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At least 163 records · Page 9Linked to original sources
PubMed2005

Impact of water supply, domiciliary water reservoirs and sewage on faeco-orally transmitted parasitic diseases in children residing in poor areas in Juiz de Fora, Brazil.

The objectives of this study were to characterize faeco-orally transmitted parasitic diseases and to identify the factors associated with these diseases, with emphasis on environmental factors, in children ranging from 1 up to 5 years old residing in substandard settlement areas. A population-based cross-sectional epidemiological design was used in a non-random selection of 29 out of the 78 substandard settlement areas in the municipality of Juiz de Fora, Brazil. A sample of 753 children were assessed from the target population consisting of all children of the appropriate age range residing in the selected areas. Data were collected by means of domiciliary interviews with their mothers or with the person responsible for them. The Hoffmann-Pons-Janer method was used in the parasitological examination of faeces. Binary logistic regression models were used to identify the factors associated with the diseases. A total of 319 sample children presented faeco-orally transmitted parasitic diseases. The factors associated with these parasitic diseases included the children's age, family income, number of dwellers in the domicile, consumption of water from shallow wells, consumption of water from natural sources, absence of covered domiciliary water reservoirs, and the presence of sewage flowing in the street.

Brazil↗
PubMedDate not supplied

A guide to common parasitic diseases.

The Primary Health Care Guide to UK Parasitic Diseases is aimed at health professionals working in primary care and offers an easy reference and practical advice on prevention, recognition and management of parasitic disease. Here, some of the key points are summarised.

Humans↗
PubMed1987

Surgical aspects of parasitic disease in childhood.

This is a review article concerning the surgical aspects of parasitic disease in childhood. The surgeon encounters parasitic disease for a variety of reasons. Many forms of infestation produce or mimic anatomic diseases of the gastrointestinal tract. Others are characterized by soft tissue or visceral mass lesions, lymphadenopathy, portal hypertension, etc. The surgical aspects of parasitism extend to all subspecialties, including ophthalmology, gynecology, and plastic surgery.

Ascariasis↗
PubMed2005

Therapy for common parasitic diseases in pregnancy in the United States: a review and a survey of obstetrician/gynecologists' level of knowledge about these diseases.

UNLABELLED: A number of food- and waterborne parasitic diseases that are common in the United States can adversely impact women during pregnancy. Therapeutic considerations during pregnancy for these diseases are reviewed. Also, the level of knowledge of obstetrician-gynecologists about diagnosis and treatment of these diseases (toxoplasmosis, cryptosporidiosis, giardiasis, amebiasis, cyclosporiasis, trichinellosis, ascariasis, and taeniasis) was estimated by means of a questionnaire developed by the Centers for Disease Control and Prevention (CDC) and the American College of Obstetricians and Gynecologists (ACOG). Of the 1200 obstetrician-gynecologists surveyed, 521 (43%) responded. In general, respondents gave correct answers to questions about toxoplasmosis, but for other illnesses responses, it varied. For example, most (61.4%) respondents gave incorrect answers about treatment of cryptosporidiosis in pregnancy, and many (41.2%) respondents incorrectly identified metronidazole as the safest treatment for giardiasis in the first trimester of pregnancy. Although knowledge among obstetrician-gynecologists about toxoplasmosis is good, there is a wide variation in knowledge about other common food- and waterborne parasitic diseases that are likely to be encountered in the United States. Therapeutic considerations for these diseases during pregnancy are discussed. TARGET AUDIENCE: Obstetricians & Gynecologists, Family Physicians. LEARNING OBJECTIVES: After completion of this article, the reader should be able to list the various common protozoal diseases, to outline the clinical manifestations as well as route of spread for each of the protozoal diseases, and to outline potential therapies for each of the protozoal diseases.

Amebiasis↗
PubMed1999

Improving the assessment of the economic impact of parasitic diseases and of their control in production animals.

This paper reviews the ways in which the economic impact of parasitic diseases of production animals have been evaluated. It then discusses the shortfalls of such studies, as well as the opportunities for improving the quality of economic impact assessments and their value to decision makers in the future. The paper first identifies the impacts that are specific to parasitic diseases. It then goes on to review the abundant literature on estimating the total costs of diseases. The authors argue that this approach severely limits the opportunity for economic assessments to aid decisions in disease control and research. The paper then reviews the literature on studies of avoidable costs, before discussing ways in which economic impact assessments can be enhanced. These issues include greater emphasis on incorporating the lost productivity potential caused by parasitic diseases, greater emphasis on valuing actual rather than intended control measures, and greater emphasis on quantifying the productivity effects at the societal level, particularly in the developing world.

Animals↗
PubMed2000

Effects of environmental change on emerging parasitic diseases.

Ecological disturbances exert an influence on the emergence and proliferation of malaria and zoonotic parasitic diseases, including, Leishmaniasis, cryptosporidiosis, giardiasis, trypanosomiasis, schistosomiasis, filariasis, onchocerciasis, and loiasis. Each environmental change, whether occurring as a natural phenomenon or through human intervention, changes the ecological balance and context within which disease hosts or vectors and parasites breed, develop, and transmit disease. Each species occupies a particular ecological niche and vector species sub-populations are distinct behaviourally and genetically as they adapt to man-made environments. Most zoonotic parasites display three distinct life cycles: sylvatic, zoonotic, and anthroponotic. In adapting to changed environmental conditions, including reduced non-human population and increased human population, some vectors display conversion from a primarily zoophyllic to primarily anthrophyllic orientation. Deforestation and ensuing changes in landuse, human settlement, commercial development, road construction, water control systems (dams, canals, irrigation systems, reservoirs), and climate, singly, and in combination have been accompanied by global increases in morbidity and mortality from emergent parasitic disease. The replacement of forests with crop farming, ranching, and raising small animals can create supportive habitats for parasites and their host vectors. When the land use of deforested areas changes, the pattern of human settlement is altered and habitat fragmentation may provide opportunities for exchange and transmission of parasites to the heretofore uninfected humans. Construction of water control projects can lead to shifts in such vector populations as snails and mosquitoes and their parasites. Construction of roads in previously inaccessible forested areas can lead to erosion, and stagnant ponds by blocking the flow of streams when the water rises during the rainy season. The combined effects of environmentally detrimental changes in local land use and alterations in global climate disrupt the natural ecosystem and can increase the risk of transmission of parasitic diseases to the human population.

Animals↗
PubMed1999

Unusual cutaneous infectious and parasitic diseases.

The cutaneous manifestations of thirteen unusual infections and parasitic diseases are described. Their geographic distribution, morphologic features of the causative organism, histopathologic changes, criteria for diagnosis, and treatment are included.

Dermatomycoses↗
PubMed1990

[Acute surgical abdomen in infectious and parasitic diseases].

A review of the literature is made on the complicated course of infectious and parasitic diseases, in which acute surgical abdomen syndrome develops. Surgical treatment of complicated infectious and parasitic diseases is a complex endeavour both from surgical and epidemiologic aspect. The high mortality rate after operations in complicated forms is associated with tactical errors in the surgical treatment and erroneously estimated extent of the surgical intervention.

Abdomen, Acute↗
PubMed2005

A review of the genetic epidemiology of resistance to parasitic disease and atopic asthma: common variants for common phenotypes?

PURPOSE OF REVIEW: An inverse relationship between resistance to certain parasitic diseases and measures of atopy and asthma has long been observed. A possible explanation is that genetic determinants which confer protection against detrimental worm burdens are the same determinants involved in atopic asthma. The focus of this review is to consider the potential candidate genes that have been elucidated as part of molecular, genomic and genetic studies of parasite biology, host-parasite interactions and classic genetic epidemiology studies on parasitic disease and allergic asthma. RECENT FINDINGS: Comparative studies of the Plasmodium and Schistosoma spp. genomes have revealed a number of proteins that are homologous to humans. A number of linkage and association studies on susceptibility/resistance to parasitic diseases, including malaria and schistosomiasis, overlap with associations that have been identified for susceptibility to atopy and asthma. SUMMARY: In response to parasitic approaches in maintaining survival, the human host has evolved genetic adaptations that minimize severe manifestations of disease, which conversely appear to contribute to allergic disease. A clearer understanding of this process will elucidate the complex pathways and mechanisms involved in these traits.

Amino Acid Sequence↗
PubMed1995

[Characteristics and recent trends in endemicity of human parasitic diseases in China].

An analysis of the nationwide survey of the distribution of human parasites in the light of the literature previously published, two major trends in the endemicity of parasitic diseases in China was observed. For one trend, the infection rate of E. histolytica, Fasciolopsis buski and soil-transmitted helminthasis etc. declined markedly. The second trend was that the prevalence of food-transmitted parasitic diseases (Trichinella spiralis, Clonorchis sinensis, Paragonimiasis, cysticercosis) and hydatidosis was increasing. The relationship between the social economic factors and the two trends were discussed.

Animals↗
PubMed1996

Occupational tropical infectious and parasitic diseases in the Czech Republic.

The authors present a review on occupational tropical infectious and parasitic diseases notified in the Czech Republic in 1986 to 1995. They provide information on health care provided in the Czech Republic to working people travelling to areas demanding from the climatic and epidemiological aspect.

Czech Republic↗
PubMed1991

Incidence of intestinal parasitic disease in an acquired immunodeficiency syndrome day-care center.

In June, 1986, the Bronx Municipal Hospital Center opened an acquired immunodeficiency syndrome day-care center to provide a quality educational experience for children infected with the human immunodeficiency virus. A major concern was the possibility of increasing secondary infections among these immunocompromised children by placing them in a group environment. One particular worry was intestinal parasitic disease, a serious public health problem in day-care centers throughout the United States. To minimize the risk of parasitic infections, scrupulous hygienic and monitoring procedures were instituted at the acquired immunodeficiency syndrome day-care center. This study reports the incidence of intestinal parasitic disease at the acquired immunodeficiency syndrome day-care center during its first 40 months of operation, encompassing 669 child-months of enrollment, with 131 stool specimens examined for ova and parasites. There were 2 cases of parasitic infection: Entamoeba histolytica in an asymptomatic 6-year-old and Giardia intestinalis in a 7-year-old with diarrhea. In neither case was there any secondary spread. None of the 15 children in diapers had a positive specimen, and we found no Cryptosporidium. Our experience suggests that with appropriate precautions human immunodeficiency virus-infected children can participate in a group day-care program without excessive risk for parasitic disease. Strict adherence to hygienic procedures may also decrease the risk of intestinal parasitic disease among healthy children attending day-care centers.

Acquired Immunodeficiency Syndrome↗