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Query: UMLS:C0024530 (malaria)
 44,886 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The interrelationship of malaria and severe ascariasis was studied in Anjouan children with a previously described syndrome of enlarged parotids, localized forehead edema, heavy infestation with Ascaris lumbricoides, and unusual freedom from malaria. After treatment of 37 such children with the ascaricide piperazine, 35 had resolution of parotid enlargement and forehead edema, but 19 developed attacks of malaria. Children treated with placebo had neither resolution of clinical findings nor attacks of malaria. We propose that suppression of the malaria in these children is a nutritional consequence of severe ascariasis and may represent an ecological balance for optimum co-survival of the host and the two parasites.
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PMID:The biological suppression of malaria: an ecological and nutritional interrelationship of a host and two parasites. 35 72

Bilateral painless enlargement of the parotids, a curiously localized edema of the forehead and relative freedom from malaria were striking findings in children of Anjouan but not of Grande Comore, two neighboring islands of the Comorro group in the Indian Ocean. Compared with those of Grande Comore, Anjouan children were heavily infested with Ascaris lumbricoides. We suggest that the clinical findings may be the nutritional consequence of severe ascariasis and that the low incidence of malaria in Anjouan children may be an example of the delicate ecological balance between the host, the Ascaris, and the plasmoidum.
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PMID:Parotid enlargement, forehead edema, and suppression of malaria as nutritional consequences of ascariasis. 93 Aug 82

The registry of patients at the hospital of Kampene, Zaire, covering the period 1986-87 was examined to determine the hospital's rate of utilization and accessibility, to evaluate mortality, and to ascertain the prevalence of infectious diseases. The 1986 data of the hospital laboratory indicated a high incidence of infectious and parasitic diseases: ancylostomiasis (33.6%); ascariasis (22.9%); schistosomiasis (3.4%); multiple intestinal parasitic infections (10.9%); malaria (43%), often chloroquine-resistant; filariasis (70.8%); and alcohol-acid resistant tuberculosis bacilli (15%). Sexually-transmitted diseases such as vaginitis (80%) were caused by polygamy, prostitution, and promiscuity, HIV serodiagnosis could not be performed because of a lack of equipment. A high infant mortality rate was caused by neonatal tetanus, toxic gastroenteritis, measles (5.1% lethality: 2 died out of 39 cases), and epidemic cerebrospinal meningitis. Malnutrition caused kwashiorkor and avitaminosis. 792 births were registered at the maternity ward in 1986: 52.8% were male and 47.2% were female; 48 (6.1%) were stillborn or died in the following days; 104 (13.1%) were born prematurely; and 24 (3.1%) were twins. Cesarean section was performed in 43 cases (5.4%). There was a total of 15,099 outpatient visits during a 1-year period. The bed occupancy rate of the surgical ward ranged between .7 and .8 during 1987. Recovery and hospitalization days per doctor or health assistant were very high compared to Italian standards. The lethality of malaria was a high 1.8%, but malnutrition rated even higher: 21.4%. The utilization of the hospital was high, Maternal-child protection measures, especially in the area of nutrition, require the training of community health workers and traditional birth attendants; however, cost-benefit considerations limit resources and the implementation of primary health care is curtailed by economic and cultural factors.
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PMID:[Health care organization and health in a region of Zaire]. 248 74

In Germany, the last period of the Second World War and the following years were characterized by deficiencies of hygiene which had not occurred previously in Middle Europe during the 20th century. There were focuses of typhus, typhoid fever, tuberculosis, diphtheria, scarlet fever, and meningitis. Insufficiencies in the removal of faeces caused high incidences of shigellosis, hepatitis A, and ascariasis. As a result of insufficient body care, many people were infested with fleas, lice and scabies. The migration of large proportions of the population resulted in an increasing prevalence of syphilis an gonorrhea. As the population resettled, the first steps towards reorganization of public health could be done. The spread of typhoid fever was controlled by drinking-water disinfection with chlorine, repair of sewage systems, and patient isolation. The application of DDT helped to reduce scabies and pediculosis, resulting in decreasing typhus risks. During the first two decades after the war, there was a steady decrease of the incidence of infectious diseases. The reconstruction of the towns resulted in improved housing conditions and a decreasing number of persons per housing area, reducing the intensity of physical contacts of the inhabitants with each other. The nutrition and clothing situation of the population improved, which, in addition to a general rise of the standards of hygiene, brought about an increase of the individual resistance to infection. A further reduction of sporadic and epidemic outbreaks of infectious diseases was achieved by the introduction of chemotherapy and antibiotics. Increasing prosperity was accompanied by new problems of hygiene. Infectious diseases almost eradicated in West Germany, were imported by air travellers. Ten imported cases of smallpox were reported between 1957 and 1972, eight of which originated from Southeast Asia. Malaria, imported by German and foreign soldiers, had not been uncommon after the end of the war but had been easy to control by insecticides and antimalarials. As tourism expanded, a new wave of imported malaria cases was reported. In West Germany there is, however, no more spread of the disease under present conditions, cholera caused similar problems. The 1961 cholera epidemic started in Southeast Asia and caused minor outbreaks in Mediterranean countries like Italy and Spain. A significant spread of the disease throughout Europe was prevented by generally high standards of drinking water and sewage treatment. Sporadic cases of typhoid fever were imported from countries with low standards of hygiene.(ABSTRACT TRUNCATED AT 400 WORDS)
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PMID:[The success of hygiene in the last 40 years]. 250 Jul 98

Imported infectious diseases in the Departments for Epidemic Diseases in Blegdams Hospital and the University Hospital, Copenhagen, are reviewed for the period 1975-1986. A total of 3,454 cases were diagnosed. 92% were due to parasitic infections. 20.2% of the diagnoses were made i Danes. 38% of these had malaria. Ancylostomiasis, ascariasis and trichuriasis constituted 55% of the diagnoses and were found mainly in boat refugees from Vietnam. Africa, south of Sahara, Asia and the Mediterranean countries were the commonest sources of infection. The number of diagnoses increased tenfold as compared with the period 1965-1974 and this was due mainly to immigration of 3,000 boat refugees from Vietnam during the period 1979-1983. The number of danes averaged 57 annually. Only a slight increase occurred in imported infectious diseases in Danes as compared with the period 1965-1974. Malaria, bacterial and parasitic intestinal infections were the commonest diagnoses in this group. The next largest group of patients consisted of immigrants from Pakistan and Turkey. During the period 1979-1983, 79% of the diagnoses were made mainly in the boat refugees from Vietnam. The individual diseases are reviewed and the possibilities for prevention of imported disease are outlined.
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PMID:[Imported infectious diseases in patients at Blegdam's Hospital and the epidemic diseases department of Rigshospitalet, Copenhagen, during 1975-1986]. 280 28

Some of the activities in chemotherapeutic research and vaccine development which WHO has initiated, participated, coordinated or funded are reviewed. WHO has interests in research, particularly, although by means exclusively, in all the communicable diseases and in applied vaccinology. Examples are given from various fields including progress in human trials of anti-sporozoite vaccines in malaria due to Plasmodium falciparum, chemotherapeutic studies on artemisine and halofantrine, pragmatic and systemic approaches to vaccination in leishmaniasis, recent work on the chemotherapy of leishmanial infections, African leishmaniasis and Chagas' disease, the anticipated impact of ivermectin in onchocerciasis control, studies on new macro- and microfilaricides, progress in the diarrhoeal diseases control programme, and the control of taeniasis/cysticercosis, ascariasis and hookworm through different delivery systems using population-based chemotherapy.
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PMID:Drug and vaccine development. 312 54

An enzyme-linked immunosorbent assay was used to quantify soluble interleukin 2 receptor (IL-2R) in the serum of patients with helminthic and protozoal infections. The results demonstrated that levels of IL-2R were normal in patients with helminthic infections limited to the intestinal tract (ascariasis, trichuriasis), but significantly elevated in patients with systemic or long-lasting infections (strongyloidiasis, schistosomiasis, fascioliasis, opisthorchiasis). In patients infected with Schistosoma mansoni levels of IL-2R were higher in those with the hepatosplenic than in those with the intestinal form of the disease. Patients with malaria also showed increased serum levels of IL-2R, irrespective whether the infection was caused by Plasmodium falciparum or P. vivax. No difference was observed between patients with acute or history of malaria. The highest levels of IL-2R were observed in patients with visceral leishmaniasis. Interestingly, in these patients the concentration of IL-2R correlated to specific antibody titre. The results are discussed in the context of preferential activation of T lymphocytes, B lymphocytes and/or macrophages during the course of the different parasitic infections investigated.
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PMID:Interleukin 2 receptor in patients with localized and systemic parasitic diseases. 313 58

Measurements of child growth have become the most accepted means of assessing the protein-calorie nutritional status of economically developing populations. International reference standards have been suggested for a number of body measurements, but there has been little evaluation of their applicability in South-East Asia.In order to delineate the present range of nutritional standards in West Malaysia, and to aid in the development of guidelines for further nutritional work in this region, anthropometric tests were made on 3 groups of children below school age belonging to the Malay ethnic group and living under diverse conditions. Children of Malaysian Army personnel differed significantly in most measurements from rural village children in Trengganu and children from a small urban elite in Kuala Lumpur. Measurements for the latter group approximated to internationally used standards of height and weight. Parental height data suggest that these differences are not primarily genetic. Anaemia, malaria, and ascariasis were common among the Trengganu children.Weight and height emerge as the measurements that are most sensitive in differentiating between the groups; arm circumferences and skinfold measurements are also useful because they are relatively independent of age. Measurement of chest and head circumferences and of crown-rump lengths appeared to be of little value.
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PMID:Nutritional assessment by comparative growth achievement in Malay children below school age. 531 20

A survey of 5,595 primary school children in Lagos State showed that most of the children were over-loaded with parasitic infestations which included malaria (37.7%), schistosomiasis (13.4%). ascariasis (74.2%), trichuriasis (75.8%), hookworm (29.5%) and tungiasis (49.5%). Multiple infections were observed with about 16.2% harbouring all the causative organisms of the parasitic diseases enumerated above. The high prevalence of parasitic infestations among these children is an index of the community's low level of health and also of inadequate health education, because most of these diseases are preventable if the people are told what to do.
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PMID:The parasitic diseases of school children in Lagos State, Nigeria. 611 20

The effects of eosinophilia on the course of Plasmodium berghei infection in mice were studied. Eosinophilia was induced by intravenous injection of Ascaris suum body fluid into the mice. Results indicated that eosinophils may play a role in the suppression of murine malaria. A significant reduction in parasitemias and increased survival time in eosinophilic mice occurred compared to mice not treated with A. suum body fluid. Reduction of parasitemia was effectively achieved when the mice were challenged with P. berghei, only after the level of eosinophils reached at least 10% of total white cell counts in the circulation. These findings may offer an additional explanation for the suppression of malaria in individuals with severe ascariasis.
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PMID:Plasmodium berghei: eosinophilic depression of infection in mice. 636 16


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