Aspects of coxofemoral luxations in the horse

Barr, A. R.; Fairburn, A. J.

doi:10.1111/eve.12171

Cited by 2 publications

(3 citation statements)

References 19 publications

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“…The size of most equine patients is another major limitation to successful treatment, although it is perhaps fortunate that coxofemoral luxation has a higher reported prevalence in miniature horses and small ponies, 1,4 in which surgical treatment can be successful 6 . However, this may be biased by the preferential referral of such ponies, as they are perceived as easier to treat and often have lower athletic expectations 7 . Most cases are traumatic in origin, although the condition has also been reported secondary to upward fixation of the patella, 8 following prolonged recovery from anesthesia 9 and following recovery in a full hind limb cast 10…”

Section: Introductionmentioning

confidence: 99%

“…6 However, this may be biased by the preferential referral of such ponies, as they are perceived as easier to treat and often have lower athletic expectations. 7 Most cases are traumatic in origin, although the condition has also been reported secondary to upward fixation of the patella, 8 following prolonged recovery from anesthesia 9 and following recovery in a full hind limb cast. 10 Closed reduction under general anesthesia may be attempted in acute cases 4,11 but has a low success rate without appropriate case selection due to muscle contraction and the accumulation of clotted blood and other debris within the acetabulum.…”

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confidence: 99%

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Successful total hip arthroplasty in a miniature horse

Cullen,

Pettitt,

Tomlinson

et al. 2023

Veterinary Surgery

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ObjectiveTo describe the surgical treatment, postoperative management, and outcome of a miniature horse undergoing total hip arthroplasty (THA).Study designCase report.AnimalsA 4‐year‐old miniature horse stallion weighing 85 kg.MethodsThe horse presented with left coxofemoral luxation of ~6 weeks duration. Computed tomography confirmed craniodorsal luxation with marked degenerative changes to the femoral head. The horse underwent THA using cementless press fit implants, including an interlocking lateral bolt for the femoral stem.ResultsThe horse recovered well from anesthesia but suffered a coma‐like episode after returning to a stable. Following treatment of presumed hypovolemia, the horse regained normal mentation and was discharged 24 days after surgery. At reassessment 12 weeks postoperatively, the horse was 2/10 left hind limb lameness at trot with good healing of the surgery site. Five months postoperatively mild (1/10) lameness remained at trot but the horse was able to canter normally on both reins. The horse has since been managed normally with no veterinary treatment required for 32 months postoperatively.ConclusionTotal hip arthroplasty is possible in miniature horses weighing up to 85 kg and can result in a good long‐term outcome.

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%

Successful total hip arthroplasty in a miniature horse

Cullen,

Pettitt,

Tomlinson

et al. 2023

Veterinary Surgery

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“…Identifying the HJC in horses is mandatory for musculoskeletal modelling purposes. In addition, it can improve the evaluation of pelvic limb kinematics in pathology such as hip (sub)luxation (Barr and Fairburn, 2014) and osteoarthritis (Lamb and Morris, 1987).…”

Section: Introductionmentioning

confidence: 99%

A sphere fitting approach to determine the hip joint centre of the horse

Valentin

Peham

Zsoldos

et al. 2017

CEP

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Accurate identification of the hip joint centre (HJC) is crucial for the correct estimation of knee and hip joint loads and kinematics, which is particularly relevant in orthopaedic surgery and musculoskeletal modelling. Several methods have been described for calculation of the HJC in humans, however, no studies have used these methods in the horse despite a similar need for improved evaluation of hip joint biomechanics in rehabilitation and musculoskeletal modelling. This preliminary study uses the commonly used functional method (least-squares sphere fit) to determine the HJC in three equid cadavers. Bone pins with reflective markers attached were drilled into the tuber coxae (TC), tuber ischium (TI), tuber sacrale (TS), greater trochanter (GT), third trochanter (TT) and lateral femoral condyle (FC) of the uppermost limb of the cadavers positioned in lateral recumbency. Three repetitions of passive movements consisting of pro-and retraction, ab- and adduction and circumduction were performed. The HJC was calculated using a least-squares sphere fitting method and presented as a distance from the TC based on a percentage of the TC to TI vector magnitude. Mean (± standard deviation) of the HJC is located 52.4% (± 3.9) caudally, 0.2% (± 6.5) dorsally, and 19.8% (± 4.2) medially from the TC. This study is the first to quantify the HJC in horses ex vivo using a functional method. Further work (in vivo and imaging) is required to validate the findings of the present study.

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Aspects of coxofemoral luxations in the horse

Cited by 2 publications

References 19 publications

Successful total hip arthroplasty in a miniature horse

Successful total hip arthroplasty in a miniature horse

A sphere fitting approach to determine the hip joint centre of the horse

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