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1.
O bjectives : To define the outcome of a cohort of canine patients with a histological diagnosis of spindle cell tumour of soft tissue managed solely by surgery in first opinion practice.
M ethods : Clinical details of 104 spindle cell sarcomas submitted to Finn Pathologists during the year 2000 were reviewed. Questionnaires were sent to the submitting veterinarians, requesting details about the tumour, surgery performed and ultimate outcome of the patient.
R esults : The method of surgical resection was described as marginal in 45 dogs (44·2 per cent). Excision margins of 3 cm or more were described in less than 10 per cent of cases. Tumours recurred locally in 29 dogs (27·9 per cent). Eighteen dogs (21·7 per cent) died of tumour-related causes. Most deaths were unrelated to sarcoma (50 dogs, 60·2 per cent) or unknown (15 dogs, 18 per cent). The median survival time was 1013 days. Tumour size, location or degree of surgical resection were not significantly related to survival or tumour recurrence. A palpable assessment of tumour invasion into underlying tissues was significantly associated with decreased disease-free interval (P<0·0001) and survival time (P = 0·0070).
C linical S ignificance : The results of this retrospective study indicate that many spindle cell tumours managed in first opinion practice exhibit a low-grade biological behaviour and may respond well to more conservative surgery than current recommendations advise.  相似文献   

2.
Objectives : The aim of this study was to compare age, serum albumin and cobalamin concentrations, serum alanine amino transferase and alkaline phosphatase activities, feline inflammatory bowel disease clinical disease activity index, pancreatic ultrasound findings, intestinal histopathology scores, outcome, treatment and clinical response between cats diagnosed with inflammatory bowel disease with normal or increased serum feline pancreatic lipase immunoreactivity concentrations. Methods : Medical records for 23 cats diagnosed with inflammatory bowel disease and with serum feline pancreatic lipase immunoreactivity concentrations available were reviewed. Three groups were compared; cats with serum feline pancreatic lipase immunoreactivity concentrations 2·0 to 6·8 µg/l (group A), 6·9 to 11·9 µg/l (group B) and ≥12·0 µg/l (group C). Results : Sixteen of the 23 cats had increased serum feline pancreatic lipase immunoreactivity concentrations; 9 cats in group B and 7 cats in group C. The remaining seven cats were in group A. Cats with serum feline pancreatic lipase immunoreactivity concentrations ≥12·0 µg/l had significantly lower median serum albumin and cobalamin concentrations. No significant differences were identified between the three groups for age, serum alanine amino transferase and alkaline phosphatase activities, feline inflammatory bowel disease clinical disease activity index, pancreatic ultrasound findings, intestinal histopathology scores, clinical outcome, treatment or clinical response. Clinical Significance : Hypoalbuminaemia and hypocobalaminaemia were more frequently observed in cats with serum feline pancreatic lipase immunoreactivity concentrations ≥12·0 µg/l.  相似文献   

3.
Background: Serum cobalamin concentrations below reference range are a common consequence of gastrointestinal disease in cats. Serum cobalamin ≤ 100 ng/L is associated with methylmalonic acidemia.
Objectives: To determine the prevalence of cobalamin deficiency, defined by elevated serum methylmalonic acid (MMA), in cats with serum cobalamin ≤ 290 ng/L, and the optimum serum cobalamin concentration to predict cobalamin deficiency in cats.
Sample Set: Residual serum samples (n = 206) from cats with serum cobalamin ≤ 290 ng/L.
Methods: Retrospective, observational study. Serum cobalamin and folate were measured with automated assays. Serum MMA was determined by gas chromatography-mass spectrometry. Cobalamin deficiency was defined as serum MMA > 867 nmol/L. Sensitivity and specificity of serum cobalamin concentrations ≤290 ng/L for detecting MMA > 867 nmol/L were analyzed using a receiver-operator characteristic curve.
Results: There was a negative correlation between serum cobalamin and MMA concentrations (Spearman's r =−0.74, P < 0.0001). The prevalence of MMA ≥ 867 nmol/L in cats with serum cobalamin ≤ 290 ng/L was 68.4%. Serum cobalamin ≤ 160 ng/L had a 74% sensitivity and 80% specificity for detecting MMA > 867 nmol/L. No significant difference in serum folate concentrations was detected between affected and unaffected cats.
Conclusions and Clinical Importance: Elevated MMA concentrations, suggesting cobalamin deficiency, are common in cats with serum cobalamin ≤ 290 ng/L. Cobalamin deficiency is clinically significant, and supplementation with parenteral cobalamin is recommended for cats with gastrointestinal disease and low serum cobalamin concentrations.  相似文献   

4.
The rates of disappearance of intravenously injected amylase and lipase were determined in dogs before and after ligation of the renal vessels. Functional nephrectomy increased the half life of serum amylase from 5 to 14 hours and of serum lipase from 2 to 11 hours. Serum amylase values increased relatively little in dogs with a functional nephrectomy when enzymes were not infused. The increase in serum amylase activity was not correlated to the increase in serum urea nitrogen. The canine kidney was responsible for the disappearance of part of the amylase and lipase from the serum. Only trace amounts of either amylase or lipase activity were found in the urine. It is assumed the canine kidney inactivated these enzymes.  相似文献   

5.
The aim of this study was to evaluate the association between serum methylmalonic acid (MMA), a proposed marker of cellular cobalamin deficiency, and serum cobalamin concentrations in dogs. Serum samples from 555 dogs were grouped according to their serum cobalamin concentrations (<150 ng/L to 1000 ng/L). Additionally, serum samples were collected from 43 healthy dogs to calculate a reference interval for canine serum MMA. MMA was measured using a GC/MS method. Groups were compared using a Kruskal-Wallis test with Dunn's post test. Proportions of dogs above the upper limit of the reference interval were calculated and a χ2-test for trend was performed to evaluate the association between serum cobalamin and MMA concentrations. The reference interval for serum MMA was calculated to be 414.7-1192.5 nmol/L. Dogs with serum cobalamin concentrations <251 ng/L had significantly higher MMA concentrations (P<0.05) and the χ2-test for trend showed a trend for increasing serum MMA concentrations with decreasing serum cobalamin concentrations (P<0.0001). Additionally, a number of dogs with normal serum cobalamin concentrations had increased serum MMA concentrations, suggesting that some of these dogs may have cobalamin deficiency on a cellular level. Further studies are warranted to determine if these dogs should receive cobalamin supplementation.  相似文献   

6.
O bjective : To characterise lipid profile in dogs with tail chasing.
M ethods : Fifteen dogs with tail chasing were included in this study. A behavioural diagnosis was made for each dog on the basis of the dog's behavioural history, clinical signs and results of other medical assessments. None of the dogs had concurrent medical disease that would account for compulsive tail chasing. Blood samples were taken from each dog after a fasting period of 12 to 16 hours to measure total cholesterol, triglyceride, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol and very low-density lipoprotein cholesterol levels. Fifteen control dogs were also enrolled on the basis of normal physical examination results, complete blood count and serum biochemistry profiles.
R esults : Dogs with tail chasing had significantly higher total cholesterol (P < 0·01), high-density lipoprotein cholesterol (P<0·05) and low-density lipoprotein cholesterol (P<0·001) compared with control dogs. Very low-density lipoprotein cholesterol and triglyceride levels did not differ significantly between the groups.
C linical S ignificance : Tail chasing may be associated with serum cholesterol elevations in dogs. High serum cholesterol, high-density lipoprotein cholesterol and low-density lipoprotein cholesterol levels may be used as biochemical parameters of compulsive tail chasing in clinical settings.  相似文献   

7.
An automated colorimetric method for determining lipase activity in canine sera was evaluated for precision, linearity and correlation to existing assay methods. The colorimetric method was a commercial reagent that used a series of enzymatic reactions based on the hydrolysis of 1,2 diglyceride by pancreatic lipase. Within-run and between-run coefficients of variation were < 6.8% and < 8.3%, respectively. Linearity was determined to be at least 1366 U/L. Canine serum lipase concentrations attained using the colorimetric method were compared to both titrimetric and dry-film methods for measuring serum lipase activity, resulting in significant (P < or = 0.05) correlation coefficients of 0.92 and 0.77, respectively. Canine serum lipase concentrations measured using the colorimetric assay on 2 different automated analyzers had a significant (P < or = 0.05) correlation coefficient of 0.92. A laboratory reference range using serum samples from 56 healthy dogs (0-561 U/L) was established. There were no significant (P < or = 0.05) differences in mean serum lipase concentrations comparing male and female dogs or comparing young dogs (< or = 3 y) to mature (4-7 y) and older (> 7 y) dogs using this assay. It was concluded that the automated colorimetric assay was a reliable indicator of canine serum lipase activity and offered several advantages, including small sample volume and short analysis time.  相似文献   

8.
The clinical course of inflammatory bowel disease (IBD) in dogs is characterized by spontaneous exacerbations and remissions, which makes assessment of disease burden difficult. The objectives of this study were to develop a scoring system for evaluation of canine IBD activity and to validate this scoring method by correlating it to objective laboratory and histologic indices of intestinal inflammation. Fifty-eight dogs with IBD were evaluated prospectively and compared to 9 disease-free control dogs. Clinical disease activity was quantified by a simple scoring system, the canine IBD activity index (CIBDAI), and compared to serum concentrations of C-reactive protein (CRP), haptoglobin (HAP), alpha-acid glycoprotein (AGP), and serum amyloid A (SAA), as well as histology scores derived from endoscopic biopsy specimens. Forty-six dogs were available for a reevaluation of the CIBDAI, CRP HAP, and AGP, and 34 dogs had repeat analysis of SAA performed after medical therapy. Serum concentrations of CRP were significantly (P < .02) increased in dogs with CIBDAI scores > or = 5 (mild disease activity or greater) compared to controls. Among IBD dogs, the CIBDAI showed good correlation (r = 0.82, P < .0001) to both histology and HAP scores, but CRP also was a strong co-correlate of disease activity. The IBD dogs showed significantly (P < .0001) decreased CIBDAI and CRP values but significantly (P < .0001) increased HAP concentrations after medical therapy compared to pretreatment values. We conclude that the CIBDAI is a reliable measure of inflammatory activity in canine IBD and that CRP is suitable for laboratory evaluation of the effect of therapy in these patients.  相似文献   

9.
To determine the usefulness of information provided by measurement of serum amylase activity in the evaluation of dogs for pancreatitis, the relationship of amylase activity to lipase activity in 713 paired serum samples was investigated by statistical analysis. Little change in mean amylase concentration was found until lipase values exceeded 800 U/L. The ranges of amylase activity (mean +/- 2 SD) were essentially the same for dogs with no pancreatitis (0 to 100 U of lipase activity/L) as for dogs with a high probability for the disease (700 to 799 U of lipase activity/L), 0 to 4,029 U/L and 857 to 4,869 U/L, respectively. Pathologic findings from biopsy and necropsy reports from 92 dogs for which serum lipase determinations were done indicated that serum lipase increased not only with pancreatitis, but also with other medical problems, such as renal and hepatic disease. It was concluded that determination of serum amylase activity without knowledge of serum lipase activity was of little value to diagnose pancreatitis. High amylase activity was not specific for pancreatitis and low amylase activity could not rule out the disease. The results of this study also showed that low serum lipase values almost always eliminated the possibility of pancreatitis and that high values were often, but not always, diagnostic for pancreatitis.  相似文献   

10.
The possibility that assay of circulating trypsin-like immunoreactivity (TLI) could assist in the diagnosis of acute pancreatitis in dogs has been examined by assaying plasma TLI concentrations after pancreatic duct ligation and comparing the results with plasma activities of lipase and amylase. Venous blood samples were obtained from 8 dogs before surgery, then daily for 5 days and at 14 days after ligation of pancreatic ducts. Plasma concentrations of TLI increased within 24 hours and tended to peak before and to decrease more rapidly than activities of lipase and amylase, remaining greater than the control range for 5 days in all but 2 dogs. Plasma lipase and amylase activities increased together and remained greater than the control range in all dogs for 5 days after surgery. Regression analysis of all postoperative data indicated significant correlations between concentration of TLI and lipase activity (r = 0.67, P less than 0.001), concentration of TLI and amylase activity (r = 0.53, P less than 0.001), and between lipase and amylase activities (r = 0.74, P less than 0.001). These findings suggested that assay of TLI may provide an early indication of acute pancreatitis in dogs. Because TLI is specifically pancreatic in origin, high plasma TLI concentration may prove a more reliable indicator of clinical pancreatitis than high activities of amylase or lipase, which may be derived from extrapancreatic tissues.  相似文献   

11.
OBJECTIVE: To assess the safety of endoscopic retrograde pancreatography (ERP) in dogs by performing repeated clinical examinations and laboratory analyses of serum amylase, lipase, canine trypsin-like immunoreactivity (cTLI), and canine pancreatic elastase 1 (cE1) after the procedure. ANIMALS: 7 healthy Beagles. PROCEDURES: Clinical examinations were performed and blood samples obtained for serum enzyme determinations before and at intervals (10 minutes; 2, 4, and 6 hours; and 1, 2, and 3 days) after ERP. RESULTS: Repeated clinical examinations revealed no signs of ERP-induced complications in the 7 dogs. Results of repeated laboratory tests indicated a transient increase in serum values of amylase, lipase, and cTLI but not cE1. Mean +/- SD lipase activity increased from 120.7 +/- 116.4 U/L to 423.4 +/- 243.1 U/L at 4 hours after ERP. Median serum cTLI concentration increased from 16.2 microg/L (range, 77 to 26.5 microg/L) to 34.9 microg/L (range, 16.6 to 68.3 microg/L) 10 minutes after ERP. Enzyme values returned to baseline levels at the latest on day 2 in 6 of 7 dogs. Highest values for serum amylase, lipase, and cTLI and their delayed return to baseline values were detected in 1 dog with contrast filling of the pancreatic parenchyma. CONCLUSIONS AND CLINICAL RELEVANCE: Results indicated that ERP appears to be a safe imaging technique of pancreatic ducts in healthy dogs, although it induced a transient increase in serum values of pancreatic enzymes. In dogs, repeated clinical examinations and serum enzyme determinations can be used to monitor ERP-induced complications such as acute pancreatitis.  相似文献   

12.
Background: Increased serotonin (5HT) signaling has been implicated in valvular disease of humans and animals, including canine degenerative mitral valve disease (DMVD). High circulating 5HT concentration is a potential source of increased signaling, and serum 5HT concentrations have not been previously reported in dogs with DMVD.
Hypothesis: Dogs with DMVD and small breed dogs predisposed to DMVD have higher serum 5HT concentrations than large breed controls.
Animals: Fifty dogs affected with DMVD, 34 dogs predisposed to DMVD but without cardiac murmur or echocardiographic evidence of DMVD, and 36 healthy large breed control dogs.
Methods: Prospective analysis. Serum 5HT concentration was measured by an ELISA test.
Results: Median serum 5HT concentration was significantly higher in dogs with DMVD and in dogs predisposed to DMVD as compared with controls (DMVD, 765.5 ng/mL [interquartile range, 561.3–944.4]; predisposed, 774.9 ng/mL [528.3–1,026]; control, 509.8 ng/mL [320.8–708.8]; P = .0001). Subgroup analysis of predisposed dogs indicated significantly higher serum 5HT concentrations in Cavalier King Charles Spaniel (CKCS) dogs than in other breeds (CKCS, 855.0 ng/mL [635.8–1,088]; non-CKCS, 554.2 ng/mL [380.6–648.4]; P = .0023). Age, platelet count, and platelet morphology were not correlated with 5HT concentration in any group.
Conclusions and Clinical Importance: Dogs with DMVD had significantly higher serum 5HT concentrations when compared with large breed control dogs. Healthy CKCS dogs had significantly higher serum 5HT concentrations than other healthy dogs predisposed to DMVD. Additional investigation into a possible role of 5HT in the pathogenesis of DMVD is warranted.  相似文献   

13.
Hypocobalaminemia in dogs is most commonly associated with gastrointestinal disorders leading to impaired absorption and utilization of cobalamin. The objectives of this study were to compare serum cobalamin concentrations between dogs with leishmaniosis and clinically healthy dogs, and to assess possible alterations of serum cobalamin concentrations in dogs with leishmaniosis at different timepoints during treatment. Fifty-five dogs with leishmaniosis and 129 clinically healthy dogs were prospectively enrolled. Diagnosis of leishmaniosis was based on clinical presentation, positive serology and microscopic detection of Leishmania amastigotes in lymph node aspiration smears. Twenty of the dogs with leishmaniosis were treated with a combination of meglumine antimonate and allopurinol for 28 days and serum cobalamin concentrations were measured in blood samples that were collected before initiation of treatment (timepoint 0) and on days 14 and 28. In order to estimate alterations of serum cobalamin concentrations during treatment, cobalamin concentrations were measured in blood samples from 20 out of 55 dogs with leishmaniosis at all timepoints. Serum cobalamin concentrations were significantly lower in dogs with leishmaniosis before treatment (median: 362 ng/L; IQR: 277−477 ng/L) compared to clinically healthy dogs (median: 470 ng/L; IQR: 367−632 ng/L; P = 0.0035). Serum cobalamin concentrations increased significantly in dogs with leishmaniosis on day 14 of treatment compared to timepoint 0 (P = 0.02).In the present study, serum cobalamin concentrations were significantly lower in dogs with leishmaniosis compared to clinically healthy dogs. In addition, there was an increase in serum cobalamin concentrations during treatment. The clinical significance of hypocobalaminemia in dogs with leishmaniosis remains to be determined.  相似文献   

14.
Serum values of amylase and pancreatic lipase were determined by the iodometric and the turbidimetric methods, respectively, in 44 mature healthy dogs and in 8 dogs with experimentally induced pancreatitis (plus 1 sham-operated control). Serum value of amylase in mature healthy dogs varied from 250 to 1,500 Caraway units/dl and that of pancreatic lipase varied from 0 to 50 IU/L. Maximal serum values of amylase and pancreatic lipase in the dogs with experimentally induced pancreatitis varied from 4,540 to 14,000 Caraway units/dl and 325 to 810 IU/L, respectively. Following pancreatic damage, serum values of amylase and pancreatic lipase increased rapidly in the 8 dogs and ran parallel to each other in 6 of the 8 dogs studied. However, the serum value of amylase returned to within normal range earlier than the serum value of pancreatic lipase in 2 dogs; the reverse was true in 2 other dogs.  相似文献   

15.
Objective   To determine a reference range for serum cobalamin concentration in healthy cats in Australia using a chemiluminescent enzyme immunoassay and to prospectively investigate the prevalence of hypocobalaminaemia in cats with non-alimentary tract disease.
Design   Prospective study measuring serum cobalamin concentrations in clinically healthy cats and cats with non-alimentary tract illness.
Procedure   Blood was collected from 50 clinically healthy cats that were owned by staff and associates of Veterinary Specialist Services or were owned animals presented to Creek Road Cat Clinic for routine vaccination. Blood was collected from 47 cats with non-alimentary tract illness presented at either clinic. Serum cobalamin concentration was determined for each group using a chemiluminescent enzyme immunoassay.
Results   A reference range for Australian cats calculated using the central 95th percentile in the 50 clinically healthy cats was 345 to 3668 pg/mL. Median serum cobalamin concentration in 47 cats with non-alimentary tract illness (1186 pg/mL; range 117–3480) was not significantly different to the median serum cobalamin of the 50 healthy cats (1213 pg/mL, range 311–3688). Using the calculated reference range one sick cat with non-alimentary tract illness had a markedly low serum cobalamin concentration.
Conclusion   Although hypocobalaminaemia is uncommon in sick cats with non-alimentary tract illness in Australia, its occurrence in this study warrants further investigation.  相似文献   

16.
Patellar luxation in 70 large breed dogs   总被引：1，自引：0，他引：1  
O bjectives : To report the signalment, history, clinical features, and outcome in dogs weighing greater than 15 kg, treated surgically and non-surgically for patellar luxation. Risk factors for the development of patellar luxation, postoperative complications, and outcome were evaluated.
M ethods : Details regarding signalment, bodyweight, breed, aetiology, unilateral or bilateral luxation, duration of lameness, grade of luxation, direction of luxation, grade of lameness at presentation, concomitant cranial cruciate ligament rupture, method of treatment, surgical technique, surgeon, and complications were obtained from the medical records. Outcome was graded as excellent, good, fair, or poor, according to the degree of lameness.
R esults : Seventy dogs (45 males and 25 females) were included. Thirty-five had bilateral luxations (105 limbs). Mean age was two years, and mean weight was 30 kg. The relative risk for Labrador retrievers was 3·3 (P<0·001). All luxations were developmental. Luxations were medial in 102 stifles and lateral in three. Fourteen stifles had concomitant cranial cruciate ligament rupture. As the grade of patellar luxation increased, so did the grade of lameness (P<0·001). Surgery was performed in 70 stifles, and outcome was excellent/good in 94 per cent and fair/poor in 6 per cent of stifles. Complications occurred in 29 per cent of stifles, and increasing bodyweight was found to be a risk factor (P=0·03). Thirty-five stifles were managed non-surgically, and outcome was excellent/good in 86 per cent and fair/poor in 14 per cent of stifles.
C linical S ignificance : In view of the potential risk of postoperative complications, all surgically treated cases of patellar luxation in large breed dogs should be managed with a femoral trochleoplasty, a tibial tuberosity transposition (stabilised with K-wires and a tension band wire), and soft tissue releasing and tightening procedures.  相似文献   

17.
The objective of this study was to determine whether laboratory testing currently available is able to provide prognostic information in canine pancreatitis. A prospective study of dogs with naturally occurring pancreatitis was undertaken. Twenty-two cases with histologically confirmed pancreatic inflammation were included in the study. Each dog had routine haematology parameters, serum biochemistry (including lipase and amylase), serum trypsin-like immunoreactivity and trypsinogen activation peptides (TAP) in urine and plasma measured. Twelve of the dogs were classified as having severe disease. These dogs had statistically significant increases in urinary TAP-creatinine ratio (UTCR) measurement, serum lipase, serum phosphate and serum creatinine concentrations. Additionally dogs with severe pancreatitis had significantly decreased urine specific gravity levels. The most sensitive and specific test to assess the severity of pancreatitis was the measurement of UTCR.  相似文献   

18.
Objective— To investigate mutations of the TP53 gene in canine osteosarcoma (OS).
Study Design— Clinical historic cohort study.
Animals— Client-owned dogs.
Methods— OS (n=59) were screened for mutations of the complete TP53 gene using polymerase chain reaction and the mutation was analyzed by single-strand conformational polymorphism. Clinical outcome of dogs with TP53-mutated OS were compared with dogs with OS without a mutation after complete surgical excision of the primary tumor.
Results— TP53 gene mutations were observed in 24 of 59 (40.7%) OS; 3 mutated OS had 2 mutations. The alterations consisted mainly of point mutations (74%). Dogs with mutated OS had a significantly shorter survival time (ST) after surgery than dogs with normal tumor TP53 gene expression ( P =.03). Other significant prognosticators for ST and disease-free interval included elevated serum alkaline phosphatase ( P <.01) and tumor grade ( P =.01).
Conclusion— TP53 genetic mutations are common in canine OS and may have a prognostic value.
Clinical Relevance— Mutations of the TP53 gene may influence survival and should be considered when evaluating canine OS.  相似文献   

19.
O bjectives : To ascertain whether cavalier King Charles spaniels (CKCSs) have a proportionately smaller caudal fossa compared with other small dogs and with Labradors. To evaluate if cerebellar herniation in CKCS correlates with caudal fossa volume.
M ethods : In this retrospective study, three-dimensional images were created from magnetic resonance imaging brain series of 117 dogs (split into three groups: CKCS, Labradors and small breeds) from which the volumes of the fossae and brain parenchyma were calculated. These volumes were transformed into percentages of total cranial cavity and parenchyma volumes, respectively. The percentages were statistically compared among the groups. The percentage of herniated cerebellum in the CKCS was compared using linear regression with the caudal fossa and parenchyma percentages.
R esults : Cavalier King Charles spaniels had a proportionately smaller caudal fossa compared with Labradors (P=0·002) but not to small breeds (P=0·103). Their caudal fossa parenchyma was proportionately the same volume as Labradors (P=0·976) but greater than small breeds (P=0·005). No relationship was found for the per cent of cerebellum herniated.
C linical S ignificance : The results support mesoderm insufficiency or craniosynostosis as the pathogenesis of Chiari-like malformation (CM) in CKCS. It presents evidence for overcrowding of the caudal fossa due to a mismatch of brain parenchyma and fossa volumes as to why CKCS and not other small dogs are affected.  相似文献   

20.
O bjectives : To compare reaction to injection, sedation and propofol induction dose in dogs receiving acepromazine–buprenorphine pre-anaesthetic medication by the intramuscular or subcutaneous routes.
M ethods : Fifty-two client owned dogs of American Society of Anesthesiologists grade I or II anaesthetised for diagnostic imaging. Dogs were randomly assigned to receive acepromazine 0·03 mg/kg and buprenorphine 0·02 mg/kg either intramuscular or subcutaneous. Reaction to injection was scored. Sedation was compared before and one hour after pre-anaesthetic medication. Propofol was administered in 1 mg/kg incremental injections until tracheal intubation was achieved. Total propofol dose was recorded.
R esults : Reaction to injection was significantly greater (P=0·009) in the intramuscular group compared to the subcutaneous group. Sedation scores were not significantly different (P=0·523) between the intramuscular and the subcutaneous group. There was no statistically significant difference in propofol dose for induction (P=0·7).
Clinical Significance: Acepromazine–buprenorphine pre-anaesthetic medication provides a similar degree of sedation whether administered by the intramuscular or subcutaneous route. The intramuscular route is more painful compared to the subcutaneous route.  相似文献   

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