Reducing the risk of infection during blood transfusion with Alaris™ CC
The MFX2207E closed blood set allows a syringe to be filled from a bag and then infused via our pump. The closed system minimises the risk of misconnections of multiple components, such as using a gravity set with a three-way stopcock and a standard syringe set. This helps you with infection prevention and control.
Our video demonstrates how neonatal set MFX2207E is used in clinical environment.
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To support the safety of using this device, two separate dynamic tests were conducted by independent test houses, one using human red cells and the other using human platelet concentrate. Results of these tests showed that no biologically significant variations of the PF4 concentration or platelet count was observed.
Five samples of fresh human platelets were taken and quantities from each were drawn up via a T set using 20ml syringes and 50ml syringes. Each sample in turn was then pumped out through the patient line at 100ml/h into a collection tube, via an 18g catheter.
To determine the impact of circulation the samples were analysed in respect of platelet count and of free PF4 (Platelet Factor 4) in the plasma, which is released from platelets if they are ruptured.
Findings
samples showed a very small reduction in platelet count (0.4% @ 100ml/h)
PF4 concentration showed a slight decrease of 1.9% for the 20ml syringes and 0.6% for the 50ml syringes.
These variations are not considered biologically relevant. This study was conducted by an independent test house, accredited with GLP Compliance and in accordance with Directive 88/320/EEC (as amended by Directive 1999/12/EC)
Red Cell Study
For this study 10 sets of paediatric split packs of human red blood cell concentrate were taken and, as before, quantities were drawn into 20ml & 50ml syringes. The samples were then pumped, using the Alaris™ CC syringe pump, via a 24g catheter and into tubes at 50ml/h.
In this case the samples were analysed in respect of haemolysis and supernatant potassium and were compared to a baseline taken directly from the pack.
Findings
haemolysis was found to increase from about 0.05% to 0.1 – 0.15%
no significant differences in potassium levels were found between baseline and post pumping samples
Conclusion
No biologically significant variation of the platelet count or the PF4 concentration was observed between samples taken pre and post infusion through the T set. Red cell concentrate potassium levels were not affected and although haemolysis was increased this was not to clinically significant levels.