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Prevalence of primary fungal infections in necrotizing pancreatitis
Tyler M Berzin1, Flavio G Rocha, Edward E Whang
1Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
Background/Aims:
Prophylactic use of carbapenems (meropenem and imipenem) and other broad-spectrum antibiotics in necrotizing pancreatitis has been suggested as a risk factor for pancreatic fungal infections. The aim of our study was to determine the prevalence of primary fungal infections and the pattern of antibiotic use in necrotizing pancreatitis at our institution.
Methods:
Records on 689 consecutive patients with acute pancreatitis between 2000 and 2004 were reviewed. Necrotizing pancreatitis was identified by contrast-enhanced computed tomography (CT) scan. Data on antibiotic usage were collected and microbiologic data obtained from radiologic, endoscopic, and surgical interventions (pancreatic aspiration, drain placement or debridement) were reviewed for evidence of fungal infection. Pancreatic fungal infections were classified as primary if the positive culture was obtained at the time of initial intervention.
Results:
Among 64 patients with necrotizing pancreatitis, there were no cases of primary pancreatic fungal infections and 7 cases (11%) of secondary pancreatic fungal infections. Fifteen patients (23%) developed pancreatic bacterial infections. Among 62 patients with necrotizing pancreatitis in whom antibiotic exposure was known, 45% received carbapenems for a median duration of only 6 days, and 84% received non-carbapenem antibiotics for a median duration of 14 days.
Conclusion:
Limited use and short duration of carbapenem therapy may be factors contributing to the absence of primary fungal infections in our study.
Insights
In necrotizing pancreatitis, primary fungal infections were absent. Limited carbapenem use and short treatment durations may explain this finding, suggesting careful antibiotic strategies are key for managing pancreatic infections.
Area of Science:
- Gastroenterology
- Infectious Diseases
- Surgical Critical Care
Background:
- Broad-spectrum antibiotic use, particularly carbapenems, is a suspected risk factor for fungal infections in necrotizing pancreatitis.
- Understanding the prevalence of fungal infections and antibiotic patterns is crucial for patient management.
Purpose of the Study:
- To determine the incidence of primary fungal infections in necrotizing pancreatitis.
- To analyze antibiotic usage patterns in patients with necrotizing pancreatitis.
Main Methods:
- Retrospective review of 689 acute pancreatitis patients (2000-2004).
- Necrotizing pancreatitis diagnosis via contrast-enhanced CT scan.
- Analysis of antibiotic exposure and microbiological data from interventions for fungal infection evidence.
Main Results:
- No primary fungal infections observed in 64 necrotizing pancreatitis patients.
- 7 (11%) secondary fungal infections and 15 (23%) bacterial infections occurred.
- 45% received carbapenems (median 6 days); 84% received other antibiotics (median 14 days).
Conclusions:
- Limited carbapenem use and short treatment duration may be associated with the absence of primary fungal infections.
- This suggests judicious antibiotic selection and administration are important in necrotizing pancreatitis.
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