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4.
Article Dans Anglais | IMSEAR | ID: sea-24481

Résumé

Susceptibility tests were conducted on the adults of five species of mosquito vectors of Japanese encephalitis (JE) viz., Culex tritaeniorhynchus, C. vishnui, C. pseudovishnui, C. gelidus and C. fuscocephala from Kolar district, Karnataka during 1990-91 against organo chloride compounds (DDT 4%, dieldrin 4%), organo phosphate compounds (malathion 5%, fenitrothion 1.0%), carbamate (propoxur 0.1%) and pyrethroid (deltamethrin--OMS 0.025%). All the five species were found susceptible to malathion. C. tritaeniorhynchus was resistant to DDT, dieldrin and fenitrothion; C. vishnui was also susceptible to fenitrothion and propoxur; C. pseudovishnui was resistant to dieldrin but it was susceptible to fenitrothion and propoxur. C. gelidus and C. fuscocephala were susceptible to dieldrin, fenitrothion and propoxur. Deltamethrin did not exhibit a good adulticidal effect except for C. pseudovishnui and C. fuscocephala. However, verifications are required to determine the susceptibility status of C. vishnui, C. pseudovishnui, C. gelidus and C. fuscocephala against DDT, C. tritaeniorhynchus against propoxur and C. vishnui against dieldrin.


Sujets)
Animaux , Culex , Encéphalite japonaise/transmission , Femelle , Humains , Inde , Vecteurs insectes , Insecticides
5.
Article Dans Anglais | IMSEAR | ID: sea-93198

Résumé

Pericardiocentesis was performed in 20 patients using a 7F diagnostic catheter in a cardiac catheterisation laboratory under fluoroscopic control, with haemodynamic and electrocardiographic monitoring. This technique offers several advantages over the bedside technique which utilises a sharp needle. The technique utilised for percutaneous aspiration is safe and simple and allows complete drainage of fluid. The haemodynamic monitoring before and after drainage aids in detecting cases of effusive constriction.


Sujets)
Adolescent , Adulte , Fonction auriculaire droite/physiologie , Pression sanguine/physiologie , Tamponnade cardiaque/physiopathologie , Enfant , Enfant d'âge préscolaire , Femelle , Cathétérisme cardiaque , Hémodynamique/physiologie , Humains , Mâle , Adulte d'âge moyen , Monitorage physiologique , Épanchement péricardique/thérapie , Techniques de fenêtre péricardique , Ponctions , Fonction ventriculaire droite/physiologie
6.
Article Dans Anglais | IMSEAR | ID: sea-17213

Résumé

Tests conducted on the adults of C. tritaeniorhynchus in Goa during 1988-89 against organochlorine, organophosphate and carbamate insecticides showed that the LC50 values against DDT and dieldrin after 1 h of exposure were 2.2 and 1.2 per cent respectively. The LT50 values against malathion (5%), fenitrothion (1%) and propoxur (0.1%) were 19, 22 and 35 min respectively. Thus, taking into consideration the base-line data available for C. quinquefasciatus, the species can be considered susceptible to dieldrin, malathion, fenitrothion and propoxur. However, the results with DDT were equivocal and require verification.


Sujets)
Animaux , Carbamates , Culex , Femelle , Hydrocarbures chlorés , Inde , Vecteurs insectes , Insecticides , Composés organiques du phosphore
7.
Article Dans Anglais | IMSEAR | ID: sea-25662

Résumé

A strain of Japanese encephalitis virus was isolated from a pool of 54 female C. pseudovishnui Colless, 1957. The mosquitoes were collected in August 1988 during the period of epidemic of JE. This is the first report of isolation of JE virus from mosquitoes in Goa in the western coastal belt of peninsular India. In view of this isolation, C. pseudovishnui acquires greater importance, even though its density and relative prevalence during the current study was found to be far lower than C. tritaeniorhynchus.


Sujets)
Animaux , Culex/microbiologie , Virus de l'encéphalite japonaise (espèce)/isolement et purification , Femelle , Inde , Vecteurs insectes/microbiologie
20.
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