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분야
의약학 > 외과학
저자
문재식 ( Jai Sik Moon ) , 오제혁 ( Je Hyeok Oh ) , 김찬웅 ( Chan Woong Kim ) , 김성은 ( Sung Eun Kim ) , 이상진 ( Sang Jin Lee )
발행기관
대한응급의학회
간행물정보
대한응급의학회지 2012년, 제23권 제4호, 464~469페이지(총6페이지)
파일형식
18402480.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    Purpose: The 2010 guidelines for cardiopulmonary resuscitation recommend a ventilation rate of 8 to 10/min for patients with an advanced airway; however, hyperventilation occurs in most cases. This study was conducted as an attempt to determine the effects of feedback under audio tone guidance on performance of positive-pressure ventilation using a bag-valve device and to apply this technique in clinical practice in order to reduce hyperventilation. Methods: A total of 36 seniors at our medical school participated in the study. After receiving instruction in performance of positive-pressure ventilation using a bag-valve device, they performed ventilation using a cardiac arrest model with an advanced airway (Test 1). After they took Test 1 without any feedback, they were randomly assigned to the feedback group (Group A) and the control group (Group B) and took Test 2. In Group A, a high-pitched sound was delivered every 7 s for guidance of ventilation. Results: In Group A, ventilation rate approximated feedback rate, whereas, in Group B, it showed a significant decrease, from 8.3±2.0 to 7.7±2.0/min (p<0.01). The mean ventilation volume did not differ between pre- and post-feedback. The mean inspiration time showed a decrease in both groups. However, no significant difference in mean inspiration time was observed between the two groups. Conclusion: Audio tone guidance can control the ventilation rate accurately without any significant change in ventilation volume and inspiration time.
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