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1.
Rev. Inst. Med. Trop. Säo Paulo ; 49(3): 135-138, May-June 2007. tab
Article in English | LILACS | ID: lil-454759

ABSTRACT

Progressive disseminated histoplasmosis (PDH) is an increasingly common cause of infection in patients with acquired immune deficiency syndrome (AIDS). We report 21 cases of PDH associated with AIDS diagnosed by lysis-centrifugation blood culture method. The most prevalent clinical findings were fever, weight loss, respiratory symptoms, and mucocutaneous lesions. Chest roentgenogram showed diffuse pulmonary infiltrates in 13 of 21 patients (62 percent). Brochoalveolar fluid has yelded positive culture in four patients only in medium with cycloheximide.


Histoplasmose progressiva disseminada (HPD) tem aumentado e é causa comum de infecção em pacientes com síndrome da imunodeficiência adquirida (Aids). Relatamos 21 casos de HPD associado com Aids diagnosticada pela técnica de hemocultivo por lise-centrifugação. Os achados clínicos mais prevalentes foram febre, perda de peso, sintomas respiratórios e lesões mucocutâneas. Raios X de tórax mostrou infiltrados pulmonares difusos em 13 dos 21 pacientes (62 por cento). Amostras de lavado broncoalveolar foram positivos em apenas 4 pacientes através de meio com cicloheximida.


Subject(s)
Humans , Male , Female , Adult , AIDS-Related Opportunistic Infections/diagnosis , Blood/microbiology , Fungemia/diagnosis , Histoplasma/isolation & purification , Histoplasmosis/diagnosis , AIDS-Related Opportunistic Infections/microbiology , Culture Techniques , Centrifugation/methods , Fungemia/microbiology , Histoplasma/classification , Histoplasmosis/microbiology
2.
Rev. Inst. Med. Trop. Säo Paulo ; 49(3): 201-202, May-June 2007. tab
Article in English | LILACS | ID: lil-454771

ABSTRACT

In regions with high prevalence, Blastocystis hominis is frequently found in association with Entamoeba histolytica/E. dispar in xenic cultures. Its exacerbated growth is often superimposed on the growth of amebas, thus impeding the continuation of the amebas in the culture, within a few generations. The present study reports on the excellent efficacy (100 percent) of the antifungal agent miconazole in eliminating B. hominis from cultures of E. histolytica/E. dispar, thereby maintaining the integrity of the trophozoites of the amebas. Nystatin presented low efficacy (33.3 percent).


Em regiões de alta prevalência, Blastocystis hominis é freqüentemente encontrado em associação com Entamoeba histolytica/E. dispar em cultivos xênicos. Seu crescimento exacerbado se sobrepõe muitas vezes ao das amebas, impedindo a manutenção destas em cultura, dentro de poucas gerações. O presente estudo relata a excelente eficácia (100 por cento) do antifúngico miconazol na eliminação de B. hominis dos cultivos de E. histolytica/E. dispar, mantendo-se a integridade dos trofozoítos das amebas. A nistatina apresentou eficácia baixa (33,3 por cento).


Subject(s)
Humans , Animals , Antifungal Agents/pharmacology , Blastocystis hominis/drug effects , Culture Media , Entamoeba/growth & development , Miconazole/pharmacology , Entamoeba histolytica/growth & development , Microbial Sensitivity Tests
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