[Controlled centrifugation by a w2dt integrator. Application to blood transfusion]

Area of Science:

• Biomedical Engineering
• Hematology

Context:

• Centrifugation is crucial for preparing blood components like fresh frozen plasma and platelet-rich plasma.
• The total effect of centrifugation (VT), measured by a "w2dt" integrator, uniquely characterizes blood component preparation.

Purpose:

• To analyze the influence of acceleration, constant speed, and deceleration on the total centrifugation effect (VT).
• To determine optimal centrifugation conditions for platelet-rich plasma and platelet concentrate preparation using specific centrifuges and an integrator.

Summary:

• A new approach to centrifugation is proposed, moving beyond traditional constant speed duration.
• Optimal conditions for platelet-rich plasma (yield >80% in minimal time) and platelet concentrate preparation were identified.
• Reproducibility is good with consistent centrifuged weight; standardization can be improved by including rotation radius in VT calculation.

Impact:

• This research offers a more precise method for blood component preparation, enhancing efficiency and yield.
• The findings facilitate easier standardization of centrifugation techniques in transfusion medicine.
• Integrating rotation radius into VT calculation promises further improvements in centrifugation standardization.