Theses and Dissertations

Issuing Body

Mississippi State University

Advisor

Castaldo, Sarah

Committee Member

Jaffe, Michael

Committee Member

Seitz, Marc

Date of Degree

8-8-2023

Document Type

Graduate Thesis - Open Access

Major

Veterinary Medical Science

Degree Name

Master of Science (M.S.)

College

College of Veterinary Medicine

Department

Department of Clinical Sciences

Abstract

Canine cadaveric forelimbs (136) were randomly assigned to either treatment (aiming device) or control (fluoroscopic-guided) groups, and to either diplomate or resident for humeral transcondylar screw placement. Each limb underwent a transcondylar humeral screw placement from a lateral to medial direction. Digital radiography was used to evaluate screw trajectory, measured as deviation from the epicondylar line, and eccentricity on the humeral condyle. Procedure time, difference in outcome based on experience level, and complications were recorded. In the right limb, screw trajectory with the aiming device was decreased compared to fluoroscopy. There was no difference of accuracy between leg laterality with fluoroscopy. Screw trajectory was increased with resident versus diplomate procedures. Eccentricity deviation was decreased in fluoroscopy groups. The findings of this current study suggest that the universal aiming device produced accurate transcondylar screws with comparable results to fluoroscopic- guided methods.

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