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      Reduced postprandial blood glucose levels in recently diagnosed non-insulin-dependent diabetics secondary to pharmacologically induced delayed gastric emptying.

      1 , ,
      Digestive diseases and sciences

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          Abstract

          In a previous study we demonstrated that patients with recently diagnosed non-insulin-dependent diabetes mellitus (NIDDM) had significantly increased gastric emptying rates of glucose solutions compared with those of nondiabetic sex- and age-matched controls. This finding of rapid gastric emptying contrasts with the delayed gastric emptying often exhibited as a late manifestation of diabetes mellitus that is attributed to autonomic neuropathy. The purpose of this study was to determine, in seven of the patients previously studied, whether (1) an intravenous infusion of cholecystokinin-8 (CCK-8) would delay the gastric emptying of a liquid glucose meal and, if so, (2) whether the delay in gastric emptying would result in reduced postprandial blood glucose concentrations due to prolongation of the absorption of the glucose in the liquid meal. Each patient underwent two separate gastric emptying studies, one during a saline infusion and one during a CCK-8 infusion. Blood samples were obtained at 15-min intervals for measurement of glucose, insulin, CCK-8, and gastric inhibitory polypeptide (GIP) concentrations. The average gastric half-emptying time was 41 min with the saline infusion and 94 min with the CCK-8 infusion (P = 0.0042). The average glucose concentration over the 2-hr period following glucose ingestion was 17.1 mmol/liter with the saline infusion and 14.0 mmol/liter with the CCK-8 infusion (P = 0.0073). The average glucose excursion value over the 2-hr period was reduced from 5.6 mmol/liter to 3.7 mmol/liter with the CCK-8 infusion (P = 0.0550).(ABSTRACT TRUNCATED AT 250 WORDS)

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          Author and article information

          Journal
          Dig. Dis. Sci.
          Digestive diseases and sciences
          0163-2116
          0163-2116
          Jan 1993
          : 38
          : 1
          Affiliations
          [1 ] Department of Radiology, University of Texas Health Science Center, San Antonio 78284.
          Article
          8420760
          35ce154c-f876-4e37-87d0-7dad2d0f27d4
          History

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