[Assessment of intracutaneous test in longitudinal surveillance for lymphatic filariasis].
Identifieur interne : 00DD88 ( Main/Exploration ); précédent : 00DD87; suivant : 00DD89[Assessment of intracutaneous test in longitudinal surveillance for lymphatic filariasis].
Auteurs : F T Shi ; X M Ling ; H H Shi ; Q. Huang ; Z J ShiSource :
- Zhongguo ji sheng chong xue yu ji sheng chong bing za zhi = Chinese journal of parasitology & parasitic diseases [ 1000-7423 ] ; 1989.
Descripteurs français
- KwdFr :
- Animaux, Antigènes d'helminthe (administration et posologie), Chine (épidémiologie), Dirofilaria immitis (immunologie), Filarioidea (immunologie), Filariose lymphatique (épidémiologie), Filarioses (épidémiologie), Humains, Hypersensibilité immédiate (immunologie), Microfilaria (immunologie), Tests cutanés, Tests intradermiques, Wuchereria bancrofti, Études longitudinales.
- MESH :
- administration et posologie : Antigènes d'helminthe.
- immunologie : Dirofilaria immitis, Filarioidea, Hypersensibilité immédiate, Microfilaria.
- épidémiologie : Chine, Filariose lymphatique, Filarioses.
- Animaux, Humains, Tests cutanés, Tests intradermiques, Wuchereria bancrofti, Études longitudinales.
English descriptors
- KwdEn :
- Animals, Antigens, Helminth (administration & dosage), China (epidemiology), Dirofilaria immitis (immunology), Elephantiasis, Filarial (epidemiology), Filariasis (epidemiology), Filarioidea (immunology), Humans, Hypersensitivity, Immediate (immunology), Intradermal Tests, Longitudinal Studies, Microfilariae (immunology), Skin Tests, Wuchereria bancrofti.
- MESH :
- chemical , administration & dosage : Antigens, Helminth.
- epidemiology : China, Elephantiasis, Filarial, Filariasis.
- immunology : Dirofilaria immitis, Filarioidea, Hypersensitivity, Immediate, Microfilariae.
- Animals, Humans, Intradermal Tests, Longitudinal Studies, Skin Tests, Wuchereria bancrofti.
Abstract
In order to evaluate the usefulness of intracutaneous test (IT) in longitudinal surveillance of filariasis, two administrative villages selected from Queshan County, Henan Province of China, endemic for Wuchereria bancrofti, were surveyed in 1982, 1983 and 1987 respectively, by IT with antigen FPT derived from Dirofilaria immitis. The result showed that the original level of IT to antigen FPT in the population was consistent with the data of either etiological or entomological investigation before chemotherapy. When the microfilaraemia rate and natural filarial infection rate of mosquitoes in a village were high, the positive rate and frequency of strong positivity (skin wheel diameter greater than or equal to 1.3 mm) for immediate hypersensitivity reaction would be high too; and the reverse was true. It is suggested that both criteria of IT mentioned above may be useful in assessing endemicity of lymphatic filariasis before mass chemotherapy. The speed of negative conversion of IT in both groups, the previously microfilaraemic patients and the microfilaraemic inhabitants positive to immediate hypersensitivity reaction before chemotherapy, were different, the former being significantly slower than that of the latter after mass and selective chemotherapy with diethylcarbamazine. All of the three criteria for immediate hypersensitivity, positive rate, frequency of strong positivity and positive conversion rate, decreased gradually after a mass and selective DEC treatment. Until 1987, the 5th year after the chemotherapy, the average positive rate in the two villages dropped to 20.0% from 55.4% in 1982, the frequency of strong positivity to 2.8% from 23.8% in 1982, and the positive conversion rate to 9.7% (1984-1987) form 19.2% (1982-1983).(ABSTRACT TRUNCATED AT 250 WORDS)
PubMed: 2699282
Affiliations:
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Huang</name></author><author><name sortKey="Shi, Z J" sort="Shi, Z J" uniqKey="Shi Z" first="Z J" last="Shi">Z J Shi</name></author></analytic><series><title level="j">Zhongguo ji sheng chong xue yu ji sheng chong bing za zhi = Chinese journal of parasitology & parasitic diseases</title><idno type="ISSN">1000-7423</idno><imprint><date when="1989" type="published">1989</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Antigens, Helminth (administration & dosage)</term><term>China (epidemiology)</term><term>Dirofilaria immitis (immunology)</term><term>Elephantiasis, Filarial (epidemiology)</term><term>Filariasis (epidemiology)</term><term>Filarioidea (immunology)</term><term>Humans</term><term>Hypersensitivity, Immediate (immunology)</term><term>Intradermal Tests</term><term>Longitudinal Studies</term><term>Microfilariae (immunology)</term><term>Skin Tests</term><term>Wuchereria bancrofti</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term><term>Antigènes d'helminthe (administration et posologie)</term><term>Chine (épidémiologie)</term><term>Dirofilaria immitis (immunologie)</term><term>Filarioidea (immunologie)</term><term>Filariose lymphatique (épidémiologie)</term><term>Filarioses (épidémiologie)</term><term>Humains</term><term>Hypersensibilité immédiate (immunologie)</term><term>Microfilaria (immunologie)</term><term>Tests cutanés</term><term>Tests intradermiques</term><term>Wuchereria bancrofti</term><term>Études longitudinales</term></keywords><keywords scheme="MESH" type="chemical" qualifier="administration & dosage" xml:lang="en"><term>Antigens, Helminth</term></keywords><keywords scheme="MESH" qualifier="administration et posologie" xml:lang="fr"><term>Antigènes d'helminthe</term></keywords><keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>China</term><term>Elephantiasis, Filarial</term><term>Filariasis</term></keywords><keywords scheme="MESH" qualifier="immunologie" xml:lang="fr"><term>Dirofilaria immitis</term><term>Filarioidea</term><term>Hypersensibilité immédiate</term><term>Microfilaria</term></keywords><keywords scheme="MESH" qualifier="immunology" xml:lang="en"><term>Dirofilaria immitis</term><term>Filarioidea</term><term>Hypersensitivity, Immediate</term><term>Microfilariae</term></keywords><keywords scheme="MESH" qualifier="épidémiologie" xml:lang="fr"><term>Chine</term><term>Filariose lymphatique</term><term>Filarioses</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Humans</term><term>Intradermal Tests</term><term>Longitudinal Studies</term><term>Skin Tests</term><term>Wuchereria bancrofti</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Humains</term><term>Tests cutanés</term><term>Tests intradermiques</term><term>Wuchereria bancrofti</term><term>Études longitudinales</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In order to evaluate the usefulness of intracutaneous test (IT) in longitudinal surveillance of filariasis, two administrative villages selected from Queshan County, Henan Province of China, endemic for Wuchereria bancrofti, were surveyed in 1982, 1983 and 1987 respectively, by IT with antigen FPT derived from Dirofilaria immitis. The result showed that the original level of IT to antigen FPT in the population was consistent with the data of either etiological or entomological investigation before chemotherapy. When the microfilaraemia rate and natural filarial infection rate of mosquitoes in a village were high, the positive rate and frequency of strong positivity (skin wheel diameter greater than or equal to 1.3 mm) for immediate hypersensitivity reaction would be high too; and the reverse was true. It is suggested that both criteria of IT mentioned above may be useful in assessing endemicity of lymphatic filariasis before mass chemotherapy. The speed of negative conversion of IT in both groups, the previously microfilaraemic patients and the microfilaraemic inhabitants positive to immediate hypersensitivity reaction before chemotherapy, were different, the former being significantly slower than that of the latter after mass and selective chemotherapy with diethylcarbamazine. All of the three criteria for immediate hypersensitivity, positive rate, frequency of strong positivity and positive conversion rate, decreased gradually after a mass and selective DEC treatment. Until 1987, the 5th year after the chemotherapy, the average positive rate in the two villages dropped to 20.0% from 55.4% in 1982, the frequency of strong positivity to 2.8% from 23.8% in 1982, and the positive conversion rate to 9.7% (1984-1987) form 19.2% (1982-1983).(ABSTRACT TRUNCATED AT 250 WORDS)</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Huang, Q" sort="Huang, Q" uniqKey="Huang Q" first="Q" last="Huang">Q. Huang</name><name sortKey="Ling, X M" sort="Ling, X M" uniqKey="Ling X" first="X M" last="Ling">X M Ling</name><name sortKey="Shi, F T" sort="Shi, F T" uniqKey="Shi F" first="F T" last="Shi">F T Shi</name><name sortKey="Shi, H H" sort="Shi, H H" uniqKey="Shi H" first="H H" last="Shi">H H Shi</name><name sortKey="Shi, Z J" sort="Shi, Z J" uniqKey="Shi Z" first="Z J" last="Shi">Z J Shi</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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