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dirofilaria immitis in the cerebral arteries of a dog. 19705461093
cerebral infarction caused by heartworms (dirofilaria immitis) in a dog. 19705461695
prepatent clinical, pathologic, and serologic changes in dogs infected with dirofilaria immitis and treated with diethylcarbamazine. 19705462352
a procedure for the surgical removal of dirofilaria immitis. 19705462465
the incidence and pathology of dirofilaria immitis infection in dogs in nairobi. 19705465700
laboratory and field studies of the southern house mosquito, culex pipiens quinquefasciatus say, infected with the dog heartworm, dirofilaria immitis (leidy), in louisiana. 19705485388
experimental infection of gibbons with dirofilaria immitis. 19705495644
dirofilaria immitis in military dogs--diagnosis, incidence and treatment. 19705198013
aberrant location of dirofilaria immitis. 19705201515
efficacy of selected drugs as prophylactic agents against dirofilaria immitis infection of dogs. sam-tr-70-9. 19705311026
potential vectors of dirofilaria immitis. 19704394832
a study of potential mosquito vectors of dirofilaria immitis leidy, on okinawa, ryukyu islands. 19704394974
metabolic patterns of dirofilaria immitis microfilariae in vitro. 19704315648
ultrastructure of the microfilaria of dirofilaria immitis. 19714333387
skin reactions of natives in the western highlands of new guinea to an antigen prepared from dirofilaria immitis. 19714399327
further testing of fenthion for prophylactic effects against the developing stages of dirofilaria immitis. 19714401298
evaluation of the dirofilaria immitis filarial skin test antigen in the diagnosis of filariasis.conflicting opinions on the value of a skin test in the diagnosis of human filariasis emphasized the need for a careful examination of this procedure. the evaluation was made by asking workers in different countries to use an antigen prepared from dirofilaria immitis in groups of people who could be examined for parasitic infection.in one non-endemic area, repeated tests over a 1-year period did not lead to sensitization, but the reactions of individuals varied from test to test. in endemic area ...19714274286
disc electrophoresis and immunoelectrophoresis of soluble extracts of dirofilaria immitis. 19715314584
acceptability of daily l-tetramisole by pound dogs infected with dirofilaria immitis. 19714937400
histochemical differentiation of dirofilaria immitis and dipetalonema reconditum. 19715101887
male dirofilaria immitis from the eye of a dog. 19715103595
dirofilaria immitis in hunting dogs from an area in maryland. 19715106047
effect of dirofilaria immitis on renal function in the dog. 19715131426
intravenous and oral medication for the elimination of heartworms (dirofilaria immitis). 19715153864
infectivity of irradiated larvae of dirofilaria immitis. 19715559755
experimental infection of the gibbon (hylobates lar) with dirofilaria immitis. 19724561690
precipitin test and soluble antigen fluorescent antibody technique for detecting dirofilaria immitis in dogs. 19734574149
serial section analysis of cells in the microfilariae of dirofilaria immitis containing neurosecretory-like granules. 19734578979
some biochemical studies on the nonspecific acid phosphomonoesterases of dirofilaria immitis. 19734353048
a rapid screening program for the diagnosis of dirofilaria immitis infections in dogs. 19734356344
the 2-mercaptoethanol labile immunoglobulin response of beagles experimentally infected with dirofilaria immitis. 19734198648
dirofilaria immitis. a cause of pulmonary coin lesions in human beings. 19734147707
development of filarial parasites in mosquitos in north-east tanzania.natural populations of 6 species of mosquito-anopheles tenebrosus, taeniorynchus (mansonioides) africanus, taeniorynchus (mansonioides) uniformis, anopheles coustani, anopheles ziemanni, and anopheles pharoensis-were examined for filarial parasites. infective stages of dirofilaria immitis were found in the first 3 of these species, which are therefore considered vectors. laboratory studies to see whether or not any of the 6 could potentially transmit wucheria bancrofti showed only a. tenebrosus ...19734151063
dirofilaria immitis (dog heartworm) as a cause of a pulmonary lesion in man. 19734719032
[studies on the heredity of susceptibility to the canine filaria, dirofilaria immitis, in culex pipiens fatigans and aedes aegypti]. 19734733216
the incidence of dirofilaria immitis and dipetalonema reconditum in dogs and cats in sydney. 19734734728
[experimental studies on the quantitative aspects of transmission of dirofilaria immitis by mosquitoes (author's transl)]. 19734743772
film: development and transmission of dirofilaria immitis. 19734777419
canine filariasis (dirofilaria immitis and dipetalonema reconditum): survey in southwestern connecticut. 19734795934
dirofilaria immitis in the brains of a dog and a cat. 19744813410
induction of morphological changes in microfilariae from dirofilaria immitis by in vitro culture techniques. 19744852416
chylothorax subsequent to infection of cats with dirofilaria immitis. 19744857724
inheritance of susceptibility to dirofilaria immitis infection in aedes aegypti. 19744152306
demonstration and interspecies cross-sensitization of reaginic antibodies in dogs infected with dirofilaria immitis. 19744211122
antibodies to dirofilaria immitis in caucasian and aboriginal australians diagnosed by immunofluorescence and passive arthus hypersensitivity. 19744279561
dirofilaria immitis: fate and immunogenicity of irradiated infective stage larvae in beagles. 19744597091
the prevalence of antibodies to dirofilaria immitis in aboriginal and caucasian australians. 19744617943
experimentally dirofilariases in macaques. susceptibility and host responses to dirofilaria immitis, the dog heartworm. 19744617944
the toxic effects of thiacetarsamide sodium in normal dogs and in dogs infested with dirofilaria immitis. 19744416543
studies on filariasis. iii. dirofilaria immitis: emergence of infective larvae from the mouthparts of aedes aegypti. 19744448885
the fate and migratory patterns of the infective larvae of brugia malayi, dirofilaria immitis and breinlia sergenti in aedes togoi denied access to a host. 19744455926
incidental findings of dirofilaria immitis in domestic cats. 19744493827
therapeutic field trial of a macro- and microfilaricidal agent in canine filariasis.the discovery in 1973 of a synergistic effect of the arsenical compound f 151, a macrofilaricide, and the benzimidazole compound hoe 33258, a microfilaricide, led to the preparation of the reaction product of f 151 and hoe 33258 (in the proportion 1 mol to 2 mol, respectively), which was designated by the letter e. this compound e proved to be an effective macro- and microfilaricidal agent when administered subcutaneously in a single well-tolerated dose to dogs that were naturally infected with ...19744549202
physiological basis of host susceptibility of florida mosquitoes to dirofilaria immitis. 1975441
letter: human pulmonary dirofilariasis: entry method of infective larvae. 1975238798
studies of immediate hypersensitivity in a patient with acanthocheilonema perstans filarial infection.a 25-year-old white female returned from west africa with a two-year history of epidosic swelling, pruritus, and pain in a wrist, associated with peripheral eosinophilia. serologic and immediate skin tests with dirofilaria immitis antigen were positive, and blood smears transiently showed microfilariae of acanthocheilonema perstans after the patient had been treated with diethylcarbamazine. before treatment, both the serum concentration of ige and the eosinophil content of arylsulfatase, an enzy ...19751079219
a rapid batch method for the production of specific fluorescein isothiocyanate-labeled globulins to dirofilaria immitis microfilaria.a rapid, reproducible method for the production of specifically labeled anti-dirofilaria immitis microfilaria (mff) globulins (mag) has been devised. these labeled antibodies have made the detection of d immitis in serum possible by a fluorescent-antibody technique.19751089371
letter to the editor: dirofilaria immitis survey in new york state. 19751126172
dirofilaria immitis (dog heartworm) as a cause of pulmonary infarction in man. 19751128003
tropical eosinophilia. a human model of parasitic immunopathology, with observations on serum ige levels before and after treatment.the diverse clinical syndromes characterized by asthmatic symptoms, transient pulmonary infiltrates, and eosinophilia have tended to obscure the specific association of one such entity with filarial infections. serum ige levels were determined before and after therapy in a group of well-characterized patients with tropical eosinophilia (te), studied earlier in singapore. the mean serum ige level in 14 cases before treatment with diethylcarbamazine was 2,355 ng. per milliliter, with a trend but s ...19751138016
human pulmonary dirofilariasis. a case report and review of the literature.a case of pulmonary dirofilariasis in a 48-year-old woman is presented. this rare pulmonary disorder is caused by dirofilaria immitis, the canine heartworm. a review of the literature revealed 40 documented cases, most of which have occurred in the united states within the past 10 years. the incidence of pulmonary dirofilariasis appears to be increasing; thus, this entity represents an important zoonosis and indicates a need for familiarity with the pathologic features of the lesions and the mor ...19751163896
solitary and bilateral pulmonary nodules due to dirofilaria immitis. 19751163897
separation of dirofilaria immitis allergen from the igg-inducing antigens.allergen in crude extract of dirofilaria immitis was purified and separated from the igg-inducing antigens by a combination of deae-sephadex a-50 chromatography and sephadex g-200 gel filtration. the molecular weight of the purified preparation was estimated to be approximately 20,000 by gel filtration. the carbohydrate content of the preparation was apparently low, about 2%. rats immunized with the allergenic fraction developed only a homocytotropic antibody and no hemagglutination antibody.19751165610
dirofilaria immitis: ultrastructural aspects of oocyte development and zygote formation. 19751168584
prevalence of dirofilaria immitis in a stray dog population in western new york.in a survey in 1973 undertaken to determine the prevalence of dirofilaria immitis in 100 dogs from a public pound in western new york, 2 dogs were found to be positive. microfilariae of dipetalonema sp were not present. hearts and pulmonary blood vessels were dissected for adult worms, and blood samples were examined for microfilariae, using a modified knott technique. although adult heartworms and microfilariae have been recovered from wild foxes, coyotes, and wolves in new york, this is the fi ...19751170797
cell-mediated immunity to dirofilaria immitis.cell-mediated immunity to dirofilaria immitis (di) in guinea pigs was confirmed by the migration inhibition test (mit), the blast transformation test (btt), the delayed skin reaction, and the skin reaction by passive transfer with sensitized peritoneal exudate (pe) cells. all migration inhibition (mi) positive cases were always associated with positive skin reactions and two cases showed positive skin reactions without mi. the cellular antibody confirmed by mit first appeared on the 4th day afte ...19751172086
experimental infection of cats with dirofilaria immitis.natural and experimental infections of cats with dirofilaria immitis have been reported. experimental infections of d. immitis in cats with the subsequent detection of microfilaremia and immediate skin hypersensitivity to antigen to d. immitis were produced. cutaneous nodules and chylothorax were also detected in some infected cats. adult worm recoveries were low and dead worms were found in some cats indicating the unsuitability of the cat as a host for d. immitis. however, one successful mosqu ...19751172533
dirofilaria immitis infection in a harbor seal. 19751176343
ursus americanus (black bear) a new host for dirofilaria immitis. 19751185438
membranous glomerulonephritis in dogs infected with dirofilaria immitis.membranous glomerulonephritis was diagnosed in five dogs with patent dirofilaria immitis infections. electron-dense deposits were present on the epithelial side of the glomerular basement membrane. an immunofluorescent study demonstrated immunoglobulins in the capillary wall and mesangium of the glomeruli. the glomerular lesions were considered to represent an immune complex form of glomerulonephritis induced by the d. immitis infection.19751189234
proceedings: the nature of the adverse reaction to diethylcarbamazine treatment in dogs infected with dirofilaria immitis. 19751216305
letter: canine heartworm (dirofilaria immitis). 19751223292
micro-organisms in filarial larvae (nematoda).unusual bodies have been described in the hypodermal tissues of larval dirofilaria immitis and brugia pahangi. ultrastructural evidence indicates that these bodies are probably gram-negative micro-organisms. it appears that the presence of large numbers of these bodies in an early embryo may affect development adversely. their importance at later stages of development of filariae is not known.19751228988
[pathological studies on the ectopic migration of dirofilaria immitis in the brain of dogs (author's transl)]. 19751237741
[cerebral infarction caused by dirofilaria immitis in three dogs (author's transl)]. 19751238861
anthropozoonotic helminthiases in australasia: part 3:--studies on the prevalence and public health implications of helminth parasites of dogs and cats in urban environments.man has acquired helminth infections at different times during his evolutionary history and animals have and do serve an important role in supplementing these acquistions. helminth species are divided into those which accompanied man as he emerged as a species and those which he has since acquired from domestic, wild and domiciliated animals by breakdown of ecological, physiological and immunological barriers (sprent 1969). with particular reference to helminth zoonoses transmitted through domes ...19751241387
anthropozoonotic helminthiases in australasia: part 3: - studies on the prevalence and public health implications of helminth parasites of dogs and cats in urban environments.man has acquired helminth infections at different times during his evolutionary history and animals have and do serve an important role in supplementing these acquisitions. helminth species are divided into those which accompanied man as he emerger as a species and those which he has since acquired from domestic, wild and domiciliated animals by breakdown of ecological, physiological and immunological barriers (sprent 1969). with particular reference to helminth zoonoses transmitted through dome ...19751241693
dirofilaria immitis infection in a wolverine. 19761255379
the homocytotropic and hemagglutinating antibody responses to brugia pahangi infection in the multimammate rat (mastomys natalensis).homocytotropic and hemagglutinating antibody responses were followed in multimammate rate (mastomys natalensis) infected with brugia pahangi. homocytotropic antibodies were detected by both active and passive cutaneous anaphylaxis using an antigen prepared from dirofilaria immitis. the homocytotropic antibody response was first evident at 3 weeks after infection and increased progressively until after patency. it then waned gradually and was absent at 33 weeks after infection (or 20 weeks after ...19761259087
lipid analysis of the adult dog heartworm, dirofilaria immitis. 19761261237
the detection of antibodies in human and animal filariases by counterimmunoelectrophoresis with dirofilaria immitis antigens.counterimmunoelectrophoresis revealed the presence of precipitin antibody in all of 6 dogs and the 1 cat infected with dirofilaria immitis and in the serum of 17 of 24 individuals living in a setting of hyperendemic subperiodic bancroftian filariasis. antigens used in the test were prepared from microfilariae and adult male d. immitis. some humans and animals had antibodies to both antigens while others had antibodies against microfilariae or adult worms only. the presence of soluble circulating ...19761262695
natural infection of aedes trivittatus (coq) with dirofilaria immitis in central iowa.juveniles identified as dirofilaria immitis were recovered from aedes trivittatus and anopheles punctipennis collected co2-baited cdc light traps in ames, iowa, during 10 days in july and august 1975. ae. trivittatus composed 58.7% of the mosquitoes collected, and d. immitis was recovered from 18 of 393 (4.6%) dissected and from 7 of 31 pools (911 mosquitoes; 0.77%). approximately 1.0% of the ae. trivittatus collected harbored infective-stage juveniles, and as many as 27 were recovered from a si ...19761263039
variability in the ratio between the numbers of microfilariae and adult heartworms. 19761270344
hematologic and radiographic changes in cats after inoculation with infective larvae of dirofilaria immitis.hematologic and radiographic findings in 15 domestic cats inoculated with 25, 100, or 200 to 400 infective larvae of dirofilaria immitis and in 5 uninoculated cats were compared. eosinophilia and leukocytosis developed 3 to 5 months after inoculation; packed cell volume and hemoglobin values were similar for inoculated cats and controls. changes detected in radiographs of inoculated cats were: (1) increased visualization of the pulmonary arteries; (2) right-side cardiac enlargement; and (3) diff ...1976130366
dirofilaria immitis (heartworms). 1976134023
dirofilaria immitis (dog heartworm) as a pulmonary lesion in humans.dirofilaria immitis, the dog heartworm, has been identified in the pulmonary granulomas of 5 patients from the greater charleston area; this is the largest series of such cases from one medical center. the patients had no pulmonary symptoms. on roentgenogram the lesions were all about 2 cm in size, of uniform light opacity, and located near the pleural surface. thoractomy was performed in each instance because of the possiblity of carcinoma. the association of granuloma formation, pulmonary infa ...19765063
nematode sense organs. 1976769503
factors that affect the intradermal test in diagnosis of filariasis in egypt. 1976801636
dirofilariasis in iowa coyotes.(dirofilaria immitis) were found in eight of 220 (3.6%) coyotes (canis latrans) collected from fur buyers in adams, carroll, cass, and warren counties in southwestern iowa. infections ranged from one to 23 worms per coyote.1976933306
studies on hemagglutination test on filariasis. i. the fractionation and purification of antigens by column chromatography and disc electrophoresis.the fractionation of antigens for hemagglutination test from adult worms of dirofilaria (d.) immitis was carried out by defatting with diethylether, sonication, centrifugation, gel-filtration on sephadex g-100 column, deae cellulose column chromatography, saturation with ammonium sulfate and disc electrophoresis. an antigen fpsd4 thus obtained, showed potent ha activity against sera from patients infected with wuchereria (w.) bancrofti. but it was also reactive with normal sera. after eliminatio ...1976933367
dirofilaria immitis and dipetalonema reconditum infections in oklahoma dogs. 1976943387
incidence of canine heartworm (dirofilaria immitis) in malaysia.a total of 764 adult dogs were examined for microfilariae and adult worms of d immitis and 197 (25-8 per cent) were found to be infected. direct blood examinations revealed only 47-2 per cent of the infected dogs whereas the blood serum examination detected 57-8 per cent of them. these results showed that the absence of circulating microfilariae could not be relied upon to be an accurate indication of the absence of patent heartworm infection. the average number of heartworms per dog was 5-5 wit ...1976943885
analysis of the microfilarial periodicity of dirofilaria immitis.microfilarial periodicity displayed by dogs infected with dirofilaria immitis was analyzed using the methematical model proposed by sasa and tanaka (s.e. asian j. trop. med. and pub. health 4, 1974, 518-536) except that pearson's product-moment correlation test was substituted for their chi-square analysis to estimate goodness of fit. samples were drawn at 3 hour intervals for periods of 24 or 48 hours in a series of 10 studies conducted on 4 dogs. no significant differences were observed in mic ...1976954440
levamisole resinate as a dirofilaria immitis microfilaricide in dogs.dogs infected naturally or experimentally with dirofilaria immitis were given levamisole resinate at the rate of 5.5 or 11 mg/kg of body weight/day for 10 days. all dogs had been treated with thiacetarsamide sodium approximately 6 weeks earlier. when given at the dosage of 5.5 mg/kg for 10 days, levamisole resinate was not effective as a microfilaricide in either naturally or experimentally infected dogs. microfilaria counts were reduced in all dogs at this dosage, but never to zero. in all case ...1976956014
prophylactic activity of mebendazole against dirofilaria immitis in dogs. 1976978377
changes in hookworm distribution in surinam.during the months may-july, 1974, a follow-up investigation was carried out on hookworm infections in dogs and cats in order to study changes in the hookworm distribution in surinam since 1967. fifty-two cats and 152 dogs were examined for the presence of helminths in the oesophagus, small intestine, coecum and heart. in total 15,942 helminths were isolated; most of these (14,006) were hookworms belonging to the species ancylostoma caninum, a. tubaeforme, a. ceylanicum and a. braziliense. the av ...1976987625
a new immunodiagnostic test in onchocerciasis.the radioallergosorbent (rast) technique was used as a diagnostic test for onchocerciasis. ige antibodies for dirofilaria immitis antigen were found in thirty-one of fifty-seven (54%) affected patients.19761016289
killing effect of normal peritoneal exudate cells in guinea pigs on microfilariae of dirofilaria immitis evoked by passive transfer of immune humoral factor.parasiticidal activity of normal peritoneal exudate cells on microfilariae of dirofilaria immitis in diffusion chambers implanted into normal guinea pigs was evoked by intraperitoneal passive transfer of anti-d. immitis serum. the immune serum was fractionated into supernatant and sediment by ammonium sulfate precipitation. the parasiticidal effect was reproduced with the supernatant and, to a less extent, with the sediment. anti-d. immitis serum from the animals sensitized 5 days before was als ...19761030746
a comparison of the efficiency of the nuclepore and millipore filtration systems for detecting microfilariae.using brugia pahangi or dirofilaria immitis as the test organisms no significant difference could be detected between nuclepore and millipore filters. it was found that 0.7% of microfilariae passed through the millipore and 1% through the nuclepore filters. no microfilariae were lost from the nuclepore membrane during the staining process.19761030840
[significance of passive hemagglutination and its prospectives in lymphatic filariasis].the authors analyze the data concerning 219 sera, that they have tested in passive hemagglutination, with as antigen a dirofilaria immitis proteic extract, in french polynesia. besides its light sensitivity, this method does appear very interesting. it points out: --first, that there is a gaussian distribution of the results found at various dilutions, both by "filarian" and "non filarian" people. therefore, this distribution is a feasible and practical parameter for evaluation of the filariasis ...19761037386
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