Bancroftian filariasis in 12 villages in Kwale district, Coast province, Kenya - variation in clinical and parasitological patterns.
Identifieur interne : 008B16 ( Main/Merge ); précédent : 008B15; suivant : 008B17Bancroftian filariasis in 12 villages in Kwale district, Coast province, Kenya - variation in clinical and parasitological patterns.
Auteurs : D A N. Mukoko [Kenya] ; E M Pedersen ; N N Masese ; B B A. Estambale ; J H OumaSource :
- Annals of tropical medicine and parasitology [ 0003-4983 ] ; 2004.
Descripteurs français
- KwdFr :
- Adolescent, Adulte, Adulte d'âge moyen, Animaux, Enfant, Enfant d'âge préscolaire, Femelle, Filariose lymphatique (sang), Filariose lymphatique (épidémiologie), Humains, Hydrocèle (sang), Hydrocèle (épidémiologie), Kenya (épidémiologie), Maladies de l'appareil génital mâle (sang), Maladies de l'appareil génital mâle (épidémiologie), Maladies endémiques, Membres (parasitologie), Microfilaria (isolement et purification), Mâle, Nourrisson, Numération des oeufs de parasites, Prévalence, Répartition par sexe, Répartition par âge, Santé en zone rurale, Scrotum (parasitologie), Wuchereria bancrofti (isolement et purification).
- MESH :
- isolement et purification : Microfilaria, Wuchereria bancrofti.
- parasitologie : Membres, Scrotum.
- sang : Filariose lymphatique, Hydrocèle, Maladies de l'appareil génital mâle.
- épidémiologie : Filariose lymphatique, Hydrocèle, Kenya, Maladies de l'appareil génital mâle.
- Adolescent, Adulte, Adulte d'âge moyen, Animaux, Enfant, Enfant d'âge préscolaire, Femelle, Humains, Maladies endémiques, Mâle, Nourrisson, Numération des oeufs de parasites, Prévalence, Répartition par sexe, Répartition par âge, Santé en zone rurale.
English descriptors
- KwdEn :
- Adolescent, Adult, Age Distribution, Animals, Child, Child, Preschool, Elephantiasis, Filarial (blood), Elephantiasis, Filarial (epidemiology), Endemic Diseases, Extremities (parasitology), Female, Genital Diseases, Male (blood), Genital Diseases, Male (epidemiology), Humans, Infant, Kenya (epidemiology), Male, Microfilariae (isolation & purification), Middle Aged, Parasite Egg Count, Prevalence, Rural Health, Scrotum (parasitology), Sex Distribution, Testicular Hydrocele (blood), Testicular Hydrocele (epidemiology), Wuchereria bancrofti (isolation & purification).
- MESH :
- blood : Elephantiasis, Filarial, Genital Diseases, Male, Testicular Hydrocele.
- epidemiology : Elephantiasis, Filarial, Genital Diseases, Male, Kenya, Testicular Hydrocele.
- isolation & purification : Microfilariae, Wuchereria bancrofti.
- parasitology : Extremities, Scrotum.
- Adolescent, Adult, Age Distribution, Animals, Child, Child, Preschool, Endemic Diseases, Female, Humans, Infant, Male, Middle Aged, Parasite Egg Count, Prevalence, Rural Health, Sex Distribution.
Abstract
As part of a larger study on the effects of permethrin-impregnated bednets on the transmission of Wuchereria bancrofti, subjects from 12 villages in the Coastal province of Kenya, south of Mombasa, were investigated. The aims were to update the epidemiological data and elucidate the spatial distribution of W. bancrofti infection. Samples of night blood from all the villagers aged i 1 year were checked for the parasite, and all the adult villagers (aged >/= 15 years) were clinically examined for elephantiasis and, if male, for hydrocele. Overall, 16.0% of the 6531 villagers checked for microfilariae (mff) were found microfilaraemic, although the prevalence of microfilaraemia in each village varied from 8.1%-27.4%. The geometric mean intensity of infection among the microfilaraemic was 322 mff/ml blood. At village level, intensity of the microfilaraemia was positively correlated with prevalence, indicating that transmission has a major influence on the prevalence of microfilaraemia. Clinical examination of 2481 adults revealed that 2.9% had elephantiasis of the leg and that 19.9% of the adult men (10.8%-30.1% of the men investigated in each village) had hydrocele. Although the overall prevalence of microfilaraemia in the study villages had not changed much since earlier studies in the 1970s, both prevalence and intensity varied distinctly between the study villages. Such geographical variation over relatively short distances appears to be a common but seldom demonstrated feature in the epidemiology of bancroftian filariasis, and the focal nature of the geographical distribution should be carefully considered by those mapping the disease.
DOI: 10.1179/000349804X3225
PubMed: 15667713
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pubmed:15667713Le document en format XML
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Estambale</name></author><author><name sortKey="Ouma, J H" sort="Ouma, J H" uniqKey="Ouma J" first="J H" last="Ouma">J H Ouma</name></author></analytic><series><title level="j">Annals of tropical medicine and parasitology</title><idno type="ISSN">0003-4983</idno><imprint><date when="2004" type="published">2004</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Age Distribution</term><term>Animals</term><term>Child</term><term>Child, Preschool</term><term>Elephantiasis, Filarial (blood)</term><term>Elephantiasis, Filarial (epidemiology)</term><term>Endemic Diseases</term><term>Extremities (parasitology)</term><term>Female</term><term>Genital Diseases, Male (blood)</term><term>Genital Diseases, Male (epidemiology)</term><term>Humans</term><term>Infant</term><term>Kenya (epidemiology)</term><term>Male</term><term>Microfilariae (isolation & purification)</term><term>Middle Aged</term><term>Parasite Egg Count</term><term>Prevalence</term><term>Rural Health</term><term>Scrotum (parasitology)</term><term>Sex Distribution</term><term>Testicular Hydrocele (blood)</term><term>Testicular Hydrocele (epidemiology)</term><term>Wuchereria bancrofti (isolation & purification)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Adulte d'âge moyen</term><term>Animaux</term><term>Enfant</term><term>Enfant d'âge préscolaire</term><term>Femelle</term><term>Filariose lymphatique (sang)</term><term>Filariose lymphatique (épidémiologie)</term><term>Humains</term><term>Hydrocèle (sang)</term><term>Hydrocèle (épidémiologie)</term><term>Kenya (épidémiologie)</term><term>Maladies de l'appareil génital mâle (sang)</term><term>Maladies de l'appareil génital mâle (épidémiologie)</term><term>Maladies endémiques</term><term>Membres (parasitologie)</term><term>Microfilaria (isolement et purification)</term><term>Mâle</term><term>Nourrisson</term><term>Numération des oeufs de parasites</term><term>Prévalence</term><term>Répartition par sexe</term><term>Répartition par âge</term><term>Santé en zone rurale</term><term>Scrotum (parasitologie)</term><term>Wuchereria bancrofti (isolement et purification)</term></keywords><keywords scheme="MESH" qualifier="blood" xml:lang="en"><term>Elephantiasis, Filarial</term><term>Genital Diseases, Male</term><term>Testicular Hydrocele</term></keywords><keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Elephantiasis, Filarial</term><term>Genital Diseases, Male</term><term>Kenya</term><term>Testicular Hydrocele</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Microfilariae</term><term>Wuchereria bancrofti</term></keywords><keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Microfilaria</term><term>Wuchereria bancrofti</term></keywords><keywords scheme="MESH" qualifier="parasitologie" xml:lang="fr"><term>Membres</term><term>Scrotum</term></keywords><keywords scheme="MESH" qualifier="parasitology" xml:lang="en"><term>Extremities</term><term>Scrotum</term></keywords><keywords scheme="MESH" qualifier="sang" xml:lang="fr"><term>Filariose lymphatique</term><term>Hydrocèle</term><term>Maladies de l'appareil génital mâle</term></keywords><keywords scheme="MESH" qualifier="épidémiologie" xml:lang="fr"><term>Filariose lymphatique</term><term>Hydrocèle</term><term>Kenya</term><term>Maladies de l'appareil génital mâle</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Age Distribution</term><term>Animals</term><term>Child</term><term>Child, Preschool</term><term>Endemic Diseases</term><term>Female</term><term>Humans</term><term>Infant</term><term>Male</term><term>Middle Aged</term><term>Parasite Egg Count</term><term>Prevalence</term><term>Rural Health</term><term>Sex Distribution</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Adulte d'âge moyen</term><term>Animaux</term><term>Enfant</term><term>Enfant d'âge préscolaire</term><term>Femelle</term><term>Humains</term><term>Maladies endémiques</term><term>Mâle</term><term>Nourrisson</term><term>Numération des oeufs de parasites</term><term>Prévalence</term><term>Répartition par sexe</term><term>Répartition par âge</term><term>Santé en zone rurale</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">As part of a larger study on the effects of permethrin-impregnated bednets on the transmission of Wuchereria bancrofti, subjects from 12 villages in the Coastal province of Kenya, south of Mombasa, were investigated. The aims were to update the epidemiological data and elucidate the spatial distribution of W. bancrofti infection. Samples of night blood from all the villagers aged i 1 year were checked for the parasite, and all the adult villagers (aged >/= 15 years) were clinically examined for elephantiasis and, if male, for hydrocele. Overall, 16.0% of the 6531 villagers checked for microfilariae (mff) were found microfilaraemic, although the prevalence of microfilaraemia in each village varied from 8.1%-27.4%. The geometric mean intensity of infection among the microfilaraemic was 322 mff/ml blood. At village level, intensity of the microfilaraemia was positively correlated with prevalence, indicating that transmission has a major influence on the prevalence of microfilaraemia. Clinical examination of 2481 adults revealed that 2.9% had elephantiasis of the leg and that 19.9% of the adult men (10.8%-30.1% of the men investigated in each village) had hydrocele. Although the overall prevalence of microfilaraemia in the study villages had not changed much since earlier studies in the 1970s, both prevalence and intensity varied distinctly between the study villages. Such geographical variation over relatively short distances appears to be a common but seldom demonstrated feature in the epidemiology of bancroftian filariasis, and the focal nature of the geographical distribution should be carefully considered by those mapping the disease.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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