| The effect of epinephrine on glucose-mediated and insulin-mediated glucose disposal in insulin-dependent diabetes. | |
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MedLine Citation:
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PMID: 1640854 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The aim of this study was to determine the relative roles of changes in glucose-mediated glucose disposal (SG) and insulin sensitivity (SI) on the impairment of glucose disposal caused by epinephrine (EPI) infusion in type I (insulin-dependent) diabetes mellitus (IDDM). Seven non-obese young adult diabetics with minimal endogenous insulin secretion had EPI infusions at 25 ng/kg/min for 5.5 hours, after a basal overnight insulin infusion (12 mU/kg/h), and glucose infusion as required to maintain euglycemia. The EPI infusion produced approximately an eightfold increase in plasma EPI. At 2.5 hours, an intravenous glucose tolerance test (IVGTT) was performed with supplemental exogenous insulin infusion to achieve an approximation of normal endogenous insulin secretion. In random order, each subject also had a control (CTR) infusion of basal insulin before the IVGTT. The results were analyzed according to a modification of the minimal model of Bergman et al. EPI infusion was associated with (1) elevated basal plasma glucose (EPI v CTR, 9.8 +/- 0.3 SE v 7.7 +/- 0.7 mmol/L, P less than .05); (2) elevated plasma nonesterified fatty acids (NEFA, 0.9 +/- 0.1 v 0.3 +/- 0.1 mmol/L, P less than .05); and (3) profoundly reduced glucose disposal (KG 0.59 +/- 0.1 v 1.91 +/- 0.33 min-1 x 10(2), P less than .02). Further analysis showed that the reduced glucose disposal was attributable to a marked decrease in SI (EPI 0.9 +/- 0.5 v CTR 7.03 +/- 3.2 min-1.mU-1.L x 10(4), P less than .05) with no significant change in SG (EPI 2.5 +/- 0.2 v CTR 3.1 +/- 0.5 min-1 x 10(2), NS).(ABSTRACT TRUNCATED AT 250 WORDS) |
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Authors:
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J M Walters; G M Ward; A Kalfas; J D Best; F P Alford |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Metabolism: clinical and experimental Volume: 41 ISSN: 0026-0495 ISO Abbreviation: Metab. Clin. Exp. Publication Date: 1992 Jun |
Date Detail:
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Created Date: 1992-09-01 Completed Date: 1992-09-01 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0375267 Medline TA: Metabolism Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 671-7 Citation Subset: IM |
Affiliation:
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Endocrinology Unit, St. Vincent's Hospital, Fitzroy, Australia. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Diabetes Mellitus, Type 1 / metabolism* Epinephrine / blood, pharmacology* Fatty Acids, Nonesterified / blood Glucose / metabolism* Glucose Tolerance Test Humans Insulin / physiology* Male |
| Chemical | |
Reg. No./Substance:
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0/Fatty Acids, Nonesterified; 11061-68-0/Insulin; 50-99-7/Glucose; 51-43-4/Epinephrine |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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