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[The Norrköping study. Cephalosporins are often the implicating factors in Clostridium difficile infections]
1Infektionskliniken, lasarettet, Norrköping.
Insights
Broad-spectrum antibiotics, particularly cephalosporins like cefotaxime, are linked to increased Clostridium difficile-associated diarrhea and colitis. This correlation highlights the need for careful antibiotic stewardship to prevent infections.
Area of Science:
- Infectious Diseases
- Clinical Microbiology
- Pharmacology
Background:
- Clostridium difficile-associated diarrhea and colitis (CDAD) is a significant healthcare-associated infection.
- Antibiotic use is a primary risk factor for the development of CDAD.
- Understanding the specific antibiotic classes associated with CDAD is crucial for prevention strategies.
Purpose of the Study:
- To investigate the correlation between inpatient antibiotic consumption and the incidence of Clostridium difficile-associated diarrhea and colitis.
- To identify specific antibiotic agents or classes most frequently implicated in CDAD cases.
- To compare the risk associated with different antibiotic spectrums.
Main Methods:
- Retrospective study conducted at Norrköping Central Hospital.
- Analysis of inpatient antibiotic consumption, measured in defined daily doses (DDD).
- Correlation assessment between DDD of specific antimicrobial agents and CDAD incidence.
Main Results:
- A significant correlation was found between inpatient antibiotic consumption and CDAD incidence.
- Third-generation cephalosporins, such as cefotaxime, were disproportionately implicated (38 times more than narrow-spectrum penicillins).
- Cephalosporins accounted for 46% of CDAD episodes despite representing only 12% of total hospital antibiotic consumption.
Conclusions:
- Broad-spectrum antibiotics, especially cephalosporins, are strongly associated with an increased risk of Clostridium difficile-associated diarrhea and colitis.
- The findings support previous nationwide reports and emphasize the importance of antibiotic stewardship.
- Judicious use of antibiotics, particularly broad-spectrum agents, is essential for reducing CDAD rates.
Abstract:
In a retrospective study carried out at Norrköping Central Hospital, the incidence of Clostridium difficile-associated diarrhoea and colitis was found to be correlated to in-patient consumption (in terms of defined daily doses) of the implicated anti-microbial agents. The third generation cephalosporin, cefotaxime, was implicated 38 times more often than small spectrum penicillins. In general, the cephalosporins were predominantly responsible, accounting for 46 per cent (67/147) of the episodes but only 12 per cent of overall consumption of antibiotics at the hospital. These findings are in accord with data previously published in the nationwide report by the Medical Product Agency, Uppsala.