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Transfusion predictors in liver transplant.
Luc Massicotte1, Marie-Pascale Sassine, Serge Lenis
1Anesthesiology Department, Centre Hospitalier de l'Université de Montréal, Montréal, Canada. massicotte@hotmail.com
Anesthesia and Analgesia
|April 24, 2004
Summary
Anesthesiologists show varied practices in red blood cell (RBC) transfusions during liver transplants. Factors like surgery duration and initial blood counts influenced RBC unit numbers, but predictive models were challenging due to practice variability.
Area of Science:
- Anesthesiology
- Transfusion Medicine
- Hepatobiliary Surgery
Background:
- Liver transplantation is a complex procedure often requiring blood product transfusions.
- Understanding factors influencing red blood cell (RBC) transfusions is crucial for optimizing patient care.
- Anesthesiologists' transfusion strategies can significantly impact outcomes.
Purpose of the Study:
- To identify factors influencing RBC transfusions during liver transplants.
- To analyze the transfusion practices of anesthesiologists in this setting.
- To explore potential predictive factors for RBC transfusion requirements.
Main Methods:
- Retrospective analysis of 206 liver transplant cases over 52 months.
- Identification of transfused blood products and analysis of 20 variables.
- Univariate and multivariate analyses to determine factors associated with RBC transfusion volume.
Main Results:
- Average RBC units transfused was 2.8 per patient; 32% received no RBCs.
- Starting International Normalized Ratio, platelet count, and surgery duration were related to RBC units transfused.
- Significant variability in anesthesiologists' transfusion practices was observed.
Conclusions:
- Predictive factors for RBC transfusions were difficult to establish due to low transfusion rates and human variability.
- Anesthesiologists exhibit wide differences in their transfusion strategies during liver transplants.
- Plasma transfusion did not consistently reduce RBC transfusion rates.