COMPARISON OF EXCISION ARTHROPLASTY, DENERVATION AND TRANS-FEMOROARTICULAR WIRING FOR HIP DYSPLASIA IN DOGS
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Date
2019-09
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SRI VENKATESWARA VETERINARY UNIVERSITY TIRUPATI - 517502. (A.P.) INDIA
Abstract
The present study was conducted on clinical cases of dogs with hip disorders viz,
dysplastic hip, subluxated and luxated hips. Incidence of hip disorders was 13.31% of
orthopedic cases and higher incidence of hip disorders was found in male dogs (62.12%)
than in female dogs (37.87%) and breed wise higher incidence was noticed in Labrador
retriever breed (28.28%) followed by Non-descriptive dogs (17.68%) whereas, the lowest
incidence was observed in Chihuahua and Saint Bernard (1.01%) breeds of dogs. Higher
incidence of hip disorders was observed in dogs aged above five years (47.47%) followed
by dogs of age 0-1 year and between above one year to five years.Hip extended
venterodorsal views of radiographs confirmed the dysplastic, osteoarthritic, subluxated
and luxated hips. Dogs with hip disorders under the study were grouped into three
groupsgroup I,group II and group III. Excision arthroplasty was done in group I dogs where femoral head and neck was excised and joint capsule was sutured to prevent bone contact between femur and acetabulum. Denervation done in group II dogs wherein craniodorsal gluteal nerves on acetabular rim were destroyed using bone curette. Trans-femoroarticular wiring was done in group III dogs for subluxated and luxated hips using nylon wiring. The
dogs were followed up to 60 days. Hematobiochemical changes during the study
period in all the three groups were non significant. Physiological parameters were non
significant in all the three groups. All the dogs in group I were evidenced by grade I
lameness by end of 60 days of study period, five dogs showed grade I lameness in
group II and two dogs showed grade I lameness in group III dogs. Radiological
evaluation in group I revealed clear gap between acetabulum and excised femoral
part. In group II dogs, apparently no change in radiographs were observed during
study period. In group III, dogs four dogs showed good apposition of acetabulum and
head of femur and reluxation in two dogs. Operation procedures were very simple and
less time consuming in group II followed by group I and group III dogs. Functional
assessment of dogs by getting the owners feed back over period of six months
revealed better results in group I and group II dog than group III dog owners.
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