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Query: UMLS:C0851341 (infestation)
 10,121 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The authors report the clinical, laboratorial and epidemiological aspects of a human case of jungle yellow fever. The patient suffered from fever, chills, sweating, headaches, backaches, myalgia, epigastric pains, nausea, vomiting, diarrhea and prostration. He was unvaccinated and had been working in areas where cases of jungle yellow fever had been confirmed. Investigations concerning the yellow fever virus were performed. Blood samples were collected on several days in the course of the illness. Three of these samples (those obtained on days 5, 7 and 10) were inoculated into suckling mice in attempt to isolate virus and to titrate the viremia level. Serological surveys were carried out by using the IgM Antibodies Capture Enzyme Linked Immunosorbent Assay (MAC-ELISA), Complement Fixation (CF), Hemagglutination Inhibition (HI) and Neutralization (N) tests. The yellow fever virus, recovered from the two first samples and the virus titration, showed high level of viremia. After that, specific antibodies appeared in all samples. The interval between the end of the viremia and the appearance of the antibodies was associated with the worsening of clinical symptoms, including bleeding of the mucous membrane. One must be aware of the risk of having a urban epidemics in areas where Aedes aegypti is found in high infestation indexes.
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PMID:Jungle yellow fever: clinical and laboratorial studies emphasizing viremia on a human case. 859 63

The occurrence of chronic diarrhea in infants younger than three months suggests disaccharidase deficiency, cow's milk or soy protein intolerance, cystic fibrosis or an immunodeficiency state, while chronic diarrhea in children three to 18 years of age suggests celiac disease, late-onset primary lactose deficiency and inflammatory bowel disease. Gastrointestinal infection is the most common cause of chronic diarrhea in children of all ages. Diarrhea that develops after the introduction of cow's milk, cereals and fruits suggests an enzyme deficiency or protein intolerance. Watery, explosive stools suggest sugar intolerance, and foul-smelling, greasy, bulky stools suggest fat malabsorption. Marked weight loss suggests malabsorption, inflammatory bowel disease, hyperthyroidism or malignancy. The presence of neutrophils or red blood cells in the stool indicates bacterial gastroenteritis or inflammatory bowel disease, while the presence of eosinophils suggests protein intolerance or parasitic infestation. A toddler who is thriving and cheerful despite having diarrhea may have chronic nonspecific diarrhea of childhood.
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PMID:Evaluating the child with chronic diarrhea. 862 43

Giardia has been frequently implicated as a causative agent for acute as well as chronic diarrheal diseases in children. The present study was aimed at exploring the determinants of manifestations of Giardiasis in childhood, in relation to various host and parasite related factors. A total of 200 children with acute (100), chronic (50) or without (50) diarrhea in last 15 days were recruited for the study and evaluated with regards to nutritional status, serum immunoglobulins, secretory IgA levels, presence of Giardia in stool/duodenal aspirate/duodenal biopsy specimen and for associated infections. Lysates from acute giardiasis cases were further studied for zymodeme (banding) pattern. After correlation of all investigations, humoral immune defect in the host was found to be the major determinant of whether the Giardial infestation would be symptomatic or not, while associated bacterial infections and zymodeme patterns were not found to be important in determining the pathogenicity or presentation of giardiasis.
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PMID:Determinants of symptomatic giardiasis in childhood. 878 80

Trichinellosis is caused by ingestion of insufficiently cooked meat contaminated with infective larvae of Trichinella species. The clinical course is highly variable, ranging from no apparent infection to severe and even fatal disease. We report two illustrative cases of trichinellosis. Returning to Denmark a few days after having eaten roasted pork in the Republic of Serbia, a female patient suffered from severe vomiting, epigastric pain, diarrhoea, and later myalgia, arthralgia, generalized oedema, and prostration. A biopsy showed heavy infestation with Trichinella spiralis, 2000 larvae/g of muscle. Life-threatening cardiopulmonary, renal and central nervous system complications developed. The patient recovered after several months. Her husband, who also ate the pork, did not have clinical symptoms, but an increased eosinophil count and a single larva in a muscle biopsy confirmed infection. The epidemiology, clinical manifestations, diagnosis, treatment and prevention of trichinellosis are reviewed.
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PMID:Trichinella infection and clinical disease. 893 84

Coccidia oocysts were demonstrated in the faeces of 53 (about 34%) of 156 apparently healthy ostrich chicks. Young chicks had the highest proportion of infestation while those more than 9 weeks old had no oocysts at all in their faeces. These coccidia may be considered no pathogenic since the infected chicks grew normally without any evidence of diarrhoea.
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PMID:Coccidia oocysts in the faeces of farmed ostrich (Struthio camelus) chicks in Botswana. 1019 40

Giardiasis is the intestinal infection resulting from infestation with the human parasite Giardia intestinalis, also called Giardia lamblia. The infection may be asymptomatic or present with a variety of symptoms such as diarrhoea, weight loss, abdominal cramps, and failure to thrive. Giardiasis is most often diagnosed after recent travel or in day care centres. The organism has two stages in its life cycle. It is usually ingested as a cyst with as few as 10-25 cysts being sufficient to cause infection. After excystation, the organism is a replicative trophozoite which may attach to the small bowel wall. Giardia intestinalis does not invade the bowel wall. Trophozoites may encyst and be shed in faeces for future ingestion by another host. Diagnosis of infection is by stool examination which may also eliminate other possible infectious agents. Small bowel biopsy may be necessary in difficult individual cases or to rule out non-infectious illnesses, and stool ELISA may serve for large population screening examinations. The mainstay of treatment is metronidazole 250-400 mg three times per day by mouth for 5 days.
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PMID:Review article: the management of Giardiasis. 1038 16

Management of lymphocytic-plasmacytic enteritis in a dog with whipworm infestation, hypoproteinemia, and ascites is described. Short-term parenteral nutrition hastened normalization of serum proteins, resolution of diarrhea, and weight gain. A description of the potential benefits, limitations, and possible complications of parenteral nutrition in refractory inflammatory bowel disease is given.
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PMID:Parenteral nutrition in the management of a dog with lymphocytic-plasmacytic enteritis and severe protein-losing enteropathy. 1057 69

Till date only three series of immunoproliferative small intestinal disease (IPSID) describing 22 patients have been reported from India. Seven patients with IPSID in two tertiary referral centers in India are included in the study. Diagnosis was based on typical clinical features [diarrhoea (7/7), weight loss (7/7), clubbing (6/7), fever (3/7), abdominal pain and lump (3/7)], biochemical evidence of malabsorption and duodenal biopsy findings. All patients were young males (mean age 29.8 +/- 11.8 years, range 17-53). Atypical features included gastric involvement (1/7), colonic involvement (1/7) and appearance of pigmented nails following anti-cancer chemotherapy (1/7) which disappeared six months after omitting doxorubin from chemotherapy regimen. Parasitic infestation was common. Ascaris lumbricoides (1/7), Giardia lamblia and hookworm (1/7), Strongyloides stercoralis and Trichuris trichura (1/7). In the latter patient S. stercoralis became disseminated after anti-malignant chemotherapy. One patient had gastric H. pylori infection. Four of the seven patients who were misdiagnosed as tropical sprue were treated with tetracycline. This raises doubt on efficacy of tetracycline alone in treatment of IPSID. One other patient was misdiagnosed and treated as intestinal tuberculosis. Early diagnosis and administration of chemotherapy may improve survival in this disease.
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PMID:Is immunoproliferative small intestinal disease uncommon in India? 1139 37

Severe or complicated malaria is defined by infestation by Plasmodium falciparum into all red blood cells, especially those in the brain, causing coma and repeated convulsions; severe anemia (6 g/dl hemoglobin, 20% hematocrit); renal insufficiency (265 mcmol/l creatinine, 400 ml/day diuresis); pulmonary edema; hypoglycemia (2.2 ml/l or 0.4 g/l); shock; diffuse hemorrhaging; massive hemoglobinuria; and blood acidosis. Other possible symptoms of severe malaria are clouded thinking, changes in behavior, and inability to focus. It is most common in people with no immunity to malaria (children aged 4 and travelers in endemic zones). Pregnancy, splenectomy, corticotherapy, or poorly maintained immunity status favor severe anemia in adults. Sources of chloroquine-resistant P. falciparum have existed since 1960. Resistance has since expanded from Southeast Asia and South America to Africa, posing treatment problems. Malaria usually begins with fever (40 or more degrees Celsius), headaches, muscular pain, digestive troubles (e.g., diarrhea, nausea, or vomiting), and abdominal pain. In suspected cases of malaria, a blood sample or a thick blood smear as well as treatment (even in the absence of parasitological proof) needs to be done as soon as possible. Intravenous quinine diluted in a 5-10% glucose solution should be delivered at a rate of 24 mg/kg/day. In the case of severe jaundice, the dose should be cut in half beginning 8 hours after treatment began. If intravenous delivery is impossible, intramuscular delivery should be done. Corticosteroids, anticoagulants, and aspirin are contraindicated. In 2-4 days, oral administration (chloroquine, halofantrine, or mefloquine) is warranted. 20% of malaria-related deaths among patients who receive treatment are due to complications of the central nervous system. Protection against mosquito bites prevents malaria. Chemoprophylaxis in endemic zones should be limited to short trips to malaria zones or to pregnant women.
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PMID:[Severe malaria]. 1229 Jan 83

Nepal is a mountainous Himalayan country. All the signs of underdevelopment--poverty, illiteracy, sickness, malnutrition, high birth rate, high infant mortality--are evident. Life in Panchkhal is not easy. Women work hard, fetching water from streams or ponds. There are no safe sources of water. Water-borne diseases are common because of fecal contamination of water. Unhygienic habits and unsanitary disposal of human excreta have resulted in a high incidence of parasitic infestation in the community. In 1983, community-based health care units were set up. Community members pooled funds for a community-based primary health care unit where drugs for diarrhea, scabies, dysentry, cough, fever, and eye infection would be made available at low cost. The Integrated Family Planning and Parasite Control Project has set up a sales depot to make drugs available at nominal prices. 2 health units were established in Panchkhal in 1983. There was a strong determination on the part of the community to improve the health status of the people, especially that of the uner-5s. The local village health workers were trained and assigned to work in the project area. Village health workers found the health unit a useful base. The importance of disease prevention was realized by the villagers. At present there are 9 health units. Each is run by 2 village health workers who receive salaries from either the integrated project of the government FP/MCH program. Social workers also provide services. A woman volunteer trained in basic MCH and family planning motivation assists the unit twice a week. The responsibility of the health committee is to ensure the smooth operation of the unit and to see that health care is provided to the villagers. Toilets have now been constructed in many homes. Children are healthier. Family planning is more acceptable to the community. The marketing of lacal produce is a problem, as well as funding of the health project.
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PMID:Making life easier in the rugged countryside through the Panchkhal Panchayat Health Movement. 1231 82


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