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[Retrograde cricopharyngeal dysfunction (inability to belch) - a »new« diagnosis that deserves attention].
Lakartidningen
December 2024
fil dr, forskningschef, adjungerad professor i neurovetenskap och fysiologi, Stayble Ther-apeutics, Göteborg; Sahlgrenska akademin, Göteborgs universitet.
The belching reflex involves transient lower oesophageal sphincter relaxation and relaxation of the cricopharyngeus (CP). In some individuals, the latter stage fails,leading to return of gas to the stomach. This pattern is then repeated, which is accompanied by chest pain and loud, gurgling noises.
View Article and Find Full Text PDFGastric cardia bronchogenic cyst with prolonged belching.
Rev Esp Enferm Dig
July 2024
Radiology, Yantai Affiliated Hospital of Binzhou Medical University, China.
A 65-year-old man presented with a 15-year history of belching, accompanied by intermittent epigastric pain. She had undergone abdominal computed tomography 5 years earlier, which showed a cystic mass in the gastric cardia (asterisk), measuring 4 cm × 3 cm in size. His symptoms worsened recently, especially when consuming stimulating food or after emotional excitement.
View Article and Find Full Text PDFLong-Term Recording of Reticulo-Rumen Myoelectrical Activity in Sheep by a Telemetry Method.
Animals (Basel)
April 2021
Department of Large Animal Diseases and Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-797 Warsaw, Poland.
The reticulum and rumen are considered a single functional unit (the reticulo-rumen) with regards to myoelectrical and contractile activities. The specialized contractions of the reticulo-rumen provide constant mixing of partially digested material (cycle A), its flow into the omasum during eructation (cycle B), and regurgitation-rumination (cycle C). This study aimed to investigate the feasibility of electromyography (EMG) registered by a long-term telemetry method for assessment of the basic reticulo-rumen myoelectrical activity in sheep, to develop the effective recognition of the reticulo-rumen cycles at rest with no food stimulation, and to investigate the relationship between cycles A, B, and C in such basic conditions.
View Article and Find Full Text PDFThe Physiology of Eructation.
Dysphagia
April 2016
Division of Gastroenterology and Hepatology, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, 53226, USA.
Eructation is composed of three independent phases: gas escape, upper barrier elimination, and gas transport phases. The gas escape phase is the gastro-LES inhibitory reflex that causes transient relaxation of the lower esophageal sphincter, which is activated by distension of stretch receptors of the proximal stomach. The upper barrier elimination phase is the transient relaxation of the upper esophageal sphincter along with airway protection.
View Article and Find Full Text PDFMechanism of UES relaxation initiated by gastric air distension.
Am J Physiol Gastrointest Liver Physiol
August 2014
MCW Dysphagia Research Institute, Division of Gastroenterology and Hepatology, and Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin.
The aim of this study was to determine the mechanism of initiation of transient upper esophageal sphincter relaxation (TUESR) caused by gastric air distension. Cats (n = 31) were decerebrated, EMG electrodes were placed on the cricopharyngeus, a gastric fistula was formed, and a strain gauge was sewn on the lower esophageal sphincter (n = 8). Injection of air (114 ± 13 ml) in the stomach caused TUESR (n = 18) and transient lower esophageal sphincter relaxation (TLESR, n = 6), and this effect was not significantly (P > 0.
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