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Characterization of Sarcocystis neurona from a thoroughbred with equine protozoal myeloencephalitis. 马原生动物髓脑炎纯种马神经元性肌囊炎的特征。
The Cornell veterinarian Pub Date : 1992-01-01
D D Bowman, J F Cummings, S W Davis, A deLahunta, J P Dubey, M M Suter, P H Rowland, D L Conner
{"title":"Characterization of Sarcocystis neurona from a thoroughbred with equine protozoal myeloencephalitis.","authors":"D D Bowman,&nbsp;J F Cummings,&nbsp;S W Davis,&nbsp;A deLahunta,&nbsp;J P Dubey,&nbsp;M M Suter,&nbsp;P H Rowland,&nbsp;D L Conner","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Morphological information is presented for syntype material of the etiologic agent of equine protozoal myeloencephalitis, Sarcocystis neurona. A clinical description of the horse from which the organism was isolated and the methodology used to immunosuppress the horse in an attempt to increase parasite numbers are also given. The description includes microscopic details observed both with light and transmission electron microscopy. Mainly stages from tissue are illustrated, but information is also presented on the development of the organism after inoculation onto monolayers of bovine monocytes. It is believed that the large numbers of organisms observed in this horse were due to its having not received prior treatment with trimethoprimsulphonamide and the large amounts of corticosteroids that were administered in order to facilitate isolation of the pathogen.</p>","PeriodicalId":22466,"journal":{"name":"The Cornell veterinarian","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12903625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Equine coxofemoral luxations: 17 cases (1975-1990). 马共股脱位:17例(1975-1990)。
The Cornell veterinarian Pub Date : 1992-01-01
J A Malark, A J Nixon, M A Haughland, M P Brown
{"title":"Equine coxofemoral luxations: 17 cases (1975-1990).","authors":"J A Malark,&nbsp;A J Nixon,&nbsp;M A Haughland,&nbsp;M P Brown","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The medical records of 17 horses with coxofemoral luxation were examined. Ponies and miniature horses were overrepresented. The mean age at the time of diagnosis was 7 years (range 1 month to 25 years). Seventy percent were female. Severe trauma, such as a fall or being kicked by another horse, was a common etiology. Thirty-five percent had other orthopedic injuries associated with the luxation. Closed reduction, with the use of a mechanically assisted calving device, was attained in 5 cases but reluxation occurred shortly afterward in 4 of these. Varying surgical techniques were used in 3 cases but none were successful in maintaining reduction. Ponies and miniature horses are better able to handle chronic lameness and therefore had a better long-term survival rate than horses with a chronically luxated coxofemoral joint.</p>","PeriodicalId":22466,"journal":{"name":"The Cornell veterinarian","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12903629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Attempted reinnervation of the equine larynx using a muscle pedicle graft. 尝试用肌肉蒂移植重建马喉神经。
The Cornell veterinarian Pub Date : 1992-01-01
I W Harrison, V C Speirs, K G Braund, J E Steiss
{"title":"Attempted reinnervation of the equine larynx using a muscle pedicle graft.","authors":"I W Harrison,&nbsp;V C Speirs,&nbsp;K G Braund,&nbsp;J E Steiss","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Laryngeal hemiplegia was induced in 4 ponies via a left recurrent laryngeal neurectomy. Reinnervation of the denervated left cricoarytenoideus dorsalis muscle was then attempted using a muscle pedicle graft from the right cricoarytenoideus dorsalis muscle. In 3 ponies there was no return of abductor function and failure of graft survival. In the fourth pony there was return of abductor function along with survival of the muscle bridge, however, there was evidence of reinnervation across the neurectomy site. Muscle-to-muscle neurotization of the paralyzed equine larynx, utilizing the cricoarytenoideus dorsalis muscle, does not appear to be a clinically useful technique.</p>","PeriodicalId":22466,"journal":{"name":"The Cornell veterinarian","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12903627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Direct immunofluorescence testing for immunoglobulin deposits in haired skin, nasal planum and footpads of woodchuck hepatitis virus-infected woodchucks with chronic hepatitis and multiple hepatocellular carcinomas. 肝病毒感染的慢性肝炎和多发性肝细胞癌土拨鼠的毛发、皮肤、鼻平面和脚垫免疫球蛋白沉积的直接免疫荧光检测
The Cornell veterinarian Pub Date : 1992-01-01
R Panić, D W Scott, C A Smith, B C Tennant
{"title":"Direct immunofluorescence testing for immunoglobulin deposits in haired skin, nasal planum and footpads of woodchuck hepatitis virus-infected woodchucks with chronic hepatitis and multiple hepatocellular carcinomas.","authors":"R Panić,&nbsp;D W Scott,&nbsp;C A Smith,&nbsp;B C Tennant","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The purpose of this study was to determine the frequency of immunoglobulin deposition in the haired skin, footpads, and nasal planums of 10 WHV-infected woodchucks with chronic hepatitis and hepatocellular carcinoma and compare these results with those reported in humans. Immunoglobulin deposition was detected in the skin samples of 3 of 10 woodchucks. Granular deposits were revealed in the superficial dermal blood vessels of the nasal planum, lateral thoracic skin, and footpads in 1 animal each. In 1 of these animals, (lateral thorax) immunoglobulin deposition was concurrently present at the basement membrane zone.</p>","PeriodicalId":22466,"journal":{"name":"The Cornell veterinarian","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12484964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A comparison of end-tidal halothane concentrations measured at proximal and distal ends of the endotracheal tube in the horse. 在马的气管内管的近端和远端测量的潮汐末氟烷浓度的比较。
The Cornell veterinarian Pub Date : 1992-01-01
N S Matthews, S M Hartsfield, J L Cornick, J D Jacobson, J D Williams
{"title":"A comparison of end-tidal halothane concentrations measured at proximal and distal ends of the endotracheal tube in the horse.","authors":"N S Matthews,&nbsp;S M Hartsfield,&nbsp;J L Cornick,&nbsp;J D Jacobson,&nbsp;J D Williams","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Measurements (n = 126) of end-tidal halothane concentrations were taken from 21 horses anesthetized for routine and emergency surgery. One hundred five paired values allowed comparison of gas samples taken near the oral end of the endotracheal tube (Y1) to samples obtained at the cuffed end of the endotracheal tube (Y2). Twenty-one paired readings were assessed to compare samples taken 25 cm beyond the cuffed end of the tube (Y3) to samples from Y1. Measurements were made at all locations at 15-minute intervals starting 30 minutes after beginning halothane. All measurements were made in triplicate at end-expiration, and both sites were sampled within 1 minute of each other. Halothane concentration was measured by rapid infrared analysis with a gas sampling rate of 150 ml/min and displayed as a digital reading. Calibration of the machine was checked regularly. The difference between readings (Y1-Y2 or Y1-Y3 = Sdif) was tested using general linear models and a significance level of p less than 0.05 was used. The variable Sdif was analyzed with respect to time, mode of ventilation, and type of recumbency; no effects of these variables were detected. The mean values (+/- SD) of 105 readings for Y1 and Y2 were 2.41 vol% (+/- 0.49) and 2.39 vol% (+/- 0.49) respectively, and the Pearson's correlation coefficient (Y1 vs Y2) was 0.96. The mean values (+/- SD) of 21 measurements for Y1 and Y3 were 2.31 vol% (+/- 0.27) and 2.32 vol% (+/- 0.28) respectively and the Pearson's correlation coefficient (Y1 vs Y3) was 0.98.</p>","PeriodicalId":22466,"journal":{"name":"The Cornell veterinarian","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12903623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nonsteroidal management of canine pruritus with amitriptyline. 阿米替林治疗犬瘙痒的非甾体治疗。
The Cornell veterinarian Pub Date : 1992-01-01
W H Miller, D W Scott, J R Wellington
{"title":"Nonsteroidal management of canine pruritus with amitriptyline.","authors":"W H Miller,&nbsp;D W Scott,&nbsp;J R Wellington","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Thirty-one dogs with nonlesional pruritus were treated with amitriptyline (1 mg/kg orally q12h) to determine its efficacy in the management of canine allergic pruritus. Seventeen dogs were known to be atopic, 8 were presumed to be atopic, and 6 had pruritus of undetermined etiology. Pruritus was virtually eliminated in 5 (16.1%) dogs, reduced by approximately 50% in another 5 (16.1%) dogs, and not changed in the remaining 21 dogs. Side effects were uncommon.</p>","PeriodicalId":22466,"journal":{"name":"The Cornell veterinarian","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12903626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bovine endometritis: the burden of proof. 牛子宫内膜炎:举证责任。
The Cornell veterinarian Pub Date : 1992-01-01
R O Gilbert
{"title":"Bovine endometritis: the burden of proof.","authors":"R O Gilbert","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":22466,"journal":{"name":"The Cornell veterinarian","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12902342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hematuria and weight loss in a mare with pancreatic adenocarcinoma. 患有胰腺腺癌的母马的血尿和体重减轻。
The Cornell veterinarian Pub Date : 1992-01-01
J B Carrick, D D Morris, B G Harmon, M Fawzi
{"title":"Hematuria and weight loss in a mare with pancreatic adenocarcinoma.","authors":"J B Carrick,&nbsp;D D Morris,&nbsp;B G Harmon,&nbsp;M Fawzi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This clinical report describes an 11-yr-old Thoroughbred mare that presented with clinical signs of weight loss and hematuria. History and clinical findings suggested the mare had neoplasia of the urogenital system. Although ultrasound-guided biopsy of the perirenal mass did not yield abnormal cells, large irregular cells were isolated from the thoracic and peritoneal fluid. At necropsy, multiple firm nodules were disseminated throughout the peritoneal cavity. Histological examination of the nodules revealed cells that were consistent with a pancreatic exocrine adenocarcinoma. This is the first report of pancreatic adenocarcinoma causing dysfunction of the urogenital system.</p>","PeriodicalId":22466,"journal":{"name":"The Cornell veterinarian","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12903630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mastitis: why is it so hard to cure? 乳腺炎:为什么这么难治?
The Cornell veterinarian Pub Date : 1992-01-01
M Daley, P Hayes
{"title":"Mastitis: why is it so hard to cure?","authors":"M Daley,&nbsp;P Hayes","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":22466,"journal":{"name":"The Cornell veterinarian","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12902341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Serum concentrations of cefepime (BMY-28142), a broad-spectrum cephalosporin, in dogs. 狗体内广谱头孢菌素头孢吡肟(BMY-28142)的血清浓度。
The Cornell veterinarian Pub Date : 1992-01-01
A R Stampley, M P Brown, R R Gronwall, L Castro, H W Stone
{"title":"Serum concentrations of cefepime (BMY-28142), a broad-spectrum cephalosporin, in dogs.","authors":"A R Stampley,&nbsp;M P Brown,&nbsp;R R Gronwall,&nbsp;L Castro,&nbsp;H W Stone","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Serum concentrations of cefepime (BMY-28142) were determined for four dosing regimes, 10 mg/kg or 20 mg/kg, given as single subcutaneous (SC) or intramuscular injections (IM) to dogs. Serial serum samples were analyzed for the presence of cefepime by high-performance liquid chromatography. In experiment 1, the overall mean (+/- SEM) serum concentration (for a 12-hour period) after a dose of 20 mg/kg for SC and IM routes (4.9 +/- 0.74 micrograms/ml and 5.5 +/- 0.63 micrograms/ml, respectively) was twice that for the 10 mg/kg dose given either SC or IM (2.2 +/- 0.31 micrograms/ml and 2.8 +/- 0.47 micrograms/ml, respectively). There was no significant difference (p greater than 0.05) in mean serum concentrations for SC and IM routes of administration at the same dosage. In subsequent experiments, 5 doses of cefepime (20 mg/kg) were administered IM at 12-hour (experiment 2) or 24-hour (experiment 3) intervals. The mean (+/- SEM) peak serum concentration was 12.1 +/- 1.59 micrograms/ml, 2 hours after the 2nd injection in experiment 2. In experiment 3, the mean (+/- SEM) peak serum concentration was 10.9 +/- 1.34 micrograms/ml, 4 hours after the 1st injection. Mean trough concentrations in experiment 2 were greater than or equal to 0.5 microgram/ml and less than or equal to 0.5 in experiment 3. Multiple IM doses produced transient edema at the injection site and mild lameness in all dogs. Cefepime was highly active against single canine isolates of Staphylococcus intermedius, Pseudomonas aeruginosa and Escherichia coli, with minimum inhibitory concentrations of 0.125 microgram/ml, 1 microgram/ml and 0.3 microgram/ml, respectively.</p>","PeriodicalId":22466,"journal":{"name":"The Cornell veterinarian","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12903628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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