Abstract
To assess the effects of H(2)-receptor blocking pharmacon, protease inhibitor, and gastro kinetic agents on the human Sphincter of Oddi (SO) motility by choledochoscope manometry. One hundred and seventy-five patients with T tube installed after cholecystectomy and choledochotomy were assessed by choledochoscope manometry. They were randomly assigned into groups of H(2)-receptor blocking pharmacon, protease inhibitor, and gastro kinetic agents. The Sphincter of Oddi basal pressure (SOBP), amplitude (SOCA), frequency of contractions (SOF), duodenal pressure (DP), and common bile duct pressure (CBDP) were scored and analyzed. SOBP and SOCA were significantly decreased after cimetidine administration, and no statistical difference was seen in the famotidine group. In the gabexate mesilate group, SOBP had decreased significantly. In the ulinastatin group, SOCA decreased when ulinastatin was given at the rate of 2500 U/min; when ulinastatin administration was raised to 5000 U/min, SOBP, SOF and SOCA all experienced a fall. SOBP and SOCA for domperidone and SOCA for mosapride groups all decreased distinctly after administration. The regular dosage of cimetidine showed an inhibitory effect on the motility of SO, while famotidine had no obvious effects otherwise. Gabnexata mesilate, ulinastatin and gastro kinetic agents also showed inhibitory effects on the SO motility.
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