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J Probl Based Learn > Volume 3(1); 2016 > Article
Journal of Problem-Based Learning 2016;3(1): 23-29.
DOI: https://doi.org/10.24313/jpbl.2016.3.1.23    Published online February 29, 2016.
The effect of rescuers’ body mass index on chest compression performance during simulation training in Hong Kong
Annemarie Hor Wan Cheung1, Vico Chung Lim Chiang2, Esther Suk Bing Mok3
1MNurs, RN Lecturer, School of Nursing, Caritas Medical Centre, Hong Kong.
2PhD, RN, FHKAN Assistant Professor, School of Nursing, The Hong Kong Polytechnic University, Hong Kong
3PhD, RN, FHKAN Assistant Professor, School of Nursing, The Hong Kong Polytechnic University, Hong Kong
Correspondence  Vico Chung Lim Chiang ,Tel: 61-2-4349-4535, Fax: 61-2-4349-4538, Email: vico.chiang@polyu.edu.hk
© Copyright 2016 International Society for Problem-Based Learning
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Background
High quality cardiopulmonary resuscitation (CPR) is crucial in out-of-hospital or in-hospital cardiac arrests, but the quality of chest compressions varies in different rescuers. Body mass index (BMI) had an effect on chest compression performance, especially the compression depth.
Objectives
To evaluate the effect of BMI on chest compression performance through simulation training among student nurses in Hong Kong.
Methods
A longitudinal observational study with repeated measures of an equivalent group of 99 student nurses was performed, with the pre-test performed immediately before the adult basic life support provider course, followed by an immediate post-test, and a retention-test four weeks later. Chest compression performance was assessed and evaluated between the three consecutive simulated skills tests.
Results
Body mass index was found to have significant effects on the overall mean chest compression depth that the overweight participants compressed better than other BMI groups for the three time points of evaluation. However, being overweight did not warrant sufficient chest compression depth, nor complete chest recoil.
Conclusions
The higher the BMI was, the deeper the chest compressions were. However, with the higher the BMI, higher incidence of incomplete chest recoil was noted. Despite the above, BMI had no clear effect on other CPR quality. Most participants had difficulty in achieving the recommended compression depth even after training. Simulation training of CPR for high quality chest compression should continue to focus on the practice of chest compression depth and complete chest recoil.
Keywords: Cardiopulmonary resuscitation, Body mass index, Simulation training
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