Rhodococcus equi and HIV-1 Infection in Uganda
Identifieur interne : 001B54 ( Main/Exploration ); précédent : 001B53; suivant : 001B55Rhodococcus equi and HIV-1 Infection in Uganda
Auteurs : K. J. Gray [Ouganda] ; N. French [Ouganda] ; E. Lugada [Ouganda] ; C. Watera [Ouganda] ; C. F. Gilks [Royaume-Uni]Source :
- Journal of Infection [ 0163-4453 ] ; 2000.
Abstract
Objectives: To describe three cases of Rhodococcus equi infection in a cohort of HIV-1 infected adults in Entebbe, Uganda and to compare this to the rates and presentation of tuberculosis in this cohort. Methods: Consecutive HIV-1 infected adults registering with a community HIV/AIDS clinic in Entebbe were enrolled in a cohort between October 1995 and June 1998 as part of an intervention trial of pneumococcal polysaccharide vaccine. Participants were routinely reviewed every 6 months and had open access to the clinic when unwell. Standard protocols were followed for investigation and management of illness. Microbiological investigations followed standard procedures. Results: 1372 (71% female) study participants were followed for 2141 person years of observation (pyo). Rhodococcus equi was isolated from three study participants from blood, a lymph node aspirate and stool. The individuals were undergoing investigation of acute pneumonia, acute cough with cervical lymphadenopathy and chronic fever with wasting, respectively. The clinical features of these cases are described. All had a CD4 T-cell count of <300/ml. The rate of R. equi infection in the cohort was 1.4/1000 pyo. There were 132 cases of pulmonary and extrapulmonary tuberculosis in the cohort which were diagnosed either microbiologically or clinically. The rate of laboratory confirmed mycobacterial disease was 50.1/1000 pyo. The ratio of mycobacterial disease to R. equi disease was 36:1 (95% CI 11–113:1). Conclusions: Rhodococcus equi infection occurs in HIV-1 infected adults in Africa. The infection is clinically indistinguishable from pulmonary and extra-pulmonary tuberculosis in the cohort described here. Although the rate of R. equi disease is much less than that of tuberculosis, it is important to consider it in the differential diagnosis of tuberculous infection in cases which are smear negative. Rhodococcus equi infection is probably underdiagnosed in Africa due to a lack of microbiological facilities and its resemblance to common commensal organisms.
Url:
DOI: 10.1053/jinf.2000.0730
Affiliations:
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Gray</name><affiliation wicri:level="1"><country xml:lang="fr">Ouganda</country><wicri:regionArea>MRC Programme on AIDS, Entebbe</wicri:regionArea><wicri:noRegion>Entebbe</wicri:noRegion></affiliation></author><author><name sortKey="French, N" sort="French, N" uniqKey="French N" first="N." last="French">N. French</name><affiliation wicri:level="1"><country xml:lang="fr">Ouganda</country><wicri:regionArea>MRC Programme on AIDS, Entebbe</wicri:regionArea><wicri:noRegion>Entebbe</wicri:noRegion></affiliation></author><author><name sortKey="Lugada, E" sort="Lugada, E" uniqKey="Lugada E" first="E." last="Lugada">E. Lugada</name><affiliation wicri:level="1"><country xml:lang="fr">Ouganda</country><wicri:regionArea>MRC Programme on AIDS, Entebbe</wicri:regionArea><wicri:noRegion>Entebbe</wicri:noRegion></affiliation></author><author><name sortKey="Watera, C" sort="Watera, C" uniqKey="Watera C" first="C." last="Watera">C. 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Gilks</name><affiliation wicri:level="1"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Liverpool School of Tropical Medicine, Liverpool</wicri:regionArea><wicri:noRegion>Liverpool</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Infection</title><title level="j" type="abbrev">YJINF</title><idno type="ISSN">0163-4453</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="2000">2000</date><biblScope unit="volume">41</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="227">227</biblScope><biblScope unit="page" to="231">231</biblScope></imprint><idno type="ISSN">0163-4453</idno></series><idno type="istex">3E49793C823DE071EE139C683698B015EFF0F22A</idno><idno type="DOI">10.1053/jinf.2000.0730</idno><idno type="PII">S0163-4453(00)90730-8</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0163-4453</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Objectives: To describe three cases of Rhodococcus equi infection in a cohort of HIV-1 infected adults in Entebbe, Uganda and to compare this to the rates and presentation of tuberculosis in this cohort. Methods: Consecutive HIV-1 infected adults registering with a community HIV/AIDS clinic in Entebbe were enrolled in a cohort between October 1995 and June 1998 as part of an intervention trial of pneumococcal polysaccharide vaccine. Participants were routinely reviewed every 6 months and had open access to the clinic when unwell. Standard protocols were followed for investigation and management of illness. Microbiological investigations followed standard procedures. Results: 1372 (71% female) study participants were followed for 2141 person years of observation (pyo). Rhodococcus equi was isolated from three study participants from blood, a lymph node aspirate and stool. The individuals were undergoing investigation of acute pneumonia, acute cough with cervical lymphadenopathy and chronic fever with wasting, respectively. The clinical features of these cases are described. All had a CD4 T-cell count of <300/ml. The rate of R. equi infection in the cohort was 1.4/1000 pyo. There were 132 cases of pulmonary and extrapulmonary tuberculosis in the cohort which were diagnosed either microbiologically or clinically. The rate of laboratory confirmed mycobacterial disease was 50.1/1000 pyo. The ratio of mycobacterial disease to R. equi disease was 36:1 (95% CI 11–113:1). Conclusions: Rhodococcus equi infection occurs in HIV-1 infected adults in Africa. The infection is clinically indistinguishable from pulmonary and extra-pulmonary tuberculosis in the cohort described here. Although the rate of R. equi disease is much less than that of tuberculosis, it is important to consider it in the differential diagnosis of tuberculous infection in cases which are smear negative. Rhodococcus equi infection is probably underdiagnosed in Africa due to a lack of microbiological facilities and its resemblance to common commensal organisms.</div></front></TEI><affiliations><list><country><li>Ouganda</li><li>Royaume-Uni</li></country></list><tree><country name="Ouganda"><noRegion><name sortKey="Gray, K J" sort="Gray, K J" uniqKey="Gray K" first="K. J." last="Gray">K. J. Gray</name></noRegion><name sortKey="French, N" sort="French, N" uniqKey="French N" first="N." last="French">N. French</name><name sortKey="Lugada, E" sort="Lugada, E" uniqKey="Lugada E" first="E." last="Lugada">E. Lugada</name><name sortKey="Watera, C" sort="Watera, C" uniqKey="Watera C" first="C." last="Watera">C. Watera</name></country><country name="Royaume-Uni"><noRegion><name sortKey="Gilks, C F" sort="Gilks, C F" uniqKey="Gilks C" first="C. F." last="Gilks">C. F. Gilks</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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