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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
1983-2-25
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pubmed:abstractText |
To examine why intravenous infusion of hypertonic non-electrolyte solutions inhibit pancreatic HCO3(-) secretion, the relationship between pancreatic HCO3(-) secretion and plasma pH was examined before and following intravenous infusion of hypertonic glucose to 5 anesthetized, secretin infused (2.7 C.U./kg b.wt.h-1) pigs. Hyperglycemia (plasma glucose 103 +/- 6 mmol/l) did not significantly change plasma pH, Na+, K+, Cl- and HCO3(-) concentrations. Hyperglycemia reduced pancreatic water flux by 48 +/- 5% and raised pancreatic juice HCO3(-) concentration by 43 +/- 4 mmol/l. Concurrently, HCO3(-) secretion fell by 34 +/- 5%. Acidosis, produced through intravenous HCl infusion and CO2 addition to inspired air, reduced HCO3(-) secretion by 40 +/- 6 mumol/min and 30 +/- 5 mumol/min per 0.1 pH unit reduction in plasma pH before and during hyperglycemia, respectively, and abolished HCO3(-) secretion at an estimated plasma pH of 6.51 +/- 0.06 before and a pH of 6.63 +/- 0.05 during hyperglycemia. We conclude that hypertonic glucose infusions inhibit pancreatic water flux and cause an increase in pancreatic juice HCO3(-) concentration which may inhibit HCO3(-) secretion through an effect on acid-base balance in secretory cells.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
0001-6772
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
115
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
349-54
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:7180531-Acid-Base Equilibrium,
pubmed-meshheading:7180531-Animals,
pubmed-meshheading:7180531-Bicarbonates,
pubmed-meshheading:7180531-Blood Glucose,
pubmed-meshheading:7180531-Glucose,
pubmed-meshheading:7180531-Glucose Solution, Hypertonic,
pubmed-meshheading:7180531-Hydrogen-Ion Concentration,
pubmed-meshheading:7180531-Infusions, Parenteral,
pubmed-meshheading:7180531-Pancreas,
pubmed-meshheading:7180531-Pancreatic Juice,
pubmed-meshheading:7180531-Swine,
pubmed-meshheading:7180531-Water-Electrolyte Balance
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pubmed:year |
1982
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pubmed:articleTitle |
Effect of intravenous infusion of hypertonic glucose solutions on pancreatic HCO3(-) secretion.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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