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"...Atrophic gastritis- results when antibodies attack the stomach lining, causing it to become very thin and also causes destruction of cells that produce acid and enzymes. This condition usually affects the elderly and those who have had partial gastrectomy ( a procedure in which part of the stomach is removed). Atrophic gastritis may cause pernicious anemia because it interferes with the absorption of vitamin B12 from food...." ...this text is below...
"... Gastritis is inflammation of the lining of the stomach.
The lining of the stomach is remarkably resistant to injury from the acid and the digestive enzymes. Nevertheless, the stomach lining can sometimes become irritated and inflamed. ..." in the article below...
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What is gastritis?
Gastritis is a condition in which the stomach lining - known as the mucosa - is inflamed. The stomach lining contains special cells that produce acid and enzymes, which help break down food for digestion, and mucus, which protects the stomach lining from acid. When the stomach lining is inflamed, it produces less acid, enzymes, and mucus.
Gastritis may be acute or chronic. Sudden, severe inflammation of the stomach lining is called acute gastritis. Inflammation that lasts for a long time is called chronic gastritis. If chronic gastritis is not treated, it may last for years or even a lifetime.
Erosive gastritis is a type of gastritis that often does not cause significant inflammation but can wear away the stomach lining. Erosive gastritis can cause bleeding, erosions, or ulcers. Erosive gastritis may be acute or chronic.
The relationship between gastritis and symptoms is not clear. The term gastritis refers specifically to abnormal inflammation in the stomach lining. People who have gastritis may experience pain or discomfort in the upper abdomen, but many people with gastritis do not have any symptoms.
The term gastritis is sometimes mistakenly used to describe any symptoms of pain or discomfort in the upper abdomen. Many diseases and disorders can cause these symptoms. Most people who have upper abdominal symptoms do not have gastritis.
What causes gastritis?
Helicobacter pylori (H. pylori) infection causes most cases of chronic nonerosive gastritis. H. pylori are bacteria that infect the stomach lining. H. pylori are primarily transmitted from person to person. In areas with poor sanitation, H. pylori may be transmitted through contaminated food or water.
In industrialized countries like the United States, 20 to 50 percent of the population may be infected with H. pylori.1 Rates of H. pylori infection are higher in areas with poor sanitation and higher population density. Infection rates may be higher than 80 percent in some developing countries.1
The most common cause of erosive gastritis - acute and chronic - is prolonged use of nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin and ibuprofen. Other agents that can cause erosive gastritis include alcohol,cocaine, and radiation.
Traumatic injuries, critical illness, severe burns, and major surgery can also cause acute erosive gastritis. This type of gastritis is called stress gastritis.
Less common causes of erosive and nonerosive gastritis include
1Lee Y, Liou J, Wu M, Wu C, Lin J. Review: eradication of Helicobacter pylori to prevent gastroduodenal diseases: hitting more than one bird with the same stone. Therapeutic Advances in Gastroenterology. 2008;1(2):111–120. ...
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