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Toggle rod stabilisation of coxofemoral luxation in 14 cats
A Pratesi1, J Grierson, A P Moores
1Anderson Moores Veterinary Specialists, Bunstead Barns, Hursley, Winchester, Hampshire, SO21 2LL.
Objectives:
To describe the surgical technique and to report outcomes in cats with coxofemoral luxation treated with open reduction and toggle rod stabilisation.
Methods:
Retrospective study of cats with coxofemoral luxation stabilised via the toggle rod method. Short-term follow-up included clinical examination and radiographs. Long-term follow-up was via owner questionnaire.
Results:
Fourteen cats were included. All of the cats had reported unilateral craniodorsal hip luxation. Nine cats (64·3%) had additional orthopaedic injuries. Luxations were stabilised with a 3·2-mm toggle rod (2·7-mm toggle rod in one cat) and two loops of four-metric polydioxanone (five-metric polydioxanone in one cat and three loops of four-metric polydioxanone in two cats). Success rate, in terms of maintenance of reduction, was 86%. Reluxation occurred in two cats (14%), both of which had multiple limb injuries. Eleven owner questionnaires (mean follow-up time 15·5 months) reported a functional outcome of "very good" to "excellent". Although the diameter of the pelvic canal was reduced by the presence of the toggle rod (mean narrowing 16.2%), none of the cats had defaecatory issues.
Clinical Significance:
Toggle rod stabilisation is an effective method for the treatment of coxofemoral luxation in cats. Injuries to multiple limbs may be a risk factor for reluxation.
