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Low dose tranexamic acid effect on post-coronary artery bypass grafting bleeding
Bakhtiari Rostam Esfandiari1, Mohammad Moazeni Bistgani, Majid Kabiri
1Department of Cardiothoracic Surgery, Faculty of Medicine, Shahr-e-kord University of Medical Sciences, Shahr-e-kord, Iran.
Asian Cardiovascular & Thoracic Annals
|February 27, 2014
Summary
Low-dose tranexamic acid effectively reduces bleeding and transfusion needs after coronary artery bypass surgery. This safe and hemostatic approach minimizes post-operative blood loss without increasing complications.
Area of Science:
- Cardiovascular Surgery
- Anesthesiology
- Pharmacology
Background:
- Diffuse microvascular bleeding is a frequent complication following cardiac surgery.
- On-pump coronary artery bypass graft (CABG) surgery presents challenges in hemostasis management.
Purpose of the Study:
- To investigate the hemostatic efficacy of low-dose tranexamic acid (TXA).
- To evaluate the impact of TXA on post-coronary artery bypass surgery bleeding and transfusion requirements.
Main Methods:
- Prospective, randomized, placebo-controlled trial involving 150 patients undergoing CABG.
- Patients were randomized to receive either low-dose tranexamic acid or a placebo.
- Key outcomes measured included total drainage volume, need for blood transfusion, and surgical complications.
Main Results:
- The tranexamic acid group showed significantly reduced mediastinal chest tube drainage at 48 hours (432±210 mL vs. 649±235 mL, p=0.006).
- Fewer patients in the tranexamic acid group required allogeneic blood transfusions (25% vs. 58%, p<0.001).
- No significant increase in postoperative complications was observed between the groups.
Conclusions:
- Low-dose tranexamic acid is effective in reducing blood loss after coronary artery bypass surgery.
- TXA significantly decreases the need for blood transfusions in this patient population.
- The use of low-dose tranexamic acid is safe, with no observed increase in adverse events.
