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Table 1.
Summary of the results of studies undertaken SHD (modified Dunn procedure).
| Authors | Year | Patient No. | Mean age | Stable vs. unstable | Physis (open /closed) | Mean (lat.) slip angle pre | Mean slip angle post | Mean follow up (months) | ON rate number (%) | Other complications (number) |
|---|---|---|---|---|---|---|---|---|---|---|
| Leunig et al. [65] | 2007 | 30 | 13 years | Stable (24) | N/A | 50 | N/A | 55 | No patients (0) | HO *(1), screw failure (2), K-wire failure (1) |
| Unstable (6) | ||||||||||
| Ziebarth et al. [68] | 2009 | 40 | 12.8 years | Stable (28) | N/A | 56.6 | 8.6° | 45.6 | No patients (0) | HO (3), residual FAI (1), delayed union (3), wire breakage (3) |
| Unstable (12) | ||||||||||
| Slongo et al. [73] | 2010 | 23 | 11.9 years | Stable (6) | N/A | 47.6° | 4.6° | 29 | 2 Patients (8.6) | Severe OA (1), prominent K-wire (1) |
| Unstable (17) | ||||||||||
| Sucato and Podeszwa [74] | 2010 | 15 | 12.5 years | All unstable (15) | – | N/A | N/A | – | 1 Patient (6.7) | Fixation failure (2) |
| Alves et al. [70] | 2012 | 6 | 12.5 years | All unstable (6) | – | 37.0° | N/A | 20.4 | 4 Patients (66.7) | Fixation failure (2) |
| Madan et al. [71] | 2013 | 28 | 12.9 years | Stable (11) | Open (24) | 59° | 7.5° | 38.6 | 2 Patients (7.14) | Slip progression (1) |
| Unstable (17) | Closed (4) | |||||||||
| Sankar et al. [69] | 2013 | 27 | All unstable (27) | – | N/A | 6° | 22.3 | 7 Patients (26) | Fixation failure (4) | |
| Souder et al. [66] | 2014 | 17 | 12.2 years | Stable (10) Unstable (7) | N/A | N/A | N/A | 15.6 | 4 Patients (23.5) | Chondrolysis (1) |
| Mohamadean et al. [75] | 2014 | 33 | 13.8 years | N/A | N/A | 43° | 4.2° | 24.2 | 2 patients (6) | Deep infection (1) |
| Upasani et al. [64] | 2014 | 43 | 12.0 years | Stable (17) | N/A | N/A | N/A | 21.2 | 10 Patients (23) | Femoral neck nonunion (4), postoperative dislocation (2), HO (2), fixation failure (2), stitch abscess (1) |
| Unstable (26) | ||||||||||
| Bali et al. [76] | 2014 | 8 | 17.8 years | Stable (8) | Closed (8) | 36.6° | 15.4° | 41 | No patients (0) | Femoral neck nonunion (2) |
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