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publicado em 27/12/2012 às 13h17:00
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Infection by H. pylori can develop into cancer of the stomach or duodenal ulcer

Prevalence rate is high in the north, northeast and center-west, being 80% and reaching 100% of subjects

 
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Helicobacter pylori, the bacterium that causes duodenal ulcer, can cause stomach cancer
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Helicobacter pylori, the bacterium that causes duodenal ulcer, can cause stomach cancer

Infection by H. pylori, although asymptomatic, can lead to serious illnesses such as cancer of the stomach, when the association between the genetic factors of the host and environmental factors such as intake of foods containing high concentrations of salt and small consumption of fresh fruits and raw vegetables, rich in vitamin C and D. The bacterium is also a leading cause of duodenal ulcer. The alert is professor of the Department of Complementary Assessment of UFMG, Dulciene Queiroz. She adds that the bacterium to infect the lining of the stomach produces no symptoms in most people, which favors the development of diseases in 10% of cases.

According to Professor prevalence rate in Brazil is high in the North, Northeast and Midwest as well as in northern Minas Gerais, reaching between 80% and 100% of individuals. In the states of the Southeast and South, the percentage of infected drops to about 50%. Being specific bacteria in humans takes its transmission from one person to another, usually in childhood, and the most likely source of infection is the family, says the doctor.

<b> Tests and treatments </ b>

The diagnosis of the infection can be done through several tests such as invasive, in which the individual is subjected to endoscopy to obtain fragments of the stomach, in order to search for the presence of bacteria. Among noninvasive methods, there is the Breath Test, in which the patient blows a balloon and, shortly thereafter, ingests a solution of urea labeled with carbon 13 nonradioactive. After 30 minutes, a second sample of exhaled air is obtained. The enzyme urease, produced by bacteria when present in the stomach, breaks the urea into ammonia and 13CO2. The latter runs through the bloodstream to the lungs and exhaled air is eliminated. The difference in concentration of 13CO2 between the second and first air sample is determined in a reader light infravermelho.O infection treatment is done with the use of combined antimicrobial medicines to decrease gastric acidity, which facilitates the absorption of drugs, for a period between 7 and 10 days. Not all patients respond well to treatment, mainly due to the resistance of bacteria to antimicrobial agents used or abandonment of treatment by the patient.

<i> With information from Ascom / UFMG <i>

Source: Isaude.net
   Palavras-chave:   H. pylori    Bacteria    Infection    Stomach cancer    Duodenal ulcer    UFMG    Breath test    Endoscopy   
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H. pylori    bacteria    infection    stomach cancer    duodenal ulcer    UFMG    breath test    endoscopy   
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