Comparison of the Performance Test of Reusable Patient Circuit and Disposable Patient Circuit of Ventilator
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Keywords
Ventilator, Reusable patient circuit, Disposable patient circuit, Performance test
Abstract
Two kinds of ventilator patient circuits are used widely in clinical routine, namely, reusable patient circuits and disposable patient circuits. Is their performance the same in clinical application? Comparison of the performance test of these two kinds of ventilator circuits with a ventilator gas flow analyzer is given in this paper. Thirty ventilators were randomly selected to test their performance with these two types of circuits. Then, the paired t-test method was used to analyze whether the difference in performance test between the two circuits was significant. For respiratory rate, tidal volume, and end airway pressure, there were no significant differences between these two circuits (p > 0.05). For the airway peak pressure, the reusable patient circuit was significantly higher than the disposable patient circuit (p < 0.05), but the actual value of the difference was very small, only about 0.2 mbar, which did not have any significant clinical meaning. Therefore, in the experimental environment, there is no difference in performance test results between disposable circuits and reusable circuits.
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