نتایج جستجو برای: gastric retention

تعداد نتایج: 173310  

2015
Chaoyong Shen Haining Chen Yuan Yin Jiaju Chen Luyin Han Bo Zhang Zhixin Chen Jiaping Chen Ugo Nzeako.

Endoscopic resection has been performed to treat small gastric neoplasms. However, this technique for small gastric gastrointestinal stromal tumors (GISTs) remains controversial. This study aims to compare the safety and surgical outcomes of endoscopic versus open resection of small gastric GISTs.The medical records of 54 consecutive gastric GISTs patients with tumor size of ≤2 cm, who were sur...

2011
Subhashree Sahoo Chandra Kanti Chakraborti Pradipta Kumar Behera Subash Chandra Mishra Kanak Manjari

Aims: Qualitative analysis of a mucoadhesive polymeric (Carbopol940) suspension of Norfloxacin was carried out with the aim of developing an oral controlled release gastro-retentive dosage form. Methods: The characterization of ultrasonicated formulation was performed by Fourier Transform Infrared Spectroscopy (FTIR), Raman Spectroscopy, Xray powder diffraction (XRD) and Scanning electron micro...

Journal: :Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas 1998
G Hessel E F Collares

The objective of this work was to study the gastric emptying (GE) of liquids in fasted and sucrose-fed rats with toxic hepatitis induced by acetaminophen. The GE of three test meals (saline, glucose and mayonnaise) was evaluated in Wistar rats. For each meal, the animals were divided into two groups (N = 24 each). Group I was fed a sucrose diet throughout the experiment (66 h) while group II wa...

Journal: :Gut 1969
A G Turpie J Runcie T J Thomson

In the past twenty years evidence has accumulated that liquorice and related compounds accelerate the rate of healing of gastric ulcers. Powdered succus liquiritiae (Revers, 1948) and glycyrrhiza extract (Schulze, Franke, and Keller, 1954; Ferenbach, 1954; Ohrt, 1955) were shown to be beneficial in patients with gastric ulcer but adequately controlled clinical trials of liquorice extracts were ...

Journal: :Clinical chemistry 1996
R A Dean H R Thomasson N Dumaual D Amann T K Li

Efforts to define gender- and ethnic-dependent differences in ethanol first-pass metabolism by gastric mucosa and liver have been limited by a lack of analytical tools that distinguish ethanol concurrently administered by oral and intravenous routes. A stable isotope gas chromatography-mass spectrometry method for simultaneous measurement of ethanol and ethyl-d5 alcohol in serum was developed t...

2015
Himal Paudel Chhetri Panna Thapa

Oral controlled release and site specific drug delivery system has been of great interest in pharmaceutical field to achieve improved therapeutic advantage. Drug absorption in the gastrointestinal tract is a highly variable procedure and prolonging gastric retention of the dosage form extends the time for drug absorption. Gastro retentive drug delivery system is one of such novel approaches to ...

2017
Umar Farooq Samiullah Khan Shahid Nawaz Nazar Mohammad Ranjha Malik Salman Haider Muhammad Muzamil Khan Eshwa Dar Ahmad Nawaz

Eudragit E 100 and polycaprolactone (PCL) floating microspheres for enhanced gastric retention and drug release were successfully prepared by oil in water solvent evaporation method. Metronidazole benzoate, an anti-protozoal drug, was used as a model drug. Polyvinyl alcohol was used as an emulsifier. The prepared microspheres were observed for % recovery, % degree of hydration, % water uptake, ...

Journal: :Digestion 2008
Daniel W Cassilly Y Richard Wang Frank K Friedenberg Deborah B Nelson Alan H Maurer Henry P Parkman

BACKGROUND/AIM The Gastroparesis Cardinal Symptom Index (GCSI) was developed to assess symptoms of gastroparesis. The aim of this study was to correlate symptoms using the GCSI with delayed gastric emptying (DGE) in symptomatic patients referred for gastric emptying scintigraphy (GES). METHODS A total of 226 consecutive symptomatic patients referred for GES completed the 9-question GCSI. GES ...

2013
Juhi Dubey Navneet Verma

The purpose of writing this review on floating drug delivery systems (FDDS) was to compile the recent literature with special focus on the types of floating drug delivery systems, principal and mechanism of floatation to achieve gastric retention. Drug delivery systems are those that float immediately upon contact with gastric fluids present promising approaches for increasing the bioavailabili...

Journal: :Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver 2013
Mauricio Salicru Dolores Juarez Robert M Genta

BACKGROUND The histopathology of the gastric mucosa in patients with gastroparesis, a condition characterized by gastric retention without obstruction, has not been described. AIM To test the hypothesis that reactive gastropathy is more common in patients with gastroparesis than in subjects with normal gastric motility. METHODS We compared the prevalence of reactive gastropathy, Helicobacte...

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