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Related Experiment Videos

The secretin-CCK test and a modified Lundh test. A comparative study

P Rolny, R Jagenburg

    Scandinavian Journal of Gastroenterology
    |January 1, 1978
    PubMed
    Summary

    The secretin-cholecystokinin (CCK) test is more sensitive than the modified Lundh test for diagnosing pancreatic diseases, particularly chronic pancreatitis, by measuring bicarbonate secretion.

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    Area of Science:

    • Gastroenterology
    • Pancreatic Physiology
    • Diagnostic Testing

    Background:

    • Pancreatic exocrine function tests are crucial for diagnosing pancreatic diseases.
    • The Lundh test and secretin-cholecystokinin (CCK) test are established methods for assessing pancreatic function.
    • Comparing the diagnostic accuracy of these tests is important for clinical practice.

    Purpose of the Study:

    • To compare the diagnostic performance of a modified Lundh test and the secretin-CCK test.
    • To evaluate the sensitivity of trypsin and bicarbonate secretion measurements in detecting pancreatic disease.
    • To identify the most effective test for diagnosing chronic pancreatitis.

    Main Methods:

    • A comparative study involving 34 patients with pancreatic diseases and 20 controls with other gastrointestinal disorders.
    • Administration of a modified Lundh test and a secretin-CCK test to all participants.
    • Measurement of pancreatic enzyme (trypsin) and bicarbonate secretion following stimulation.

    Main Results:

    • Estimation of trypsin secretion showed low sensitivity in detecting pancreatic disease, regardless of stimulation method.
    • Bicarbonate secretion measurement after secretin stimulation demonstrated higher sensitivity for pancreatic disease.
    • The secretin-CCK test was particularly effective in disclosing chronic pancreatitis.

    Conclusions:

    • The secretin-CCK test, by assessing bicarbonate secretion, offers superior sensitivity for diagnosing pancreatic diseases compared to trypsin estimation.
    • Bicarbonate secretion measurement is a more reliable indicator for diagnosing chronic pancreatitis.
    • The modified Lundh test's sensitivity for pancreatic disease detection is limited.

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