Urmas Siigur

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Output of bacterial metabolites reflects not only the number but the metabolic activity of certain microorganisms. In case of excess of a substrate one can observe the increased output of metabolite(s) without the overgrowth of intestinal bacteria. This matter is used for detection of malabsorption of some carbohydrates (lactose, glucose) by increased(More)
Methodical approaches to detection of relation between intestinal microflora and its metabolites are described. The microbial origin of certain compounds can be asserted by a decrease in their production after exposure to antibacterial drugs or the absence of their production in microbe-free animals. The authors consider that parallel investigation of(More)
The procedures most widely used in investigation of intestinal microflora activity are briefly reviewed. The original findings relating to investigation of intestinal microflora and isolation of certain bacterial metabolites from rats with self-filling jejunal loop are presented as an example. Marked correlation between isolation of certain bacterial(More)
Shifts in the quantitative composition of fecal microflora may be assessed by estimating the summary share (in per cent) of the bacterial groups associated with fecal microbiocenosis, this share being estimated by the nonparametric statistics methods. The ratio between potentially dominating and concomitant groups of microorganisms in fecal microbiocenosis(More)
Congenital heart defects (CHD) occur in 8 per 1000 live births. If they remain untreated, 70-80% of these patients die in early childhood. With modern diagnostic and treatment procedures, 90% of these patients reach adulthood. Within 8 years following reunification of Germany, it was possible to improve treatment for CHD in former East Germany to West(More)
Possible characterization of intestinal microflora as an integral system after exposure to antibacterial drugs was studied. Microflora of the contents and mucosa of the jejunum and large intestine in control rats and in rats exposed to metronidazole was studied and numerical indicators characterizing ratios of dominating and accompanying microbial groups in(More)
Faecal short-chain fatty acids (SCFAs) were determined in 49 infants on three occasions, i.e. at ages three and six days and two months. At two months, the breast-fed infants had a significantly higher proportion of acetic acid in the SCFA spectra than the bottle-fed infants. The data suggest that the composition of the intestinal microflora in most(More)
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