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  • ThesisItemOpen Access
    Surgical management of omphalitis in calves
    (Department of Surgery and Radiology, College of Veterinary and Animal Sciences, Mannuthy, 2003) Prasanna, D; KAU; Rajankutty, K
    The study was carried out in twelve . selected clinical cases of umbilical infections in calves of different breeds of either sex presented to the Veterinary College Hospitals at Mannuthy and Kokkalai. These animals were divided into two groups viz., Group I and Group II, each consisting of six animals. In Group I, the calves with extra-abdominal umbilical infection and in Group II, the calves with combined extra-abdominal and intra abdominal umbilical infections were included. The calves in Group I were within the age group of eight weeks and had the history of swelling at the umbilicus for at least a period of eight days which varied in its type, consistency, and tenderness on palpation. The size of the swelling was maximum of 10.5 cm in diameter with no connection or extension into the abdominal cavity. The swelling was either draining to the exterior through a fistula or closed. The cavity of the swelling was from 3.4 cm to 15 cm in length containing pus which varied in its consistency, color and odour. The physiological parameters were all within normal range. The haemogram was also within physiological range except for an increase in the neutrophil count. Abdominal palpation and retrograde contrast radiography confirmed that the swelling is confined to the exterior of the abdomen. The causative organisms were detected and the calves were successfully treated by routine drainage and dressing. All the calves recovered completely except one, which had recurrence of the infection during the study period. In Group II, the calves were aged between one month to five months and the maximum duration of the illness five months was reported from the oldest calf in that group. They had history of recurrence or persistence of umbilical swelling after the treatment of the swelling. The swelling was either open or closed from which pus was obtained. The swellings were mostly hot and hard. The pus varied in its consistency, colour and odour. The swellings could be felt on abdominal palpation as an extension of the umbilicus towards the liver and bladder. The extent of the cavity was measured by a probe and was able to measure 20 cm long tract. The respiration rate, pulse rate and the rectal temperature were found to be within the normal range. The haemogram showed leucocytosis and an increase in the neutrophil count. The affected structures were identified as umbilical vein that was extending towards the liver and as urachus which was extending towards the bladder by retrograde contrast radiography. The causative organisms were identified and the calves were successfully treated by surgical excision of the affected structures along with the umbilicus.
  • ThesisItemOpen Access
    Evaluation and management of urolithiasis in dogs
    (Department of Veterinary Surgery and Radiology, College of Veterinary and Animal Sciences, Mannuthy, 2004) Reshma, Damodaran; KAU; Sarada Amma, T
    Ten clinical cases of canine urolithiasis were studied for age, breed and sex incidence, clinical signs, radiological evaluation, site of obstruction, effect of surgery and its complications, urine analysis, urolith composition and recurrence. The mean age of incidence was found to be 6.3 years. Incidence were more in German Shepherd Dog followed by Pomeranian and Labrador. There were nine males and one female in the study. Urethral obstruction was seen in all cases including one female. Out of ten animals one animal (D8) was dull and weak in appearance and all others were active. Difficulty in urination was reported in all the animals. Haematuria was present in five animals (D3, D5, D6, D7 and D10). Moderate abdominal distention was noticed in nine animals. Palpation of the abdomen revealed distended urinary bladder in all animals except in one animal (D8), where bladder could not be palpated and fluid thrill was felt on abdominal palpation indicating rupture of urinary bladder. Radiographic study revealed that the most common site of obstruction was in the groove of the os penis. The ten clinical cases of urolithiasis were subjected to fourteen operations viz., nine urethrotomy, two urethrotomy and cystotomy (four operations) and one cystotomy. The study revealed that relieving obstruction by surgical correction was effective, as it ensures immediate relief of obstruction and stress. Urethrotomy was found to be satisfactory in removing urethral calculi in males and compression and flushing of bladder enabled to remove small cystic calculi through the urethrotomy incision. Cystotomy was required to remove large cystic calculi. The surgical intervention adopted was found effective in relieving obstruction. The pH of the urine collected during surgery ranged from 6.5 to 8, colour varied from straw coloured to dark red. Consistency of the urine was turbid in all the animals. On microscopical examination of urine, sediments were present in all the animals. In one dog (D5) crystals were present and identified as triple phosphate and oxalate. In all animals urine samples showed growth of the microorganisms were more sensitive to ciprofloxacin followed by ampicillin and amoxycillin. Catheter tolerance was poor in all the animals. Catheter was found removed on the same day itself by all the animal. Healing of the surgical wound by granulation was good except in two animals where swelling and oedema of the scrotal sac was seen ( D1 and D8) which were subjected to post scrotal urethrotomy. In all these animals swelling subsided and healing was completed by 30th post operative day. Bleeding was noticed during and after completion of the surgery in two dogs D4 and D7. In dog D7, injury to cavernosus tissue during the removal of calculi was the cause and was controlled by suturing. In animal D4 bleeding was controlled by administering ethamsylate 1 ml intramuscular for two days. Recurrence was observed in two cases (20%). In these cases numerous cystic calculi were present when it was originally presented for treatment which might be due to migration of cystic calculi. The haematological examination showed low haemoglobin content, erythrocyte count, volume of packed red cell in all cases before surgery which increased significantly and reached towards normal by 30th post operative day. There was leucocytosis with shift to left and increase in erythrocyte sedimentation rate which decreased significantly and were normal by 30th post operative day. The biochemical examination showed elevated blood urea nitrogen, serum creatinine, phosphorus, serum calcium and potassium levels in all the cases before surgery and lowered significantly by 30th day. The fall in serum sodium level seen before surgery showed rise by 30th day and attained near normal value. Composition of the urolith were analysed by Atomic Absorption Spectroscopy, calcium formed the major component of the calculi followed by phosphorus and magnesium. Histopathological study of the urinary bladder revealed inflammation and haemorrhage in the submucosa indicating chronic irritation and injury produced by the calculi to the bladder wall. Electron microscopic study of one of the calculi (D9) was conducted which revealed deposition of concretions around the nidus in concentric rings of varying density and the outer surface showed porosity of varying diameter
  • ThesisItemOpen Access
    Radiographic evaluation and management of lower urinary tract disorders in dogs
    (Department of Veterinary Surgery and Radiology, College of Veterinary and Animal Sciences, Mannuthy, 2008) Sheeja, V M; KAU; Sarada Amma, T
    The study was conducted in 15 cases of lower urinary tract disorders in 13 dogs of different breeds, age and either sex presented at the Veterinary College Hospital, Mannuthy and University Veterinary Hospital, Kokkalai.The incidence, clinical signs, radiographic and ultrasonographic observations, haematological and biochemical changes, treatment adopted, and post operative management in surgical treatment were studied. Urolithiasis was the most common disease (53%) among the 15 cases of diseases of the lower urinary tract studied followed by cystitis (33 %), urinary bladder neoplasia (6%) and prostate disease (6%). Dachshund was the most common breed affected with both urolithiasis and cystitis. Middle aged dogs were mostly affected with urolithiasis and cystitis The general conditions of all dogs with urolithiasis were dull and lethargic. Congesion of mucous membrane, Vomiting,haematuria, reduced food intake, dribbling of urine and abdominal distension were the common symptoms exhibited. The cause of urethral obstruction was mostly urolithiasis and the common site of obstruction was the ventral groove of os penis. Survey radiography was highly successful (75%) in detection of most of the calculi. Contrast radiography was useful in the detection of radiolucent calculi, space occupying lesions like blood clot and bladder tumour. Ultrasonography was highly useful tool for confirmatory diagnosis of cystic calculi, cystitis, prostatic abscess and space occupying lesions. In dogs with calculi in bladder or in urethra, cystotomy or urethrotomy or both were conducted. For urethral calculi, prescrotal urethrotomy was performed in five cases. In a case with urethral and cystic calculi, both urethrotomy and cystotomy were performed. Recurrence of the condition was noticed in two dogs, one after 25 days due to the obstruction of urethra at the level of ischial arch and was then subjected to cystotomy after retrohydropropulsion into the bladder. In other dog, recurrence of the calculi was observed after three months and was subjected to urethrotomy then. As per culture and sensitivity test, the major microorganism associated with urolithiasis was Streptococci and with cystitis, it was E.coli. Most sensitive antibiotic was ciprofloxacin in cases of urolithiasis and cystitis. On analysis of uroliths, calcium oxalate was found to be major component followed by uric acid. Calculi contained calcium oxalate, calcium carbonate and uric acid were mostly associated with Streptococcal infection and with calcium phosphate and uric acid the organism isolated was Staphylococci.
  • ThesisItemOpen Access
    Evaluation of plate osteosynthesis for the management of long bone fractures in dogs
    (Department of Veterinary Surgery and Radiology, College of Veterinary and Animal Sciences, Mannuthy, 2009) Unnikrishnan, K; KAU; Sarada Amma, T
    Effectiveness of bone plating in the treatment of long bone fractures in dogs confirmed by radiography was evaluated clinically and radiographically in eight dogs. Dogs with fractures of diaphysis of long bones confirmed by radiography were selected and subjected to bone plating. Selected dogs were subjected to preoperative evaluation and all of them were subjected to detailed clinical, radiological, haematological and serum biochemical evaluation preoperatively and postoperatively on the immediate postoperative day, 15th, 30th and 60th post operative days. The fractures selected were four tibial, two radio-ulnar, one humerus and one femoral fracture. Anatomically two tibial fractures were short oblique; one was transverse and the other one multiple. One of the short oblique fractures had a butterfly fragment also. The fracture of humerus and femur were transverse which involved the midshaft. One of the radial fractures was 1½ month old with nonunion involving the distal third. Open reduction and plate fixation was done in all cases following standard AO/ASIF principles. Dynamic compression plates (DCP) were used in six dogs and reconstruction plates in two dogs. The DCP was applied in compression mode in five dogs and neutralization mode in one dog. Both the reconstruction plates were applied in neutralization mode. The fracture reduction and plate fixation were done following standard principles. Osteosynthesis was evaluated clinically and radiographically during the observation period. Clinical evaluation was mainly based on observation for symptoms, pain and functional limb usage evaluation. Radiographs were evaluated for apposition, alignment, angulation, apparatus, activity and architecture of the fractured bone. The fracture reduction and plate fixation was satisfactory in all cases except one. Early functional limb usage with partial weight bearing was observed in four dogs. Primary healing with filling of the fracture gap with radio opaque bone was observed in dogs where the implant maintained absolute stability. Healing with callus proliferation was observed in neutralization plating. Mixed healing was observed in cases where the implant lost some rigidity due to loosening of a screw, provided axial alignment was maintained. True implant failure was observed only in one case. An increase in alkaline phosphatase level was observed in all dogs during the immediate post operative day and remained so up to the 30th day. Plate osteosynthesis was found effective in providing pain free early ambulation. Craniomedial plate fixation was more advantageous in distal radius and ulna fractures. Reconstruction plates were found suitable for the fixation of fractures of long bones in animals with low body weight and in cases where contouring of DCP was found difficult due to complex bone contour.
  • ThesisItemOpen Access
    Management of fracture of extremities of long bones in dogs
    (Department of Veterinary Surgery and Radiology, College of Veterinary and Animal Sciences, Mannuthy, 2008) Remya, V; KAU; Syam K, Venugopal
    The feasibility of various management techniques for fracture of extremity of long bones was evaluated in fourteen clinical cases of dogs with fifteen fractures, presented to Surgery units of Veterinary Hospitals, Mannuthy and Kokkalai, College of Veterinary and Animal sciences, Mannuthy during the period from January 2007 to April 2008. All the animals were subjected to detailed clinical, radiological, haematological and serum biochemical evaluation preoperatively and postoperatively at two weeks interval up to sixth week. The fractures included in study were capital physeal, basicapital, subtrochanteric, supracondylar and distal Salter Harris II fractures of femur; avulsion of tibial tuberosity with separation of epiphysis and proximal metaphyseal fracture of tibia ; supracondylar fracture of humerus and distal metaphyseal fractures of radius and ulna. Reduction was achieved by open and closed approach and fixation was done using intra medullary pins acting as intra medullary pins, cross pins or as transfixation pins of external fixator. Femoral head and neck fracture was fixed by K wire inserted normograde from fovea capitis or from subtrochanteric area. Subtrochanteric fracture of femur, distal femoral fractures and distal humeral fractures were repaired by intramedullary pinning done normograde or retrograde, either alone (in stable fractures) or with auxillary fixations like cross pins. Avulsion of tibial tuberosity was repaired by tension band wiring and proximal metaphyseal tibial fracture was repaired by a derotational K wire inserted in closed method. Distal metaphyseal fracture of radius and ulna was immobilized with type IA external fixator after closed reduction. Fracture reduction was satisfactory in 93 per cent of cases. All animals except two dogs with multiple fracture of femur, showed full weight bearing on the limb in two weeks. Long term functional outcome was excellent in 78 per cent dogs. Development of pseudoarthrosis was observed in three dogs with femoral head/neck fracture and resulted in change in gait in two cases. All fractures in young dogs healed in six weeks and among others, those without fixation failure showed appropriate progression towards healing. Avascular necrosis of femoral head with femoral head/ neck fracture and premature closure of physis were the biological complications noticed. Premature closure of physis caused deformity only in one case. An increase in level of alkaline phosphatase and a decrease in serum calcium level were observed in earlier phases of fracture healing. Intramedullary pin and cross pin in distal femoral and humeral fractures, tension band wiring in avulsion of tibial tuberosity, and type IA external fixator in distal radius and ulna fracture were found excellent. Success of using pins in proximal femoral fractures in large dogs need further study.
  • ThesisItemOpen Access
    Intra-articular antimicrobial therapy and lavage for the management of arthritis in claves
    (Department of Veterinary Surgery and Radiology, College of Veterinary and Animal Sciences, Mannuthy, 2008) Ganesh, G; KAU; Rajankutty, K
    The present study was carried out in twelve calves affected with arthritis under six months of age belonging to either sex, presented to the College Veterinary Hospitals at Mannuthy and Kokkalai. Based on the nature of synovia, whether it was non-purulent or purulent, the calves were divided into two groups viz. Group I and II, each consisting of six calves and were serially numbered from 1 to 6. Animals in Group I were treated by intra-articular antimicrobial therapy and in Group II by lavaging the affected joint with ten per cent DMSO using ‘through-and-through’ needle technique with supplementation of parentral antibiotic therapy to the animals of both the groups. Both male and female, Holstein-Friesian cross and Jersey cross bred calves with age group ranging from five days to two months were presented. In all the calves, the knee joint was affected, either unilaterally or bilaterally. Out of the 12 calves, four had the history of umbilical infection and in which the umbilical cords were torn naturally at the time of birth and the stumps were left untreated. The duration of illness ranged from two days to one week. The affected joints were swollen, warm to touch and evidenced pain on palpation with difficulty in flexing the joint. In a few calves purulent exudation was coming out. In Group I, all the calves recovered within five days of treatment except one which also got recovered, but only after two months. In Group II, promising recovery was observed in two calves within fifteen days of observation and in one recovery with persistent ankylosis, while two calves succumbed during the observation period. The mean rectal temperature, pulse rate, respiratory rate, haemoglobin concentration and VPRC were found within normal range in both the groups, throughout the period of study. The mean total leukocyte count was higher before treatment in both the groups and it was within the normal range from the fifth and fifteenth day of observation in Group I and II respectively. The neutrophil count was higher and the lymphocyte count was lower before treatment and almost reached towards normal range by the fifteenth day of observation in both the groups. The serum glucose and alkaline phosphatase levels were within the normal range throughout the period of observation in both the groups. In Group I, the synovia was yellowish, odourless and with normal to fair mucin clot quality and prolonged clotting time. In Group II, it was turbid yellow with flocculent materials and pungent odour (in two cases) with fair to very poor mucin clot quality and quickened clotting time. The mean glucose levels were within the normal range in Group I and lower in Group II. But the mean alkaline phosphatase level was observed to be higher than the levels obtained in serum in both the groups. Escherichia coli was the major organism isolated from two samples of synovial fluid among the twelve samples collected and gentamicin was sensitive in one isolate, while Sulphadiazine in the other one. In Group I, the affected joints were without any characteristic radiographic abnormalities except for the increase in soft tissue density due to soft tissue swelling. Whereas in Group II lesions identified were widened joint space, intra-articular gas shadow, subchondral osteolysis and blurring of normal bone outline. There were not many variations in the fifteenth day post-treatment radiographs. Histopathology of affected joint was performed in two calves which succumbed during the observation period. Macroscopic examination revealed considerable swelling of joint with pus and degeneration of articular cartilage. Microscopic examination revealed thick hyalinised fibrocollagenous tissue, areas of haemorrhage with many congested blood vessels. Some areas appeared like abscess wall of which was formed by inflammatory granulation tissue. One section showed bony tissue with degenerating bony trabeculae. Periosteum and adjacent tissues showed extensive necrosis and abscess formation.
  • ThesisItemOpen Access
    Epidural steroid therapy and ultrasound massage for the management of paraplegia in dogs
    (Department of Veterinary Surgery and Radiology,College of Veterinary and Animal Sciences, Mannuthy, 2008) Seena, K M; KAU; Sarada Amma, T
    The study was conducted in fourteen clinical cases of paraplegic dogs with an objective to evaluate the effectiveness of epidural steroid therapy with and without ultrasound massage for the management of paraplegia in dogs. The dogs were randomly divided into two groups of seven animals each, Group I and II. Preliminary clinical, neurological and radiological examinations were conducted in all dogs. The dogs of Group I were subjected to epidural administration of methyl prednisolone acetate (2mg/kg body weight) initially and oral administration of prednisolone acetate in a tapering dosage for 15 days and that of Group II were subjected to ultrasound massage of the dorsal spinal region in addition to the steroid administration as in Group I. The incidence was more in Dachshunds. No sex predilection was observed. The maximum number of dogs was within the age range of four to six years. The etiology was unknown for most of the cases studied. The physiological parameters were within the normal range. Total leukocyte count and differential leukocyte count indicated stress leukogram during the initial stage of the study period. Hb, PCV, serum calcium and phosphorous values were within the normal range. Alkaline phosphatase values showed an increase on second week and lowered to normal at the end of the study period. The neurological examination was effective for the localization of lesion and assessing the neurological recovery of dogs. Absence of deep pain sensation indicated poor prognosis for recovery. Evaluation of bladder function was very useful for assessing the neurological status of the dogs. A positive correlation was obtained in 78.5 per cent of survey radiographic findings with neurological examination. The survey radiography had 57.14 per cent accuracy for identifying multiple lesions and 21.42 per cent accuracy for single compressive lesions. The myelography was sufficient for identifying the site of compression and iohexol at the dose rate of 0.3ml/kg body weight (90mgI / kg body weight) provided good contrast for demarcation of the spinal cord. Neurological grading system based on the motor activity of the hind limbs and urinary bladder function was useful for evaluating the progressive neurological improvement in dogs during the course of study. The outcome of treatment was good in both groups studied. Epidural administration of methyl prednisone acetate followed by oral administration of prednisolone acetate was effective for the treatment of paraplegia in dogs due to intervertebral disc disease. But it was not effective for traumatic paraplegia in dogs with instability of the vertebral column. The therapeutic ultrasound massage enhanced the neurological recovery in paraplegic dogs.
  • ThesisItemOpen Access
    Scleral approach for extracapsular cataract extraction in dogs
    (Department of Veterinary Surgery and Radiology, College of Veterinery and Animal Sciences, Mannuthy, 2007) Tessy Mathew; John Martin, K D
    The effectiveness of scleral approach for extracapsular cataract extraction was studied in six dogs (seven cases). Dogs presented with the history of impaired vision were clinically examined and cases with cataract were selected for the study. All dogs were put on to medication with azathioprine orally and ciprofloxacin, flurbiprofen and tropicamide topically three days prior to surgery. General anaesthesia was induced with atropine - xylazine - ketamine given intramuscularly and maintained with xylazine - ketamine - diazepam combination given intravenously. A scleral incision, two millimeters away and parallel to the limbus on the dorsolateral aspect was used to access the anterior chamber. Anterior capsulotomy was performed and lens was extracted. Collapse of anterior chamber was prevented by infusing the visco-elastic material, hydroxy propyl methyl cellulose. Sterile isotonic balanced salt solution was used to irrigate the anterior chamber. Scleral incision was sutured with 8/0 silk in simple interrupted pattern. Postoperatively all the dogs were maintained on cephalexin, azathioprine orally and ciprofloxacin, flurbiprofen and tropicamide topically. Scleral wounds were healed uneventfully and sutures were removed on 10th postoperative day. Major intraoperative complications encountered during the study were haemorrhage from the conjunctival incision, prolapse of iris, miosis and remnants of lens material in the anterior chamber. Out of the seven cases, four achieved functional vision by one month and corneal clarity except at the dorsolateral aspect near the suture line and in the remaining three, cornea remained opaque. Postoperative complications encountered were persistent corneal oedema in three cases, mild increase in intraocular pressure in two and vitreous prolapse in one.
  • ThesisItemOpen Access
    Evaluation and management of gastrointestinal outflow disorders in dogs
    (Department of Veterinary Surgery and Radiology, College of Veterinary and Animal Science, Mannuthy, 2007) Jinesh kumar, N S; KAU; Sarada Amma
    The study was conducted in twelve animals of different breed, age and either sex suspected for gastrointestinal outflow disorders. The incidence, clinical signs, radiographic and ultrasonographic observations, haematological and serum biochemical changes, efficacy of treatment adopted, and postoperative management were studied. The incidence was more in Labrador breed of dogs. No sex predilection was observed. The age of affected animals ranged from 30 days to four years. Of foreign body obstructions, five were less than 1.5 years and was found more in females. Intussusception was observed in two male pups of less than two months of age. The most consistent clinical signs observed were vomiting and difficulty in defaecation. The affected animals were dull, weak and lethargic and two were recumbent. Two animals showed chronic intermittent vomiting. Diarrhoea was reported in cases of intussusception. Four animals had scanty black tarry faeces. Pain on palpating the abdomen was noticed in nine animals while palpable mass could be felt in three animals. Dilated intestinal loops with distension of the abdomen were the common observations. The temperature, pulse rate and capillary refill time were within normal range while respiration rate was higher. Radiography and ultrasonography was found adequate for confirmatory diagnosis in most of the cases. The different conditions included foreign body obstruction (6), gastric ulcer (1), intussusception (2), dilated colon (1), and stenosis of ileocolic sphincter (2) and were treated by enterotomy, gastrotomy, resection of ulcer, enterectomy and enteroanastamosis, colotomy and dilation of sphincter. All the animals were rehydrated before surgery and appropriate surgical treatment was carried out under general anaesthesia. Post operatively, fluid was given up to 48 hours. Liquid food followed by solid food was offered. Antibiotics and supportive medicines were continued up to seven days. The sutures were removed on eighth post operative day. Leucocytosis with neutrophilia, reduction in haemoglobin, packed cell volume, hyponatremia, hypokalemia, hypochloremia and hyperlipasemia was the major haemato biochemical changes observed. Of the twelve cases studied, nine cases recovered successfully and three animals died which included a case of gastric ulcer and two cases of intussusception.