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Three-dimensional computer-assisted corrective osteotomy with a patient-specific surgical guide for an antebrachial limb deformity in two dogs.

  • Longo F Department of Small Animal Surgery, Vetsuisse Faculty, University of Zurich.
  • Penelas A Department of Small Animal Surgery, Vetsuisse Faculty, University of Zurich.
  • Gutbrod A Department of Small Animal Surgery, Vetsuisse Faculty, University of Zurich.
  • Pozzi A Department of Small Animal Surgery, Vetsuisse Faculty, University of Zurich.
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  • 2019-07-13
Published in:
  • Schweizer Archiv fur Tierheilkunde. - 2019
Bone deformity
Computerassistierte Chirurgie
Deformità ossea
Difformité osseuse
Hund
Knochendeformation
Testoperation
cani
chiens
chirurgia assistita da computer
chirurgia test
chirurgie assistée par ordinateur
chirurgie de répétition
computer-assisted surgery
dogs
guide chirurgiche specifiche al paziente
guides chirurgicaux spécifiques au patient
patient specific surgical guides
patientenspezifische chirurgische Guides
rehearsal surgery
Animals
Dog Diseases
Dogs
Imaging, Three-Dimensional
Limb Deformities, Congenital
Male
Osteotomy
Surgery, Computer-Assisted
Tomography, X-Ray Computed
Treatment Outcome
English We describe patient-specific surgical guide prototyping and surgical treatment of a complex antebrachial deformity in two skeletally mature dogs presented with chronic lameness. Computer-assisted surgery was elected to increase accuracy in the correction of the complex deformity. Radiographs and computed tomography (CT) scans revealed a biplane deformity with valgus, procurvatum and external torsion of the right radius in both cases. The pre-surgical planning started from the quantification of the angular deformity, followed by computer simulated correction and to end up with a rehearsal surgery on 3D printed bone models. During the surgery, the custom-made osteotomy guides closely fitted the bone, allowing for a precise corrective osteotomy, that was stabilized with two locking plates. Postoperative radiographs showed the successful correction of the deformity. Eight and 12 weeks postoperative follow up examinations showed improved lameness, weight-bearing and progression of bone healing in both dogs. Patient-specific surgical guides allowed for a satisfactory correction of the antebrachial deformity. Additional benefits of using customized surgical devices include standardization and reduced surgical time.
Language
  • English
Open access status
green
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Persistent URL
https://folia.unifr.ch/global/documents/191378
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