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Dynamic antral scintigraphy to characterize gastric antral motility in functional dyspepsia. 1995

J L Urbain, and M C Vekemans, and H Parkman, and J Van Cauteren, and S M Mayeur, and V Van den Maegdenbergh, and N D Charkes, and R S Fisher, and L S Malmud, and M De Roo
Department of Nuclear Medicine, University of Zikenhuizen, Gasthuisberg, Belgium.

We evaluated intragastric food distribution and antral motor activity in patients with functional dyspepsia. METHODS A standard gastric emptying test and dynamic imaging of the antrum were used to characterize gastric antral motility disturbances and to correlate them with total and compartmental gastric emptying in 25 dyspeptic patients. RESULTS We found a 40% prevalence of gastroparesis in functional dyspepsia. Solid gastric emptying delay is indicated by a prolonged lag phase and an increase in frequency and amplitude of gastric contractions, resulting in nonexpulsive antral contractions and/or antropyloric dyscoordination. Food retention in the distal stomach and antral distention appears to account for patients' dyspeptic symptoms. CONCLUSIONS This study demonstrates that scintigraphy not only detects abnormalities of food distribution in the stomach but also provides information on antral motor activity noninvasively. Dynamic antral scintigraphy and compartmental gastric emptying are useful tools to define the pathophysiology of dyspeptic patients with or without gastroparesis.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011706 Pyloric Antrum The region between the sharp indentation at the lower third of the STOMACH (incisura angularis) and the junction of the PYLORUS with the DUODENUM. Pyloric antral glands contain mucus-secreting cells and gastrin-secreting endocrine cells (G CELLS). Antrum, Pyloric,Gastric Antrum,Antrum, Gastric,Antrums, Gastric,Antrums, Pyloric,Gastric Antrums,Pyloric Antrums
D011877 Radionuclide Imaging The production of an image obtained by cameras that detect the radioactive emissions of an injected radionuclide as it has distributed differentially throughout tissues in the body. The image obtained from a moving detector is called a scan, while the image obtained from a stationary camera device is called a scintiphotograph. Gamma Camera Imaging,Radioisotope Scanning,Scanning, Radioisotope,Scintigraphy,Scintiphotography,Imaging, Gamma Camera,Imaging, Radionuclide
D004415 Dyspepsia Impaired digestion, especially after eating. Indigestion,Dyspepsias,Indigestions
D005260 Female Females
D005746 Gastric Emptying The evacuation of food from the stomach into the duodenum. Emptying, Gastric,Emptyings, Gastric,Gastric Emptyings
D005769 Gastrointestinal Motility The motor activity of the GASTROINTESTINAL TRACT. Intestinal Motility,Gastrointestinal Motilities,Intestinal Motilities,Motilities, Gastrointestinal,Motilities, Intestinal,Motility, Gastrointestinal,Motility, Intestinal
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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