Résumé
Klebsiella pneumoniae is the prerogative of nosocomial infections. Rarely Community lung infection by a strain of Klebsiella pneumoniae producing extended-spectrum beta-lactamase have been reported. We report a case of a case of pyopneumothorax due to infection by Community Klbsiella pneumoniae producing extended spectrum beta lactamase in a young patient of 29 years bacteriological examinations of pleural fluid drainage made the admission of the patient during his stay in intensive care have resulted in a K pneumoniae isolate producing extended spectrum beta lactamases. Despite treatment with imipenem and colistin prescribe 48 hours after admission of our patient, the evolution was fatal with death of the patient in an array of multi-visceral failure at 21 days of hospitalization. The isolation of an extended-spectrum beta-lactamase strain is often responsible for a fatal outcome, think about when you're facing a particular field, in the presence of risk factors such as outpatient antibiotic where the need 'control' strategy