Exact(1)
Centrifugal technology, continuous flow and discontinuous flow, has served as the technology platform for extracting cell concentrates of interest from peripheral blood (PB) for patient therapy for the past 35 40 yr.
Similar(59)
However, no randomized control trials to date justify a change in the current transfusion practice of using either fresh or red cell concentrate of short shelf-life for augmenting oxygen delivery and avoiding the deleterious effects of high doses of vasopressor and/or inotropic drugs for cardiovascular support during resuscitation.
Subsequent transfusions included four units of fresh frozen plasma on POD 2, two units of red blood cell concentrate on POD 9, and four units of red blood cell concentrate on POD 13 (Table 1).
The introduction of component therapy where red cells are separated from plasma by centrifugation and the development of preservative solutions containing saline, mannitol, glucose, and adenine (e.g., SAGM) which were added to the separated erythrocytes, increased the storage period of red cell concentrates to 42 days when stored at 1°C to 6°C [ 5].
On the day of surgery, the patient received transfusions of 20 units of red blood cell concentrates, 12 units of fresh frozen plasma, and 20 units of platelet concentrate.
According to safety aspects we documented severe bleedings in the event of short term decline of hemoglobin level (≥ 2 g/dl/48 h) in absence of other evidence (e.g. hemolysis) and/or the need for at least two red blood cell concentrates in case of confirmed blood loss and/or the clinical occurrence of serious apparent bleeding in parenchyma, muscle or cerebrum.
Previous studies of H2 production of hydrogenase mutants have been based on harvested cell concentrates, often with addition of 100 mM formate to increase FHL activity, although such high formate concentration is incompatible with growth [9], [25], [33].
This paper discusses the fundamental concepts of fuel cells, concentrating on the underlying chemical and electrochemical processes.
The PLI directly related to the number of red cell concentrates given prior to the study (rs = 0.69, P = < 0.001, Fig. 2).
The PLI and EVLW were elevated above normal in 61 and 30% of patients, respectively, and the PLI directly related to the number of red cell concentrates given (rs = 0.69, P < 0.001), without group differences.
Intraoperative bleeding was 582 ml and the amount of transfused red cell concentrates was 560 ml.
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