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Results for “NOCARDIA INFECTIONS”

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PubMed1984

Pleural and extrapleural disease in Nocardia infections.

Pulmonary nocardiosis occurs most commonly in immunocompromised patients. Pleural involvement may be seen on a chest radiograph and may provide a clue as to the etiology of the infection, particularly if subcutaneous nodules or bone or joint symptoms are also present.

Adult↗
PubMed1987

Detection of metabolites by frequency-pulsed electron capture gas-liquid chromatography in serum and cerebrospinal fluid of a patient with Nocardia infection.

Serum (SR) and cerebrospinal fluid (CSF) from a patient suspected of having tuberculous meningitis were submitted to our laboratory for analysis by frequency-pulsed electron capture gas-liquid chromatography (FPEC GLC). The samples were tested for the presence of carboxylic acids, alcohols, hydroxy acids, and amines by methods described previously (C. C. Alley, J. B. Brooks, and D. S. Kellogg, Jr., J. Clin. Microbiol. 9:97-102, 1977; J. B. Brooks, C. C. Alley, and J. A. Liddle, Anal. Chem. 46:1930-1934, 1974; J. B. Brooks, D. S. Kellogg, Jr., M. E. Shepherd, and C. C. Alley, J. Clin. Microbiol. 11:45-51, 1980; J. B. Brooks, D. S. Kellogg, Jr., M. E. Shepherd, and C. C. Alley, J. Clin. Microbiol. 11:52-58, 1980). The results were different from previous FPEC GLC profiles of SR and CSF from patients with known tuberculous meningitis. Both the SR and CSF contained several unidentified compounds that were not previously detected in tuberculous meningitis or any of our other studies of body fluids. Nocardia brasiliensis was later isolated from the patient. Detection of these metabolites by FPEC GLC could prove to be useful for rapid diagnosis of Nocardia disease, and their identification will provide a better understanding of metabolites produced by Nocardia sp. in vivo.

Amines↗
PubMed2003

Clinical experience with linezolid for the treatment of nocardia infection.

Linezolid is an oxazolidinone that has activity against most gram-positive bacteria, including in vitro activity against all Nocardia species and strains. We describe 6 clinical cases of nocardiosis that were successfully treated with linezolid. Two patients had underlying X-linked chronic granulomatous disease, and 2 patients were receiving chronic corticosteroid therapy. Four of 6 patients had disseminated disease, and 2 of these 4 patients had multiple brain abscesses. Four patients primarily received monotherapy; for the fifth patient, linezolid was added to a failing multiple-drug regimen, and, for the sixth patient, it was used as part of combination therapy. All 6 patients were successfully treated, although 1 patient had a presumed relapse of central nervous system infection after premature discontinuation of the drug. Linezolid appears to be an effective alternative for the treatment of nocardiosis.

Acetamides↗
PubMed2006

PET imaging of cerebral and pulmonary Nocardia infection.

We report the case of a 69-year-old man who was suspected to have lung cancer with a single metastasis to the brain. Initial workup for neurologic and pulmonary symptoms demonstrated a ring-enhancing lesion in his right frontal lobe on MRI and a lung mass on CT. An F-18 fluorodeoxyglucose positron emission tomography (FDG PET) scan demonstrated marked glucose hypermetabolism in the lung and brain lesions with maximal standard uptake values (SUV) in both lesions of approximately 11. Biopsy of the brain mass revealed an abscess and cultures grew Nocardia. He was treated for nocardiosis, and a repeat CT of the chest in 2 months and MRI of the brain in 5 months showed nearly complete resolution of the lesions. Currently, there are few reported cases of PET evaluation of brain abscesses, particularly Nocardia. We discuss the appearance of brain infections on FDG PET scans in immunocompetent and immunocompromised patients.

Aged↗
PubMed1986

Nocardia brasiliensis skin infections.

Nocardia brasiliensis skin infections were diagnosed in three patients (two with mycetoma and one with lymphocutaneous syndrome) in our hospital during the last 6 years. The mycetomas were detected in otherwise healthy Yemenite immigrants who had acquired their infection while in Yemen. The patient with the lymphocutaneous syndrome--a man with well-controlled diabetes mellitus--acquired his illness in Israel. N. brasiliensis appears to be more common in our region than previously believed. This organism should be considered a possible etiologic agent in some cases of chronic unresponsive skin infection.

Aged↗
PubMed2000

Subretinal abscess due to Nocardia farcinica infection.

PURPOSE: Nocardia infection of the eye is uncommon. A case of choroidal abscess due to Nocardia farcinica infection is presented, and the literature is reviewed. METHODS: A 41-year-old immunocompromised man with chronic myeloid leukemia developed a unilateral choroidal abscess. N. farcinica was isolated from a simultaneous subcutaneous abscess and both infections responded to systemic sulfonamide therapy. RESULTS: Three weeks after discontinuation of the sulfonamides, the choroidal abscess recurred with involvement of the vitreous. The infection was brought under control after reinstitution of the same drug. CONCLUSIONS: Nocardiosis is a multisystem disease that has high mortality and ocular morbidity rates. The eyes of immunocompromised patients should be examined frequently as early detection and administration of the proper antibiotics may reduce the risk of this life-threatening infection.

Abscess↗
PubMed1977

Disseminated Nocardia caviae infection.

Disseminated Nocardia caviae infection occurs only rarely. To date, two cases have been recorded in the literature. We describe a third case of systemic N. caviae infection in a compromised host and compare it with the first two cases. Postmortem, microbiologic and antibiotic sensitivity data are included.

Abscess↗