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Factors affecting intraoperative blood loss during liver resection
Ruenreong Leelanukrom1, Banchobporn Songthamwat, Atikun Thonnagith
1Department ofAnesthesiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand. leelanukrom@hotmail.com
Summary
Operation time and patient gender, not central venous pressure (CVP), predict blood loss during liver resection. This study analyzed factors influencing bleeding in patients undergoing extensive liver surgery.
Area of Science:
- Hepatobiliary Surgery
- Surgical Oncology
- Anesthesiology
Background:
- Liver resection can lead to substantial blood loss, necessitating transfusions.
- Minimizing blood loss during liver surgery is a key clinical challenge.
- Central venous pressure (CVP) has been investigated as a potential factor influencing intraoperative bleeding.
Purpose of the Study:
- To identify factors associated with intraoperative blood loss during liver resection.
- Specifically evaluate the correlation between central venous pressure (CVP) and blood loss.
- Analyze patient, surgical, and anesthetic factors impacting bleeding during liver surgery.
Main Methods:
- Retrospective review of medical and anesthetic records from July 2008 to July 2010.
- Inclusion criteria: patients undergoing more than one segment liver resection.
- Regression analysis used to assess correlations between various factors and intraoperative blood loss.
Main Results:
- 113 patients were analyzed; mean blood loss was 836.46 ± 762.85 ml.
- Operative time and male gender were significantly correlated with increased blood loss.
- Central venous pressure (CVP) did not show a significant correlation with blood loss.
Conclusions:
- Operation time and male gender are predictors of intraoperative blood loss in extensive liver resections.
- Central venous pressure (CVP) is not a significant factor in predicting blood loss during these procedures.
- Findings suggest focusing on operative duration and patient sex for blood loss management strategies.
