Abstract
We studied the effect of gastrin-17 on loweresophageal sphincter (LES) characteristics in man. Ninehealthy volunteers participated in two experimentsperformed in random order during continuous infusion of saline (control) or gastrin-17 (15pmol/kg/hr). LES pressure (LESP) and transient loweresophageal sphincter relaxations (TLESR), as most theimportant reflux mechanism, were measured withintraesophageal sleeve manometry combined with pH metry.Infusion of gastrin-17 resulted in plasma gastrin levelscomparable to those reached after a mixed meal. Duringcontinuous gastrin infusion, LESP decreasedsignificantly (P ≤ 0.05) compared to control. The rate andduration of TLESR was not influenced by gastrin-17.Gastroesophageal reflux and the number of TLESRassociated with reflux were significantly (P ≤ 0.05)increased during gastrin infusion. These results suggestthat in humans gastrin at physiological postprandialplasma concentrations decreases LESP, does not influenceTLESR, but increases the percentage of TLESR associated with reflux.
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Straathof, J.W.A., Lamers, C.B.H.W. & Masclee, A.A.M. Effect of Gastrin-17 on Lower Esophageal Sphincter Characteristics in Man. Dig Dis Sci 42, 2547–2551 (1997). https://doi.org/10.1023/A:1018872814428
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DOI: https://doi.org/10.1023/A:1018872814428