Femoral Neck Thickness Index as an Indicator of Proximal Femur Bone Modeling

The alteration in the shape of the femoral neck is an important radiographic sign for scoring canine hip dysplasia (CHD). Previous studies have reported that the femoral neck thickness (FNT) is greater in dogs with hip joint dysplasia, becoming progressively thicker with disease severity. The main o...

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Bibliographic Details
Published in:Veterinary sciences 2023-05, Vol.10 (6), p.371
Main Authors: Franco-Gonçalo, Pedro, Pereira, Ana Inês, Loureiro, Cátia, Alves-Pimenta, Sofia, Filipe, Vítor, Gonçalves, Lio, Colaço, Bruno, Leite, Pedro, McEvoy, Fintan, Ginja, Mário
Format: Article
Language:English
Subjects:
Arthritis
Bone dysplasia
bone modeling
canine hip dysplasia
Diagnosis
Disease
dog
Dogs
Dysplasia
femoral neck thickness index
Femur
Hip
Hip joint
Orthopedics
Osteoarthritis
Statistical analysis
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Summary:The alteration in the shape of the femoral neck is an important radiographic sign for scoring canine hip dysplasia (CHD). Previous studies have reported that the femoral neck thickness (FNT) is greater in dogs with hip joint dysplasia, becoming progressively thicker with disease severity. The main objective of this work was to describe a femoral neck thickness index (FNTi) to quantify FNT and to study its association with the degree of CHD using the (FCI) scheme. A total of 53 dogs (106 hips) were randomly selected for this study. Two examiners performed FNTi estimation to study intra- and inter-examiner reliability and agreement. The paired -test, the Bland-Altman plots, and the intraclass correlation coefficient showed excellent agreement and reliability between the measurements of the two examiners and the examiners' sessions. All joints were scored in five categories by an experienced examiner according to FCI criteria. The results from examiner 1 were compared between FCI categories. Hips that were assigned an FCI grade of A (n = 19), B (n = 23), C (n = 24), D (n = 24), and E (n = 16) had a mean ± standard deviation FNTi of 0.809 ± 0.024, 0.835 ± 0.044, 0.868 ± 0.022, 0.903 ± 0.033, and 0.923 ± 0.068, respectively (ANOVA, < 0.05). Therefore, these results show that FNTi is a parameter capable of evaluating proximal femur bone modeling and that it has the potential to enrich conventional CHD scoring criteria if incorporated into a computer-aided diagnosis capable of detecting CHD.
ISSN:2306-7381
2306-7381
DOI:10.3390/vetsci10060371