cortical screws Compression plate with spring plate 2 cortical screws with washer SPECT/CT 61 8 Good 17/Excellent N/A N/A N/A
32 3 cortical screws Compression plate with spring plate 3 cortical screws MRI 53 7 Fair 13/Fair Grade 2 N/A N/A
33 4 cortical screws Compression plate 2 cortical screws with washer SPECT/CT 52 4 Excellent 17/Excellent N/A N/A N/A
34 3 cortical screws Compression plate 3 cortical screws with washer SPECT/CT 35 None Poor 8/Poor Grade 3 AVN THRA
  1. AVN, avascular necrosis of the femoral head; F/u, follow-up; N/A, not applicable; MRI, magnetic resonance imaging; SPECT, single photon emission computed tomography; CT, computed tomography; GT, greater trochanter; THRA, total hip replacement arthroplasty