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  • Title: Changes of serum amylase, its isozyme fractions and amylase-creatinine clearance ratio in dogs with experimentally induced acute pancreatitis.
    Author: Akuzawa M, Morizono M, Nagata K, Hayano S, Sakamoto H, Yasuda N, Okamoto K, Kawasaki Y, Deguchi E.
    Journal: J Vet Med Sci; 1994 Apr; 56(2):269-73. PubMed ID: 7521216.
    Abstract:
    To investigate the diagnostic application of amylase to canine pancreatic diseases, serum amylase activities, its isozyme fractions and amylase-creatinine clearance ratio (ACCR) were analyzed in normal intact dogs and dogs experimentally induced acute pancreatitis. There was no statistic difference between normal male and female dogs. Amylase specific activities in pancreatic tissue extracts were more than 2,300 times higher than that in serum, and were also higher than those in other tissues; parotid and mandibular salivary glands, lung, heart, liver, spleen, duodenum, jejunum, ileum and kidney. Following the chloroform injection into the pancreatic tissue, WBC increased from 6 to 240 hr and serum glucose significantly increased at 72 and 96 hr, and no urine glucose was detected. BUN as well as serum and urine creatinine showed normal levels. ACCR increased until 96 hr without statistic significance. Serum amylase activities increased significantly after 3 hr and its isozyme was separated into 4 fractions (Amy1-Amy4) in contrast to 3 fractions (Amy2-Amy4) in intact dogs. Since this extra Amy1 seen from 1 hr increasing after 6 hr similarly to other 3 fractions, the evaluation of serum amylase and its isozyme fractions was indicated to be useful for the diagnosis of acute pancreatitis in dogs.
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