The relationship between blood transfusion and atrial fibrillation in patients undergoing coronary artery bypass surgery
Keywords:
atrial fibrillation, blood transfusion, coronary artery bypass surgery, hemoglobin, hematocrit.Abstract
Abstract: New-onset atrial fibrillation after cardiac surgery contributes to increased morbidity, length of hospital stay, and resource utilization. Although many aspects of atrial fibrillation after cardiac surgery have been elucidated, the mechanism by which cardiac surgery predisposes patients to atrial fibrillation has remained unknown. Recent evidence supports the idea that blood transfusion enhances the inflammatory response, thereby increasing the incidence of postoperative atrial fibrillation.
Objectives: To determine the association of perioperative blood transfusion with atrial fibrillation, thus allowing strategies to be developed to reduce the incidence of this complication.
Patients and Methods: The study included 69 patients who underwent isolated coronary artery bypass grafting during 2023. The males percentage was 75.4% and females 24.6%. Patients were divided into two groups: Group 1 received blood units and Group 2 did not receive any blood units. Blood was transfused when hematocrit values fell in less than 26%, then the two groups were compared in terms of the occurrence of atrial fibrillation.
Results: CABG surgery was performed using cardio-polmunary bypass for 59 patients (85.5%) and on beating heart for 10 patients (14.5%). Blood was transfused for 56 patients (81.2%), while the number of patients who did not need blood transfusion was 13 (18.8%). 12 patients developed Atrial fibrillation in Group 1 and 2 in Group 2 with (P value >0.05).
Conclusions: Blood transfusion does not affect the incidence of atrial fibrillation after coronary artery bypass surgery.
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