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A
C
C
LYX
OMPONENT
OLLECTION
A
PPENDIX
Calculating
Percent Product
Recovery
A-18
S
O
'
M
YSTEM
PERATOR
S
The Percent Product Recovery formulas in this section can be
used to calculate the percent post-leukoreduction RBC product
recovery for the A
LYX
procedures.
Note: The product recovery calculation is based on the total
fluid volumes of products, not on absolute red cell recovery.
Note: The A
System reports all data in whole numbers;
LYX
therefore the Percent Product Recovery should also be
represented in whole numbers.
Note: All data points referenced in the formulas below can be
found on the Procedure Information Screen.
Percent Product Recovery for ALYX 2RBC-LR
Procedure
Red Cell Product Volume, Bag A + Red Cell Product Volume, Bag B
% Recovery =
Red Cell Volume + Red Cell Product Preservation Solution Volume*
*Red Cell Product Preservation Solution
Volume = Red Cell Product Preservation Solution
Volume, Bag A + Red Cell Product Preservation
Solution Volume, Bag B
Percent Product Recovery for ALYX RBC/Plasma
Procedure
% Recovery =
Red Cell Volume + Red Cell Product Preservation Solution Volume
Note: Percent product recovery for A
RBC/Plasma may or may not be displayed on the procedure
information screen according to the software version or settings
on your instrument.
Note: Instrument calculated Percent Recovery may differ
slightly from manually calculated Percent Recovery due to the
rounding of values displayed on the procedure information
screen.
ANUAL
2RBC-LR and A
LYX
Red Cell Product Volume
LYX
07-19-01-518 – January 2009
RBC/Plasma
x 100
x 100
2RBC-LR and
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