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Biomedical subjects

S Voutsinas

Publications and source records attributed to S Voutsinas.

4 recordsLinked to original sources

Internal fixation of hip osteotomy in children. Successful healing in 26 children without postoperative casting.

We assessed the necessity of postoperative casting when a plate was used for fixation of a proximal femoral varus osteotomy. 26 children without postoperative immobilization were compared to 17 children with a cast. No complications were encountered in either group of children and all osteotomies showed similar healing. Our findings indicate that plate fixation provides adequate stability for healing of the osteotomy.

Bone Diseases, Developmental↗

Surgical treatment of the symptomatic accessory navicular.

The accessory navicular is occasionally the source of pain and local tenderness over the instep. If conservative measures fail, surgical treatment may be required and the results of 62 operations to one or both feet in 47 patients are reported. Twenty-six patients were treated by the Kidner operation, in which the main insertion of the tibialis posterior is re-routed; in the remaining 21 the ossicle was merely excised. Excision was as effective as the Kidner technique, provided that the medial surface of the main navicular bone was contoured to prevent any residual prominence. Both procedures were successful in relieving symptoms in the majority of cases and failures resulted from errors in the selection of patients or in the surgical technique. Correction of any associated flat foot was secondary to growth and maturation of the foot rather than to the operation; hence the Kidner procedure does not confer any particular advantages over simple excision.

Adolescent↗

The infrequency of malignant disease in diaphyseal aclasis and neurofibromatosis.

The association of diaphyseal aclasis and neurofibromatosis with malignant neoplasms has been variously reported as between 5 and 28% of all cases, but malignant disease invariably presents at hospital and the true frequency from an unselected group is unknown. The current survey reviews not only hospital patients but also their affected relatives, with particular reference to malignant disease and the cause of death in all family members. A survey of 36 index patients and 80 known affected relatives with diaphyseal aclasis and 37 index patients and 33 known affected relatives with neurofibromatosis has been carried out. The observed proportions with associated malignant disease were 0.9% of all cases of diaphyseal aclasis and 4.3% of neurofibromatosis. The authors consider this is still too high an estimate in view of the number of persons in the families only mildly affected by the inherited disease who cannot be identified, although their malignant disease will be known. A more likely figure for malignant change in diaphyseal aclasis is calculated at 0.5% (or 1.3% of those over 21 years) and in neurofibromatosis 2.0% (or 4.2% of those over 21 years).

Adolescent↗