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Evaluation of a maxillofacial miniplate compact 1.0 for stabilization of the ulna in experimentally induced ulnar and radial fractures in pigeons (Columba livia)


Christen, Cornelia; Fischer, Isabelle; von Rechenberg, Brigitte; Flückiger, Mark A; Hatt, Jean-Michel (2005). Evaluation of a maxillofacial miniplate compact 1.0 for stabilization of the ulna in experimentally induced ulnar and radial fractures in pigeons (Columba livia). Journal of Avian Medicine and Surgery, 19(3):185-190.

Abstract

Bone healing of the ulna after osteotomy and fixation with a maxillofacial miniplate (Compact 1.0) was studied in feral pigeons (Columba livia). The ulna and radius were transected with an oscillating bone saw to produce a diaphyseal fracture. Two different procedures for fixation were compared. In procedure 1 (n = 6), the ulna was stabilized with a 6-hole maxillofacial miniplate. In procedure 2 (n = 4), the ulna was stabilized with the plate, and the radius was stabilized with an intramedullary 1.0 Kirschner wire. Plate distortion and bending occurred in all 6 birds with fractures that were immobilized with the plate only, and 1 plate failure was noted with subsequent synostosis. When both bones were immobilized, 2 cases of minimal plate deformation and 1 case of cortical fragment displacement occurred. Callus formation was significantly less pronounced after procedure 2 as compared with procedure 1; however, primary bone healing was not achieved with either procedure. From these results we conclude that dorsal single plating of the ulna with a 6-hole maxillofacial miniplate in experimentally induced ulnar and radial fractures in pigeons does not result in adequate stabilization.

Abstract

Bone healing of the ulna after osteotomy and fixation with a maxillofacial miniplate (Compact 1.0) was studied in feral pigeons (Columba livia). The ulna and radius were transected with an oscillating bone saw to produce a diaphyseal fracture. Two different procedures for fixation were compared. In procedure 1 (n = 6), the ulna was stabilized with a 6-hole maxillofacial miniplate. In procedure 2 (n = 4), the ulna was stabilized with the plate, and the radius was stabilized with an intramedullary 1.0 Kirschner wire. Plate distortion and bending occurred in all 6 birds with fractures that were immobilized with the plate only, and 1 plate failure was noted with subsequent synostosis. When both bones were immobilized, 2 cases of minimal plate deformation and 1 case of cortical fragment displacement occurred. Callus formation was significantly less pronounced after procedure 2 as compared with procedure 1; however, primary bone healing was not achieved with either procedure. From these results we conclude that dorsal single plating of the ulna with a 6-hole maxillofacial miniplate in experimentally induced ulnar and radial fractures in pigeons does not result in adequate stabilization.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Equine Department
05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Uncontrolled Keywords:fracture repair, maxillofacial miniplate, ulna, radius, avian, pigeon, Columba livia
Language:English
Date:2005
Deposited On:27 Mar 2009 15:02
Last Modified:02 May 2016 17:34
Publisher:Association of Avian Veterinarians
ISSN:1082-6742
Publisher DOI:https://doi.org/10.1647/2004-010.1

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