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Pneumocystis pneumonia in the COVID-19 pandemic era: similarities and challenges

Magdalena Szydłowicz1, Olga Matos2

  • 1Department of Biology and Medical Parasitology, Wroclaw Medical University, 50-345 Wroclaw, Poland.

Trends in Parasitology
|August 8, 2021
PubMed

Insights

Pneumocystis pneumonia and COVID-19 present similar symptoms, creating diagnostic challenges. This study explores coinfection with Pneumocystis jirovecii and SARS-CoV-2, highlighting immunosuppression

Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Pulmonology

Background:

  • Pneumocystis pneumonia (PCP) clinical presentation mimics COVID-19.
  • The COVID-19 pandemic has complicated the diagnosis of opportunistic infections like PCP.
  • Immunosuppression is a critical factor in both conditions.

Purpose of the Study:

  • To address the diagnostic challenge posed by overlapping symptoms of PCP and COVID-19.
  • To discuss the implications of Pneumocystis jirovecii and SARS-CoV-2 coinfection.
  • To propose a diagnostic strategy for suspected coinfection.

Main Methods:

  • Literature review and clinical case analysis.
  • Comparison of clinical and radiological features of PCP and COVID-19.
  • Evaluation of diagnostic pathways for respiratory infections in immunocompromised patients.

Main Results:

  • Overlapping clinical and radiological findings between PCP and COVID-19 can lead to misdiagnosis.
  • Coinfection with P. jirovecii and SARS-CoV-2 is a significant concern, particularly in immunosuppressed individuals.
  • Diagnostic delays can negatively impact patient outcomes.

Conclusions:

  • Distinguishing PCP from COVID-19 requires a high index of suspicion and targeted diagnostic approaches.
  • A suggested diagnostic pathway can aid clinicians in identifying coinfection.
  • Management strategies should consider the specific pathogen and patient's immune status.
Keywords:
COVID-19Pneumocystis jiroveciiSARS-CoV-2pneumonia

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