J Clin Monit Comput - In-line pressure within a HOTLINE? Fluid Warmer, under various flow conditions.

Tópicos

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Resumo

Roller pump infusion devices are widely used for rapid infusion, and may be combined with separate warming devices. There may be instances however, where the pressures generated by the roller pump may not be compatible with the warming device. We assessed a commonly used roller pump in combination with a HOTLINE? Fluid Warmer, and found that it could generate pressures exceeding the HOTLINE? manufacturers specifications. This was of concern because the HOTLINE? manufacturer guideline states that not for use with pressure devices generating over 300 mmHg. Pressure greater than 300 mmHg may compromise the integrity of the HOTLINE? Fluid Warming Set. The aim of this study was to compare in-line pressure within a HOTLINE? Fluid Warmer at different infusion rates of a roller pump using various sizes of intravenous cannulae. The rapid infusion system comprised a 500 mL-normal saline bag, roller pump type infusion device, HOTLINE? Fluid Warmer (blood and fluid warmer system), and six different sizes of intravenous cannulae. In-line pressure was measured proximal to the HOTLINE? (pre-warmer) and proximal to the cannula (post-warmer), at flow rate of 50-160 mL/min. The in-line pressures increased significantly with increasing flow rate. The pre-warmer pressures exceeded 300 mmHg when the flow rate was =120 mL/min with 20-gauge, 48 mm length cannula, 130 with 20-gauge, 25 mm cannula, and 160 mL/min with 18-gauge, 48 mm cannula. However, they were <300 mmHg at any flow rates with 18-gauge, 30 mm cannula and 16-gauge cannulae. The post-warmer pressures exceeded 300 mmHg at the flow rate of 140 mL/min with 20-gauge, 48 mm cannula, and 160 mL/min with 20-gauge, 25 mm cannula, while they were <300 mmHg at any flow rates with 18 and 16-gauge cannulae. The in-line pressure within a HOTLINE? could exceed 300 mmHg, depending on the flow rate and size and length of cannula. It is important to pay attention to the size and length of cannulae and flow rate to keep the maximum in-line pressure<300 mmHg when a roller pump type infusion device is used.

Resumo Limpo

roller pump infus devic wide use rapid infus may combin separ warm devic may instanc howev pressur generat roller pump may compat warm devic assess common use roller pump combin hotlin fluid warmer found generat pressur exceed hotlin manufactur specif concern hotlin manufactur guidelin state use pressur devic generat mmhg pressur greater mmhg may compromis integr hotlin fluid warm set aim studi compar inlin pressur within hotlin fluid warmer differ infus rate roller pump use various size intraven cannula rapid infus system compris mlnormal salin bag roller pump type infus devic hotlin fluid warmer blood fluid warmer system six differ size intraven cannula inlin pressur measur proxim hotlin prewarm proxim cannula postwarm flow rate mlmin inlin pressur increas signific increas flow rate prewarm pressur exceed mmhg flow rate mlmin gaug mm length cannula gaug mm cannula mlmin gaug mm cannula howev mmhg flow rate gaug mm cannula gaug cannula postwarm pressur exceed mmhg flow rate mlmin gaug mm cannula mlmin gaug mm cannula mmhg flow rate gaug cannula inlin pressur within hotlin exceed mmhg depend flow rate size length cannula import pay attent size length cannula flow rate keep maximum inlin pressur mmhg roller pump type infus devic use

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