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  • Title: Clinical evaluation of a pancreatic lipase mass concentration assay.
    Author: van Ingen HE, Sanders GT.
    Journal: Clin Chem; 1992 Nov; 38(11):2310-3. PubMed ID: 1385018.
    Abstract:
    An immunoactivation assay for determining pancreatic lipase mass concentration was clinically evaluated and compared with results obtained by measuring total amylase and pancreatic amylase activity. A group of 30 patients with pancreatitis was compared with a control group of 32 patients in which this disease was suspected but excluded. Both lipase mass concentration and pancreatic amylase activity exhibit good sensitivity (0.93 each) and specificity (0.94 and 0.97, respectively) at cutoff concentrations of 200 micrograms/L and 200 U/L, respectively. The median increase in lipase mass concentration (37.1 times the upper limit of the reference interval) in the pancreatitis group was higher than that for either total amylase or pancreatic amylase activity (5.94 and 14.5 times, respectively) but showed a similar time to peak value. We conclude that the lipase assay is the method of choice for diagnosing pancreatitis.
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