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Paper Information

Journal:   JOURNAL OF VETERINARY RESEARCH   2000 , Volume 55 , Number 1; Page(s) 51 To 55.
 
Paper: 

CLINICAL AND RADIOLOGICAL STUDY OF THE RESURFACING OF FEMORAL HEAD

 
 
Author(s):  REZAEI ALI, SHARIFI DAVOUD
 
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Abstract: 

The experiment was designed as to evaluate the clinical and radiological changes of femoral head resurfacing using foetal skull bone. It was conducted on 15 clinically healthy adult dogs between 1 to 2 years of age and 15 to 25 kg / BW, which were divided in to 3 groups of 5 animals each. The full thickness cartilage of right femoral head was removed in all animals of three groups. The first group acted as control one. Where as resurfacing was done by using the fresh foetal skull bone which was fixed by using 0.8 mm cerclage wire around femoral head in animals group II and III. The hip joint at animals in groups III was fixed by using intramedullary pin (2mm).
The observations were made for 60 days and radiographs were obtained on 0, 15, 30, 45 and 60 days. The non – weigh beating lameness was observed during the first three days in animals group I and the first five days in animals group II. The weight bearing lameness was recorded in these animals till end of second week.
The non weight bearing lameness was noted in 4 animals of group III till end of observation period on 60 days. There were no significant radiological changes on 15, 30, 45 and even 60 days in group I & II animals: where as fading out articular line, secondary articular changes were noted on 30 days in animals group III. Severe disuse atrophy (osteoporosis) there was remarkable reduction in the density of the trochanter major, neck femoral head was reduced on 45 and. 60 days which were indications for susbchondral damage, adhesion and osteoporosis at the fixed hip joint in these animals. The results show that, the resurfacing of femoral head.
Without reducing joint space and joint motion is quite useful for repairing cartilage defects the fixation of joint leading to secondary changes and marked reduction in joint space and motion in not recommended.

 
Keyword(s): CLINICAL SIGNS, RADIOLOGY, RESURFACING, FEMORAL HEAD
 
References: 
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