Evaluation of elbow incongruency using reconstructed CT in dogs suffering fragmented coronoid process

Abstract

This study supports the hypothesis that joint incongruency is associated with FCP in dogs, though is not present in every case at the time of diagnosis. The precise mechanism of development of this incongruency cannot be determined from these data.

In vivo fluoroscopic kinematography of dynamic radio-ulnar incongruence in dogs

“…Our results are also in accordance with the amount of radio-ulnar translation reported in a cadaveric model of simulated triceps pull (Might et al, 2011). Therefore, the widely suspected dynamic radio-ulnar step creation during weight bearing activity (Gemmill et al, 2005;Kramer et al, 2006;Gemmill and Clements, 2007;Smith et al, 2009;Might et al, 2011;Gutbrod and Guerrero, 2012;Starke et al, 2013Starke et al, , 2014Krotscheck et al, 2014a;Mariee et al, 2014;Eljack and Bottcher, 2015) is a consistent physiological pattern of elbow kinematic in dogs. While the results of the current data prove the presence of dynamic RUI in canine elbow joints, the amplitude of dynamic translation was not different between normal and dysplastic joints.…”

“…Axial static RUI is thought to develop because of asynchronous growth between the radius and ulna (Samoy et al, 2006;Lau et al, 2015;Nemanic et al, 2016). However, in a significant number of dogs with medial coronoid disease RUI is not present (Gemmill et al, 2005;Kramer et al, 2006;Eljack and Bottcher, 2015). This might be due to transient RUI during growth, with incongruence having resolved by the time of clinical presentation, which is usually months later.…”

Elbow dysplasia and lesions of the medial coronoid process: correlation between tomographic and arthroscopic findings in thirty cases

“…In this case we believe that arthroscopy underestimates INC whih it is more difficult to detect for the loss of the normal anatomical reference points caused by the distorsions resulting from the introduction of the scope inside the articulation (Reichele 1999) and it is also completely operator-dependent. Contrarily, the MPR reconstructions in CT performed at the level of the LCP allow standardization of the methodology and attainment of more constant parameters (Gemmil et al 2005). This work has underlined the fact that the two imaging techniques, however, does not have to be considered in competition, but as complementary, and it suggests further evaluations of the fissurations of the MCP by CT, as a possible technique for the precocious diagnosis of FCP.…”

Avaliação radiográfica e tomográfica da articulação umerorradioulnar em cães

“…Porém houve boa/moderada concordância para mensuração da incongruência radioulnar no plano sagital entre os observadores. Concluiu-se que nenhuma das cinco incidências radiográficas foi superior à outras para análise radiográfica, uma vez que cada projeção apresentou melhor identificação de um compartimento do cotovelo; medidas ao exame tomográfico para incongruência radioulnar não apresentam reprodutibilidade no corte dorsal, no corte sagital apresentaram boa e moderada concordância entre os observadores e que a mensuração do ângulo da incisura Figura 5.7-Imagens tomográficas reformatadas para mensuração da incongruência radioulnar nos planos sagital e dorsal,segundo o plano transversal, baseado nos estudos de Kramer et al (2006 FOURIE, 1998;GEMMILL et al, 2005), é um termo genérico para descrever má formação ou disfunção da articulação do cotovelo (LJUNGGREN et al, 1966;BEUING et al, 2000). É considerada um grupo de desordens do desenvolvimento que afeta cães de raças grandes (BEUING et al, 2000;MALM et al, 2008;MOORES et al, 2008;LAPPALAINEN et al, 2013) e gigantes (MOORES et al, 2008;MICHELSEN, 2012) e é a causa mais comum de claudicação de membros torácicos em cães jovens (FOX et al, 1982;KRAMER et al, 2006;BURTON et al, 2011;LAPPALAINEN et al, 2013).…”

“…A displasia do cotovelo cursa com manifestações clínicas e radiográficas de osteoartrose (OA), e a ela são relacionadas a não união do processo ancôneo (NUPA), fragmentação do processo coronóide medial (FPCM), osteocondrose do côndilo umeral (OC) e incongruência articular (IA) FOURIE, 1998;WALKER, 1998;BEUING et al, 2000;REICHLE et al, 2000;HAUDIQUET et al, 2002;MASON et al, 2004;GEMMILL et al, 2005;KEALLY;MCALLISTER, 2005;SAMOY et al, 2006;KRAMER et al, 2006;POLLARD, 2007;GEMMILL et al, 2007;MOORES et al, 2008;COOK;COOK, 2009;HOULTON, 2009;TEMWICHITR et al, 2010;GASCH et al, 2012;LAVRIJSEN et al, 2012).…”