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Infectious Disorders - Drug Targets

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ISSN (Print): 1871-5265
ISSN (Online): 2212-3989

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Review Article

Ralstonia Mannitolilytica, an Unusual Pathogen in the Neonatal Intensive Care Unit: A Case of Neonatal Sepsis and Literature Review

Author(s): Panagiotis Lampropoulos*, Despoina Gkentzi, Sotirios Tzifas, Georgia Kapnisi, Ageliki Karatza, Fevronia Kolonitsiou and Gabriel Dimitriou

Volume 21, Issue 2, 2021

Published on: 30 March, 2020

Page: [168 - 172] Pages: 5

DOI: 10.2174/1871526520666200330163504

Price: $65

Abstract

Background: Premature infants are considered high-risk subgroup for neonatal sepsis due to yet defective immune system, interventions practised and synergy of factors favoring multiple resistance of Gram-positive and Gram-negative pathogens to antimicrobial agents.

Case Presentation: We present a case of late-onset neonatal sepsis in a premature infant caused by an uncommon pathogen; a premature infant of extremely low birth weight had in his 4th week of life severe clinical deterioration with lethargy, fever, pallor, mottling, abdominal distention, tachycardia, and worsening respiratory impairment. Full septic screen was performed, broad-spectrum antibiotic therapy was initiated and supportive care per needs was provided. Blood cultures (endotracheal tube tip cultures) isolated meropenem- and gentamicin-resistant strain of rare pathogen Ralstonia mannitolilytica. Ralstonia spp. are aerobic, Gram-negative, lactose non-fermenting, oxidaseand catalase-positive bacilli, thriving in water and soil. Ralstonia spp. are identified only sporadically as causative agents of neonatal sepsis; to our knowledge, this is the second report of neonatal sepsis due to R. mannitolilytica in the literature so far. Our patient was eventually treated (per sensitivity pattern) with intravenous ciprofloxacin and recovered well from the infection.

Conclusion: We intend to raise awareness among neonatologists with regard to early detection of unusual pathogens, the emergence of antibiotic resistance patterns, and the obligation for adherence to infection control policies.

Keywords: Sepsis, bacteraemia, neonate, gram-negative, Ralstonia spp., resistance.

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