Classification of Liver Trauma
Author Information
Author(s): SANDRO B. RIZOLI, FREDERICK D. BRENNEMAN, SHERIF S. HANNA, KAMYAR KAHNAMOUI
Primary Institution: Sunnybrook Health Science Centre, University of Toronto
Hypothesis
The purpose of this study was to test the strength of the OIS classification in a group of trauma patients with liver injuries treated at a single Canadian trauma centre.
Conclusion
The OIS is a useful, practical and important tool for the categorization of liver injuries.
Supporting Evidence
- The OIS grade correlated well with the number of units of blood transfused and liver-related complications.
- 11% of patients were treated non-operatively, while 89% underwent exploratory laparotomy.
- Overall, 43 of the 170 patients died, with 10 deaths directly due to liver injury.
Takeaway
This study looked at how to classify liver injuries to help doctors understand and treat them better. They found a system that works well for most cases.
Methodology
Retrospective review of liver trauma patients admitted to a single trauma center from January 1987 to June 1992.
Potential Biases
Interobserver variability may affect the classification accuracy.
Limitations
The OIS grade was unable to predict the need for laparotomy or the length of stay in hospital.
Participant Demographics
Mean age was 30 years, with 69% male and 90% victims of blunt trauma.
Want to read the original?
Access the complete publication on the publisher's website