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[Pulmonary nocardiosis in a patient who was a chronic corticosteroid user]
Renata Maria Ferreira Brasileiro1, André Carvalho Caribe de Araújo Pinho, Catarine Silva Medeiros
1Serviço de Clínica Médica, Hospital Heliópolis, São Paulo, SP.
Abstract:
Pulmonary nocardiosis is an infrequent and severe infection caused by Nocardia spp. These are microorganisms that may behave both as opportunists and as primary pathogens, and they may present as either acute or suppurative chronic disorders. We report on the case of a 49-year-old man with idiopathic thrombocytopenic purpura that was being treated with corticosteroids. He developed pulmonary infection due to Nocardia farcinica, which was isolated from blood cultures. Despite correct treatment with trimethoprim-sulfamethoxazole, the patient died three months after this therapy was instituted.
Insights
Pulmonary nocardiosis, a severe infection caused by Nocardia spp., can be fatal even with appropriate treatment. This case highlights the aggressive nature of Nocardia farcinica in immunocompromised patients.
Area of Science:
- Medicine
- Infectious Diseases
- Pulmonology
Background:
- Pulmonary nocardiosis is a rare but serious infection caused by Nocardia species.
- Nocardia species can act as opportunistic or primary pathogens, leading to acute or chronic infections.
Observation:
- A 49-year-old male patient with idiopathic thrombocytopenic purpura, undergoing corticosteroid therapy, developed a pulmonary infection.
- Nocardia farcinica was identified as the causative agent, isolated from the patient's blood cultures.
Findings:
- Despite receiving appropriate treatment with trimethoprim-sulfamethoxazole, the patient's condition did not improve.
- The patient unfortunately succumbed to the infection three months after the initiation of antibiotic therapy.
Implications:
- This case underscores the critical and potentially fatal nature of pulmonary nocardiosis, particularly in immunocompromised individuals.
- It highlights the challenges in treating Nocardia farcinica infections and suggests a need for vigilance and potentially novel therapeutic strategies.
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