| studies on the diagnosis and treatment of human filariasis in rhodesia. | experiences in rhodesia with various recovery techniques available for the laboratory diagnosis of infections with dipetalonema perstans and wuchereria bancrofti are discussed. a diagnostic laboratory regimen for routine filarial investigations is suggested. included are preliminary observations on the use of mebendazole (vermox) for the treatment of d. perstans infections. | 1976 | 60784 |
| tanzania filariasis project: a provocative day test with diethylcarbamazine for the detection of microfilariae of nocturnally periodic wuchereria bancrofti in the blood. | in coastal tanzania, an area where the microfilariae (mf) of wuchereria bancrofti exhibit nocturnal periodicity, the administration of 2 mg diethylcarbamazine (dec) per kg body weight in the daytime provoked mf to enter the peripheral blood. in persons on normal daily activities the daytime dec provocative method proved to be as sensitive in detecting microfilaraemia as was the examination of night blood. its use in routine surveys is therefore justified. although mf densities by day and night w ... | 1979 | 396052 |
| some transfusion-induced parasitic infections in zambia. | the risk of acquiring a transfusion-induced infection in zambia was studied for the first time. blood slide examination of donors, despite the insensitivity of the method, established malaria as the most serious hazard. the species involved was plasmodium falciparum, the cause of cerebral malaria, and which could be rapidly fatal in a non-immune host visiting an endemic area. microfilariae of dipetalonema perstans and wuchereria bancrofti were also found in donor populations. while no disease ma ... | 1979 | 399289 |
| mebendazole. | the broad-spectrum of activity and safety of mebendazole remain, after 5 years of clinical experience, unique features of this anthelmintic. through microtubular destruction, mebendazole kills helminths by inhibiting glucose uptake into susceptible parasites. the drug's poor absorption does not appear to affect clinical efficacy except, perhaps, in the treatment of systemic helminth infections. mebendazole is generally considered the drug of choice for trichuriasis and has therapeutic advantages ... | 1979 | 484964 |
| localization of acid phosphatase in microfilariae of loa loa and dipetalonema perstans from cameroun. | the histochemical pattern of acid phosphatase activity in the microfilaria of l. loa showed a diffuse red staining all over the body, with conspicuous staining of the excretory and anal vesicles, innenkörper, amphids and phasmids. in d. perstans, the enzymatic activity was localized chiefly in four regions corresponding to the excretory and anal vesicles, amphids and phasmids of the microfilariae. a considerable loss of enzyme activity was observed in microfilariae that had been stored in a refr ... | 1977 | 564090 |
| a preliminary study on the treatment of filariasis due to dipetalonema perstans. | | 1979 | 571764 |
| epidemiology of poly-parasitism. ii. types of combinations, relative frequency and associations of multiple infections. | frequency distributions, including all of the observed types of combinations of multiple infections with different helminths and protozoa are presented for sample villages of the african savannah and of the trans-andean part of peru. measurements of correlation between these infections based on properties of the multivariate, multinomial distribution are calculated to show age and sex patterns of association in different population samples. a correlation matrix for combined infections with dipet ... | 1978 | 675834 |
| dipetalonema perstans and mansonella ozzardi in indians of southern venezuela. | microfilariae were observed in 25 of 187 blood leucocyte-culture preparations made for chromosome studies on 28 piaroa and 159 yanomama indians living near the brazilian border of amazonas, venezuela. among the yanomama, 17 (10.7%) were infected, all with mansonella ozzardi. among the piaroa, 8 (28.6%) were infected--3 with m. ozzardi, 4 with dipetalonema perstans, and 1 with both species. | 1976 | 769579 |
| wuchereria bancrofti: the staining of the microfilarial sheath in giemsa and haematoxylin for diagnosis. | indigenous cases of bancroftian filariasis have recently been identified in the country for the first time. the diagnosis of such infections depends on demonstrating the characteristic sheathed microfilariae of wuchereria bancrofti in the blood. giemsa, a stain recommended by many authors, was found to be unsuitable as the microfilarial sheath, an important distinguishing feature, does not take up the stain. in contrast, the sheath stains clearly in haematoxylin. the differences in the staining ... | 1977 | 919785 |
| effect of mebendazole and levamisole on onchocerca volvulus and dipetalonema perstans. | | 1975 | 1237183 |
| specific serodiagnosis with adult onchocerca volvulus antigen in an enzyme-linked immunosorbent assay. | the cross-reactivity of the blood from onchocerciasis, loiasis, and dipetalonemiasis was tested by a micro-elisa technique, utilizing adult onchocerca volvulus antigen and blood samples taken on filter paper. the average elisa values (od at 500 nm) were as follows: 0.58 in persons with o. volvulus microfilariae (n = 81), 0.49 in microfilariae-negatives from the same endemic area (n = 39), 0.15 in dipetalonemiasis (n = 27), and 0.25 in loiasis (n = 12), while those of 65 dipetalonema perstans-neg ... | 1987 | 3469920 |
| seroepidemiological investigations of onchocerciasis in a hyperendemic area of west africa. | immunological study of individuals (aged 4 to 70 years) living in an area of mali hyperendemic for onchocerciasis revealed an 83% prevalence of skin microfilariae (mf). microfilariae counts from skin snips were highly age-dependent. screening for concomitant helminth infections showed a low prevalence of hookworms and mansonella (dipetalonema) perstans, but neither schistosomiasis nor bancroftian filariasis. immunological results revealed strong correlation between radioallergosorbent test (rast ... | 1985 | 3898885 |
| first finding of dipetalonema perstans in colombia. filariasis in colombia. 3. | | 1973 | 4735086 |
| filariasis: dipetalonema perstans infections in rhodesia. | | 1971 | 5103154 |
| further observations on dipetalonema perstans. | | 1971 | 5165107 |
| [evaluation of 2 immunological tests (skin test and complement fixation test) for the detection of filariasis in populations of upper volta where wuchereria bancrofti, onchocercă volvulus and dipetalonema perstans occur together]. | | 1969 | 5307597 |
| [contribution to the study of filariasis existing in angola. 1-onchocerca volvulus. 2.-loa loa. 3.-dipetalonema perstans]. | | 1967 | 5629059 |
| [symptomatology of filariosis due to dipetalonema perstans]. | | 1965 | 5898897 |
| [contribution to the study of existent forms of filariasis in angola. 1. onchocerca volvulus. 2. loa loa. 3. dipetalonema perstans]. | | 1966 | 6011046 |
| infections with dipetalonema perstans and mansonella ozzardi in the aboriginal indians of guyana. | | 1967 | 6069567 |
| the public health importance of african trypanosomiasis in north east zambia. | a survey for sleeping sickness (trypanosoma brucei rhodesiense) in villages in the northern luangwa valley found a point prevalence of parasitaemia of 5.8 per thousand; the incidence of the disease was estimated at about 1% per annum. none of the cases found had sought treatment and pre-symptomatic cases may represent an important reservoir of infection to others. other frequent parasitemias in the population included malaria (p. falciparum, p. malariae and p. ovale) which is hyperendemic and di ... | 1984 | 6335610 |
| filariasis in colombia: prevalence and distribution of mansonella ozzardi and mansonella (=dipetalonema) perstans infections in the comisaría del guainía. | a survey was conducted to determine the prevalence and distribution of filarial infections among the inhabitants of comisaría. approximately 25% of the 604 individuals bled (knott's sample) harbored microfilariae; more men (29.7%) were infected than women (23.7%); approximately 6% were infected with mansonella (=dipetalonema) perstans, 13% with mansonella ozzardi, and 7% with both filariae. mansonella ozzardi was more common in men than in women, and its prevalence increased with age in both sex ... | 1983 | 6340542 |
| immune response in a symptomatic case of tetrapetalonema perstans infection. | the immune response in a 49-year-old italian nun affected by tetrapetalomena (dipetalonema) perstans following an eight-year stay in cameroon is reported. on admission the patient presented with polyarthralgia, conjunctival pruritus and irritation, oedema of the limbs, generalized itching, hypereosinophilia and low total ige titre. during diethylcarbamazine treatment and, subsequently, during mebendazole administration, an exacerbation of her symptoms was observed. at the same time, activation o ... | 1984 | 6541380 |
| lymphadenitis caused by loa loa. | the world health organization's collaborating centre for the histopathology of filarial diseases of man contains specimens of lymph node from 13 patients infected by the filarial nematode loa loa. ten of these nodes have distinctive microscopic features characterized by distended sinuses that contain histiocytes and eosinophils and by atrophy of lymphoid follicles. less striking features include fibrosis of capsule and trabeculae, dilated lymphatic vessels of capsule and medulla, and inflammator ... | 1984 | 6587787 |
| pleural effusion associated with dipetalonema perstans (acanthocheilonema perstans). | | 1983 | 6681622 |
| treatment of dipetalonema perstans infections with mebendazole. | | 1983 | 6684816 |
| report of an imported case of dipetalonema perstans in japan. | a case of dipetalonema perstans infection in a 34-year-old japanese male is presented and from his past history there is no doubt that he obtained the infection in zaire, africa. the morphology and periodicity of the microfilaria were studied in detail and the clinical manifestations of the infection documented. this is the first report of imported d. perstans infection in japan. | 1983 | 6686343 |
| filariasis in amerindians of western guyana with observations on transmission of mansonella ozzardi by a simulium species of the amazonicum group. | in order to conduct experimental infection studies of mansonella ozzardi in local haematophagous diptera, volunteers infected with this parasite were identified during a microfilaria survey in four amerindian villages in the pakaraima mountains of western guyana, near the brazilian border. m. ozzardi microfilariae were detected in thick blood smears from 8-21% of persons examined. they were also found in skin snips from 8/73 persons all of whom were positive by blood smear examination. no onchoc ... | 1982 | 6761913 |
| the successful treatment of dipetalonema perstans filariasis with mebendazole. | | 1982 | 6891576 |
| [prevalence of human filariasis with microfilaremia in gabon]. | direct examinations of blood and serologic tests were used to assess the intensity of the filarial endemicity in gabon. both methods revealed that the prevalence of filariasis with microfilaremia (loa loa and dipetalonema perstans) is presently very elevated. the areas that are more involved are the forest regions as well as the highest ones (ogoue, lolo, ngounie). women appeared to be suffering from loasis to a lesser extent than men. on the other hand, the prevalence was identical for dipetalo ... | 1980 | 6936082 |
| [serodiagnosis of onchocerciasis using micro-elisa. study of 450 sera and comparison with indirect immunofluorescence]. | the microtest elisa has been used for human onchocerciasis serological study. the antigens employed were adult onchocerca volvulus extracts, collected from dissected nodules, delipidized and cleared from human proteins by affinity chromatography. under the circumstances, the positivity limit of the test seems excellent (maximum )d: 0,23) defined with 171 negative sera, 66 of them taken from africans. specificity controls were studied with 56 heterologous sera; cross-reactions occurred with hydat ... | 1980 | 7006842 |
| evaluation of the diethylcarbamazine provocative test in the diagnosis of wuchereria bancrofti infections in the nigerian savanna and the effects on dipetalonema perstans. | large scale filariasis surveys in rural areas for microfilaraemia, especially of periodic types such as wuchereria bancrofti are known to cause considerable administrative, technical and social problems. the present investigation was carried out in the population of two villages in the malumfashi district of the northern nigerian savanna. from the survey results, the sensitivity and specificity of two techniques-day-time diethylcarbamazine (dec) provocative test by blood smear and concentration, ... | 1982 | 7051456 |
| glycolipid antigens of adult o. volvulus reactive with patients sera from onchocerciasis endemic areas in cameroon. | lipid extraction of adult o. volvulus worms using a chloroform/methanol/water mixture yielded 10 lipid fractions of which 8 were demonstrated by the orcinol reagent to be glycolipids. in tlc, two of these lipid fractions had mobilities similar to cholesterol and cholesterol ester (rf.: 0.95, 0.86) whereas two others migrated as sphingomyelin and lecithin (rf.: 0.40, 0.35) respectively. other components migrated at intermediate positions. the glycolipids were immunologically active and reacted wi ... | 1994 | 7604752 |
| oral and intraperitoneal treatment of acanthocheilonema (dipetalonema) perstans with diethylcarbamazine. | | 1956 | 13292664 |
| [contribution to the study of the pathogenic role of dipetalonema perstans: mesenteric algia of filarial origin]. | | 1961 | 13866439 |
| treatment of recurrent, filarial, calabar-type oedema with mebendazole. | a case of recurrent, severe filarial calabar-type oedema, causing acute discomfort in the patient, is described in a male caucasian. an adult loa loa worm but no microfilariae were present while dipetalonema perstans microfilaraemia was extremely low. treatment with mebendazole (1.5 g per day) for 21 days led to the disappearance of the clinical symptoms and microfilariae, and to a decrease of eosinophilia to normal values. | 1986 | 3463005 |
| density gradient separation of loa loa and dipetalonema perstans microfilariae from infected patients. | | 1986 | 3459401 |
| [filarial multiparasitism in the savannah zone in burkina faso]. | from june 1985 to may 1986, 1.209 consulting patients were examined for filariae in skin and blood. among patients with microfilariae 17% had associations of filarial infections. the multiple infections rate seemed more important in man than woman and increased with age. the results showed that associations were not due to chance only. the frequencies of associations between dipetalonema perstans and onchocerca volvulus at one hand, dipetalonema perstans and wuchereria bancrofti on the other han ... | 1987 | 3323769 |
| haemoparasites of blood donors in calabar. | the study of haemoparasites in our blood donors revealed the following parasite prevalences: microfilaria (mf) of loa loa (1.3%); dipetalonema perstans (15.6%); loa loa and d. perstans (0.2%), plasmodium falciparum (3.3%), plasmodium malariae (1.0%) and a mixture of p. falciparum and p. malariae (0.2%). no trypanosomes were observed in the 480 blood samples screened. there were more cases of d. perstans infection in the 24-30 year age group, indicating their increased exposure frequencies. match ... | 1989 | 2763348 |
| [indirect immunofluorescence in filariasis. iii. comparison of microfilaremia and treatment. cuba, 1983]. | twenty six patients coming from endemic areas, with diagnosis of filariasis caused by wuchereria bancrofti, loa loa and manzonella (dipetalonema perstans) and 29 patients suspicious of suffering filariasis were studied by means of knott, membrane filter and indirect immunofluorescence techniques. results of microfilaremia were compared with antibody titers and it was verified that there was not relationship between these parameters. the suspicious patients presented higher antibody levels than t ... | 1990 | 2259783 |
| [larval stages of the filaria mansonella (dipetalonema) perstans in a student from africa]. | microfilariae were found in blood samples of a 32 year-old-student from guinea-bissau (africa). based on parasite morphology as well as some other features the microfilariae were identified as mansonella perstans. the course of infection was asymptomatic (except for slight urticarial skin lesions). the microfilariae disappeared from peripheral blood after mebendazole treatment (200 mg daily for 1 month). | 1990 | 2224971 |
| human ecology and parasitic infections. 1. the effect of occupation on the prevalence of parasitic infections in calabar, nigeria. | one thousand six hundred people belonging to three different occupational groups were randomly selected. blood, urine and stool specimens were collected from them and processed for the detection of any parasitic infections. the results show 28.5% infection rate with one or more species of intestinal parasites; 50.7% in the school children, 17.3% among the farmers, and 12% among the soldiers. results of blood examination showed 5.3%, 8.0% and 2.0% infection rates for p. falciparum in the school p ... | 1992 | 1512451 |
| man-biting species of chrysops meigen, culicoides latreille and simulium latreille in ethiopia, with discussion of their vector potentialities. | human filariasis and its vectors are little known in ethiopia. wuchereia bancrofti is confined to the western lowlands and cannot be the aetiological agent of elephantiasis in the highlands. onchocerca volvulus is widespread in the south-western highlands. loa loa and dipetalonema perstans are reported here for the first time and appear to be uncommon. studies were conducted in 1973, mostly near jimma in kaffa province, on potential vectors of all but the first of these parasites. among simuliid ... | 1977 | 877992 |
| [immunological diagnosis of filariosis in persons returning from tropical countries and in european and indigenous inhabitants of endemic areas (author's transl)]. | serum samples from persons who lived in areas where onchocerciasis occurred or who had filariasis were examined with the complement fixation test and the indirect hemagglutination test for the presence of antibodies against crude extracts from dirofilaria immitis, onchocerca volvulus, dipetalonema viteae, and ascaris suum. the results could be interpreted as follows: 1. the indirect hemagglutination test was more sensitive than the complement fixation test for the demonstration of antibodies in ... | 1977 | 271633 |
| dipetalonema perstans in a patient with chronic lymphoedema. case report. | | 1983 | 6684545 |
| [prevalence of bancroftian filariasis in seven villages of the bonassama health district in the wouri estuary, littoral province of cameroon]. | lymphatic filariasis is one of the 6 diseases targeted for global eradication by the world health organization. in 2000 cameroon was selected for inclusion in the eradication program. as a prerequisite for the program, epidemiological mapping was undertaken to determine the prevalence of wuchereria bancrofti in 7 villages located in the mangrove area of the wouri estuary littoral province of cameroon. informed consent was obtained from each participant or from parents of minors. night blood spec ... | 2003 | 15077419 |
| miniature anion-exchange/centrifugation technique for the diagnosis of microfilaraemia in the field. | the miniature anion-exchange/centrifugation (aec) technique, developed originally for the detection of low parasitaemias in laboratory rodents, was adapted to field use for the diagnosis of trypanosomiasis in man in africa and was tested in the gambia. during this field study it was found that microfilariae of dipetalonema perstans could also pass through the anion exchange column and appear in the centrifugate as 'medusa heads'. one locality-group (mansafa bolon) showed a generally higher preva ... | 1980 | 7192021 |
| filariasis in colombia: presence of dipetalonema perstans in the comisaría del guainía. | examination of 75 blood samples (knott preparation) collected in puerto inŕida, coco, and pajuil, in the comisaría del guainía, colombia, disclosed 26 microfilaria carriers. eighteen persons harbored only mansonella ozzardi microfilariae, three were infected with m. ozzardi and dipetalonema perstans and five harbored only d. perstans. m. ozzardi infections were found in whites, and in indians belonging to the curripaco, puinave, tukano, guanano and saliva tribes, but d. perstans was found only i ... | 1982 | 7044161 |
| [clinical observations on treatment of dipetalonema perstans and loa loa filariasis with furapyrimidone]. | | 1984 | 6590137 |