Abstract
Disordered gastric motility and emptying arewell known complications of diabetes mellitus (DM), butthe pattern of intragastric distribution of food has notbeen extensively studied in diabetics. We examined the partition of a liquid nutrient meal betweenthe proximal and distal stomach and the relationshipsbetween intragastric distribution of food and gastricemptying (GE) and the symptoms in DM patients with and without autonomic neuropathy (AN).Fourteen healthy volunteers and 20 DM patients (13 withAN; 9 with dyspepsia symptoms) ingested a liquidnutrient meal (250 ml; 437 kcal) labeled with[99mTc]phytate. Anterior and posterior serial images of thestomach were taken for 90 min with a gamma camera.Regions of interest for the proximal and the distalhalves of the stomach and for the total gastric areawere defined. Counts from each region along timeallowed estimation of GE and the proportion of activityretained in the proximal stomach after meal ingestion(initial) and throughout GE (mean). GE half-times in controls (median; range: 66 min; 29-90 min)were not significantly different from diabetics (76 min;5->150 min, P > 0.10), but abnormal GE was foundin 11 DM patients (seven delayed and four rapid). In DM patients, initial retention inthe proximal stomach (42%; 16-79% ) was significantlylower (P < 0.02) than in controls (55%; 44-71%). Meanretention in the proximal stomach throughout emptying also was significantly lower (P <0.05) in DM patients (43%; 18-58%) than in controls(51%; 32-69%). There were no differences betweensubgroups of patients with normal, delayed, or rapid gastric emptying regarding mean meal retentionin the proximal stomach. Patients with evidence of AN orwith dyspepsia symptoms had significantly decreasedretention of food in the proximal stomach throughout gastric emptying. We concluded that patientswith diabetes mellitus have abnormally decreasedretention of gastric contents in the proximal stomachafter a liquid meal, which seems to be related to the occurrence of autonomic neuropathy anddyspepsia symptoms, but not to disordered gastricemptying.
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Troncon, L.E.A., Rosa-E-Silva, L., Oliveira, R.B. et al. Abnormal Intragastric Distribution of a Liquid Nutrient Meal in Patients with Diabetes Mellitus. Dig Dis Sci 43, 1421–1429 (1998). https://doi.org/10.1023/A:1018834025351
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DOI: https://doi.org/10.1023/A:1018834025351