CLINICAL EVALUATION OF MODIFIED GASTROCNEMIUS TENECTOMY TO RELIEVE SPASTIC PARESIS ALONG WITH BIOCHEMICAL AND HISTOPATHOLOGICAL STUDIES IN SPASTIC BULLOCKS

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dc.contributor.advisorParsania, R R
dc.contributor.authorBarvalia, Devshibhai R
dc.date.accessioned2018-04-23T09:35:51Z
dc.date.available2018-04-23T09:35:51Z
dc.date.issued1995
dc.description.abstractOn field survey of Jamnagar district, a total of 59 cases of spastic paresis in bullocks were recorded. It represented 0.05 and 0.11 per cents of total cattle and bullock population, respectively; with 6 to 10 years age of onset accounting for 55.9 per cent of spastic cases. Maximum incidence of 59.3 per cent was seen in Kankrej breed and on the whole bilateral cases accounted for 69.5 per cent. In unilateral cases, during initial stage overextended hock and stiff gait was seen, with aggravation of signs like severe spasticity of gastrocnemius muscle with tensed Achilles tendon in advanced stages. In unilateral cases backward abduction of spastic limb was a predominant sign; while in bilateral cases perpendicular suspension was seen and usually one leg was severely affected than the other. In eight bullocks modified gastrocnemius tenectomy (Group I) involving transection of superficial and deep tendons of gastrocnemius muscle and entire calcaneal covering; was done under xylazine sedation and local infiltration anaesthesia. The bullocks developed complications till one month like slightly dropped hock with knuckling of fetlock and jerky stepping of the operated limb. To obviate this in subsequent 24 clinical cases, deep 'C shaped calcaneal covering was not resected {Group II) and this yielded complete relief in spasticity signs in 19 bullocks (79.2%) with notably not a single case of relapse. Out of six bullocks operated by traditional tenotomy (Group III), complete improvement was seen only in three cases. Different clinical parameters like hock angle, height of heel from the ground, lameness score, dropping of hock were recorded at 0, 1, 2, 3, 5, 7, 15, 30, 60, 90 and 120 days of operation. Mean lameness score came to near normal on 90 to 120 days of operation, in groups I and II, while in group III, it never came to near normal. The decline in heel height was comparatively gradual in group II than in group I and became obscure on day 15 onwards, while in group III, after an initial decrease it increased remarkably between days 60 to 120. The pattern of improvement in degree of hock drop was almost uniform till 60 days after operation in all the groups, thereafter near normal value persisted till 120 days in groups I and II, while in group III, it decreased due to recurrence on day 90. The mean hock angle decreased significantly till 7th day after operation, thereafter in group II, no change was seen, while in groups I and III, it increased on day 30 and 60, respectively. During work performance, lesser rise and earlier fall in vital signs during and after completion of work were observed in normal bullocks than operated. Among the physical properties of synovial fluid; gross appearance was affected in 20 pencent, viscosity was low in 17.5 per cent and mucin precipitate quality was poor in 10 per cent of the spastic bullocks. Of different biochemical constituents estimated in synovial fluid and serum, the concentrations of LDH, GOT and AKP were reduced significantly , while ACP increased in tarsal synovial fluid of spastic animals as compared to normal. Other significant changes in synovial fluid were fall in magnesium concentration and increase in TP concentration. Serum concentrations of LDH, GOT and AKP were significantly higher in spastic animals along with low serum magnesium and manganese concentrations. In spastic animals the average number of muscle fibres per unit area were significantly higher and the mean diameter of muscle fibres were lower, when compared to normal bullocks. Further the mean percentage of intermediate muscle fibres was low whereas that of red fibres was higher. Histopathological changes in the gastrocnemius of affected bullocks indicated progression of moderate to severe degrees of myodegeneration and necrosis frequently coupled with dystrophic calcification along with considerable involvement of the vascular compartments. Affected tendons revealed progression of subacute to chronic type of active tenovitis. Tarsal radiographs of the spastic bullocks showed consistent abnormal tarsal steepness, increased angle between tibia and metatarsus, protuberation of dorsal part of distal tibial epiphysis and varying degrees of osteoporosis and exostoses in the bones of intertarsal and tarsometatarsal joints. From this study, it can be concluded that modified gastrocnemius tenectomy without transection of deep calcaneal tissues is a superior technique of all in correcting spastic paresis in adult bullocks, more so under field conditions.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810044387
dc.keywordsCLINICAL EVALUATION OF MODIFIED GASTROCNEMIUS TENECTOMY TO RELIEVE SPASTIC PARESIS ALONG WITH BIOCHEMICAL AND HISTOPATHOLOGICAL STUDIES IN SPASTIC BULLOCKSen_US
dc.language.isoenen_US
dc.publisherAAU, Ananden_US
dc.research.problemCLINICAL EVALUATION OF MODIFIED GASTROCNEMIUS TENECTOMY TO RELIEVE SPASTIC PARESIS ALONG WITH BIOCHEMICAL AND HISTOPATHOLOGICAL STUDIES IN SPASTIC BULLOCKSen_US
dc.subVeterinary Surgery and Radiologyen_US
dc.subjectAGRICULTURE, VETERINARY SURGERY AND RADIOLOGYen_US
dc.subjectA STUDYen_US
dc.themeCLINICAL EVALUATION OF MODIFIED GASTROCNEMIUS TENECTOMY TO RELIEVE SPASTIC PARESIS ALONG WITH BIOCHEMICAL AND HISTOPATHOLOGICAL STUDIES IN SPASTIC BULLOCKSen_US
dc.these.typePh.Den_US
dc.titleCLINICAL EVALUATION OF MODIFIED GASTROCNEMIUS TENECTOMY TO RELIEVE SPASTIC PARESIS ALONG WITH BIOCHEMICAL AND HISTOPATHOLOGICAL STUDIES IN SPASTIC BULLOCKSen_US
dc.typeThesisen_US
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