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Monitor feedback versus instructor feedback for post-pandemic basic life support training: a randomized controlled
Shusei Yoshimine1, Kaoru Yamashita2, Yurina Higa1
1Department of Dental Anesthesiology, Field of Oral and Maxillofacial Rehabilitation, Advanced Therapeutics Course, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan.
Background:
Dentists must provide basic life support (BLS) until the arrival of emergency services. Improving educational quality and expanding training opportunities in dental schools can enhance patient survival rates. Traditionally, primary life support training for dental students was conducted in person; however, in-person practice has become challenging during the recent coronavirus disease (COVID-19) pandemic caused by the novel coronavirus. Our objective was to examine how monitor feedback from a cardiopulmonary resuscitation (CPR) simulator and monitoring equipment, versus instructor feedback, affects the quality of BLS training for dental students, and to evaluate effective self-study methods during the pandemic.
Methods:
All participants (n = 40) underwent a pretraining test to assess their baseline technical skills in providing CPR. The students were then randomly divided into the following two groups: monitor feedback and instructor feedback. After the training, a post-test was administered using the same method as that used for the pretest. We statistically analyzed changes in chest compression (CC) depth, CC rate, CC fraction, and tidal volume before and after training in the two groups.
Results:
The analysis included 34 participants (17 per group) after excluding those lost to attrition. In the monitor feedback group, compared with the pretest, the post-test revealed a significantly improved CC depth. Meanwhile, the CC rate improved significantly in the instructor feedback group. Regarding CC depth, monitor feedback led to improved compression depth compared to instructor feedback. Conversely, instructor feedback on the CC rate led to superior results compared to monitor feedback.
Conclusions:
Training programs should provide monitor feedback for CC depth and instructor feedback on the CC rate to establish more effective self-study training methods. Different feedback types influence specific aspects of CPR and that further validation is required.
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Assessment of Ventilation II: Respiratory Depth and Rhythm
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:

