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Experimental and Clinical Gastroenterology

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Mechanisms of regulation of the motor-evacuation function of the duodenum in chronic duodenal insufficiency by motilin, gastrin, somatostatin

https://doi.org/10.31146/1682-8658-ecg-231-11-17-22

Abstract

Goal. To study the role of hormonal factors in impaired motor evacuation function of the duodenum (duodenum) in chronic duodenal insufficiency (CDN). Methods. CDN verification was carried out by clinical, endoscopic, manometric and electrophysiological research methods. The study of the motor function of the DPC was carried out using the gastroenteromonitor “Gastroscan-GEM”. To determine motilin in the blood, Cloud-Clone Corp., USA) was used, gastrin was a set of Biohit reagents (Finland), and somatostatin -17 was used by Penis Laboratories, LLCA Memberof the Bachem Group (USA). Results. In patients with CDN, an inadequate response of the DPC to food stimulation is observed, expressed in a decrease in the electrical activity of the DPC (1.7± 0.07). A decrease in the coefficient of rhythmicity in the stomach is combined with a decrease in this indicator in the DPC (0.72 ± 0.12, p = 0.013 on an empty stomach, 0.3 ± 0.01, p= 0.000 postprandially). The blood levels of motilin and somatostatin are reduced, and gastrin are increased compared to those of healthy individuals. Against the background of a decrease in motilin content in patients with CDN, there was a decrease in the myoelectric activity of the DPC (-0.7, p=0.03), an increase in its K ritm (0.83, p=0.002) on an empty stomach and an increase in the K ritm of the stomach (0.5, p=0.04) and DPC (0.7, p=0.03) postprandially. There was a strong inverse relationship between gastrin and RyDPC, and a direct average relationship between somatostatin and RyDPC. Conclusion. The results of the conducted studies expand the understanding of the participation of gastrointestinal hormones (motilin, gastrin, somatostatin) in the violation of the motor evacuation function of the DPC in CDN.

About the Authors

M. S. Busygina
Izhevsk State Medical Academy of the Ministry of Health of the Russian Federation
Russian Federation


Ya. M. Vakhrushev
Izhevsk State Medical Academy of the Ministry of Health of the Russian Federation
Russian Federation


N. V. Butorina
Izhevsk State Medical Academy of the Ministry of Health of the Russian Federation
Russian Federation


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For citations:


Busygina M.S., Vakhrushev Ya.M., Butorina N.V. Mechanisms of regulation of the motor-evacuation function of the duodenum in chronic duodenal insufficiency by motilin, gastrin, somatostatin. Experimental and Clinical Gastroenterology. 2024;(11):17-22. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-231-11-17-22

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