期刊
JOURNAL OF VETERINARY INTERNAL MEDICINE
卷 25, 期 6, 页码 1241-1247出版社
WILEY
DOI: 10.1111/j.1939-1676.2011.00793.x
关键词
Amylase; Lipase; Pancreas-specific lipase; Pancreatic inflammation; Trypsinogen-like immunoreactivity
资金
- ACORN
- American Kennel Club Canine Health Foundation
- IDEXX Laboratories, West Sacramento, CA
Background: Pancreatitis is a common disorder in dogs for which the antemortem diagnosis remains challenging. Objectives: To compare the sensitivity and specificity of serum markers for pancreatitis in dogs with histopathologic evidence of pancreatitis or lack thereof. Animals: Seventy dogs necropsied for a variety of reasons in which the pancreas was removed within 4 hours of euthanasia and serological markers were evaluated within 24 hours of death. Methods: Prospective study: Serum was analyzed for amylase and lipase activities, and concentrations of canine trypsin- like immunoreactivity (cTLI) and canine pancreas-specific lipase (cPL). Serial transverse sections of the pancreas were made every 2 cm throughout the entire pancreas and reviewed using a semiquantitative histopathologic grading scheme. Results: The sensitivity for the Spec cPL (cutoff value 400 mu g/L) was 21 and 71% in dogs with mild (n = 56) or moderate-severe pancreatitis (n = 7), and 43 and 71% (cutoff value 200 mu g/L), respectively. The sensitivity for the cTLI, serum amylase, and lipase in dogs with mild or moderate-severe pancreatitis was 30 and 29%; 7 and 14%; and 54 and 71%, respectively. The specificity for the Spec cPL based on 7 normal pancreata was 100 and 86% (cutoff value 400 and 200 mu g/L, respectively), whereas the specificity for the cTLI, serum amylase, and lipase activity was 100, 100, and 43%, respectively. Conclusion and Clinical Importance: The Spec cPL demonstrated the best overall performance characteristics (sensitivity and specificity) compared to other serum markers for diagnosing histopathologic lesions of pancreatitis in dogs.
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