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    Wyświetlanie 1-6 z 6
    Tytuł:
    Levels of fungi and mycotoxins in the samples of grain and grain dust collected from five various cereal crops in Eastern Poland
    Autorzy:
    Krysinska-Traczyk, E
    Perkowski, J.
    Dutkiewicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/50801.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    nivalenol
    mycotoxin
    rye
    Polska
    grain
    corn
    dust
    fungi
    ochratoxin A
    Fusarium
    occupational exposure
    deoxynivalenol
    barley
    cereal
    farmer
    oat
    grain dust
    Opis:
    During combine harvesting of 5 various cereal crops (rye, barley, oats, buckwheat, corn) 24 samples of grain and 24 samples of settled grain dust were collected on farms located in the Lublin province of eastern Poland. The samples were examined for the concentration of total microfungi, Fusarium species, deoxynivalenol (DON), nivalenol (NIV), and ochratoxin A (OTA). Microfungi able to grow on malt agar were present in 79.2% of grain samples and in 91.7% of grain dust samples in the concentrations of 1.0-801.3 × 103 cfu/g and 1.5-12440.0 × 103 cfu/g, respectively. The concentration of microfungi in grain dust samples was signifi cantly greater than in grain samples (p<0.01). Fusarium strains were isolated from 54.2% of grain samples and from 58.3% of grain dust samples in the concentrations of 0.1-375.0 × 103 cfu/g and 4.0-7,700.0 × 103 cfu/g, respectively. They were found in all samples of grain and grain dust from rye, barley and corn, but only in 0-16.7% of samples of grain and grain dust from oats and buckwheat. DON was found in 79.2% of grain samples and in 100% of grain dust samples in the concentrations of 0.001-0.18 μg/g and 0.006-0.283 μg/g, respectively. NIV was detected in 62.5% of grain samples and in 94.4% of grain dust samples in the concentrations of 0.004-0.502 μg/g and 0.005-0.339 μg/g, respectively. OTA was detected in 58.3% of grain samples and in 91.7% of grain dust samples in the concentrations of 0.00039- 0.00195 μg/g and 0.00036-0.00285 μg/g, respectively. The concentrations of DON, total fusariotoxins (DON + NIV) and OTA were signifi cantly greater in grain dust samples than in grain samples (p<0.05, p<0.05, and p<0.001, respectively). The concentration of Fusarium poae in the samples of rye grain and dust was signifi cantly correlated with the concentrations of DON (p<0.05), NIV (p<0.01), and total fusariotoxins (p<0.05). Similarly, the concentration of Fusarium culmorum in the samples of barley grain and dust was signifi cantly correlated with the concentration of total fusariotoxins (p<0.05). A signifi cant correlation was also found between the concentration of total fungi grown on malt agar and the concentration of OTA (p<0.05). In conclusion, although the concentration of DON, NIV and OTA in the samples of grain dust collected from 5 various cereals on farms in eastern Poland was not large, the persistent presence of these mycotoxins in over 90% of examined samples poses a potential health risk of chronic respiratory intoxication for exposed grain farmers.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2007, 14, 1
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study on tick-borne rickettsiae in eastern Poland. II. Serological response of occupationally exposed populations
    Autorzy:
    Zajac, V.
    Wojcik-Fatla, A.
    Cisak, E.
    Sroka, J.
    Sawczyn, A.
    Dutkiewicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/51448.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    tick
    Rickettsia
    Polska
    serological response
    occupational exposure
    population
    serology
    ELISA test
    forestry worker
    agricultural worker
    Opis:
    A group of 150 persons living in the Lublin province of eastern Poland and occupationally exposed to tick bite were examined by the immunoenzymatic ELISA test for the presence of antibodies against tick-borne Spotted Fever Group (SFG) rickettsiae. The group consisted of 75 forestry workers employed in 3 forest inspectorates and 75 agricultural workers living in 2 villages. As a control group, 43 urban dwellers living in the city of Lublin and not occupationally exposed to tick bite were examined. Among 150 persons occupationally exposed to tick bite, the presence of antibodies against SFG rickettsiae was found in 54 (36.0% of the total). In the control group, the frequency of positive findings was only 4.7%, being significantly smaller compared to the exposed group (p=0.0001). Within the exposed group, the percentage of positive results in forestry workers (50.7%) was greater than in agricultural workers (21.3%); the difference was statistically significant (p=0.0002). Also within this group, the frequency of positive findings in males(46.5%) was significantly greater than in females (21.9%) (p=0.0029). In the exposed group, the positive results tended to increase with the age of the examined persons. However, a significant relationship between age and positive findings was found only in forestry workers (c2=14.207, p=0.00264), but not in agricultural workers and total exposed workers. The frequencies of positive results in forestry workers varied significantly depending on place of work (c2=11.271, p=0.00357). Similarly, the difference between the positive reactions in agricultural workers living in 2 villages proved to be significant (34.2% vs. 8.1%; p=0.0074). The obtained results indicate that people occupationally exposed to tick bite and living in the area of eastern Poland where over half of Dermacentor reticulatus ticks harbour SFG rickettsiae, are under significantly increased risk of infection with these rickettsiae.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2013, 20, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Health effects of exposure to organic dust in workers of a modern hatchery
    Autorzy:
    Skorska, C
    Mackiewicz, B.
    Golec, M.
    Cholewa, G.
    Chmielowiec-Korzeniowska, A.
    Dutkiewicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/49248.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    occupational exposure
    poultry farm
    egg laying house
    work-related symptom
    organic dust
    allergy
    dust
    hatchery worker
    Opis:
    The aim of the presented study was to determine the health status of workers occupationally exposed to moderate amounts of organic dust, employed in a modern hatchery with an effi cient ventilation system. A group of 32 hatchery workers was examined. As a reference group, 50 urban dwellers not exposed to any kind of organic dust were examined. All people were interviewed for the presence of work-related symptoms and subjected to physical and spirometric examinations. Blood sera were examined for the presence of precipitins against 13 antigens associated with organic dust, and for the presence of total and chicken-specifi c No signifi cant differences were found between the spirometric values in the group of hatchery workers and the reference group. Positive precipitin reactions were noted mostly with the antigens of Gram-negative bacteria associated with organic dust. The frequencies of positive reactions to antigens of Escherichia coli and Acinetobacter baumannii in hatchery workers were signifi cantly greater compared to the reference group (p<0.05). Precipitin reactions to Gram-positive non-branching bacteria, actinomycetes, fungi and bird protein, were rare or absent. The mean concentration of total IgE in sera of hatchery workers was nearly 3 times greater compared to the reference group, and the difference proved to be statistically signifi cant (p<0.05). No specifi c IgE antibodies against chicken feathers were detected in the blood of hatchery workers and referents. In conclusion, the examined hatchery workers showed a moderate frequency of work-related symptoms, no decline in lung function and low reactivity to most microbial and bird protein allergens. These results suggest that the effects of exposure to organic dust in workers of modern hatcheries with an effi cient ventilation system are less compared to the workers of poultry farms, such as broiler or egg laying houses.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2007, 14, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Occupational exposure to organic dust, microorganisms, endotoxin and peptidoglycan among plants processing workers in Poland
    Autorzy:
    Gora, A
    Mackiewicz, B.
    Krawczyk, P.
    Golec, M.
    Skorska, C.
    Sitkowska, J.
    Cholewa, G.
    Larsson, L.
    Jarosz, M.
    Wojcik-Fatla, A.
    Dutkiewicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/50063.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    occupational exposure
    organic dust
    dust
    microorganism
    endotoxin
    plant processing
    worker
    Polska
    peptidoglycan
    bioaerosol
    agricultural industry
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2009, 16, 1; 143-150
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Respiratory disorders in two workers of customs depositories occupationally exposed to mouldy tobacco
    Autorzy:
    Mackiewicz, B
    Skorska, C.
    Krysinska-Traczyk, E.
    Larsson, L.
    Szponar, B.
    Milanowski, J.
    Czekajska-Chebab, E.
    Sitkowska, J.
    Cholewa, G.
    Szymanska, J.
    Dutkiewicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/51916.pdf
    Data publikacji:
    2008
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    custom depository worker
    bacteria
    worker
    tobacco
    tobacco smoke
    respiratory symptom
    cigarette
    nicotine
    bioaerosol
    fungi
    occupational exposure
    tobacco leaf
    production process
    chemical substance
    organic dust toxic syndrome
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2008, 15, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Acute hypersensitivity pneumonitis in woodworkers caused by inhalation of birch dust contaminated with Pantoea agglomerans and Microbacterium barkeri
    Autorzy:
    Mackiewicz, B.
    Dutkiewicz, J.
    Siwiec, J.
    Kucharczyk, T.
    Siek, E.
    Wójcik-Fatla, A.
    Cholewa, G.
    Cholewa, A.
    Paściak, M.
    Pawlik, K.
    Szponar, B.
    Milanowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2085105.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    hypersensitivity pneumonitis
    wood dust
    bacteria
    Pantoea agglomerans
    Microbacterium barkeri
    inhalation challenge
    occupational exposure
    Opis:
    Case description. Five workers (2 males and 3 females) employed in a furniture factory located in eastern Poland developed hypersensitivity pneumonitis (HP) after the pine wood used for furniture production was replaced by birch wood. All of them reported onset of respiratory and general symptoms (cough, shortness of breath, general malaise) after inhalation exposure to birch dust, showed crackles at auscultation, ground-glass attenuations in HRCT examination, and lymphocytosis in the BAL examination. The diagnosis of acute HP was set in 4 persons and the diagnosis of subacute HP in one. Identification of specific allergen. Samples of birch wood associated with evoking disease symptoms were subjected to microbiological analysis with the conventional and molecular methods. Two bacterial isolates were found to occur in large quantities (of the order 108 CFU/g) in examined samples: Gram-negative bacterium of the species Pantoea agglomerans and a non-filamentous Gram-positive actinobacterium of the species Microbacterium barkeri. In the test for inhibition of leukocyte migration, 4 out of 5 examined patients showed a positive reaction in the presence of P. agglomerans and 2 in the presence of M. barkeri. Only one person showed the presence of precipitins to P. agglomerans and none to M. barkeri. In the inhalation challenge, which is the most relevant allergological test in the HP diagnostics, all patients reacted positively to P. agglomerans and only one to M. barkeri. The results indicate that P. agglomerans developing in birch wood was the main agent causing HP in the workers exposed to the inhalation of dust from this wood, while the etiologic role of M. barkeri is probably secondary. Conclusion. The results demonstrate that apart from fungi and filamentous actinobacteria, regarded until recently as causative agents of HP in woodworkers, Gram-negative bacteria and non-filamentous actinobacteria may also elicit disease symptoms in the workers processing wood infected with large amounts of these microorganisms. The results obtained also seem to indicate that cellular-mediated reactions are more significant for causing disease symptoms compared to those that are precipitin-mediated.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2019, 26, 4; 644-655
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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