In This Issue—December 1, 2009

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The U.S. government will spend millions on a global initiative to prevent the spread of infectious diseases, and Congress approved funding for the National Bio- and Agro-defense Facility in Kansas but cut most funding for a national program intended to trace the origins of food animals during disease outbreaks.

See PAGE 1252

Letter to the Editor

See PAGE 1272

What Is Your Diagnosis?

See PAGE 1275

Diagnostic Imaging In Veterinary Dental Practice

See PAGE 1279

Pathology In Practice

See PAGE 1283

ECG of the Month

See PAGE 1288


Dietary management of obesity in companion animals via alteration of lipid metabolism

A potential approach to weight management in companion animals is to alter lipid metabolism by enhancing fat mobilization and utilization to prevent lipid absorption or enhance satiety. The extent to which dietary supplements or diet components can help achieve these goals has been the subject of considerable debate.

See PAGE 1292


Labor market characteristics of veterinary technician specialists in 2007

Results of a survey suggest that during 2007, the typical veterinary technician specialist was a woman between 26 and 45 years old who worked for a private practice in an urban area, had been a veterinary technician for 6 to 10 years, and had been a veterinary technician specialist for 2 to 3 years. Mean pay rate was $23.48/h.

See PAGE 1303

Comparison of portable meters for measurement of blood glucose concentrations in dogs

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Portable blood glucose meters are a common means of measuring blood glucose concentrations in veterinary medicine; however, the veterinary literature contains little data regarding the accuracy of measurements that are obtained. In a study involving 92 fresh blood samples from dogs with various diseases, blood glucose concentrations obtained with a PBGM validated for dogs and with a PBGM validated for humans were compared with concentrations obtained with an automated analyzer. Neither PBGM had exact agreement with the automated analyzer, and both PBGMs had less agreement with the automated analyzer at high blood glucose concentrations. However, disagreement did not have serious clinical consequences for either PBGM evaluated.

See PAGE 1309

Agreement between values for arterial and end-tidal partial pressures of carbon dioxide in spontaneously breathing, critically ill dogs

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Because many critically ill dogs have hypoventilation or hyperventilation, a simple technique for monitoring the ventilatory status of critically ill, spontaneously breathing dogs would be beneficial. In a study involving 26 client-owned dogs admitted to an intensive care unit, end-tidal partial pressure of CO2 (PETCO2) measured with a sidestream capnograph attached to a nasal catheter was compared with arterial partial pressure of CO2 (PaCO2). There was a significant linear correlation and good agreement between measured values of PETCO2 and PaCO2. Catheter size, ventilatory status, body weight, and patient outcome were not significantly associated with mean difference between PaCO2 and PETCO2.

See PAGE 1314

Serum NT-proBNP concentration for differentiation of congestive heart failure from primary respiratory tract disease in dogs

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Serum N-terminal pro-B-type natriuretic peptide concentration is typically high in dogs with cardiac disease, suggesting that it may be useful in differentiating cardiac from noncardiac causes of respiratory signs. In a cross-sectional study involving 115 dogs with respiratory signs, serum NT-proBNP concentration was significantly higher in dogs with cardiac versus noncardiac diseases. In dogs with primary respiratory tract disease, serum NT-proBNP concentration was higher in those with concurrent pulmonary hypertension. A serum NT-proBNP concentration cutoff of 1,158 pmol/L differentiated dogs with congestive heart failure from dogs with primary respiratory tract disease with a sensitivity of 85.5% and specificity of 81.3%.

See PAGE 1319

Use of color flow Doppler ultrasonography to diagnose a bleeding neuroendocrine tumor in the gallbladder of a dog

A 13-year-old dog with a 1.5-year history of melena, anemia, hematemesis, and vomiting was evaluated. Abdominal ultrasonography revealed that the gallbladder was filled with a solid hyperechoic mass that did not cause distal shadowing (unlike the ultrasonographic appearance associated with cholecystoliths and inspissated bile), and color flow Doppler ultrasonography revealed a distinct linear pattern of blood flow within the mass. Clinical signs resolved following cholecystectomy, and histologic and immunohistochemical examination of the mass indicated that it was a neuroendocrine tumor. Findings highlight the importance of evaluating blood flow when echogenic material is detected within the gallbladder.

See PAGE 1326

Dyspnea caused by epiglottic retroversion in two dogs

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An 8-year-old male Boxer and a 10-year-old female Yorkshire Terrier were evaluated because of dyspnea. In both dogs, the dyspnea had persisted following elongated soft palate resection. Laryngoscopic examination revealed caudal displacement of the epiglottis into the rima glottidis in both dogs. Excessive mobility of the epiglottis during respiration with episodic obstruction of the rima glottidis was observed during fluoroscopic examination. In both dogs, dyspnea resolved following fixation of the epiglottis in a horizontal plane by resection of a band of oral mucosa at the base of the epiglottis and closure of the mucosal defect with sutures.

See PAGE 1330

Alimentary-associated carcinomas in five Vietnamese potbellied pigs

Four Vietnamese potbellied pigs were evaluated because of abdominal distress that did not respond to medical treatment, and 1 was evaluated because of a draining tract of unknown duration involving the cranial aspect of the abdomen. Clinical signs included anorexia, vomiting, and constipation. Physical examination revealed a palpable abdominal mass in all pigs. Three pigs underwent excision of abdominal masses, and all 3 survived at least 9 months after surgery. The other 2 pigs were euthanized. All 5 pigs had a primary carcinoma involving the alimentary tract. Tumors involved the stomach, small intestine, spiral colon, liver, and gallbladder.

See PAGE 1336

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