Authors: Darren Carwardine, Alastair Mather, Imogen Schofield, Sorrel Langley-Hobbs, Elena Carbonell-Buj, Alex Belch, Nicolas Barthelemy, Kevin Parsons

Objective: To determine the influence of screw direction on complications following transcondylar screw placement for the treatment of canine humeral intracondylar fissures (HIFs).

Study design: Equivalence, parallel group, randomized clinical trial.

Sample population: Fifty-two client owned dogs (73 elbows).

Authors: Lucy M Fuchter, Dan Wills, William R Walsh, Mark Newman, Chris Tan

Objective: The aim of this study was to compare the interfragmentary compressive force and area of compression generated by cortical screws inserted as either a lag screw or position screw in simulated lateral humeral condylar fractures.

Study design: Ex vivo biomechanical study.

Authors: Stavros Karydas, Alan Danielski

A seven-month-old male Shetland Sheepdog was presented for assessment of thoracic limb lameness of 3 weeks duration.

Authors: Mareike-Kristin Nickel, Lisa Schikowski, Carsten Staszyk, Sebastian Schaub

Authors have commonly observed lamellar periosteal new bone formation at the cranial aspect of the humeral diaphysis in mediolateral radiographs of the humerus for large breed dogs with no evidence of pain or lameness.

Category: Humerus - Imaging
Authors: Oliver J Anderson, Kevin J Parsons, Sorrel J Langley-Hobbs

Objective: To report the configuration, risk factors, fixation methods and complication rates after repair of humeral condylar fractures (HCF) in French bulldogs, and report the presence of humeral intracondylar fissures (HIF) in this population as a possible predisposing factor.

Study design: Retrospective clinical cohort study.

Sample population: Forty-four elbows.

Authors: Matthew Simpson, Richard Meeson

Objectives: The aim of this study was to develop guidelines for the optimal location of drill entry and exit points for insertion of a transcondylar screw across the feline humeral condyle.

Authors: Georg Michael Mund, Thomas Bitterli, Thomas Christian Häußler, Martin Gerwing, Christian Feichtenschlager

Objective: Our objectives were to report complications associated with stabilization of long-bone fractures in cats using a 3.5-mm titanium interlocking nail and to examine the influences of signalment, fracture type and fixation evaluations on the occurrence of complications.

Study design: Retrospective clinical study.

Authors: Geoffrey J Zann, Stephen C Jones, Laura S Selmic, Selena Tinga, Audrey W Wanstrath, James Howard, Nina R Kieves

Objective: To evaluate long-term clinical outcomes of dogs surgically treated for proximal humeral osteochondrosis (OC).

Study design: Cross-sectional study.

Sample population: Twenty dogs (n = 26 shoulders).

Category: Humerus
Authors: Neil J Burton, Hannah Horsewill, Tim H Sparks, Ilaria Caruso

Objective: To design a precontoured plating system for humeral condylar fracture repair in spaniels with humeral intracondylar fissure (HIF) and quantify accuracy of fit of the system on 3D printed bone models.

Study design: Experimental on 3D printed models.