Interobserver agreement in the diagnosis of canine hip dysplasia using the standard ventrodorsal hip‐extended radiographic method

Verhoeven, Geert; Coopman, Frank; Duchateau, Luc; Saunders, Jimmy; Rijssen, B. van; Bree, Henri van

doi:10.1111/j.1748-5827.2007.00364.x

Cited by 43 publications

(62 citation statements)

References 11 publications

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“…12,13 First, observers determined whether they would accept the radiograph for evaluation (radiograph is assessable or not). Secondly, observers indicated whether each coxofemoral joint was dysplastic or not, and third provided a final score for each joint according to FCIregulations (A, B, C, D, or E), 15 irrespective of whether the radiograph had been deemed assessable or not.…”

Section: Methodsmentioning

confidence: 99%

“…The correct CHD diagnosis is pivotal to making sound recommendations regarding breeding programs to reduce the frequency of CHD and may prove useful in the clinical management and treatment of CHD. [3][4][5][6][7][8][9]2,[10][11][12][13][14] The CHD diagnosis is characterized by low interobserver agreement for final scoring, which could be due to improper positioning of the pelvis and/or femurs, or to insufficient radiographic contrast and/or detail. The importance of radiographic quality in the diagnosis of CHD has been described.…”

mentioning

confidence: 99%

“…12,13 Therefore, the National Committee for Inherited Skeletal Disorders in Belgium (NCISD) introduced a detailed and morphometric-based technical quality assessment to standardize the evaluation of radiographic quality and thus to improve interobserver agreement. This technical quality assessment is done in a separate reading session.…”

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confidence: 99%

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The Effect of a Technical Quality Assessment of Hip-Extended Radiographs on Interobserver Agreement in the Diagnosis of Canine Hip Dysplasia

Verhoeven

Fortrie

Duchateau

et al. 2010

Veterinary Radiology &Amp; Ultrasound

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Experienced and inexperienced observers evaluated the assessability of 50 radiographs (25 dogs) and determined the hip status (dysplasia/nondysplasia and final scoring according Fe´de´ration Cynologique Internationale [FCI]-criteria) individually. A radiographic technical quality assessment was performed in a separate reading session. Interobserver agreement in determining dysplasia/nondysplasia and FCI-scoring did not significantly increase with the increasing quality of a radiograph, irrespective whether these observers are experienced or not. There was a significant agreement between the technical quality assessment and assessability (Po0.0005). Despite the effort to objectify radiographic quality and to present high-quality radiographs to observers, interobserver agreement on dysplasia/nondysplasia and final scoring, remains low, even in the experienced group. Although increased radiographic quality narrows the range of scoring, the range remains unacceptably high. r

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Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

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The Effect of a Technical Quality Assessment of Hip-Extended Radiographs on Interobserver Agreement in the Diagnosis of Canine Hip Dysplasia

Verhoeven

Fortrie

Duchateau

et al. 2010

Veterinary Radiology &Amp; Ultrasound

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“…Analyses of inter-observer agreement of the FCI system showed that assessment of the morphological characteristics of the hip joints and the final score are highly variable between observers (Verhoeven et al 2007(Verhoeven et al , 2009). …”

Section: Extended Hip Viewmentioning

confidence: 98%

Canine hip dysplasia: phenotypic scoring and the role of estimated breeding value analysis

Cha

Worth

2014

New Zealand Veterinary Journal

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Canine hip dysplasia (CHD) is a developmental orthopaedic disease of the coxofemoral joints with a multifactorial mode of inheritance. Multiple gene effects are influenced by environmental factors; therefore, it is unlikely that a simple genetic screening test with which to identify susceptible individuals will be developed in the near future. In the absence of feasible methods for objectively quantifying clinical CHD, radiographic techniques have been developed and widely used to identify dogs for breeding which are less affected by the disease. A hip-extended ventrodorsal view of the pelvis has been traditionally used to identify dogs with subluxation and/or osteoarthritis of the coxofemoral joints. More recently, there has been emphasis on the role of coxofemoral joint laxity as a determinant of CHD and methods have been developed to measure passive hip laxity. Though well-established worldwide, the effectiveness of traditional phenotypic scoring schemes in reducing the prevalence of CHD has been variable. The most successful implementation of traditional CHD scoring has occurred in countries or breeding colonies with mandatory scoring and open registries with access to pedigree records. Several commentators have recommended that for quantitative traits like CHD, selection of breeding stock should be based on estimated breeding values (EBV) rather than individual hip score/grade. The EBV is a reflection of the genetic superiority of an animal compared to its counterparts and is calculated from the phenotype of an individual and its relatives and their pedigree relationship. Selecting breeding stock on the basis of a dog's genetic merit, ideally based on a highly predictive phenotype, will confer the breeder with greater selection power, accelerate genetic improvement towards better hip conformation and thus more likely decrease the prevalence of CHD.

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“…As part of attempts to control canine HD and reduce its incidence, several radiographic screening programs have been developed worldwide (Dennis 2012). The main canine HD scoring systems using the standard ventrodorsal hip extended (VDHE) view are those of the Fédération Cynologique Internationale (FCI), the Orthopedic Foundation for Animals (OFA) and the British Veterinary Association and the Kennel Club (BVA/KC) (Genevois et al 2007;Verhoeven et al 2007;Comhaire et al 2009;Ginja et al 2009). The relationship between the acetabular and femoral head has great importance in these radiographic screening programs (Thompson et al 2007).…”

mentioning

confidence: 99%

Effects of pelvis rotation on the projected radiographic position of the femoral head in relationship to the acetabulum

Jd¹,

Colaço²,

Alves‐Pimenta³

et al. 2017

Vet. Med. - Czech

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ABSTRACT:The aim of this study was to describe the influence of pelvis rotation on the projected radiographic position of the femoral head in relationship to the acetabulum in the standard ventrodorsal hip extended view, i.e. Norberg angle, pelvic thickness at the level of the cranial effective acetabular rim, femoral head subluxation index, femoral head subluxation category and femoral head-acetabular distance. Twelve adult dogs of large and giant breeds were radiographed in standard hip extended view and with 2°, 4° and 6° of rotation on the right and left sides. Norberg angle, pelvic thickness, subluxation index, subluxation category and femoral head-acetabular distance were measured on radiographs and analysed comparing a normal position with positions of different degrees of rotation for the dependent and non-dependent side. All the studied parameters showed adequate repeatability. Norberg angle and femoral head-acetabular distance did not show significant mean differences in all degrees of rotated pelvis (P > 0.05). The pelvic thickness showed an increase with the degree of rotation on the dependent side (P < 0.05) and a slight decrease on the non-dependent side (P > 0.05). The subluxation index and subluxation category showed an increase with the degree of rotation on the dependent side and a decrease on the non-dependent side (P < 0.05). As the subluxation index and subluxation category are parameters used in the classification of the main international hip dysplasia scoring systems, pelvic rotation can impair the final hip score, especially in scoring systems that are based on the worst joint.

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Interobserver agreement in the diagnosis of canine hip dysplasia using the standard ventrodorsal hip‐extended radiographic method

Abstract: Although interobserver agreement is low, observer experience increases agreement.

Cited by 43 publications

References 11 publications

The Effect of a Technical Quality Assessment of Hip-Extended Radiographs on Interobserver Agreement in the Diagnosis of Canine Hip Dysplasia

The Effect of a Technical Quality Assessment of Hip-Extended Radiographs on Interobserver Agreement in the Diagnosis of Canine Hip Dysplasia

Canine hip dysplasia: phenotypic scoring and the role of estimated breeding value analysis

Effects of pelvis rotation on the projected radiographic position of the femoral head in relationship to the acetabulum

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