Preferencje help
Widoczny [Schowaj] Abstrakt
Liczba wyników

Znaleziono wyników: 6

Liczba wyników na stronie
Pierwsza strona wyników Pięć stron wyników wstecz Poprzednia strona wyników Strona / 1 Następna strona wyników Pięć stron wyników wprzód Ostatnia strona wyników

Wyniki wyszukiwania

help Sortuj według:

help Ogranicz wyniki do:
Pierwsza strona wyników Pięć stron wyników wstecz Poprzednia strona wyników Strona / 1 Następna strona wyników Pięć stron wyników wprzód Ostatnia strona wyników
3
63%
306 feces samples from 225 persons were examined; 1833 analyses were made by 7 methods (smears in NaCl, JKJ, stained with haematoxylin according to Heidenhain, cultures on Dobell and Pavlova medium, methods of Rivas. Faust, decantation). Contrast-phase, fluorescence and heating procedures were applied additionally. The results obtained warrant the following conclusions: fresh, utmost one-hour feces is the prerequisition of a correct examination: the examination of two subsequent stools makes it possible to detect about 90% cases; the most satisfactory results are obtained by means of haematoxylin stained (according to Heidenhain) smears; contrast phase, fluorescence and heating device facilitate to a certain degree the detection of protozoa; cultures are of little importance for diagnostic purposes.
The examinations were made in 202 persons at the age of 1 to 18 years, of both sexes, using fresh feces smears in physiologic saline solution, stained with haematoxylin according to Heidenhain. The following protozoal invasions were found: Entamoeba coli - 49 cases (24%), Entamoeba histolytica - 7 (3%), Entamoeba hartmanni - 10 (5%), Endolimax nana - 36 (18%), Jodamoeba bütschli - 5 (2%), Dientamoeba fragilis - 33 (16%), Lamblia intestinalis – 42 (21%), Chilomastix mesnili - 7 (3%), and Enteromonas hominis - 6 cases (3%). It may be assumed that the percentages obtained are a faithful reflection of the intestinal protozoal invasion in children and youth of the whole country. Their high, hitherto unknown values are due to the correct method of examination.
The aim of the study was to present the past and actual prevalence of Entamoeba histolytica and other intestinal protozoa in Poznań Province. Although in Poland there are only few accurate data concerning the prevalence of intestinal protozoa, the results of some studies were found reliable. In a survey conducted in 1958 in an orphanage in Poznań (Kasprzak and Karlewiczowa) the intestinal protozoa were found with high prevalence (Table 1). After six years this prevalence decreased considerably (Karlewiczowa and Kasprzak, 1964). Because at the same time such a decrease in intestinal protozoa prevalence, especially that in Entamoeba coli, was observed in the whole population of the Poznań Province, long-term surveys were undertaken. The diagnosing of intestinal protozoa in faeces of 4165 persons, performed at more points in time in the period of 1963 to 1986 in the Poznań Province, were conducted by the same highly skilled staff. Decreasing rates of infection were seen for each amoeba species at nearly each point in time, particularly in the first eight years of observation (Table 2). By using the "amoebic index" and "amoebic prevalence rate" in assessing epidemiological factors (acc. WHO, 1969), the considerable reduction in both indices should be accounted for the improvement of the sanitation and socio-economic status in our country. After the Second World War some Polish authors expressed the fear that after returning to the country, the Polish soldiers who had fought in the endemic regions of invasive amoebiasis, infected with E. histolytica, would constitute sources for spreading amoebiasis and that the disease would be a nucleus of a new, hitherto unknown, social calamity in Poland. Fortunately, the fear did not come true. Although in this country the infection with amoebae, also with E. histolytica, decreased considerably after several years, unfortunately, some opinions still prevail, being the source of an amoebo-mania in the medical staff and corresponding amoebophobia in the patients.
Pierwsza strona wyników Pięć stron wyników wstecz Poprzednia strona wyników Strona / 1 Następna strona wyników Pięć stron wyników wprzód Ostatnia strona wyników
JavaScript jest wyłączony w Twojej przeglądarce internetowej. Włącz go, a następnie odśwież stronę, aby móc w pełni z niej korzystać.