Introduction: Study of an outbreak of hepatitis C virus (HCV) infection.
Methods: Case-control study. Odds ratios for various risk factors were studied in patients with acute hepatitis C and an appropriate control group.
Results: Seven cases and 46 controls were included. Implantation of a central catheter was found to be an independent risk factor for hepatitis C (OR=35; 95% CI: 16.0-62.0).
Conclusion: Inadequate manipulation of central catheters with heparinized saline solution, which was likely to be HCV-contaminated, caused the outbreak.
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