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Results for “Balantidiasis”

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[Balantidiasis in a rural community from Bolivar State, Venezuela].

Balantidium coli is the etiologic agent of balantidiasis, an infrequent zoonose of worldwide distribution. The objective of the present study was to determine the clinical and epidemiological aspects of balantidiasis in a rural community in the Bolivar State in Venezuela. Fifty persons and 12 pigs were evaluated. Fecal samples were analyzed by direct examination and by the methods of Faust and Willis. The global rate of intestinal parasitoses detected was 88.0% for the human population and 83.3% for the pigs. The prevalence of human and porcine balantidiais was 12.0% (6/50) and 33.3% (4/12), respectively. The disease was only detected in children, all of them with multiple parasites and with clinical manifestations. Deficient environmental sanitation, absence of basic services in the dwellings, low socioeconomic level, and the presence of pigs infected with B. coli are the factors that explain and maintain the conditions favorable to the transmission of balantidiasis in the population studied.

Adult

Invasive balantidiasis presented as chronic colitis and lung involvement.

A unique case of chronic balantidiasis is described, presenting with chronic colitis and inflammatory polyposis of the rectum and sigmoid colon and an intrapulmonary mass. Histology of the colonic polyps showed Balantidium coli, and both Aspergillus and Balantidium coli were found in the aspirate of the pulmonary mass. The patient was treated with doxycycline HCl 100 mg/day for 10 days with complete clinical recovery and marked improvement of the endoscopic appearance of the colonic mucosa.

Aged

Clinical trials with metronidazole in human balantidiasis.

Therapeutic activity of metronidazole against Balantidium coli was evaluated by using two drug regimens in 20 human cases of balantidiasis. All patients also harbored Trichuris trichiura. Children received a total amount of drug that varied from 2.5 g during 5 days to 7.5 g in a period of 10 days. Adults were given 5 g in 5 days or 12.5 g during a period of 10 days. In all patients B. coli disappeared after the 4th day of treatment. Frequent posttreatment stool examination remained negative. All patients tolerated the drug well and there were no side effects.

Adolescent

[A fatal case of intestinal balantidiasis].

A fatal case of a 63-year-old pig-raising country woman with an eight-day course of nausea, vomiting, dysentery with intestinal bleeding the latter being the direct cause of death. The autopsy showed ulcerative colitis due to B. coli, which was easily observed on histological examination of the large bowel.

Agricultural Workers' Diseases

Balantidiasis in Aymara children from the northern Bolivian Altiplano.

Balantidium coli infection was coprologically studied in 2,124 Aymara children 5-19 years of age from the schools of 22 communities of the northern Bolivian Altiplano over a five-year period. Infection with B. coli was found in 11 of the communities surveyed, with prevalences of 1.0-5.3% (overall prevalence=1.2%). The prevalences observed are some of the highest reported and did not differ significantly among the various age groups or between boys and girls. These prevalences, the apparent absence of symptoms or signs of illness due to this parasite in the schoolchildren surveyed at the time of stool sampling, and the consistency of stool samples of the infected students suggest that they are apparently asymptomatic carriers. Infection with B. coli must be considered as an endemic anthropozoonosis in the area studied. A relationship between B. coli infection and Altiplanic pigs is suggested.

Adolescent

[Balantidiasis].

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Animals

Human balantidiasis. A case report.

A 58-year-old woman, who presented to hospital with melaena and faecal peritonitis due to a perforated terminal ileum, was found to be infected with Balantidium coli. This protozoan parasite is commonly found in pigs, but can infect man, and may mimic amoebic infection. The diagnosis may be missed unless fresh stools are examined immediately. The patient died from septicaemia.

Balantidiasis