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Risk factors for liver abscess formation after hepatic chemoembolization
1Division of Interventional Radiology, University of Pennsylvania School of Medicine, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA.
Journal of Vascular and Interventional Radiology : JVIR
|August 7, 2001
Summary
Liver abscesses are a risk after hepatic chemoembolization, particularly in patients with prior bilioenteric anastomosis. Standard antibiotic prophylaxis may not prevent abscesses in these high-risk cases.
Area of Science:
- Hepatology
- Interventional Radiology
- Oncology
Background:
- Hepatic chemoembolization is a common treatment for liver tumors.
- Liver abscess is a potential complication following this procedure.
- Understanding risk factors is crucial for patient management.
Purpose of the Study:
- To determine the incidence of liver abscess after hepatic chemoembolization.
- To identify risk factors associated with liver abscess formation.
Main Methods:
- Retrospective analysis of 397 chemoembolization procedures in 157 patients.
- Patients received standard prophylactic antibiotics.
- Statistical analysis (chi-squared, Fisher exact test) identified risk factors.
Main Results:
- Liver abscess occurred in 4.5% of patients (2.0% of procedures).
- A history of bilioenteric anastomosis significantly increased abscess risk (OR 894, P <.0001).
- Neuroendocrine tumors and gastrointestinal sarcomas were associated with higher abscess rates.
Conclusions:
- Bilioenteric anastomosis is the primary risk factor for liver abscess post-chemoembolization.
- Current antibiotic prophylaxis regimens are insufficient for patients with prior bilioenteric anastomosis.
- Further strategies are needed to mitigate abscess risk in these patients.