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On the rating of Helicobacter pylori in drinking water


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Abstract

There are considered the issues related to the possibility to rate of Helicobacter pylori (H.pylori) content in drinking water. There is described the mechanism of of biofilm formation The description refers to the biofilm formation mechanism in water supply systems and the existence of H. pylori in those systems. The objective premises of the definition of H.pylori as a potential limiting factor for assessing the quality of drinking water have been validated as follows: H.pylori is an etiologic factor associated to the development of chronic antral gastritis, gastric ulcer and duodenal ulcer, and gastric cancer either, in the Russian population the rate of infection with H.pylori falls within range of 56 - 90 %, water supply pathway now can be considered as a source of infection of the population with H.pylori, the existence of WHO regulatory documents considering H.pylori as a candidate for standardization of the quality of the drinking water, quite common occurrence of biocorrosion, the reduction of sanitary water network reliability, that creates the possibility of concentrating H.pylori in some areas of the water system and its delivery to the consumer of drinking water, and causes the necessity of the prevention of H.pylori-associated gastric pathology of the population. A comprehensive and harmonized approach to H.pylori is required to consider it as a candidate to its rating in drinking water. Bearing in mind the large economic losses due to, on the one hand, the prevalence of disease caused by H.pylori, and, on the other hand, the biocorrosion of water supply system, the problem is both relevant in terms of communal hygiene and economy.


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