Factors affecting width of the canine femorotibial joint space in nonweight-bearing radiographs

Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
Charlotte WhatmoughChristopher R Lamb

Abstract

Caudocranial stifle radiographs with variations in positioning were made in two greyhound cadavers. Radiographs were repeated after each of three interventions: cranial cruciate desmotomy; release of the caudal horn of the medial meniscus; complete medial meniscectomy. The joint space on medial and lateral aspects of the joint was measured by a observer who was unaware of positioning or intervention. One dog had significantly wider joint space than the other (1.0 vs. 1.5mm). The lateral aspect of the joint space was wider than the medial aspect (1.7 vs. 0.7 mm). Medial rotation of the stifle resulted in an increase of 0.4 mm in width of the lateral joint space, whereas lateral rotation of the stifle reduced the lateral joint space by an average of 0.4 mm. Decentering the X-ray beam had no significant effect on joint space width. Tension increased the width of the medial joint space by an average of 1.2 mm and the lateral aspect by an average of 1.3 mm. Cranial cruciate desmotomy resulted in an average 0.3 mm increase in width of the joint space, and medial meniscectomy with an average 0.2 mm reduction of the joint space. Although the femorotibial joint space was affected by iatrogenic stifle injuries and by medial or lateral ro...Continue Reading

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Citations

Jun 5, 2010·Veterinary Surgery : VS·Dominic J Marino, Catherine A Loughin
Nov 6, 2014·The Journal of Small Animal Practice·V DevesaJ Rodriguez-Quiros
Nov 30, 2019·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Wylen Wade WonErin L Brinkman
Feb 14, 2014·The Journal of Small Animal Practice·J Rodriguez-QuirosF S Roman
Apr 23, 2015·Veterinary and Comparative Orthopaedics and Traumatology : V.C.O.T·G L RovestiJ Rodriguez-Quiros
Mar 24, 2016·The Journal of Small Animal Practice·D J McCready, M G Ness
Apr 5, 2014·Journal of the American Veterinary Medical Association·Ellie K NuthDavid S Biller

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