A study of 578 patients with different kinds of postvagotomy disorders revealed disorders of the incretory and excretory pancreatic function as well as of the absorptive function of the polygonal liver cells. It was established that an increase of the concentration of immunoreactive insulin and C-peptide with simultaneous reduction of immunoreactive trypsin and accumulation of the radioactive agent in the liver may be used as a diagnostic test of incomplete vagotomy.
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