Related Experiment Videos
Risk factors for early recurrent Clostridium difficile-associated diarrhea
A N Do1, S K Fridkin, A Yechouron
1Hospital Infections Program, Centers for Disease Control, Atlanta, Georgia 30333, USA.
Summary
Early recurrence of Clostridium difficile-associated diarrhea (CDD) is linked to chronic renal insufficiency, high white blood cell counts, and community-acquired initial infections. Preventing relapse is key for high-risk patients.
Area of Science:
- Infectious Diseases
- Gastroenterology
- Epidemiology
Background:
- Clostridium difficile-associated diarrhea (CDD) recurrence is a significant clinical challenge.
- Recurrent CDD (RCDD) increases patient morbidity, healthcare costs, and antimicrobial resistance.
- Early RCDD, occurring within 45 days of the initial episode, warrants specific investigation.
Purpose of the Study:
- To identify risk factors associated with early RCDD.
- To differentiate between relapse and reinfection in early RCDD cases.
Main Methods:
- A case-control study was conducted.
- Case patients (n=13) had early RCDD; control patients (n=46) had a single CDD episode.
- Data collected from January 1993 to November 1994 at Centre Hospitalier Angrignon.
Main Results:
- Risk factors for early RCDD included chronic renal insufficiency, elevated white blood cell count (≥15 x 10(3)/mm3), and community-acquired initial diarrhea.
- Identical C. difficile strains were found in the first and second episodes for 7 of 8 case patients.
- These findings suggest relapse is a more frequent cause of early RCDD than reinfection.
Conclusions:
- Chronic renal insufficiency, high WBC count, and community-acquired initial diarrhea are significant risk factors for early RCDD.
- Relapse appears to be the predominant mechanism for early RCDD.
- Therapeutic strategies should focus on preventing relapses in high-risk individuals to mitigate CDD recurrence.