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International Orthopaedics

, Volume 3, Issue 4, pp 317–321 | Cite as

Experimental scoliosis by epiphysiodesis in pigs

  • J. L. Beguiristain
  • J. De Salis
  • A. Oriaifo
  • J. Cañadell
Article

Summary

Using two-month-old pigs selective epiphysiodesis of the neurocentral cartilage was performed using cancellous screws inserted to achieve effective compression. The operation was performed on eight experimental animals, on the right side, involving four or five vertebrae at the mid thoracic level. The procedure consistently caused structural scoliosis, convex on the side of operation. The radiographic, macroscopic and microscopic findings in the experimental animals are described. In other animals so treated at ages when the neurocentral cartilage is not active rotational deformity did not occur.

Key words

Scoliosis Epiphysiodesis Pigs Neurocentral cartilage 

Résumé

Une épiphysiodèse sélective du cartilage neurocentral a été pratiquée sur des porcs de deux mois à l'aide de vis à spongieux mises en place afin de réaliser une compression efficace. L'opération a été effectuée sur huit animaux d'expérience, du côté droit, et a porté sur quatre ou cinq vertèbres, à l'étage dorsal moyen. Cette technique entraîne régulièrement une scoliose structurale à convexité du cóté opéré. Description des constatations radiographiques, macroscopiques et microscopiques, faites sur les animaux d'expérience. Chez d'autres animaux, ayant subi la même opération à un âge où le cartilage neurocentral n'est plus actif, la déformation en rotation ne s'est pas produite.

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Copyright information

© Springer-Verlag 1980

Authors and Affiliations

  • J. L. Beguiristain
    • 1
  • J. De Salis
    • 1
  • A. Oriaifo
    • 1
  • J. Cañadell
    • 1
  1. 1.Department of Orthopaedic Surgery, Faculty of MedicineUniversity of NavarraPamplonaSpain

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