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Biomedical subjects

J M Bouyala

Publications and source records attributed to J M Bouyala.

At least 19 recordsLinked to original sources

[Sequelae of osteoarthritis of the hip in growing children. Apropos of 72 cases].

The authors reviewed a series of 72 hips in 60 children with sequelae of septic arthritis of the hip to evaluate the long term evolution. The average follow up was 7 years 8 months (Range 1Y-17Y). 40 hips were operated and 32 were not. The results were analysed according to clinical and radiological criterions in an attempt to propose a guide for treatment. Sequelae might also occur after both initial treatment with open drainage or aspiration. The study of sequelae according to the factors of severity (organism, age when infected) showed that the evolution of these cases of arthritis cannot be forecast. The authors noticed that very severe roentgenographic lesions could be well tolerated clinically, at least on a medium term basis. They advise great care before operating on dislocated hips when they are clinically well tolerated. Finally the authors insist on 2 little known lesions: caput valgum and caput antetorsum.

Adolescent

[Hip-shelf procedure in children and adolescents].

Forty-six hips treated by a shelf operation in childhood and adolescence have been reviewed. The mean follow-up was 8 years 1 month (4Y-26Y) after operation. The indications were residual dysplasia of the acetabulum, neurologic hips and sequelae of osteochondritis. All patients were operated after the age of 8.5 years except 2. In poliomyelitis and sequelae of osteochondritis the results were good. In dysplasia we had two bad results in 18 cases (1 painful hip after operation and 1 ankylosing hip) and in cerebral palsy 4 bad results in 13 cases, due to difficulty of maintaining a correct reduction for a long period. After a review of the literature to compare the results of this intervention with pelvic osteotomies we conclude that the shelf procedure is beneficial in childhood and adolescence, due to the quality of acetabular cover, to its improvement in time and to ease of intervention.

Adolescent

[Acute osteomyelitis of the ilium. A study of 2 cases with review of the literature].

The authors have made a review of the literature about two cases of osteomyelitis of the iliac ala. They insist on rarity of the disease and how often the right diagnosis may be delayed because of misleading clinical symptoms. Any tumefaction of the buttock associated with pelvic pain and with an infectious syndrome necessarily evoke an iliac osteomyelitis. The bone scan may be negative which need not exclude the possibility. The evolution may be the formation of intra or extra or sometimes simultaneous sub-periosteal abscesses which must be drained. This is the reason why the authors advise to verify systematically the other side of the ilium by its surgical trepanning in case of a sub-periosteal abscess.

Abscess

[15 cases of vertebral involvement of histiocytosis X in children. Review of the literature].

Fifteen pediatric cases of vertebral involvement in histiocytosis X are reported. The study of these cases and a review of the literature shows that every patient with histiocytosis X should have a local and systemic staging work-up to differentiate isolated eosinophilic granulomas of the bone, multiple eosinophilic granulomas of the bone, and visceral disseminated disease. Management varies according to the extension of the disease. Systemic chemotherapy may be indicated in patients with extraosseous lesions. Local investigations should be performed to look for instability of the spine, which may require surgery, and above all for spread to the soft parts indicating chemotherapy with or without surgery. Forms which are strictly confined to the bone and cause no instability, such as vertebra plana, require no treatment.

Child

[Pygomelus. Apropos of 2 cases and a review of the literature].

The authors report two rare cases of pygomelus monster. The appearance and operative procedures undertaken are described. Pygomelus and caudal duplication are often mixed in literature. This monstruosity is classified in the twin monsters, but minor forms any be discussed with sacro-coccygeal teratomas and reduplication of lower limbs.

Buttocks

[Intertrochanteric osteotomy of the femur in children under 5 years of age. A new osteosynthesis plate].

Between 1980 and 1988, 70 varus inducing and varus derotation osteotomies of the upper end of femur were carried out in children. The osteotomies were maintained by a plate and screws developed by the author. This plate combines a bend to medialize the inferior fragment and screw perforations for easy positioning; it facilitates the procedure since the degree of varus correction depends completely on the shape of the plate. This firmly maintains the desired correction and reduces the amount of radiation received at subsequent controls.

Child, Preschool

[Role of acetabuloplasty in the treatment of residual cotyloid dysplasia before 4 years of age. Apropos of 14 cases followed over 5 years].

Concerning 14 cases with a follow-up of over 5 years, the authors describe their acetabuloplasty technique which is applied to dysplastic sockets with normal cotyloid cavity anteversion, innominate osteotomy is reserved for cases in which this anteversion is excessive; results have been excellent for 11 cases with adequate lowering of the roof-edge of the cavity and improvement of the C and CE angles as well as satisfactory subsequent bone growth; the result was insufficient in 3 cases in which either the head of the femur was off-centre or deformed by osteochondritis. The age of the patients was between 16 and 37 months. No growth disorder caused by the operation has been observed. Three failures may be related to pre-existing abnormalities in the growing areas of the acetabulum or to ischaemic troubles in the femoral head.

Acetabulum

[The treatment of old dislocations of the radial head in children by osteotomy of the upper end of the ulna. Apropos of 15 cases].

Fifteen old dislocations of the radial head in children were treated by open reduction combined with a high osteotomy of the ulna and a reconstruction of the annular ligament. This method, described by the authors in 1978, was used in nine post-traumatic, three congenital, two paralytic and one dislocation associated with multiple exostoses. Twelve children were reviewed with a follow-up of two to 11 years. Nine radial heads remained stable and well reduced. The three congenital dislocations recurred. Eight elbows showed normal alignment and the other four were only improved. Ten elbows had normal movement or better movement than before the operation. Eleven children used their elbow normally or better than before. In all, 14 children were improved, and only one elbow had unaltered function. The results obtained in congenital dislocations should be able to be improved by a number of technical precautions.

Child

New procedure to remove a centrally located bone bar.

A centrally located bone bar of the lower tibia was removed after epiphyseolysis with an Ilizarov device. The bone bridge attached to the metaphysis was easy to remove, and methylmethacrylate was used as an interpositional material. Varus deformity was corrected at the level of the epiphyseolysis. At the 2-year follow-up, there was evidence of further growth and correction of the varus was maintained.

Child

Bone lesions in histiocytosis X.

Sixty-two patients with histiocytosis X were followed for an average of 5 years. The patients were classified into three groups: general visceral types (14 cases), multiple eosinophilic granulomas (nine cases), and solitary eosinophilic granulomas (39 cases). One hundred bony lesions were noted in 60 of the 62 patients. The bone lesions showed progressive improvement in single and multiple eosinophilic granulomas independent of treatment type. After biopsy, patients received no treatment unless there was a dangerous extension into the soft tissues because of its site, i.e., in the skull. In the general visceral types, chemotherapy was effective in visceral sites and in extensions of the tumor outside the bone but did not alter the natural history of the bony lesion.

Adolescent