期刊
INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
卷 9, 期 3, 页码 154-158出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijid.2004.06.011
关键词
nocardiosis; Nocardia; opportunistic infection
Objective: Nocardiosis is a common opportunistic infection found in both immunocompromised and immunocompetent patients. The clinical manifestations, underlying diseases, radiologic findings, antimicrobial susceptibility and treatment of nocardial infection are presented here. Method: A retrospective study at Srinagarind Hospital, Khon Kaen in Thailand was performed. Medical records from 1996-2001 were reviewed. Results: There were 81 cases of nocardiosis during the study period but data of only 70 cases were available. 80% of cases were mate. The mean age was 39.7 +/- 14.9 years. Underlying diseases were found in 80%, of which HIV infection was the most common (34.3%). The common clinical findings were fever, cough, and cutaneous abscess. The most common clinical syndrome was pleuropulmonary infection (44.3%), followed by skin and soft tissue infection (22.8%). Multiorgan dissemination was found in 11.4% of cases. The chest X-rays were abnormal in 46 cases (65.7%); alveolar and reticulonodular infiltration was common. Only 70% had positive cultures for Nocardia spp. The resistance rate of Nocardia isolates to trimethoprim-sulfamethoxazole (TMP-SMX) was very high (57.9%) in this study. Most of the patients (85.7%) were treated with antimicrobials, of which TMP-SMX was commonly used. In-hospital mortality was 20%. Most of the cases who died had dissemination, brain abscesses or infection with TMP-SMX-resistant strains. The long-term prognosis was good, with a treatment success rate of 93.75%. Conclusion: Nocardiosis is a common opportunistic infection in many immunocompromised conditions. It can present with various clinical syndromes, especially pleuropulmonary infection. Culture may not yield the organism but modified acid-fast staining is very helpful. in diagnosis. Drug susceptibility testing should be performed due to increasing resistance to TMP-SMX. (c) 2005 International Society for Infectious Diseases. Published by Elsevier Ltd. All rights reserved.
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