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AIMS: This pilot study aimed to evaluate prospectively the use of inlet radiographs of the hip as an alternative method of the assessment of reduction after the surgical treatment of developmental dysplasia of the hip (DDH). PATIENTS AND METHODS: The children in this study underwent surgery between January 2013 and January 2015. All had inlet radiographs and CT scans post-operatively. Data were analysed by determining inter-observer reliability and intra-observer reproducibility, using the kappa value (K). Differences were settled by discussion between the two observers until a consensus was reached. The sensitivity and specificity of the radiographic and CT results were compared. A total of 26 radiographs were obtained from 23 children, with a mean age of 2.38 years (one to five). RESULTS: Similar high levels of intra- and inter-observer agreement were observed (K = 0.834, 95% confidence interval (CI)). There was a high agreement between the radiographic and CT results (K = 0.834, 5% CI), with excellent sensitivity and a specificity of 95.5%. CONCLUSION: These results suggest that inlet radiographs may be a reliable method of assessing the reduction of the hip after the surgical treatment of DDH. Cite this article: Bone Joint J 2017;99-B:697-701.

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The authors present a study about the frequency of the injuries caused by traffic accidents on the orthopedic patients admitted to the emergency of Institute of Orthopedics and Traumatology at the Hospital das Clínicas of the School of Medicine São Paulo University, before and after the new National Traffic Code. They found a decreased number of polytraumatized patients and severe injuries after the beginning of this new legislation.

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The authors studied a group of 52 patients with Legg-Calvé-Perthes disease who had been treated by femoral varus osteotomy (54 osteotomies) aiming to show the end results and complications of the procedure based on Stulberg et al's evaluation. Regarding this classification of results were found 19 osteotomies (35.1%) with a good result (Stulberg's Groups 1 and 2), 35 (64.8%) with a fair end result (Stulberg's Groups 3 and 4) and none poor result. Few complications were observed in this series: pseudarthrosis occurred in three cases; Trendelemburg was observed in five patients postoperatively and overgrowth of the greater trochanter was observed in seven patients. In nine patients it was observed a significant leg length discrepancy with more than 2.1 cm of difference. However by the end results observed we may say that good results can be obtained with this technique in the treatment of patients with Legg-Calvé-Perthes disease. It is very important the indication criteria adopted based on the prognosis of the individual case studied.

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In the period 1987-1993, 13 patients were treated for both infected and non-infected long bone pseudoarthrosis by Ilizarov method. The records and radiographs of nine boys and four girls, with the age ranging from 7 to 16 years, with an average of 12.3 years, were reviewed. All but one concerned the tibia. In one case the pseudoarthrosis was localized in the humerus. Ten were infected. Ten had bone loss, all in the tibia, 2.5 to 8.0 cm in the extension of. All the results were considered good and the complications observed were few and not related with the treatment.

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Between 1987 and 1991, 209 patients were operated by the Ilizarov method in the Department of Orthopaedic and Traumatologic Surgery of the University of São Paulo Medical School. Five of them presented vascular complications during the treatment. All were adults treated for long bone pseudarthrosis. The vascular lesion occurred in the femoral superficial artery (one case), in the popliteal artery (one case), and in the posterior tibial artery (one case); in the remaining two patients it was not possible to determine the exact site of the lesion. The clinical manifestation of the vascular problem was bleeding at the cutaneous point of the Kirschner transfixation wires. Arteriography was done in all cases but its interpretation was difficult because of the presence of the external fixator. The treatment of the vascular complications was following: in the case of injury in the femoral artery, the external fixator was taken off and a by-pass with an inverted graft of the saphenous vein was made the same procedure was done in the popliteal artery but in this case it was not necessary to remove the external fixator; the remaining case with the lesion in the posterior tibial artery was treated by ligature. In two cases where the artery involved was not determined--one in the upper extremity with the external fixator applied to the femur--the bleeding stopped after the removal of wires.

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In a retrospective review of 77 patients with arthrogryposis multiplex congenita, 21 showed involvement of the hip (28%). The authors studied 18 cases with hip dislocation (11 bilateral and seven unilateral) and three with hip contracture. There were 12 female and nine male patients ranging their age from one month to 14 years. The follow-up in this series lasted from two to 23 years. The treatment was conservative or surgical. The contractures were treated by manipulation and abduction orthosis in one patient and surgically by multiple hip tenotomy in two. The dislocation was treated by abduction orthosis (two cases), closed reduction (two cases) and open reduction (one case) in the 11 cases with bilateral involvement; for the seven unilateral dislocations the treatment was: closed reduction and abduction orthosis (one case), closed reduction with abductor tenotomy and hip spica cast (four cases) and open reduction followed by hip spica and abduction orthosis (one case); one case remained without treatment of the hip involvement because of severity of deformities in knee and foot. Ten patients of this groups were not treated because they were confined to wheelchairs. The overall result was good in six patients, regular in four and poor in two in the dislocation group; for the three cases of hip contracture the result of treatment was good. In conclusion the authors recommend such treatment for the independent ambulatory patients and emphasize the necessity of treatment of patients with unilateral hip involvement.

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