Clinical Evaluation of a New Surgical Augmentation Technique for Transarticular Atlantoaxial Fixation for Treatment of Atlantoaxial Instability

The feasibility of a newly developed augmentation of ventral fixation technique for surgical stabilization of atlantoaxial instability was clinically evaluated in a cohort of eleven dogs, and long-term clinical outcomes were retrospectively analyzed. The new technique combines wire/suture fixation t...

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Main Authors: Franck Forterre, Ligita Zorgevica-Pockevica, Christina Precht, Kati Haenssgen, Veronika Stein, Pia Düver
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Animals
Subjects:
Online Access:https://www.mdpi.com/2076-2615/13/11/1780
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author Franck Forterre
Ligita Zorgevica-Pockevica
Christina Precht
Kati Haenssgen
Veronika Stein
Pia Düver
author_facet Franck Forterre
Ligita Zorgevica-Pockevica
Christina Precht
Kati Haenssgen
Veronika Stein
Pia Düver
author_sort Franck Forterre
collection DOAJ
description The feasibility of a newly developed augmentation of ventral fixation technique for surgical stabilization of atlantoaxial instability was clinically evaluated in a cohort of eleven dogs, and long-term clinical outcomes were retrospectively analyzed. The new technique combines wire/suture fixation through a transverse hole in the axis anchored by two screws placed in the alae atlantis or at the cranial end of plates used to bridge the atlantoaxial joint ventrally. A previous biomechanical study demonstrated good stability of this technique during shear loading, comparable to the stability achieved with other standard techniques. Ten dogs improved clinically after surgery and returned to a normal life within 3–6 months of surgery. One dog developed aphonia, dysphagia, and died of aspiration pneumonia three days after surgery. The augmentation of conventional ventral atlantoaxial fixation with the transverse bony corridor of the proximal axis body may be a valuable way to enhance stabilization of the atlantoaxial joint.
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spelling doaj.art-6059eedf1ba94589814aa9b4af41cd4b2023-11-18T07:29:37ZengMDPI AGAnimals2076-26152023-05-011311178010.3390/ani13111780Clinical Evaluation of a New Surgical Augmentation Technique for Transarticular Atlantoaxial Fixation for Treatment of Atlantoaxial InstabilityFranck Forterre0Ligita Zorgevica-Pockevica1Christina Precht2Kati Haenssgen3Veronika Stein4Pia Düver5Division of Small Animal Surgery, Department of Clinical Veterinary Medicine, Vetuisse Faculty, University of Bern, 3012 Bern, SwitzerlandDivision of Small Animal Surgery, Department of Clinical Veterinary Medicine, Vetuisse Faculty, University of Bern, 3012 Bern, SwitzerlandDivision of Clinical Radiology, Department of Clinical Veterinary Medicine, Vetsuisse Faculty, University of Bern, 3012 Bern, SwitzerlandDivision of Veterinary Anatomy, Vetsuisse Faculty, University of Bern, 3012 Bern, SwitzerlandDivision of Clinical Neurology, Department of Clinical Veterinary Medicine, Vetsuisse Faculty, University of Bern, 3012 Bern, SwitzerlandDivision of Small Animal Surgery, Department of Clinical Veterinary Medicine, Vetuisse Faculty, University of Bern, 3012 Bern, SwitzerlandThe feasibility of a newly developed augmentation of ventral fixation technique for surgical stabilization of atlantoaxial instability was clinically evaluated in a cohort of eleven dogs, and long-term clinical outcomes were retrospectively analyzed. The new technique combines wire/suture fixation through a transverse hole in the axis anchored by two screws placed in the alae atlantis or at the cranial end of plates used to bridge the atlantoaxial joint ventrally. A previous biomechanical study demonstrated good stability of this technique during shear loading, comparable to the stability achieved with other standard techniques. Ten dogs improved clinically after surgery and returned to a normal life within 3–6 months of surgery. One dog developed aphonia, dysphagia, and died of aspiration pneumonia three days after surgery. The augmentation of conventional ventral atlantoaxial fixation with the transverse bony corridor of the proximal axis body may be a valuable way to enhance stabilization of the atlantoaxial joint.https://www.mdpi.com/2076-2615/13/11/1780atlantoaxial instabilitytoy breed dogsurgical augmentation techniquesurgical stabilization
spellingShingle Franck Forterre
Ligita Zorgevica-Pockevica
Christina Precht
Kati Haenssgen
Veronika Stein
Pia Düver
Clinical Evaluation of a New Surgical Augmentation Technique for Transarticular Atlantoaxial Fixation for Treatment of Atlantoaxial Instability
Animals
atlantoaxial instability
toy breed dog
surgical augmentation technique
surgical stabilization
title Clinical Evaluation of a New Surgical Augmentation Technique for Transarticular Atlantoaxial Fixation for Treatment of Atlantoaxial Instability
title_full Clinical Evaluation of a New Surgical Augmentation Technique for Transarticular Atlantoaxial Fixation for Treatment of Atlantoaxial Instability
title_fullStr Clinical Evaluation of a New Surgical Augmentation Technique for Transarticular Atlantoaxial Fixation for Treatment of Atlantoaxial Instability
title_full_unstemmed Clinical Evaluation of a New Surgical Augmentation Technique for Transarticular Atlantoaxial Fixation for Treatment of Atlantoaxial Instability
title_short Clinical Evaluation of a New Surgical Augmentation Technique for Transarticular Atlantoaxial Fixation for Treatment of Atlantoaxial Instability
title_sort clinical evaluation of a new surgical augmentation technique for transarticular atlantoaxial fixation for treatment of atlantoaxial instability
topic atlantoaxial instability
toy breed dog
surgical augmentation technique
surgical stabilization
url https://www.mdpi.com/2076-2615/13/11/1780
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