Our experience with 80 cases of SARS-CoV-2-Clostridioides difficile co-infection: An observational study

Victoria Birlutiu1, Elena Simona Dobritoiu1, Claudia Daniela Lupu1

  • 1Faculty of Medicine Sibiu, Lucian Blaga University of Sibiu, Academic Emergency Hospital Sibiu-Infectious Diseases Clinic, Sibiu, Romania. Sibiu, Romania.

Medicine
|July 8, 2022
PubMed

Insights

The study found that while Clostridioides difficile infections (CDIs) were less common during the COVID-19 pandemic, cases were more severe and had higher mortality rates. Early CDI symptom onset correlated with shorter hospital stays.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Critical Care Medicine

Background:

  • The COVID-19 pandemic saw increased antibiotic use, raising concerns about secondary infections like Clostridioides difficile infections (CDIs).
  • SARS-CoV-2 infection alters gut microbiota, potentially increasing susceptibility to CDIs.
  • Understanding the interplay between SARS-CoV-2 and CDI is crucial for patient management.

Purpose of the Study:

  • To investigate the characteristics and outcomes of patients with concurrent SARS-CoV-2 pneumonia and Clostridioides difficile infections.
  • To assess the impact of CDI on hospitalization duration and severity in COVID-19 patients.

Main Methods:

  • Retrospective analysis of 80 patients with SARS-CoV-2 pneumonia and CDI.
  • Data collected included hospitalization length, time to CDI symptom onset, patient demographics, and COVID-19 severity.
  • Comparison of outcomes based on timing of CDI symptoms and prior antibiotic exposure.

Main Results:

  • The mean hospitalization stay was 19.63 days, with CDI symptoms appearing a median of 5.16 days after admission.
  • Patients with earlier CDI symptom onset had significantly shorter hospital stays.
  • Recovered patients were significantly younger.
  • Antibiotic-exposed patients had higher rates of CDI symptoms and severe/critical COVID-19.
  • Despite lower incidence, CDI cases during the pandemic showed increased severity and mortality.

Conclusions:

  • Clinicians must remain vigilant for CDI in patients hospitalized with SARS-CoV-2, especially those with prior antibiotic exposure.
  • Concurrent CDI significantly impacts COVID-19 patient outcomes, increasing severity and mortality.
  • Early recognition and management of CDI are vital in the context of SARS-CoV-2 infection.

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