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Case Reports in Pediatrics
Volume 2015, Article ID 860671, 3 pages
Case Report

Rahnella aquatilis Sepsis in a Premature Newborn

1Istanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital, İstanbul, Turkey
2Marmara University School of Medicine, Department of Pediatric Infectious Diseases, İstanbul, Turkey
3Marmara University School of Medicine, Department of Neonatology, İstanbul, Turkey

Received 16 February 2015; Revised 21 April 2015; Accepted 6 May 2015

Academic Editor: Giovanni Montini

Copyright © 2015 Canan Kuzdan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Rahnella aquatilis is an infrequently isolated Gram-negative rod within the Enterobacteriaceae family. The organism’s natural habitat is water. The organism is rarely isolated from clinical specimens and it seldom causes infection in immunocompetent individuals. Here we present a one-month-old boy who was born prematurely at 27th week of gestation by cesarean section with a birth weight of 730 g. He developed sepsis caused by Rahnella aquatilis during the treatment for ventilator associated pneumonia due to Stenotrophomonas maltophilia with ciprofloxacin. He was successfully treated with a combination of amikacin plus meropenem. Although R. aquatilis is one of the saprophyticus organisms, it may cause life-threatening infection in newborn.