Resumo

DE LA PAZ BERMUDEZ, Tania et al. Pneumonia caused by Rhodococcus equi: clinical and radiological findings in 8 AIDS patients. Rev Cubana Med Trop [online]. 2010, vol.62, n.3, pp. 207-211. ISSN 1561-3054.

INTRODUCTION: the Rhodococcus equi is one bacterium of the order Actinomycetales. It rarely appears in humans, but the HIV/AIDS epidemic has increased the number of cases and the main affected organ is the lung. It causes pneumonia characterized by a slow clinical and radiological progression. OBJECTIVE: to describe the initial radiological alterations from R. equi infection in 8 AIDS patients, the radiological evolution and the clinical and immunological presentation. METHODS: a retrospective descriptive study of radiological pulmonary images from AIDS patients with respiratory infection due to Rhodococcus equi was conducted. RESULTS: these patients presented with high fever (39^oC), cough with expectoration and shortness of breath. Homogeneous opacity was the most frequent radiological presentation (62,5% of cases), located predominantly in the lower lobules. The radiological evolution was characterized by opacity with inner cavitation in 4 cases, fibrosis in 4 cases, and one case showed total recovery of lesions. The CD4+ T-cell count was low in all the patients. The evolution ranged from 2 to 33 months. CONCLUSIONS: the R equi pneumonia diagnosis should be borne in mind when dealing with HIV/AIDS patients with compromised immunological condition and breathing process with radiological manifestation of pulmonary consolidation evolving into cavitation, and torpid and prolonged clinical and radiological evolution.

Palavras-chave : AIDS; Rhodoccocus equi; pneumonia; lung infection; radiology.

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