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4.
Article Dans Anglais | IMSEAR | ID: sea-20474

Résumé

BACKGROUND & OBJECTIVE: Although the re-emergence of spotted fevers and typhus was documented from southern India a few years ago, there was a paucity of community based data. Therefore a collaborative study was carried out in several districts of Tamil Nadu to understand the distribution of these infections. METHODS: Blood (3 ml) was collected from patients presenting to primary health centres (PHCs) with fever >10 days duration in 15 districts of Tamil Nadu during January 2004 to December 2005. Patients negative for malaria, were tested by Weil-Felix test. Clinical data were collected from patients visiting two hospitals. RESULTS: A total 306 samples were tested in 2004 and 115 (37.5%) had titres of >or=80 with OX K antigen, suggesting a diagnosis of scrub typhus. During 2005, 964 patients were tested and 89 (9.2%) were positive for scrub typhus. An additional 44 (4.6%) were positive for other rickettsial illnesses. In both years majority of scrub typhus occurred in individuals above 14 yr of age. Cases increased from August until the earlier part of next year. INTERPRETATION & CONCLUSION: This community based study from south India involving several districts in Tamil Nadu, showed that scrub typhus and rickettsial illnesses were widely distributed in the State. Measures to increase awareness and also to diagnose and treat this infection in the affected areas are essential.


Sujets)
Fièvre boutonneuse/diagnostic , Démographie , Humains , Inde/épidémiologie , Rickettsioses/diagnostic , Fièvre fluviale du Japon/diagnostic , Tests sérologiques
5.
Rev. saúde pública ; 39(5): 850-856, out. 2005.
Article Dans Portugais | LILACS, SES-SP | ID: lil-414953

Résumé

O presente artigo é uma atualização sobre a ocorrência e diagnóstico das riquetsioses existentes no Brasil e Portugal, com o objetivo de incentivar e incrementar a vigilância epidemiológica dessas doenças nos dois países. Realizou-se levantamento bibliográfico e foram apresentados dados não publicados de laboratórios e serviços de epidemiologia. Os resultados descreveram a ocorrência das riquetsioses no Brasil e Portugal, inclusive aquelas recém-descritas, advindas de riquétsias de potencial patogênico ainda incerto. Os métodos diagnósticos atualmente empregados foram discutidos. Como em outros países, as riquetsioses parecem assumir crescente importância em saúde pública. Relegadas a um plano secundário por muitas décadas, o interesse por essas infecções tem aumentado nos dois países, mas ainda carece de investigação para esclarecer seu real significado em saúde pública.


Sujets)
Tiques , Maladies transmises par les tiques/diagnostic , Maladies transmises par les tiques/épidémiologie , Fièvre boutonneuse/diagnostic , Fièvre boutonneuse/épidémiologie , Incidence , Rickettsioses/diagnostic , Rickettsioses/épidémiologie , Brésil , Portugal
6.
J Indian Med Assoc ; 2004 Mar; 102(3): 170-1, 173
Article Dans Anglais | IMSEAR | ID: sea-104406

Résumé

A five and half year-old boy presented with an acute febrile illness associated with abdominal pain, generalised myalgia, arthralgia and skin rash. An elder sibling had a similar illness and had expired three days back. Initially crystalline penicillin and chloramphenicol were started. Investigations to diagnose the cause of fever viz, peripheral blood smear for malarial parasite, blood and urine cultures, Widal test and dot-ELISA for leptospirosis were negative. Weil-Felix test revealed a positive OX-2 titre of 1:100. Retrospectively, a history of close contact with dogs was elicited and a tick bite mark on the hand detected. Within five days of antibiotic therapy the fever resolved. Chloramphenicol was given totally for two weeks and the child recovered fully. Rickettsial infection should be considered in a child presenting with an acute febrile illness with skin rash since the response to specific antimicrobial therapy is dramatic and life saving.


Sujets)
Antibactériens/usage thérapeutique , Fièvre boutonneuse/diagnostic , Enfant d'âge préscolaire , Chloramphénicol/usage thérapeutique , Diagnostic différentiel , Humains , Mâle
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