What Researchers Did
A researcher evaluated the performance accuracy of three infusion pump models (Mindray BeneFusion VP5, Baxter Flo-Gard 6201, Braun Infusomat Space) under hyperbaric conditions up to 284 kPa, testing flow accuracy at pressures and rates relevant to monoplace critical care HBOT.
What They Found
The Mindray BeneFusion VP5 outperformed the other models overall. Both the Mindray and Baxter pumps under-delivered at low infusion rates and over-delivered at high rates; both also under-delivered during pressurization and over-delivered during decompression. The Braun Infusomat Space was unsuitable for hyperbaric use, failing above 90 kPa.
What This Means for Canadian Patients
Critically ill Canadian patients requiring HBOT -- such as those with carbon monoxide poisoning or decompression emergencies -- may also need IV medications during treatment. This study identifies which pump models are safe in the hyperbaric environment, directly informing equipment procurement decisions for Canadian hyperbaric facilities.
Canadian Relevance
No direct Canadian connection identified. Directly relevant to Canadian hyperbaric facilities that administer IV medications during monoplace HBOT for critically ill patients.
Study Limitations
Only three pump models were tested; results may not apply to other commercially available infusion pumps used in Canadian ICUs and hyperbaric units.