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1
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Frequency of Helicobacter pylori infection in children under 4 years of age

100%
Przybyszewska K., Bielanski W., Fyderek K.
Journal of Physiology and Pharmacology. Supplement
|
2006
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tom 57
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nr 3
113-122
The work aimed at establishment of frequency of Helicobacter pylori (Hp) infection in children under 4 years of age. One hundred ninety-eight children (6 month to 4 year) were tested using urea breath test (UBT) with the non-radioactive isotope 13C (50 mg of urea). The air was collected before and in the 20th and 30th minute after standard meal. The results of measurements (mass spectrometry IRMS) were given as a quotient 13CO2 /CO2 (), and a positive value was set at >3,5‰. Parents of tested children were asked to fill in a questionnaire on a somatic development, the digestive tract symptoms of a child and family members as well as socioeconomic conditions. The data were analyzed to establish the risk factors in Hp infection in children. Hp infection was found in 18,38% of children. It was not related to child’s sex nor age. The statistical significance was found in the occurrence of Hp infection among children whose family members had infection and among those attending créches or kindergartens. Non-radioactive 13C UBT is very useful and easy method to use in epidemiological studies even in youngest children. The course of infection was asymptomatic and had no impact on their somatic development. Factors increasing the risk of Hp infection were occurrence of Hp among other family members and contact with other children in educational facilities.
2

Wpływ sposobu karmienia na osoczowe stężenie hormonów tkanki tłuszczowej u niemowląt

100%
Tomasik P., Fyderek K., Rogatko I., Sztefko K.
Diagnostyka Laboratoryjna
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2007
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tom 43
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nr 3
3

Wpływ diety bezglutenowej na stężenie oreksyny w surowicy dzieci z celiakią

88%
Tomasik P., Grzenda-Adamek Z., Sztefko K., Kalfas-Paluch D., Fyderek K.
Diagnostyka Laboratoryjna
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2004
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tom 40
|
nr 3
4

Impact of biological treatment on intestinal microbiom in children with Crohn’s disease

76%
Krawczyk A., Sroka-Oleksiak A., Kowalska-Duplaga K., Fyderek K., Gosiewski T., Salamon D.
World Scientific News
|
2018
|
tom 104
5

Giardia lamblia, Cryptosporidium parvum and Blastocystis hominis infections in children

76%
Pietrzyk A., Ponanta-Gawron K., Kochan P., Papir B., Sroka-Oleksiak A., Fyderek K., Bulanda M.
Postępy Mikrobiologii. Suplement
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2017
|
tom 56
|
nr 3
6

Dependence of colonization of the large intestine by Candida on the treatment of Crohn’s disease

76%
Kowalska-Duplaga K., Krawczyk A., Sroka-Oleksiak A., Salamon D., Wedrychowicz A., Fyderek K., Gosiewski T.
Polish Journal of Microbiology
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2019
|
tom 68
|
nr 1
The aim of this study was to determine if there are quantitative differences in Candida fungi between pediatric patients with Crohn’s disease (before and after exclusive enteral nutrition (EEN), and the biologic therapy with anti-tumor necrosis factor alpha – (IFX)), and healthy controls. DNA was isolated from fecal samples and PCR was used to determine the number of fungal cells. Both therapeutic interventions resulted in a statistically significant decrease in Pediatric Crohn’s Disease Activity Index. The numbers of Candida decreased during both therapeutic intervention but the difference was statistically significant for the IFX intervention only (p = 0.045). Moreover, fungi population in both study groups declined during intervention when compared to the control group but the difference was significant before treat-ment only in the IFX group (p = 0.013). The total distribution of Candida with both IFX and EEN as well as in the control group differed significantly (p = 0.01) before treatment only. No correlation between the numbers of Candida and disease activity as well as the following biochemical parameters: serum iron concentration, protein or glucose level were found. It cannot be ruled out that, in combination with genetic and immunological disorders, fungi can contribute to the initiation of the disease process and perpetuation of active inflammation.
7

Modyfication of intestinal microbiom in children with Crohn disease remaining on exclusive enteral nutrition

64%
Kowalska-Duplaga K., Gosiewski T., Wedrychowicz A., Pieczarkowski S., Sroka-Oleksiak A., Wolkow P., Kapusta P., Ludwig-Galezowska A., Fyderek K.
Postępy Mikrobiologii. Suplement
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2017
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tom 56
|
nr 3
8

The influence of biological treatment on intestinal microbiom in Crohn's disease

64%
Fyderek K., Kowalska-Duplaga K., Gosiewski T., Salamon D., Sroka-Oleksiak A., Wolkow P., Kapusta P., Ludwig-Galezowska A.
Postępy Mikrobiologii. Suplement
|
2017
|
tom 56
|
nr 3
9
Content available remote

The influence of pretreatment with ghrelin on the development of acetic-acid-induced colitis in rats

64%
Maduzia D., Matuszyk A., Ceranowicz D., Warzecha Z., Ceranowicz P., Fyderek K., Galazka K., Dembinski A.
Journal of Physiology and Pharmacology
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2015
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tom 66
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nr 6
10

Kalprotektyna (S100 A8/A9) i TNF-alfa w diagnostyce różnicowej przewlekłych bólów brzucha u dzieci

64%
Pieczarkowski S., Kowalska-Duplaga K., Kwinta P., Wedrychowicz A., Radom A., Zajac A., Tomasik P., Fyderek K.
Diagnostyka Laboratoryjna
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2017
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tom 53
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nr 1
11
Content available remote

A role of hydrogen peroxide producing commensal bacteria present in colon of adolescents with inflammatory bowel disease in perpetuation of the inflammatory process

64%
Strus M., Gosiewski T., Fyderek K., Wedrychowicz A., Kowalska-Duplaga K., Kochan P., Adamski P., Heczko P. B.
Journal of Physiology and Pharmacology. Supplement
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2009
|
tom 60
|
nr 6
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