Nosocomial Klebsiella pneumoniae Infection: Clinical and Hygienic Measures in a Neonatal Intensive Care Unit

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Abstract
An outbreak in a neonatal intensive care nursery of severe infections caused by Klebsiella pneumoniae type K-17 has been studied. Over a 9-month period 20 epidemiological!) linked cases of severe septicemia, meningitis and pneumonia were diagnosed. The specific epidemic strain could be identified. After introduction of a policy of hygienic measures the nosocomial infection could be eradicated although colonization still occurred. Thorough handwashing before and after the nursing care of each infant, individual gowning and disposable gloves in the care of infants below 1500 g were important. The changing bacterial ecology of a neonatal unit should be followed closely by weekly routine throat cultures as well as by cultures of incubators and ventilation equipment. The present investigation has shown the importance of this procedure, which is mandatory for appropriate choice of antimicrobial agents when treating infections in critically ill or very low birth weight infants in the neonatal intensive care unit. Prophylactic antimicrobial treatment is not indicated. Control of K. pneumoniae nosocomial infections can only be achieved by maintaining a high standard of hygiene in the neonatal care.