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[MSB-32] Comparison of Platelet Changes Between Mini-Extracorporeal Circulation and Conventional Cardiopulmonary
Ömer Faruk Rahman1, Ahmet Daylan1, Mert Arslangilay1
1Department of Cardiovascular Surgery, İzmir Bakırçay University Faculty of Medicine, İzmir, Türkiye.
Objective:
This study aimed to evaluate the efficacy of mini-extracorporeal circulation (MECC) in reducing platelet damage compared to conventional cardiopulmonary bypass (CCPB).
Methods:
Sixty-seven patients (52 males, 15 females; mean age: 63.04±8.08 years) who underwent isolated coronary artery bypass grafting between August 2022 and February 2024 were retrospectively analyzed. The patients were divided into two groups: CCPB (n=37) and MECC (n=30). Demographic data, comorbidities, operative variables, laboratory values, and drainage volume data were collected from electronic medical records.
Results:
No significant difference in median drainage volume was found between the MECC group and the CCPB group (300 mL vs. 350 mL; p=0.178). There was no statistically significant difference between the groups regarding cardiopulmonary bypass time and cross-clamp time (p=0.160 and p=0.158, respectively). There was no significant difference between the groups in preoperative and postoperative platelet counts (p=0.687 and p=0.335, respectively). The mean decrease in postoperative platelet count was 0.89±3.99% in the MECC group and 13±2.98% in the CCPB group. The difference in platelet count change between the groups was found to be statistically significant (p=0.028).
Conclusion:
This study suggests that mini extracorporeal circulation significantly reduces postoperative platelet decline compared to conventional cardiopulmonary bypass, indicating its potential to better preserve platelet levels.
Insights
Mini-extracorporeal circulation (MECC) significantly reduces postoperative platelet decline compared to conventional cardiopulmonary bypass (CCPB). This suggests MECC better preserves platelet levels during cardiac surgery.
Area of Science:
- Cardiovascular Surgery
- Hematology
- Medical Devices
Background:
- Cardiopulmonary bypass (CPB) is essential for cardiac surgery but can lead to platelet activation and consumption.
- Minimally invasive CPB techniques aim to reduce complications associated with conventional CPB (CCPB).
- Mini-extracorporeal circulation (MECC) is one such technique with a smaller circuit volume.
Purpose of the Study:
- To compare the efficacy of MECC versus CCPB in preserving platelet counts.
- To evaluate the impact of MECC on platelet damage during coronary artery bypass grafting (CABG).
Main Methods:
- Retrospective analysis of 67 patients undergoing isolated CABG.
- Patients were divided into two groups: CCPB (n=37) and MECC (n=30).
- Collected data included demographics, comorbidities, operative variables, laboratory values, and drainage volume.
Main Results:
- No significant differences in drainage volume, CPB time, or cross-clamp time between groups.
- Preoperative and postoperative platelet counts showed no significant difference between groups.
- Mean postoperative platelet count decrease was significantly lower in the MECC group (0.89±3.99%) compared to the CCPB group (13±2.98%; p=0.028).
Conclusions:
- MECC significantly reduces postoperative platelet decline compared to CCPB.
- MECC demonstrates a potential advantage in preserving platelet levels during cardiac surgery.
- Further research may elucidate the long-term clinical implications of MECC-associated platelet preservation.
