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Omeprazole causes delay in gastric emptying of digestible meals

  • Esophageal, Gastric, And Duodenal Disorders
  • Published:
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Abstract

We have studied gastric emptying of a solid, realistic meal (800 cal, 15% protein, 45% fat, 40% carbohydrate) in 21 healthy subjects twice, with and without a four-day pretreatment with 40 mg omeprazole. The last dose of the drug was taken 24 hr before the test, to avoid hypothetical nonsecretory side effects of the drug. Gastric emptying was measured by ultrasound of antral diameters. The results show that basal and maximal postprandial antral cross-sectional areas were the same during the two tests. A greater residual distension of the antrum was present throughout the study after the omeprazole treatment, the difference being significant at time 120 and 240. Omeprazole induced a highly significant delay in gastric emptying [control 199.6 (12.6) vs omeprazole 230.9 (12.7) min, mean (1sem);P<0.003]. The delay was not due to a prolonged lag phase, but rather to an effect on the slope of the emptying curve. This study shows that in normal subjects omeprazole delays gastric emptying of a digestible solid meal.

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Authors and Affiliations

  1. From the Department of Gastroenterology, Rehabilitation Hospital of Valeggio sM, University of Verona, Italy

    Luigi Benini MD, Greta Castellani MD, Enrico Bardelli MD, Carlo Sembenini MD, Maria Teresa Brentegani, Silvio Caliari MD & Italo Vantini MD

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  1. Luigi Benini MD
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  2. Greta Castellani MD
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  3. Enrico Bardelli MD
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  4. Carlo Sembenini MD
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  5. Maria Teresa Brentegani
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  6. Silvio Caliari MD
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  7. Italo Vantini MD
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Benini, L., Castellani, G., Bardelli, E. et al. Omeprazole causes delay in gastric emptying of digestible meals. Digest Dis Sci 41, 469–474 (1996). https://doi.org/10.1007/BF02282320

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  • DOI: https://doi.org/10.1007/BF02282320

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