Change in fibrinogen levels and severe postoperative bleeding in cardiac surgery

서지정보

ㆍ발행기관 : 대한구강생물학회 ㆍ수록지정보 : International Journal of Oral Biology / 45권 / 2호
ㆍ저자명 : Eun-Jung Kim, Joo-Yun Kim, Hee Young Kim, Boo-Young Hwang, Ah-Reum Cho, Young-Hoon Jung, Seung-Hoon Baek, Jeong-Min Hong

목차

Introduction
Materials and Methods
1. Study design and patient population
2. Clinical practice
3. Laboratory testing
4. Outcomes
5. Statistical analysis
Results
Discussion
References

영어 초록

Thromboelastography or rotational thromboelastometry, is being increasingly utilized in cardiac surgery of late. However, it is an indirect test and is not available in all centers. Low fibrinogen levels before and after cardiopulmonary bypass (CPB) have been described to be associated with postoperative bleeding in cardiac surgery. This study explored the usefulness of reduction ratio of the fibrinogen levels before CPB (preCPB) and after CPB (postCPB) in predicting postoperative hemorrhage. A retrospective, observational study of adult patients who underwent cardiac surgery with CPB between February 2014 and January 2016 was conducted, which included a total of 264 patients. The fibrinogen levels were measured twice, preCPB and postCPB, and the fibrinogen reduction ratio was acquired [(preCPB − postCPB)/preCPB]. Postoperative blood loss, which was defined as the blood collected from the chest drain for 12 hours following arrival at the intensive care unit, was considered severe if it was more than 1,000 mL. A multivariate analysis showed that fibrinogen reduction ratio, sex, and postCPB platelet count were significantly associated with severe postoperative bleeding. However, the pre- and postCPB fibrinogen levels were not significantly associated with severe bleeding. Furthermore, a fibrinogen reduction ratio of > 41.3% was independently associated with postoperative severe bleeding, with an odds ratio of 3.472 (1.483–8.162). These results suggest that the reduction ratio of pre- and postCPB fibrinogen levels may be utilized in predicting postoperative bleeding.

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