Mediastinitis superinfected by Achromobacter xylosoxidans. A case report.

J Infect Chemother

Department of Cardiothoracic Surgery, CHU of Martinique, Fort-de-France, Martinique.

Published: December 2018

AI Article Synopsis

  • The case details a rare incidence of mediastinitis that became superinfected with Achromobacter xylosoxidans after a patient underwent mitral and aortic valve replacement.* -
  • Initially, the patient developed mediastinitis caused by Staphylococcus aureus, which was treated with antibiotics; however, Achromobacter xylosoxidans was later discovered during pus analysis.* -
  • Despite initial control of the Staphylococcus aureus infection, the patient's condition worsened when blood cultures showed Achromobacter xylosoxidans again, ultimately leading to septic shock and death.*

Article Abstract

We describe an extremely rare case of mediastinitis superinfected by emerging Achromobacter xylosoxidans. After mitral and aortic valves replacement, the patient first developed a Staphylococcus aureus mediastinitis, and five days after starting adapted antibiotic therapy, superficial pus analysis revealed the presence of Achromobacter xylosoxidans. This superinfection was considered superficial and focus was made on Staphylococcus aureus mediastinitis. Three weeks later, no more Staphylococcus aureus was found in pus samples and the sepsis seemed under control. Unfortunately, blood cultures were again positive for Achromobacter xylosoxidans three weeks later and the patient died from septic shock.

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Source
http://dx.doi.org/10.1016/j.jiac.2018.05.005DOI Listing

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