The Effect of ACT and Tranexamic Acid on Bleeding in Cardiac Surgery

This study is going to analyze the medical records of patients who underwent cardiac surgery between December 1, 2023, and December 31, 2026. The investigators will categorize patients into four groups based on anticoagulation indices (ACT 400-600 seconds; ACT \> 600 seconds) and tranexamic acid dosages (low dose; high dose) within the range considered safe for CPB. The primary outcome will be the volume of postoperative bleeding within 24 hours for each group. The findings of this study will contribute to the existing clinical evidence and provide insights for the monitoring and pharmacological management in cardiac surgery.