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  • Title: Effects of duodenal alkalinization on pancreatic secretion.
    Author: Takeshima T, Adler M, Nacchiero M, Rudick J, Dreiling DA.
    Journal: Am J Gastroenterol; 1977 Jan; 67(1):54-62. PubMed ID: 851106.
    Abstract:
    Effects of duodenal alkalinization on pancreatic secretion were evaluated in seven dogs including two antrectomized dogs with chronic duodenal fistulas. Continuous intravenous injection of secretin or secretin plus CCK PZ was administered as a stimulus for the pancreatic secretion. Intraduodenal infusion of alkaline solutions such as pancreatic juice (pH 8.6), bile (pH 8.1), bicarbonate solution (160 mEq./I., pH 8.6) and TRIS buffer solution (0.3 M, pH 9.5) caused a moderate increase in protein output and a modest or no increase in flow but no change in bicarbonate output. During infusion of pancreatic juice, varied doses of secretin (0, 0.015, 0.03, 0.06 u./kg./min.), or secretin (0.03 u./kg./min.) plus CCK-PZ (0.05 u./kg./min.) were administered intravenously. For example, under the stimulation of secretin (0.03), flow increased modestly (17.7%), an increase which was of statistical significance. Protein output also showed a significant increase of 35.7%. There was, however, no response of the pancreas to the infusion of pancreatic juice when the gland was stimulated by secretin plus CCK-PZ. Antrectomy did not alter the effect of alkaline intraduodenal infusions on pancreatic secretion.
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