نتایج جستجو برای: lower esophageal sphincter pressure
تعداد نتایج: 1100877 فیلتر نتایج به سال:
Severe esophagitis is associated with motor abnormalities in the esophageal body and lower esophageal sphincter. Reflux disease involves repeated episodes of mucosal inflammation and spontaneous or treatment-induced healing. The aims of this study were 1) to further assess changes induced by acute esophagitis on esophageal peristalsis, tone, and shortening and 2) to assess the effect of repeate...
OBJECTIVES The role of fundoplication in patients with pure type II paraesophageal hiatal hernia remains controversial. Conventional thinking suggests that because the lower esophageal sphincter is located within the abdomen, it is competent, and fundoplication is unnecessary. Few studies have used objective evaluation to guide the addition of an antireflux procedure. METHODS Fifteen consecut...
Esophageal structure and function were studied in juvenile American alligators (Alligator mississippiensis). The anatomy of alligators differs from humans in several important aspects: the crocodilian esophagus is more muscular and is composed entirely of smooth muscle. Functionally, the crocodilian esophagus is similar to that of mammals, but alligators have peak esophageal peristaltic pressur...
myotomy during peroral endoscopic myotomy Peroral endoscopic myotomy (POEM) is being increasingly performed for the management of achalasia. One of the major technical challenges in performing POEM is assessing the extent of the submucosal tunnel, as this will determine the extent of the myotomy. The myotomy should extend 2–3cm beyond the lower esophageal sphincter, as an adequate cardiomyotomy...
We report a simple novel rat model that combines prolonged esophagitis and parallel sphincters failure. The anti-ulcer gastric pentadecapeptide BPC 157, which was found to be stable in gastric juice, and is being evaluated in inflammatory bowel disease trials, is an anti-esophagitis therapy that recovers failed sphincters. Twelve or twenty months after the initial challenge (tubes sutured into ...
BACKGROUND/AIMS Obesity is regarded as an important contributor to the increasing occurrence of gastroesophageal reflux disease. The aims of this study were to determine whether obesity is associated with gastroesophageal reflux in patients with gastroesophageal reflux disease and to identify the factors affecting increased acid exposure in obese patients. METHODS We retrospectively analyzed ...
CONTEXT The rectal distension in dogs increases the rate of transitory lower esophageal sphincter relaxation considered the main factor causing gastroesophageal reflux. OBJECTIVES The aim of this study was evaluate the participation of the nitrergic pathway in the increased transitory lower esophageal sphincter relaxation rate induced by rectal distension in anesthetized dogs. METHODS Male ...
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