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Soffer E. E. M.D.; Geva, B. M.D.; Helman, C. M.D.; Avni, Y. M.D.; Bar-Meir, S. M.D.
Journal of Clinical Gastroenterology: December 1987

We studied gastric emptying of solid food, using a radionuclide technique, in 18 patients with chronic renal failure patients on hemodialysis: nine with nausea and vomiting or postprandial bloating and nine without. Both groups were compared with a group of normal subjects. Gastric emptying was consistent with a linear elimination in all groups. The regression coefficients of the symptomatic, asymptomatic, and control groups were −0.48 ± 0.1%, −0.5 ± 0.14%, and −0.58 ± 0.15% min, respectively. These were not statistically different. Half-emptying times were 116.4 ± 7.1 min, 97.8 ± 13.7 min, and 98.7 ± 5.6 min, respectively. These also were not statistically different. Values of percentage retention at 2.5 hours for the same groups were 31.6 ± 5, 24.8 ± 6.4, and 18.6 ± 4.4, respectively, again with no statistical difference. Patients with chronic renal failure on hemodialysis, symptomatic or asymptomatic, have no obvious impairment of gastric emptying of solids.

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