Cardiothoracic & vascular anesthesia

Combined Platelet and Red Blood Cell Recovery during On-pump Cardiac Surgery Using same™ by i-SEP Autotransfusion Device: A First-in-human Noncomparative Study (i-TRANSEP Study)

AnesthesiologyPublished First-in-human noncomparative study

Authors' conclusion

In this first-in-human study, the same™ device was able to simultaneously recover and wash both platelets and red blood cells.

Study context

Population
Adults undergoing on-pump elective cardiac surgery
Participants
50 adults
Outcome
Composite of:
  • Cell recovery performance (RBC recovery, posttreatment hematocrit)
  • Biologic safety (heparin and free hemoglobin removal ratios)
Methodological detailsmulticentre
  • Multicentre

Main finding

As reported in the abstract

RBC recovery per cycle, median (IQR 80.8 to 91.6)

86.1%

Posttreatment hematocrit (39.7 to 44.2)

41.8%

Heparin removal ratio (98.2 to 99.7)

98.9%

Free hemoglobin removal ratio (92.7 to 96.6)

94.6%

Secondary outcomes

Platelet recovery

Median platelet recovery (44.2 to 60.1)
52.4%
Posttreatment platelet concentration, · 109/l (93 to 146)
116

Platelet activation state and function (flow cytometry)

Unaltered by the device

Safety

Adverse device effects · up to 30 days after surgery

No adverse device effect reported

Original publication

Combined Platelet and Red Blood Cell Recovery during On-pump Cardiac Surgery Using same™ by i-SEP Autotransfusion Device: A First-in-human Noncomparative Study (i-TRANSEP Study). Anesthesiology. Published 9 June 2023. doi:10.1097/aln.0000000000004642

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