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Severe Acute Infection Due to Serratia marcescens Causing Respiratory Distress in An Immunocompetent Adult

Pablo Ruiz-Sada, Mikel Escalante, Eva Lizarralde

    Romanian Journal of Internal Medicine = Revue Roumaine De Medecine Interne
    |June 29, 2016
    PubMed

    Insights

    Serratia marcescens, an opportunistic pathogen, rarely causes serious community-acquired infections. This case highlights a rare instance of bacteremia leading to Respiratory Distress Syndrome in a healthy individual.

    Area of Science:

    • Microbiology
    • Infectious Diseases
    • Critical Care Medicine

    Background:

    • Serratia marcescens has transitioned from a saprophyte to an opportunistic pathogen.
    • It is frequently implicated in nosocomial, device-associated infections.
    • Invasive community-acquired infections are exceptionally rare.

    Observation:

    • A previously healthy 51-year-old male presented with community-acquired Serratia marcescens bacteremia.
    • The patient developed severe Respiratory Distress Syndrome.
    • No specific risk factors for infection were identified.

    Findings:

    • This presentation represents an extremely uncommon manifestation of Serratia marcescens infection.
    • The patient experienced a full recovery with conservative management.
    • Recovery involved a three-day observation period in the Intensive Care Unit (ICU).

    Implications:

    • This case underscores the potential for Serratia marcescens to cause severe, unexpected infections in healthy individuals.
    • It highlights the importance of considering unusual pathogens in community-acquired infections.
    • Further research into risk factors and management of such rare presentations may be warranted.

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