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KMID : 1140520220260030037
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Korean Journal of Emergency Medical Services
2022 Volume.26 No. 3 p.37 ~ p.46
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A comparison of ventilation effects using bag-valve-mask assist device
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Seo Eun-Young
Yoon Byoung-Gil
Kim Ga-Eun
Kim Youg-Seok
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Abstract
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Purpose : TThe experiment was designed to compare the efficiency of ventilation between conventional BVM ventilation and a newly devised A-BVM ventilation method with Tidal volume, total ventilation rate, average Ventilation speed, and average Ventilation volume.
Methods : 40 Paramedical students who agreed to participate in the study were analyzed. Values were measured using IMB PASS after 2 minutes of Brayden Pro manikin with BVM and A-BVM ventilation. The difference in general characteristics was assessed by t-test and ANOVA and the difference in ventilation methods was analyzed by IBM SPSS.
Results : A significant difference was found between the two ventilation methods in terms of tidal volume (t=-11.203, p<.001), ventilation time (t=-3.834, p<.001), and optimum ventilation probability (t=10.770, p<.001). A-BVM ventilation method, rather than BVM ventilation method, showed a value close to the appropriate amount recommended by Korean Advanced Life Support (500~600mL) in tidal volume, and higher in optimum ventilation probability.
Conclusion : We could identify the a better mode of ventilation. Further studies on the efficacy of existing BVM ventilation methods as compared to device augmented BVM ventilation methods should be carried out to ensure that adequate ventilation is available to patients in clinical practice.
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KEYWORD
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Bag-valve-mask, Mask sealing, Ventilation, Tidal volume
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