Spectra Optia Apheresis System Operator’s Manual
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Glossary of Terms
B
Fraction of cells remaining
Desired percentage of starting defective RBC remaining in the patient’s
blood at the end of a RBC exchange procedure.
Functionally closed system
Blood collection system that uses sterile barrier filters to prevent bacteria
from entering the system.
G-CSF
Abbreviation for granulocyte-colony stimulating factor.
Gear train
Component of the centrifuge chamber that consists of a series of rotating
gears that keep the filler and the centrifuge arm spinning at the proper
speed.
GHz
Abbreviation for gigahertz.
Graft-versus-host disease
Condition that occurs when cells from a transplanted organ or tissue
attack the cells or tissue of the transplant recipient.
Granulocyte
Type of WBC.
Granulocyte-colony stimulating
factor
Protein that can be given to a patient to stimulate the bone marrow to
produce WBC.
GVHD
Abbreviation for graft-versus-host disease.
Hct
Abbreviation for hematocrit.
Hematoma
Localized collection of blood in an organ, space, or tissue due to a break
in the wall of a blood vessel.
Hgb
Abbreviation for hemoglobin.
Hemolysis
Disruption of the RBC membrane, causing the release of hemoglobin.
Hemostat
Instrument used to compress a bleeding vessel or to stop the flow of fluid
through a tube.
HES
Abbreviation for hydroxyethyl starch.
Hydroxyethyl starch
Volume expander that can be used during PMN collection procedures
and WBCD procedures and that causes the RBC to form rouleaux,
facilitating collection of WBC.
Hz
Abbreviation for hertz.
Inlet:AC ratio
Ratio of the inlet pump flow rate to the AC pump flow rate, expressed as
parts of inlet volume to one part of anticoagulant.
Inlet access
Refers to the patient access from which whole blood is drawn.
Inlet flow rate
Speed at which blood is drawn from the patient.
Inlet line
Line on the tubing set used to carry anticoagulated blood from the
patient to the channel.
Inlet pressure
Force per unit of area on the blood flow as it is drawn from the patient.
Interface
Area where the cellular components of blood meet the plasma in the
connector.
SpectraOptiaOpsManual.book Page 281 Thursday, May 17, 2018 11:24 AM