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Invasive Fungal Infections Associated with COVID-19

Kyaw M Hlaing1, Lea M Monday1, Marcio Nucci2

  • 1Division of Infectious Diseases, Wayne State University School of Medicine, Detroit, MI 48201, USA.

Journal of Fungi (Basel, Switzerland)
|June 27, 2023
PubMed

Insights

Fungal infections like invasive aspergillosis complicated severe COVID-19, increasing mortality. Early diagnosis and antifungal therapy are crucial for better outcomes in critically ill patients.

Area of Science:

  • Infectious Diseases
  • Critical Care Medicine
  • Mycology

Background:

  • The COVID-19 pandemic resulted in millions of deaths, frequently due to respiratory failure.
  • Hospitalized patients, especially in intensive care units (ICUs), experienced severe complications.
  • Fungal infections, including invasive aspergillosis, candidiasis, and mucormycosis, significantly contributed to morbidity and mortality.

Purpose of the Study:

  • To highlight the significant burden of fungal infections in COVID-19 patients.
  • To discuss the risk factors and diagnostic challenges associated with these infections.
  • To emphasize the need for early diagnosis and treatment to improve patient outcomes.

Main Methods:

  • Review of clinical data and literature concerning fungal infections in COVID-19 patients.
  • Analysis of risk factors, including viral-induced immune alterations and therapeutic immunosuppression.
  • Evaluation of diagnostic limitations and their impact on patient management.

Main Results:

  • COVID-19 patients, particularly those in ICUs, are at high risk for invasive fungal infections.
  • Risk factors include COVID-19's impact on immune defenses and immunosuppressive therapies.
  • Current diagnostic tests often lack sensitivity, leading to delayed diagnosis.
  • Mortality rates for these fungal infections can exceed 50% in some patient cohorts.

Conclusions:

  • Invasive fungal infections pose a serious threat to critically ill COVID-19 patients.
  • A high index of clinical suspicion is essential for prompt diagnosis.
  • Early initiation of appropriate antifungal therapy is critical for improving survival rates.
Keywords:
COVID-19aspergillosiscandidiasismucormycosis

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