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  • Title: Comparison of three intravenous infusion pumps for monoplace hyperbaric chambers.
    Author: Weaver LK, Ray D, Haberstock D.
    Journal: Undersea Hyperb Med; 2005; 32(6):451-6. PubMed ID: 16509288.
    Abstract:
    We compared the infusion accuracy of the Baxter Flo-Gard 6201, IVAC 530 and Abbott Lifecare 3HB pumps with saline and enteral formula at chamber pressures from 86.1 kPa (0.85 atm abs) to 304 kPa (3.0 atm abs). The Baxter pump infused +/- 10% saline at all tested pressures and rates (1-1,999 ml/hr). At 1 ml/hour, the IVAC infused 18% more saline than expected (86.1 kPa). The Abbott infused -15% and -23% than expected at 202.6 kPa (999 ml/hr) and 304 kPa (800 ml/hr), respectively. A 10-minute chamber compression and decompression (86.1-304-86.1 kPa) resulted in lower-than-expected measured volumes during compression (64-112%) and higher-than-expected measured volumes during decompression (62-114%) at rates of 1, 5, and 10 ml/hr for all pumps. Enteral infusions (100 ml/hour) resulted in -20% to +12% fluid volume discrepancies. In conclusion, the Baxter pump had the best overall performance. Changes observed during compression and decompression may be clinically important.
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