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Biomedical subjects

C Picault

Publications and source records attributed to C Picault.

At least 19 recordsLinked to original sources

[Long term results in treatment of residual hip dysplasia by Salter osteotomy (study of 31 cases)].

Thirty-five hips (31 children, operated between 1971 and 1982) were reviewed after skeletal maturity with a mean follow-up of 12 years. The 31 children had been treated initially by closed reduction of the hip using the Somerville-Petit method (mean age: 18 months), and subsequently by innominate osteotomy (mean age: 4 years) to correct a residual dysplasia which was graded upon the VCE angle, and Severin and McFarland's classifications. There were 88% good results; however only 51% of hips were classified Severin Ia and McFarland 1. In this study, the authors tried to assess the long term efficacy of the innominate osteotomy and to determine the optimal time to perform it. They discuss the limits of indications for innominate osteotomy, which could be excessive if spontaneous improvement may be expected to occur. Age and radiological findings are good indicators.

Adolescent↗

[The review of 4300 Charnley total hip replacements inserted between 1968 and 1979 (author's transl)].

4 300 Charnley total hip replacements have been performed since 1968 using either a lateral or a posterior approach. The operative and post operative complications are analysed. 10 p. 100 of the cases had venous complications. There were 125 early dislocations which were easily reduced, and 38 dislocations occurring 6 to 8 years after the operation which were reduced under general anesthesia. There were 5 fractures of the stem of the femoral prosthesis. Instances of wear of the acetabular component were rare. 1.5 p. 100 of severe sepsis occurred leading to the need for the removal of the prosthesis in 23 cases. The percentage of septic complications was much higher in hip that had previously been operated on (5 p. 100) compared with when there had been no previous operation (1. p. 100). Functional results were rated excellent in 85 p 100, good and failure in 2 p. 100. In their conclusions, the authors state that the assessment of the results is difficult because of the age of the patients, the variability in methods of assessment and the presence of associated diseases. They emphasize that the results were consistent even after long periods of time and that wear in the prosthesis is not a hazard, any particles being produced by wear being well tolerated.

Follow-Up Studies↗

[The use of an original brace in the treatment of kyphosis (author's transl)].

The authors have designed an original brace which can be used in the treatment of severe and evolutive hyphosis, when kinesitherapy alone is not sufficient. The brace can be removed during the night and for the practice of sports. It is based on the increase of corrective reflexes. A review of 100 cases showed satisfactory results.

Braces↗

[Chiari pelvic osteotomy in treatment of sequellae of hip osteochondritis (author's transl)].

The authors analyze the results of Chiari pelvic osteotomy in treatment of sequellae of hip osteochondritis with 11 cases of children 6 to 10 years old, operated and reviewed with an average follow up of 21 months. They used the operative procedure decided by Chiari, on orthopaedic table, followed by plaster cast immobilisation for 3 weeks. The Xray results are specially analyzed as the peroperative functional troubles were absent. This procedure is mainly effective on articular congruence with gain not only in lateral but also in anterior head-coverage. The secondary modelling appears to affect either the head and the acetabulum. But the medialization remains poor, which is explained by an analyze of the lower fragment operative displacement. Actually, this operative procedure may be used in late osteochondritis with a coxa magna and specially when a coxa vara or a short neck contra-indicate a femoral osteotomy.

Child↗

[Treatment, at birth, of luxating deformities of the hip. Difficulties, failures and complications. Discussion apropos of coxa vara deformities].

The author has studied 400 newborn babies thought to have unstable hip. The importance of careful clinical and radiological examination is emphasized. An abduction splint must be applied with caution and serial radiographs taken until the hip is normal. In spite of this, one instance of coxa magna, three of osteochondritis and five of coxa vara were found. A classification of coxa vara is suggested to distinguish concordant types compatible with normal hip function from other types.

Hip↗