Background/Aims Twenty-four-hour esophageal impedance and pH monitoring allows detection of all types of reflux episodes and is considered the best technique for identifying gastroesophageal refluxes. However, normative data for the Japanese population are lacking. This multicenter study aimed to establish the normal range of 24-hour esophageal impedance and pH data both in the distal and the p...

BACKGROUND Laparoscopic Nissen fundoplication (LNF) is the most frequently performed operation for gastro-oesophageal reflux disease (GORD). However, 12% of the patients have persistent reflux symptoms and 19% develop gas-related symptoms after LNF. Weakly acidic reflux and inability to belch have been alleged to cause these symptoms, respectively. The effect of LNF on weakly acidic reflux and ...

Abstract Hydrogen peroxide electric pump supply system can provide an improvement to hybrid rocket motor performance. Due the physical and chemical properties of hydrogen peroxide, a canned scheme is more suitable be used in motor. The high-temperature liquid between rotor stator pump, returning inlet inducer, has considerable influence on anti-cavitation numerical simulation results show that ...

Gastroesophageal reflux (GER), asthma-type cough and upper airway disease are the most common causes of chronic cough syndrome. We present a case in which impedance-pH monitoring indicated severe mixed acid-nonacid esophageal reflux reaching the upper third of the esophagus in 75% of nonacid events. GER and the associated aspiration episodes were shown to be the cause of severe asthma attacks a...

Multiple surgical procedures have been reported to induce gastroesophageal reflux in animals. Herein, we report three surgical models with mice aiming to induce reflux of gastric contents, duodenal contents or mixed contents. Surgical procedures and general principles have been described in detail. A researcher with surgical experience should be able to grasp the technique after a short period ...

A realistic numerical model is used to study the circulation and mixing of Salish Sea, a large, complex estuarine system on United States Canadian west coast. The Sea biologically productive supports many important fisheries but threatened by recurrent hypoxia ocean acidification, so clear understanding its patterns residence times value. exchange flow quantified at 39 sections over 3 years (20...

Chronic venous disease (CVD) is the most prevalent form of vascular disease, affecting about a third of adult Americans. Most patients present with varicose veins but swelling and skin damage are common as well. The signs and symptoms of CVD are result of venous hypertension that develops from reflux, obstruction or a combination of both. In patients with CVD, around 70-80% will have superficia...

We used vortex contact devices that we developed and investigated to make a new design of an alcohol diabatic distillation column with heat exchange pipes (as the reflux condenser) passing through concentrating section trays. In column, ascending vapors partially condensed on surface vertically installed tubes, forming reflux. The was then mixed draining liquid flow in placed Heat removed from ...

BACKGROUND The effect of proton pump inhibitors on the characteristics of gastroesophageal reflux (GER) in children and adolescents was evaluated. METHODS Twenty-one children and adolescents with symptoms suggesting GER disease (GERD) underwent upper endoscopy and a 24-hour multichannel intraluminal impedance/pH (MII-pH) monitoring before and at the end of 2 months of therapy with proton pump...