Pneumocystis jirovecii Infections among COVID-19 Patients: A Case Series and Literature Review

Paul Amstutz, Nathan C. Bahr, Karen Snyder, D. Matthew Shoemaker

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Background: Pneumocystis jirovecii pneumonia (PCP) is a serious, emerging complication of coronavirus disease 2019 (COVID-19). Methods: We performed a systematic review of published cases. We describe 6 new cases of PCP/COVID-19 coinfection. Among our cases (n = 6) and those in the literature (n = 69) with available data, the median age (interquartile range [IQR]) was 59 (44-77) years (n = 38), 72% (47/65) were male, and the mortality rate was 30.9% (21/68). Results: Long-Term corticosteroid use was noted in 45.1% (23/51), advanced HIV infection (defined as a CD4 count <200 cells/μL) in 17.6% (9/51), and antineoplastic chemotherapy in 13.7% (7/51), consistent with known PCP risk factors. Notably, 56.7% (38/47) had verifiable risk factors for PCP (high-dose corticosteroids, immunosuppressive therapy, and HIV infection) before COVID-19 infection. A median absolute lymphocyte count (IQR) of 0.61 (0.28-0.92) ×103cells/mm3 (n = 23) and CD4 count (IQR) of 66 (33-291.5)cells/mm3 (n = 20) were also discovered among the study population. Conclusions: These findings suggest a need for greater attention to PCP risk factors among COVID-19 patients and consideration of PCP prophylaxis in these high-risk populations.

Original languageEnglish (US)
Article numberofad043
JournalOpen Forum Infectious Diseases
Volume10
Issue number2
DOIs
StatePublished - Feb 1 2023
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2023 The Author(s). Published by Oxford University Press on behalf of Infectious Diseases Society of America.

Keywords

  • COVID-19
  • PCP
  • Pneumocystis jirovecii
  • coinfection
  • immunocompromised
  • invasive fungal infections
  • pneumocystis

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