Computed tomography is superior to radiography for detection of feline elbow osteoarthritis

Ley, Charles J.; Leijon, Alexandra; Uhlhorn, Margareta; Marcelino, Leticia; Hansson, Kerstin; Ley, Cecilia

doi:10.1016/j.rvsc.2021.07.025

Cited by 4 publications

(3 citation statements)

References 31 publications

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“…Lascelles et al [9] found a very high prevalence of appendicular and axial skeleton OA in cats, and ever since OA has been considered the most common orthopedic disease of domesticated cats. Previous studies suggested the elbow [5,6,50,51] and hip [4,9,18,25] joints are the feline joints most commonly affected by OA. However, Lascelles et al [9] reported that in the domesticated cat population, the most frequently affected joints are the hip, followed by the knee, tarsus, and then elbow [9].…”

Section: Discussionmentioning

confidence: 99%

“…Thus, further research should include the assessment of stress indicators or the collection of data on stress behaviors in history. The imaging diagnostics of feline knee joint OA should be extended by using more accurate modalities such as computed tomography [51,73] and magnetic resonance imaging [74], as it is in humans [75,76] and dogs [77]. Although conventional radiography is still the first-choice imaging modality in the diagnosis and follow-up of feline OA [9,78], its significant drawbacks such as low sensitivity and poor correlation with clinical status support the dissemination of CT-and MRI-based OA diagnosis [79].…”

Section: Discussionmentioning

confidence: 99%

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Knee Joint Osteoarthritis in Overweight Cats: The Clinical and Radiographic Findings

Bonecka,

Skibniewski,

Zep

et al. 2023

Animals

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Despite a high prevalence of osteoarthritis (OA) reported in the domesticated cat population, studies on feline knee joint OA are scarcer. Knee joint OA is a painful, age-related, chronic degenerative joint disease that significantly affects cats’ activity and quality of life. In dogs and humans, one may consider overweight as a risk factor for the development and progression of knee joint OA; therefore, this study aims to assess the severity of knee joint OA in the body-weight-related groups of cats concerning clinical symptoms and radiographic signs. The study was conducted on sixty-four (n = 64) cats with confirmed OA. The demographic data on sex, neutering, age, and breed were collected. Then, the body condition score (BCS) was assessed, and each cat was allocated to the underweight, normal-weight, or overweight group. Within clinical symptoms, joint pain, joint swelling, joint deformities, lameness, reluctance to move, and apathy were graded. Based on the radiographic signs, minor OA, mild OA, moderate OA, and severe OA were scored. Prevalence and co-occurrence of the studied variables were then assessed. Joint pain was elicited in 20–31% of the OA-affected joints, joint deformities in 21–30%, and lameness in 20–54%, with no differences between weight-related groups. Severe OA was detected in 10–16% of the OA-affected joints, with no differences between weight-related groups. Severe OA in feline knee joints appears with similar frequency in overweight, underweight, and normal-weight cats. However, the general prevalence of clinical symptoms and radiographic signs is different in overweight cats.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Knee Joint Osteoarthritis in Overweight Cats: The Clinical and Radiographic Findings

Bonecka,

Skibniewski,

Zep

et al. 2023

Animals

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“…Thus we examined how often independent consensus remained between the two independent readings, and also if any of these consensus scores changed between the first and second readings. Because consensus can also be defined as a ‘majority decision’ in clinical assessments 11 , 25 , we reran these analyses based on independent consensus being defined by the majority decision (i.e. at least 2 observers agree on the score, and this is considered the consensus score).…”

Section: Methodsmentioning

confidence: 99%

Repeatability of radiographic assessments for feline hip dysplasia suggest consensus scores in radiology are more uncertain than commonly assumed

Ball

Uhlhorn

Eksell³

et al. 2022

Sci Rep

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Variation in the diagnostic interpretation of radiographs is a well-recognised problem in human and veterinary medicine. One common solution is to create a ‘consensus’ score based on a majority or unanimous decision from multiple observers. While consensus approaches are generally assumed to improve diagnostic repeatability, the extent to which consensus scores are themselves repeatable has rarely been examined. Here we use repeated assessments by three radiologists of 196 hip radiographs from 98 cats within a health-screening programme to examine intra-observer, inter-observer, majority-consensus and unanimous-consensus repeatability scores for feline hip dysplasia. In line with other studies, intra-observer and inter-observer repeatability was moderate (63–71%), and related to the reference assessment and time taken to reach a decision. Consensus scores did show reduced variation between assessments compared to individuals, but consensus repeatability was far from perfect. Only 75% of majority consensus scores were in agreement between assessments, and based on Bayesian multinomial modelling we estimate that unanimous consensus scores can have repeatabilities as low as 83%. These results clearly show that consensus scores in radiology can have large uncertainties, and that future studies in both human and veterinary medicine need to include consensus-uncertainty estimates if we are to properly interpret radiological diagnoses and the extent to which consensus scores improve diagnostic accuracy.

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Diagnostic de l’arthrose chez le chat

Decambron¹

2022

Le Nouveau Praticien Vét canine & féline

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L’arthrose est une maladie inflammatoire chronique caractérisée par le développement d’une douleur et d’une perte de fonction articulaires. Des signes d’arthrose sont identifiés chez 22 à 74 % des chats et elle est très généralement polyarticulaire, axiale et appendiculaire. Les signes de douleurs chroniques chez le chat sont progressifs et subtils et peuvent rester non identifiés, d’autant que le chat fait souvent preuve d’inhibition. Il est fréquent que le chat présente des modifications du comportement (tempérament, hygiène, mobilité) et des signes d’hypersensibilité (douleur disproportionnée par rapport aux stimuli). En raison de cette dernière, plus de 30 % des chats arthrosiques montrent une agitation soudaine sans raison apparente, des vocalises, des trémulations musculaires, une irritation au toucher, ou un léchage/mordillement soudain. L’arthrose féline reste sous-diagnostiquée car il n’existe pour le moment pas d’outil unique ayant une sensibilité et une spécificité suffisantes pour permettre d’établir un diagnostic de certitude. Le clinicien doit combiner l’ensemble des informations obtenues par le propriétaire (historique, questionnaire, CMI), l’examen orthopédique et les examens d’imagerie. Concernant ces derniers, le scanner est supérieur à la radiographie. Si toutes les informations de cette triade sont concordantes alors le diagnostic est établi. La présence de 2 paramètres sur 3 entraîne une suspicion et l’épreuve thérapeutique ou d’autres examens complémentaires pourront être proposés.

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Computed tomography is superior to radiography for detection of feline elbow osteoarthritis

Cited by 4 publications

References 31 publications

Knee Joint Osteoarthritis in Overweight Cats: The Clinical and Radiographic Findings

Knee Joint Osteoarthritis in Overweight Cats: The Clinical and Radiographic Findings

Repeatability of radiographic assessments for feline hip dysplasia suggest consensus scores in radiology are more uncertain than commonly assumed

Diagnostic de l’arthrose chez le chat

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