Risk factors for unilateral cranial cruciate ligament rupture diagnosis in dogs
Rottweilers were the breed at greatest risk of cruciate rupture
This study aimed to evaluate demographic risk factors associated with unilateral cranial cruciate ligament (CCL) rupture diagnosis and to explore demographic and clinical risk factors associated with management of unilateral CCL rupture in dogs under primary veterinary care in the UK.
Researchers used a retrospective cohort study design. Clinical records were automatically searched and manually verified for incident cases of unilateral CCL rupture during 2019 and additional clinical management information extracted.
The research team used multivariable logistic regression modelling to evaluate associations between risk factors and CCL rupture diagnosis and (2) clinical management (surgical or non-surgical).
The analysis included 1,000 unilateral CCL rupture cases and a random selection of 500,000 non-cases.
After accounting for confounding factors, dogs aged six to < nine years, male neutered and female neutered dogs, insured dogs, and Rottweiler, Bichon Frise and West Highland White terrier breeds had increased odds of unilateral CCL rupture diagnosis.
Insured dogs and dogs ≥ 20 kg had increased odds of surgical management, while dogs ≥ nine years and dogs with one non-orthopedic comorbidity at diagnosis with CCL rupture had reduced odds.
These findings inform identification of at-risk dogs, with Rottweilers and Bichon Frise particularly predisposed. Additionally, they contribute to a greater understanding of the clinical rationales used in primary-care veterinary practices to decide between surgical or non-surgical management of unilateral CCL rupture.
C Pegram, et al. “Risk factors for unilateral cranial cruciate ligament rupture diagnosis and for clinical management in dogs under primary veterinary care in the UK.” Vet J. 2023 Jan 25; 292:105952. doi: 10.1016/j.tvjl.2023.105952.
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