Predictors of intra-operative blood loss and blood transfusion in orthognathic surgery: a retrospective cohort study in 92 patients

Patient Safety in Surgery

Maisa O Al-Sebaei¹ 

[1] Department of Oral and Maxillofacial Surgery, King AbdulAziz University, Faculty of Dentistry, Jeddah 21589, Kingdom of Saudi Arabia

关键词: Hemoglobin;    Orthognathic surgery;    Bimaxillary surgery;    Blood loss;    Hypotensive anesthesia;    Blood transfusion;   

Others  :  1210312
DOI  :  10.1186/s13037-014-0041-6

 received in 2014-07-01, accepted in 2014-09-15,  发布年份 2014

【 摘 要 】

Background

Patients undergoing orthognathic procedures can require blood transfusions. The objectives of this study were to evaluate the predictors of intra-operative blood loss in patients undergoing orthognathic procedures and the transfusion rates and practices of our institution.

Materials and methods

This retrospective study included 92 patients who underwent the following four types of orthognathic procedures: Group 1, bimaxillary; Group 2, bimaxillary with bone grafts; Group 3, LeFort I osteotomies; and Group 4, LeFort I osteotomies with bone grafts. The intra-operative blood loss, operative time, age, gender and pre- and post-operative HGB and HCT were assessed.

Results

The mean blood loss for all groups was 650?±?397.8 mL, and there were differences in blood loss between the four groups (p?=?0.211). The mean operative time was 5 hours and 32 minutes. There were no differences in intra-operative blood loss between the genders or the BMI categories. The operative time was moderately correlated with the intra-operative blood loss (p?

Conclusions

The only predictor of intra-operative blood loss was operative time. The observed transfusion rate was higher than those that have been reported for similar procedures; thus, our institution needs to revisit our transfusion policy and use more time-efficient techniques in the operating room.

【 授权许可】

   
2014 Al-Sebaei; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

Figure 2.

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