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"To investigate infusion pumps start-up delay according to different brands of infusion pumps, flow rates and intravenous sets priming techniques" Vieira et al (2022).
Start-up delay in syringe pumps

Abstract:

Objective: To investigate infusion pumps start-up delay according to different brands of infusion pumps, flow rates and intravenous sets priming techniques.

Method: The experimental study simulated clinical practice under controlled conditions, using a 50 mL syringe with NaCl 0.9% solution, two syringe infusion pumps (A and B), six rates (0.3, 0.5, 1.0, 5, 10 and 20 mL/h), two purging techniques (manually or infusion pump’s electronic bolus). Data were analyzed according to mean, standard deviation, Student’s t and ANOVA tests (p<0.05).

Results: The start-up delay was greater in low rates regardless the priming technique. The electronic bolus increased the infusion pump A accuracy at 0.3mL/h (p=0.010), 0.5 mL/h (p=0.002) and 1.0mL/h (p=0.004). Pump’s accuracy in all studied rates and manual IV sets filling was similar.

Conclusion: In low infusion rates the start-up delay was greater despite the infusion pump brand and electronic bolus improved pumps accuracy.

Reference:

Vieira NM, Pires MPO, Crespo GB, Nascimento LPP, Peterlini MAS, Pedreira MLG. Start-up delay in syringe infusion pumps with different rates and priming techniques of intravenoust sets. Rev Gaucha Enferm. 2022 May 23;43:e20210071. English, Portuguese. doi: 10.1590/1983-1447.2022.20210071.en. PMID: 35613239.