Cardiothoracic & vascular anesthesia

Preservation of Platelet Function After Intraoperative Cell Salvage Using the i-SEP Same Device in Cardiac Surgery

J Cardiothorac Vasc AnesthPublished Prospective observational study

Authors' conclusion

The Same device enabled recovery of functional platelets and red blood cells from cardiopulmonary bypass blood.

Study context

Population
Adults undergoing elective on-pump cardiac surgery (valve surgery, CABG), university tertiary care hospital31 analysed
Participants
44 adults
Exposure
Reinfusion bag contents vs intraoperative patient blood
Outcome
Platelet function preservation after intraoperative autotransfusion (flow cytometry, impedance aggregometry)
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

Platelet count

P = 0.0072

Relative platelet recovery, median (IQR 57.2-97.0%)
76.5%
Estimated equivalent vs platelet concentrates, median (0.06-0.19 units); ≈11.4% of one platelet concentrate unit
0.11 units
Platelet activation markers partially preserved: CD62P
40.4%
CD63
52.5%
PAC-1
82.8%
Platelet aggregation partially retained: ASPI
34.0%

Observational data: associations, not effects.

Secondary outcomes

Hematocrit

P < 0.0001

Safety

No adverse events occurred

Original publication

Preservation of Platelet Function After Intraoperative Cell Salvage Using the i-SEP Same Device in Cardiac Surgery. J Cardiothorac Vasc Anesth. Published 22 October 2025. doi:10.1053/j.jvca.2025.10.024

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