Abstract
BackgroundInfusion sets designed for peristaltic finger smart pumps (PFSPs) are necessary for the pumps’ accurate handling. We previously found that medication dispensing is occasionally incomplete following the calculated infusion time when using certain combinations of PFSPs and infusion sets at a Japanese hospital. Thus, in this study, we investigated the cause of this observed delay by determining the effect of infusion set attachment technique on dispensing time using a combination of three kinds of PFSPs and five kinds of polyvinyl chloride (PVC) and polybutadiene (PB) infusion sets.MethodsPFSPs with their exclusive infusion sets were used. The PVC and PB infusion sets were either not stretched or stretched to 1–3 cm and attached to the PFSP’s liquid delivery system. PFSP dispensing rates were set at 25–400 mL/h. The primary outcome was the time required to dispense 100 mL of saline in a volumetric flask.ResultsThe complete dispensing time correlated with the input time for all equipment combinations when the infusion sets were not stretched before attachment to the PFSP (R2 = 0.9998–1.0000). When stretched, the complete dispensing time was longer than the input time (P < 0.01–0.05, analysis of variance with Tukey-Kramer multiple comparisons). The maximum dispensing time extension ratio for the PVC and PB infusion sets was 141.8% and 113.0%, respectively.ConclusionCertain attachment techniques for infusion sets can adversely prolong drug dispensing time. As such, pharmacists should provide medical staff with information about the devices used to administer drugs, as well as about the drugs themselves.
Highlights
Infusion sets designed for peristaltic finger smart pumps (PFSPs) are necessary for the pumps’ accurate handling
Aside from this, there appear to be no reports on the reasons for the delay in dispensing time when using a combination of PFSPs and polyvinyl chloride (PVC) infusion sets, or whether a delay occurs for frequently used polybutadiene (PB) infusion sets
There were no significant differences in accuracy according to dispensing rate, for either the PVC or the PB infusion sets
Summary
Infusion sets designed for peristaltic finger smart pumps (PFSPs) are necessary for the pumps’ accurate handling. In this study, we investigated the cause of this observed delay by determining the effect of infusion set attachment technique on dispensing time using a combination of three kinds of PFSPs and five kinds of polyvinyl chloride (PVC) and polybutadiene (PB) infusion sets. We reported that there were delays in the time required for complete dispensing when polyvinyl chloride (PVC) infusion sets made by Covidien were attached to PFSPs made by Terumo Corporation [12]. In this study, we investigated the cause of the delay in the time required for complete dispensing by focusing on the effect of the attaching procedure under various conditions, using a combination of three kinds of PFSPs and five kinds of PVC and PB infusion sets
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