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Wyświetlanie 1-7 z 7
Tytuł:
Badania nad wrażliwością Trichomonas hominis na czynniki abiotyczne. 1. Wstępna ocena przeżywalności wiciowców w wybranych mediach w warunkach in vitro
Studies on the susceptibility of Trichomonas hominis to some abiotic factors. I. Preliminary assessment of antitrichomonal activity of selected compounds in vitro
Autorzy:
Chomicz, L.
Żebrowska, J.
Zawadzki, P.
Myjak, P.
Perkowski, K.
Rebandel, H.
Kazimierczuk, Z.
Powiązania:
https://bibliotekanauki.pl/articles/2147385.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
wrazliwosc na leki
in vitro
przezywalnosc
parazytologia lekarska
leki przeciwpasozytnicze
rzesistek jelitowy
wiciowce
czynniki abiotyczne
Trichomonas hominis
Opis:
The flagellate Trichomonas hominis is often identified in human diarrheic stools. Because of the fecal-oral transmission rout, infection with 7. hominis is more frequently reported in children than in adults. Although infections with the trichomonads in some world regions are as often as with Giardia, no prevention and optimal treatment are defined. The purpose of our in vitro studies was to examine susceptibility of T. hominis to a newly synthesized imidazole derivative — 1-metylo-2-(2,4-dinitrobenzylotio)-1H-imidazol — P27; in order to make a comparison between this new and previously known compounds, chlorhexidine and metronidazole were used. The protozoans derived from the diarrheic stool of adult patient were grown on the liquid Pahm medium and subcultured twice a week. Assays of trichomonad cultures were incubated with one of the following substances: chlorhexidine, metronidazole or P27. For each compound, two different concentrations were applied. After 24h exposition, an antitrichomonal effect of the above substances was assessed, namely a quantity of the surviving trichomonads was microscopically determined and compared with that observed in control cultures. The protozoans showed different susceptibility, depending on kind and concentration of tested compound. In comparison to the control cultures, the reduction in number of surviving protozoans appeared in the assays with metronidazole, chlorhexidine and P27 (to 63%, 52% and 8.7%, respectively). The highest in vitro susceptibility of 7. hominis was revealed to a new imidazole derivative P27. The obtained results allow us to suppose that the further studies in this field will be very helpful for explaining the mechanisms of the antitrichomonal activity of the tested compounds as well as for assessment of the influence of various abiotic factors.
Źródło:
Wiadomości Parazytologiczne; 2004, 50, 3; 405-409
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badania nad wrazliwoscia Trichomonas hominis na czynniki abiotyczne. 1. Wstepna ocena przezywalnosci wiciowcow w wybranych mediach w warunkach in vitro
Autorzy:
Chomicz, L.
Zebrowska, J.
Zawadzki, P.
Myjak, P.
Perkowski, K.
Rebandel, H.
Kazimierczuk, Z.
Powiązania:
https://bibliotekanauki.pl/articles/839687.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
wrazliwosc na leki
in vitro
przezywalnosc
parazytologia lekarska
leki przeciwpasozytnicze
rzesistek jelitowy
wiciowce
czynniki abiotyczne
Trichomonas hominis
Źródło:
Annals of Parasitology; 2004, 50, 3; 405-409
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wrazliwosc na mikonazol i itrakonazol szczepow grzybow z rodzaju Candida wyodrebnionych od pacjentow hospitalizowanych i leczonych w trybie ambulatoryjnym
Susceptibility to miconazole and itraconazole of Candida strains isolated from hospitalized and outpatient clinic patients
Autorzy:
Kurnatowska, A.K.
Kwasniewska, J.
Powiązania:
https://bibliotekanauki.pl/articles/840111.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
mikonazol
wrazliwosc na leki
itrakonazol
Candida
parazytologia lekarska
leczenie szpitalne
pacjenci
leki przeciwgrzybicze
szczepy grzybow
leczenie ambulatoryjne
grzybice
Źródło:
Annals of Parasitology; 2009, 55, 4; 415-423
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wrażliwość na mikonazol i itrakonazol szczepów grzybów z rodzaju Candida wyodrębnionych od pacjentów hospitalizowanych i leczonych w trybie ambulatoryjnym
Susceptibility to miconazole and itraconazole of Candida strains isolated from hospitalized and outpatient clinic patients
Autorzy:
Kurnatowska, A.K.
Kwaśniewska, J.
Powiązania:
https://bibliotekanauki.pl/articles/2143561.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
mikonazol
wrazliwosc na leki
itrakonazol
Candida
parazytologia lekarska
leczenie szpitalne
pacjenci
leki przeciwgrzybicze
szczepy grzybow
leczenie ambulatoryjne
grzybice
Opis:
It is known that fungi representing different genera and species can cause organ-limited or systemic infections after disrupting of the natural defense mechanisms in a human organism. The treatment of mycoses still encounters considerable difficulties. Therefore, in vitro assessment of the susceptibility of fungal strains to the antifungal agents now in use and to new drugs is needed more urgently than ever before. It should be emphasized that we treat the fungal susceptibility to antifungal drugs as a quantitative feature of the strain examined. The aim of the presently reported study was the evaluation of the antimycotic action of two azole compounds – miconazole and itraconazole (Janssen) against 205 Candida strains isolated from the various biological specimens of two groups of patients – hospitalized (group 1) and examined in outpatient clinic (group 2); differentiation of species and codes of these strains; analysis of dose-response curves and parameters of polygons of the azoles minimal inhibitory concentrations (MIC). The susceptibility to miconazole and itraconazole was estimated with the agar diffusion test on 3% Sabouraud’s agar – the method developed in our laboratory, using several different concentrations of the drug, which made the plotting of dose-response curves possible. The lowest concentration inhibiting the growth of fungal strain (MIC) was calculated using a transformed equation of rectilinear regression according to Kadłubowski. Species and fungal codes of isolated strains were evaluated according to the guidelines worked out in our department with the use of different media and biochemical tests (bioMérieux). Among 89 strains isolated from the hospitalized patients, six species of the genus Candida genus were found; one strain belonged to Trichosporon cutaneum species. The most frequently encountered species was Candida albicans (73%), which significantly dominated over C. tropicalis, C. parapsilosis, C. glabrata, C. lipolytica and C. famata. All strains from the second group of patients belonged to C. albicans species. In all C. albicans strains from both groups of patients, the most frequent assimilation code (2576174) was found. The miconazole MIC values for Candida strains isolated from the group 1 were characterized by a wide range of variation, from 0.0247mg/l to 6.826 mg/l, from group 2 – 0.0277 to 0.719 mg/l. The itraconazole MIC values were 0.011 to 2.813 mg/l, and 0.0103 to 0.718 mg/l, respectively. The analysis of mean values (x) of miconazole and itraconazole MICs and other parameters allowed us to find that the strains isolated from the patients of group 1 were significantly less susceptible to both drugs in comparison with the strains of the group 2 patients. Also, C. albicans strains from this group of patients had a significantly lower (x) MIC in comparison to the mean values for the most of Candida species isolated from the hospitalized patients (P<0.001). In conclusion, we have found that the most Candida strains from both groups of patients were susceptible to the examined antifungal agents. The strains isolated from the outpatient clinic patients were generally more susceptible especially to itraconazole in comparison with strains from hospitalized patients.
Źródło:
Wiadomości Parazytologiczne; 2009, 55, 4; 415-423
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Charakterystyka mikrobiologiczna i kliniczna grzybów z rodzaju Malassezia
Microbiological and clinical characteristics of Malassezia fungi
Autorzy:
Gnat, Sebastian
Łagowski, Dominik
Powiązania:
https://bibliotekanauki.pl/articles/22180792.pdf
Data publikacji:
2021
Wydawca:
Krajowa Izba Lekarsko-Weterynaryjna
Tematy:
grzyby
Malassezia
charakterystyka
taksonomia
hodowla laboratoryjna
identyfikacja
chorobotwórczość
wrażliwość na leki
diagnostics
pathogenicity
treatment
hosts
lipid dependency
Opis:
Fungi classified into the genus Malassezia, are opportunistic pathogens with high clinical importance in veterinary medicine. The major disease entities associated with these yeasts, include dermatological conditions, e.g. otitis externa, pododermatitis, and dermatitis seborrhoica. Fungi from the genus Malassezia have a wide species-specific range of hosts, where they are present in either commensal or infectious state. There is a number of scientific reports describing diseases caused by these yeasts in cats, dogs, horses, goats, pigs and rabbits. To date, 18 species have been identified, including 17 lipid-dependent and 1 lipid-independent species, with M.pachydermatis isolated from animals most frequently. The lipid dependency of Malassezia spp., results from their inability to synthesize myristic acid, which is a precursor of long-chain fatty acids. The dimorphic Malassezia fungi can occur in natural conditions in both mycelial and yeast phases. In turn, the yeast stage dominates, when they are cultivated under in vitro conditions. The fungus reproduces by budding on a wide base from the same site on one pole (unipolar blastic growth); hence, yeast-like cells in vitro resemble bottles. The recommended treatment of these fungal infections is based on the use of shampoo with 2% miconazole and 2% chlorhexidine, twice a week. Additionally, as shown by research data, itraconazole and ketoconazole have high in vitro efficacy against all Malassezia species, whereas fluconazole and voriconazole exert a very weak effect. In this article a current research is presented, that is focused on the sequence analysis of the genomes of different Malassezia species, which may provide key information required for faster diagnosis, elucidation of the biochemical mechanisms of skin adaptation, and formulation of new drugs.
Źródło:
Życie Weterynaryjne; 2021, 96, 03; 179-186
0137-6810
Pojawia się w:
Życie Weterynaryjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dermatofitozy powodowane przez Microsporum canis u kotów – charakterystyka i sposoby leczenia
Dermatophytosis caused by Microsporum canis in cats - characteristics and treatment
Autorzy:
Gnat, Sebastian
Łagowski, Dominik
Powiązania:
https://bibliotekanauki.pl/articles/22397632.pdf
Data publikacji:
2022
Wydawca:
Krajowa Izba Lekarsko-Weterynaryjna
Tematy:
koty
dermatofitoza
Microsporum canis
zoonozy
leczenie
choroby zwierząt
wrażliwość na leki
lekooporność
rozprzestrzenianie się chorób
cat
dermatophytosis
zoonoses
transmission
Opis:
Dermatomycoses are the most common form of mycoses, which include superficial infections of the skin, particularly the epidermis, human hair and nails, and animal hair, horns, claws and hooves. Once the etiological agent is identified as keratinolytic filamentous fungus classified as a dermatophyte, the infection is diagnosed as dermatophytosis, also known as ringworm or tinea. These fungi are cosmopolitan pathogens found in many ecological niches such as soil human and animal keratin tissues. This article describes the synthetic clinical picture of infections and the results of research related to the treatment of dermatophytoses caused by Microsporum canis in cats. The frequency of isolation of this pathogen from skin lesions is usually higher in cats than in dogs, and more than 90% of dermatophytic lesions in cats and 75% in dogs are etiologically related to this species. A critical factor in the spread of M. canis is the asymptomatic carriage, which is an increasingly common phenomenon in the cat population. Research conducted in recent years shows that up to 50% of people who come into contact with carriers are symptomatically infected. In addition, about 40% of patients with zoonotic infections with the M. canis experience treatment failures and relapses due to drug resistance, premature discontinuation of therapy by the patient, lack of penetration of the drug into the tissues, or its variable bioavailability.
Źródło:
Życie Weterynaryjne; 2022, 97, 06; 392-398
0137-6810
Pojawia się w:
Życie Weterynaryjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Leczenie grzybic powodowanych przez pleśnie i drożdżaki - przegląd piśmiennictwa
Treatment of mycoses caused by moulds and yeasts - a literature review
Autorzy:
Gnat, Sebastian
Łagowski, Dominik
Powiązania:
https://bibliotekanauki.pl/articles/22404501.pdf
Data publikacji:
2022
Wydawca:
Krajowa Izba Lekarsko-Weterynaryjna
Tematy:
mykologia weterynaryjna
grzybice
etiologia
grzyby
grzybice rozsiane
eumycetoma
keratomykoza
kryptokokoza
Malassezia pachydermatis
leczenie
leki przeciwgrzybicze
drożdżaki
pleśnie
grzybice górnych dróg oddechowych
grzybice worków powietrznych
wrażliwość na leki
fungi
yeast
mould
treatment
Opis:
Veterinary medical mycology often differs from the human counterpart by the clinical aspects, the variety of fungi involved, and the antimycotic drugs available. Since the 1980s, there has been a significant increase in the number of humans affected by mycoses, and the spectrum of fungal species defined as pathogenic has broadened due to the increasing immunosuppression in the population. In veterinary mycology, this phenomenon has not been observed or is still insufficiently investigated. Only in the last few years the interest and awareness of the importance of animal mycoses and their treatment have increased. Convincing data present identification of previously human pathogens e.g. Cryptococcus gattii or Sporothrix brasiliensis, in animals. There are also revisions in taxonomy of some groups of fungi. The development of new antifungal drugs with better pharmacological properties, a broader spectrum of activity and fewer adverse effects was largely stimulated by the aforementioned increase of cases of fungal infections and the variety of causative agents. Some of these newly developed antifungal drugs are very expensive and, as is well known, economic considerations have a much greater influence on the decision to treat animals than it is in humans. Unfortunately, it is still often believed that the value of an animal is calculated in relation to the cost of therapy. This article reviews the literature on the treatment of fungal and yeast infections from the veterinary perspective of antifungal therapy. Particular attention was paid to the characteristics of disseminated mould mycoses in dogs, as there are numerous reports in the scientific literature in this field.
Źródło:
Życie Weterynaryjne; 2022, 97, 07; 453-459
0137-6810
Pojawia się w:
Życie Weterynaryjne
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-7 z 7

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