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PubMed1976

Amebic peritonitis.

A total of 18 patients with amebic peritonitis were studied. Fourteen of these cases were due to rupture of amebic liver abscess into the peritoneum and the remaining cases were due to perforation of amebic colitis. No initial suspicion of amebic etiology was made in more than half of the cases. In the group of ruptured liver abscesses, nearly half of the patients showed right lower lung syndrome. The diagnosis in 13 of 14 cases of rupture of liver abscess was confirmed on aspiration. Patients with ruptured amebic liver abcess were of two types: 1. Diffuse type with diffuse signs, shorter duration of illness and poor prognosis. 2. Localized type with longer duration of illness, marked signs of peritonitis and better prognosis. Once the diagnosis of peritonitis was made, the management was surgical. Conservative treatment was tried only in cases with signs of localization. The mortality rate had been 33% in amebic liver abscess rupturing into the peritoneum and 75% in perforation of the intestine. A high index of suspicion of amebiasis in patients with an acute abdomen and institution of early treatment are recommended to help in reducing this mortality. Amebic liver abscess and amebic dysentery should be treated energetically to avoid this fatal complication and surgical intervention whenever indicated should not be delayed.

Adult↗
PubMed1981

Tropical infections contracted in Papua New Guinea and imported into Western Australia.

Diseases contracted in Papua New Guinea (PNG) and observed in Western Australia (WA) have comprised malaria, amoebiasis, ancylostomiasis, filariasis and leprosy. This small series of cases demonstrates the prolongation of incubation periods of malaria following chemoprophylaxis, the spread of chloroquine-resistant strains of Plasmodium falciparum (both to Western and Eastern regions of PNG), the ineffectiveness of chloroquine against Entamoeba histolytica in the intestine and the value of oral penicillin as a prophylactic for filarial lymphangitis.

Aged↗
PubMed1989

[Prevalence of Entamoeba histolytica and other intestinal protozoa among the inhabitants of Poznan province over a period of 30 years].

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.

Amebiasis↗