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Year : 2019  |  Volume : 12  |  Issue : 6  |  Page : 288-290

Community-acquired pneumonia with Acinetobacter radioresistens bacteremia in an immunocompetent host: A case report

1 Department of Respiratory and Critical Care Medicine, Changi General Hospital, 529889, Singapore
2 Department of Infectious Diseases, Changi General Hospital, 529889, Singapore

Correspondence Address:
Yi Hern Tan
Senior Resident, Singhealth Residency Respiratory Medicine, Department of Respiratory and Critical Care Medicine, Changi General Hospital
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1995-7645.261308

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Rationale: Acinetobacter radioresistens is a non-fermentative Gram-negative coccobacillus that is environmentally ubiquitous and is an uncommon cause of pneumonia in an immunocompetent patient with no known chronic medical illness. Patient concerns: A middle-aged Asian male with a smoking history presented with fever and cough. Physical examination was unremarkable. Chest imaging was consistent with pulmonary parenchymal infection and blood culture grew Acinetobacter radioresistens. Diagnosis: Community acquired pneumonia with Acinetobacter radioresistens bacteremia. Interventions: The patient received a combination of intravenous and oral ampicillin-sulbactam over 2 weeks. Outcomes: Repeat blood cultures showed resolution of bacteremia. Completion of antimicrobial treatment saw resolution of respiratory symptoms and radiological pneumonic changes. Lessons: Acinetobacter radioresistens causing community-acquired pneumonia in an immunocompetent host has never been described before. It may be a novel emerging infectious agent in pulmonary infections. Its clinical course in this immunocompetent patient appears to be relatively benign.

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