EVALUATION OF POSITIVE PROFILE END THREADED TITANIUM INTRAMEDULLARY PINS WITH AND WITHOUT APPLICATION OF BIOMATERIALS FOR MANAGEMENT OF LONG BONE FRACTURES IN DOGS
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Date
2020-08
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SRI VENKATESWARA VETERINARY UNIVERSITY TIRUPATI - 517 502. (A.P.) INDIA
Abstract
The present study was conducted on long bone fractures in dogs to test the suitability of positive profile end threaded pins made up of stainless steel and titanium and to evaluate the effect of biomaterials in the augmentation of fracture healing. Detailed history and signalment were recorded at the time of presentation and physical examination was carried out to locate the fracture. The cases were randomly categorized into four groups of six dogs based on preoperative radiographic evaluation. The fractures were stabilized with self-tapping positive profile end threaded intramedullary pins made up of stainless-steel in group-I, titanium in groups-II, III and IV. The fracture gap was left as such in groups-I and II, filled with osseograft and osseomold in group-III and with osseograft and autogenous cancellous graft in group-IV. Hematological and biochemical parameters were recorded and compared between the groups. Clinical and radiographic evaluation was carried out on the 7th, 15th, 30th, 60th and 90th postoperative days and the
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findings were compared between the groups. The amount of callus formed during the process of fracture healing was felt comparatively less in group-IV than that in other groups. The earliest radiographic healing was noticed in group-IV followed by groups-III, II and I in the same order. There was no significant difference in the values of fracture healing scores among different groups during various periodic intervals. Group-IV dogs showed a better clinical outcome followed by groups-III, II and I in the same order. Migration of the implant was noticed in three cases on the 60th postoperative day by which time, bridging callus covering the fracture gap was noticed in them. Osteomyelitis was noticed in one case which later resolved by administration of antibiotics.
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